Display device, display control method, and program

Abstract

To provide a display unit, a method for controlling display, and a program that can reduce the risk that food and drink including a specific allergen is provided to a person having an allergy, can be beneficial to both a provider of food and drink and a consumer of food and drink, and can reduce the risk that food and drink including a specific allergen is provided to a person having an allergy.SOLUTION: In a system, a display unit 10 comprises: a display 14; and at least one processor 12 for controlling the display. The at least one processor controls display of the display based on information on an allergy of a user of a food and drink providing service.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to a display device, a display control method, and a program. [Background technology]

[0002] If a person with a food allergy (hereinafter referred to as "allergy sufferer") ingests food or drink containing an allergen, the immune system may overreact, causing a variety of physical symptoms. For allergy sufferers, whether or not a food or drink contains a specific allergen is not simply a matter of taste, but can also be a serious issue that could pose serious health risks. For this reason, it is important for food and drink providers to avoid providing food and drink containing allergens to allergy sufferers.

[0003] There are proposals that can be used in such situations. For example, Patent Document 1 discloses a method for using a computer to compare allergen information of dishes in multiple menus with allergen information of multiple customers. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 2019-46232 Summary of the Invention [Problem to be solved by the invention]

[0005] Reducing the risk of providing food or beverages containing specific allergens to allergy sufferers can be beneficial for both food and beverage providers and food and beverage consumers.

[0006] An object of the present disclosure is to provide a display device, a display control method, and a program that can reduce the risk of food and drink containing specific allergens being provided to people with allergies. [Means for solving the problem]

[0007] The display device according to one embodiment includes: A display unit; at least one processor for controlling the display; Equipped with. The at least one processor may include: report and a two-dimensional or one-dimensional code based on the identifier of the table used by the user. The first image contains , displayed on the display unit Control it so that . The allergy information includes the level of the user's allergies. When displaying information indicating food and drink on the display unit, the at least one processor displays the information indicating the food and drink as an image different from the first image in a manner different from that of the first image depending on the input level of allergy.

[0008] In one embodiment, the method comprises: The method includes a step of controlling the display on the display unit of the display device. In the above step, the allergy information of the user of the food and beverage provision service is report and a two-dimensional or one-dimensional code based on the identifier of the table used by the user. The first image contains , displayed on the display unit Control it so that . The allergy information includes the level of the user's allergies. In the step, when the information indicating the food or drink is displayed on the display unit, the information indicating the food or drink is displayed as an image different from the first image in a manner that differs depending on the input of the level of allergy.

[0009] A program according to an embodiment includes: On the computer, A step of controlling the display on the display unit of the display device is executed. In the above step, the allergy information of the user of the food and beverage provision service is report and a two-dimensional or one-dimensional code based on the identifier of the table used by the user. The first image contains , displayed on the display unit Control it so that . The allergy information includes the level of the user's allergy. In the step, when the information indicating the food or drink is displayed on the display unit, the information indicating the food or drink is displayed as an image different from the first image in a manner that differs depending on the input of the level of allergy. [Effects of the Invention]

[0010] According to one embodiment, it is possible to provide a display device, a display control method, and a program that can reduce the risk of food and drink containing a specific allergen being provided to an allergy sufferer. [Brief explanation of the drawings]

[0011] [Figure 1] 1 is a schematic configuration diagram of a system according to an embodiment. [Figure 2] FIG. 1 is a functional block diagram illustrating a schematic configuration of a display device according to an embodiment. [Figure 3] FIG. 10 is a functional block diagram illustrating a schematic configuration of another electronic device according to an embodiment. [Figure 4] 10 is a flowchart illustrating an operation of a display device according to an embodiment. [Figure 5] FIG. 2 is a sequence diagram illustrating the operation of a system according to an embodiment. [Figure 6] 10 is a flowchart illustrating an operation of a display device according to an embodiment. [Figure 7A] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 7B] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 7C] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 8] 10 is a flowchart illustrating an operation of a display device according to an embodiment. [Figure 9] 10 is a flowchart illustrating an operation of a display device according to an embodiment. [Figure 10A] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 10B] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 11A] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 11B] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 12] 10 is a flowchart illustrating an operation of a display device according to an embodiment. [Figure 13A] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. [Figure 13B] FIG. 2 is a diagram illustrating an example of a display on a display unit of a display device according to an embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0012] In the present disclosure, a "display device" may be any device having a display unit, such as a dedicated terminal, a tablet, or a smartphone, as described below. For example, a "display device" may be a dedicated display device having a display unit, as described below. In addition, a "display device" in the present disclosure may be a device or apparatus that is powered by electricity. In addition, a "display device" in the present disclosure may be configured to be able to receive information from other electronic devices as needed. In addition, a "display device" in the present disclosure may be configured to be able to transmit information to other electronic devices as needed. Here, the "other electronic devices" may be any device, such as a server, a dedicated terminal, a tablet, or a smartphone. In addition, a "other electronic device" in the present disclosure may be a device or apparatus that is powered by electricity.

[0013] Furthermore, the "display device" in this disclosure may be used by staff engaged in the business of serving food and beverages, such as in a restaurant. Hereinafter, a business including staff engaged in the business of serving food and beverages will also be referred to simply as a "business." Staff engaged in the business of serving food and beverages may be hall staff such as waiters / waitresses, or staff such as sommeliers or garcons. Furthermore, staff engaged in the business of serving food and beverages may be staff such as chefs, cooks, or bartenders. Furthermore, the "display device" in this disclosure is not limited to one used by staff engaged in the business of serving food and beverages. For example, the "display device" in this disclosure may be used by a person who receives food and beverages from staff engaged in the business of serving food and beverages (e.g., a user of the business). Hereinafter, a person who receives food and beverages from staff engaged in the business of serving food and beverages will also be referred to simply as a "user." Furthermore, the above-mentioned "other electronic devices" may also be used by staff engaged in the business of serving food and beverages, such as in a restaurant. Furthermore, the above-mentioned "other electronic devices" may also be provided for use by a person (for example, a user) who receives food and drink from a staff member engaged in the business of providing food and drink.

[0014] Furthermore, in the present disclosure, "food and beverage" may include at least one of food (food) and beverage (drink). Furthermore, in the present disclosure, a "food and beverage provision service" may, for example, refer to a service provided by a business that provides food and beverage. Specifically, a "food and beverage provision service" may refer to the operations of, for example, an eatery, restaurant, or hotel. Furthermore, a "food and beverage provision service" may include, for example, a food stall, a food court, or a bar. Furthermore, a "food and beverage provision service" may, for example, include services provided by a business that directly provides food and beverage. Specifically, a "food and beverage provision service" may include, for example, services provided by a food and beverage manufacturer or a food and beverage delivery company. Furthermore, in the present disclosure, a "user" may refer to a user of the above-mentioned food and beverage provision service, i.e., a person (e.g., a user) who receives food and beverage in the above-mentioned food and beverage provision service.

[0015] The "display device" according to the present disclosure can be used, for example, in a service that provides food and beverages that are suitable for allergy sufferers. Here, as described above, "allergy sufferers" may refer to people who have food allergies. Furthermore, people who have food allergies may refer to humans, but may also include animals such as pets or livestock. Furthermore, in this disclosure, "food allergy" may be referred to as "allergy" as appropriate.

[0016] A system according to an embodiment will be described below with reference to the drawings.

[0017] FIG. 1 is a diagram illustrating the configuration of a system according to an embodiment. As illustrated in FIG. 1, the system 1 according to an embodiment may include a display device 10 and other electronic devices 100. As illustrated in FIG. 1, the system 1 includes display devices 10A, 10B, and 10C as the display devices 10. In this disclosure, when multiple display devices such as the display devices 10A, 10B, and 10C are not particularly distinguished from one another, they may be simply referred to as "display devices 10." The system 1 illustrated in FIG. 1 includes three display devices 10. However, the system 1 according to an embodiment may include any number of display devices 10, including at least one. That is, the system 1 according to an embodiment may include only one display device 10, or may include more than three display devices 10. The system 1 illustrated in FIG. 1 also includes one other electronic device 100. The system 1 according to an embodiment may also include multiple other electronic devices 100. Furthermore, the system 1 according to one embodiment may not include the other electronic devices 100 if the display device 10 is independently controllable. As shown in Fig. 1, the display device 10 and the other electronic devices 100 may be connected via a network N in a wired or wireless manner. In Fig. 1, the manner in which each element can be connected in a wired or wireless manner is indicated by dashed lines.

[0018] 1 is configured as a wired network, a wireless network, or any combination of a wired network and a wireless network. The network N may be any network, such as the Internet or an intranet, that allows communication between display devices 10 or between the display device 10 and other devices, such as other electronic devices 100.

[0019] Next, the configurations of the display device 10 and the other electronic device 100 shown in FIG. 1 will be described in more detail.

[0020] FIG. 2 is a functional block diagram showing a schematic configuration of the display device 10 according to an embodiment.

[0021] The display device 10 according to one embodiment may be a device provided for a user or a device provided for a vendor. The display device 10 may be, for example, a display terminal placed on a table used by a user, on which a food and beverage menu or the like is displayed. The display device 10 may also be, for example, a terminal through which a user can input a food and beverage order. The display device 10 may also be, for example, a terminal designed specifically for a user, or a terminal such as a smartphone or tablet carried by a user. The display device 10 may also be, for example, a display terminal carried by a wait staff member at a restaurant, or the like, for a vendor. The display device 10 may also be, for example, a terminal through which a wait staff member at a restaurant can input a customer's order. The display device 10 may also be, for example, a terminal designed specifically for a user, or a terminal such as a smartphone or tablet carried by a wait staff member at a restaurant, or the like, for a vendor. Furthermore, the display device 10 may be a device for business use, such as a display terminal for viewing by kitchen staff of a restaurant. The display device 10 according to an embodiment can be used in a variety of ways that can be viewed by restaurant staff when providing food and drink to customers. For example, the display device 10 according to an embodiment may be based on digital signage technology.

[0022] 2, the display device 10 according to one embodiment includes a processor 12, a display unit 14, a storage unit 16, a communication unit 18, and an operation unit 20. The display device 10 according to one embodiment may not include some of the functional units shown in FIG. 2, or may include functional units other than those shown in FIG. 2.

[0023] The processor 12 executes various functions for controlling and / or managing the display device 10. The processor 12 may include at least one processor, such as a central processing unit (CPU), to provide control and processing power for executing the various functions. The processor 12 may be implemented as a single processor, several processors, or individual processors. Here, the "processor" may be implemented as a single integrated circuit. An integrated circuit is also referred to as an IC (Integrated Circuit). The "processor" may also be implemented as multiple integrated circuits and discrete circuits connected to each other. The "processor" may also be implemented based on various other known technologies. In one embodiment, the processor 12 may be configured as, for example, a CPU and a program executed by the CPU. The program executed by the processor 12 and the results of the processing executed by the processor 12 may be stored in the memory unit 16. The results of the processing executed by the processor 12 may be displayed on the display unit 14. The operation of the processor 12 of the display device 10 according to one embodiment will be described further below.

[0024] In one embodiment, the processor 12 may have a function for measuring time, such as a timer function. The processor 12 may have a function for starting to measure time based on a predetermined trigger. The processor 12 may also have a function for measuring a predetermined time. Furthermore, the processor 12 may have a function for notifying, for example, another functional unit, that the predetermined time has elapsed.

[0025] The display unit 14 may be any display device, such as a liquid crystal display (LCD), an organic electroluminescence (EL) display (organic electroluminescence) panel, or an inorganic electroluminescence (EL) display. The display unit 14 may display various information, such as characters, figures, or symbols. The display unit 14 may display, for example, a menu of food and beverages provided by a business such as a restaurant. The display unit 14 may also display various information, such as information about food and beverages provided by a business such as a restaurant, or information associated with the food and beverages. The information displayed on the display unit 14 may be directed to the business staff or to the user. The display unit 14 may also display various GUI objects, such as a pointer, and icon images to prompt the user to perform operations. Various data required for display on the display unit 14 may be supplied from, for example, the processor 12 or the memory unit 16. The display unit 14 may also include a backlight, as appropriate.

[0026] Furthermore, the display device 10 according to an embodiment may include, instead of the display unit 14 or together with the display unit 14, a speaker or the like that conveys various pieces of information by voice to the user operating the display device 10.

[0027] In one embodiment, the display unit 14 may display, for example, the results of processing executed by the processor 12. The display unit 14 may also display, for example, characters or images stored in the memory unit 16. The display unit 14 may also display, for example, characters or images based on data received via the communication unit 18. The display unit 14 may also display, for example, information input from the operation unit 20.

[0028] The storage unit 16 stores various pieces of information acquired from the processor 12, the communication unit 18, and the like. In one embodiment, the storage unit 16 may store information input by a user or the like. The storage unit 16 also stores programs (e.g., application software) executed by the processor 12. The storage unit 16 also stores various pieces of data, such as calculation results by the processor 12. The storage unit 16 may also include a work memory or the like used when the processor 12 operates. The storage unit 16 may be configured, for example, by a semiconductor memory or a magnetic disk, but is not limited to these, and may be any storage device. For example, the storage unit 16 may be a storage medium such as a memory card inserted into the display device 10 according to one embodiment. The storage unit 16 may also be an internal memory of a CPU used as the processor 12.

[0029] The communication unit 18 can realize various functions including wireless communication. The communication unit 18 may realize communication using various communication methods, such as LTE (Long Term Evolution), 4G, or 5G. The communication unit 18 may include, for example, a modem whose communication method is standardized by ITU-T (International Telecommunication Union Telecommunication Standardization Sector). The communication unit 18 may also realize wireless communication using various methods, such as Wi-Fi or Bluetooth (registered trademark). The communication unit 18 may wirelessly communicate with a communication unit of an external device, such as an external server or a cloud server, over a network, for example, via an antenna. In one embodiment, the communication unit 18 may receive various information from an external database, such as an external server or a cloud server. The information received by the communication unit 18 may be supplied to, for example, the processor 12 and / or the storage unit 16. The information transmitted from the communication unit 18 may be supplied from, for example, the processor 12 and / or the storage unit 16. The information transmitted from the communication unit 18 may be transmitted to, for example, another electronic device 100 or another terminal.

[0030] The various types of information transmitted and received by the communication unit 18 may be stored in, for example, the storage unit 16. The communication unit 18 may be configured to include, for example, an antenna for transmitting and receiving radio waves and an appropriate RF unit. The communication unit 18 may be configured using known technology for performing wireless communication. The communication unit 18 may also be an interface for wired communication between the display device 10 and other devices.

[0031] In one embodiment, the communication unit 18 of the display device 10 shown in Fig. 2 may communicate with a communication unit 180 (Fig. 3) of another electronic device 100 via wired or wireless communication. Furthermore, the communication unit 18 may also communicate with the communication unit 18 of, for example, another display device 10 via wired or wireless communication. Thus, in one embodiment, the communication unit 18 may communicate with another device, such as another electronic device 100. Furthermore, the communication unit 18 may also communicate wirelessly with a communication unit of another device, such as an information processing device functioning as an external server.

[0032] The operation unit 20 detects an operation by a user, such as a staff member of a company or a user, as an input. The operation unit 20 may be configured with an input device, such as a keyboard. The operation unit 20 may be any input device used by a user to perform an operation, such as keys (physical keys) like a keyboard, buttons (physical buttons), switches (mechanical switches), and / or pointing devices such as a mouse or trackball. In one embodiment, the operation unit 20 may be any known input device. An operation signal (input signal) detected by the operation unit 20 may be supplied to, for example, the processor 12 and / or the memory unit 16.

[0033] The operation unit 20 may also be an input device such as a touch panel or a touch sensor. In this case, the operation unit 20 may employ various types of touch panels, such as a resistive type, a capacitive type, or an optical type.

[0034] In one embodiment, the display unit 14 may be configured together with the operation unit 20 as, for example, a touchscreen display. In this case, the touchscreen display may include, as the display unit 14, a display device such as a liquid crystal display or an organic EL display. In addition, in this case, the touchscreen display may include, as the operation unit 20, a touch sensor or a touch panel that detects whether or not a user has touched the object and the position of the touch. In such a configuration, for example, keys such as a numeric keypad or icons can be displayed on the display unit 14 as objects, and the operation of the operator (user) touching the object can be detected by the operation unit 20.

[0035] 1, the display device 10 is connected to other electronic devices 100 via a network N. However, the display device 10 may be connected to other electronic devices 100 without via the network N. Furthermore, the display device 10 may be connected to at least one of the other display devices 10, for example, via a wired or wireless connection, regardless of whether or not it is via the network N.

[0036] The display device 10 according to an embodiment may be a dedicated terminal adapted to the system 1, or may be, for example, a conventional smartphone, mobile phone, or tablet terminal. For example, when a conventional smartphone, mobile phone, or tablet terminal is used as the display device 10, an application used in the system 1 may be installed on the display device 10. The display device 10 may also be implemented on an internet browser. In this case, the display device 10 is not limited to a smartphone, mobile phone, or tablet terminal, but may also be a notebook PC, desktop PC, or the like.

[0037] FIG. 3 is a functional block diagram schematically showing the configuration of another electronic device 100 according to an embodiment.

[0038] The other electronic device 100 according to an embodiment may be, for example, a device used by a business. The other electronic device 100 may be, for example, a server operated by a business that provides food and beverages. The other electronic device 100 may be, for example, a server operated by a business contracted by the business that provides food and beverages. Hereinafter, servers operated by a business that provides food and beverages and servers operated by a business contracted by the business that provides food and beverages may be collectively referred to as "servers used by a restaurant." The other electronic device 100 may be, for example, a display terminal carried by a wait staff member at a restaurant, for example, as a device used by a business. The other electronic device 100 may be, for example, a terminal through which a wait staff member at a restaurant can input customer orders, for example, as a device used by a business. The other electronic device 100 may be, for example, a dedicated terminal, or may be a terminal such as a smartphone or tablet carried by a wait staff member at a restaurant, for example. Furthermore, the other electronic device 100 may be a device for use by a business, for example, a display terminal that can be visually recognized by kitchen staff of a restaurant. The other electronic device 100 according to an embodiment can be assumed to be various devices that can be visually recognized by business staff when providing food and drink to users.

[0039] 3, another electronic device 100 according to an embodiment includes a processor 120, a display unit 140, a storage unit 160, a communication unit 180, an operation unit 200, and a reading unit 220. Another electronic device 100 according to an embodiment may not include some of the functional units shown in FIG. 3, or may include functional units other than those shown in FIG. 3.

[0040] Of the functional units shown in Fig. 3, the processor 120, the display unit 140, the storage unit 160, the communication unit 180, and the operation unit 200 may be configured based on the same concept as the processor 12, the display unit 14, the storage unit 16, the communication unit 18, and the operation unit 20 shown in Fig. 2, respectively. Furthermore, of the functional units shown in Fig. 3, the processor 120, the display unit 140, the storage unit 160, the communication unit 180, and the operation unit 200 may be configured based on other concepts as appropriate, as necessary. A detailed description of these functional units will be omitted.

[0041] The reading unit 220 may be configured to include, for example, a barcode reader and / or a camera for reading displayed or printed predetermined identification information. In this case, the camera may be configured to include various imaging devices, such as a CCD image sensor. In one embodiment, the reading unit 220 may be configured to be able to read, for example, a one-dimensional barcode or a two-dimensional code such as a QR code (registered trademark) displayed on the display unit 14 of the display device 10 shown in FIGS. 1 and 2. The reading unit 220 may also be configured to be able to read, for example, a two-dimensional code such as a QR code (registered trademark) printed on a coupon or receipt.

[0042] In one embodiment, the identification image read by the reading unit 220 is not limited to a one-dimensional code such as a barcode or a two-dimensional code such as a QR code (registered trademark), and may be any identification image. Also, in one embodiment, the identification information read by the reading unit 220 is not limited to image information, and may be any information, such as a passcode composed of characters or character strings. Furthermore, the reading unit 220 is not limited to a functional unit such as a barcode reader and / or a camera, and may be, for example, an RFID reader that reads identification information from an RF tag. The information read by the reading unit 220 may be supplied to, for example, the processor 12 and / or the memory unit 16.

[0043] The other electronic device 100 according to an embodiment may have a hardware configuration similar to that of a server in a general client-server model. The other electronic device 100 according to an embodiment may also be a cloud server that provides cloud services. In the present disclosure, a "server" may refer to a computer that provides a service. That is, a "server" may refer to a computer and / or software that performs the function of providing information and / or processing results in response to a request from a client, such as a server in a client-server model.

[0044] Next, the operation of the display device 10 according to the embodiment will be described.

[0045] Fig. 4 is a flowchart illustrating the basic operation of the display device 10 according to one embodiment. The operation shown in Fig. 4 may be performed, for example, in a restaurant where the system 1 shown in Fig. 1 is installed. In the restaurant, a display device 10 is placed on each of a number of tables. In this case, the other electronic device 100 may be an information processing device that controls and manages the multiple display devices 10 in the restaurant.

[0046] For example, when a customer who visits a restaurant has an allergy, the display device 10 according to one embodiment displays that fact on the display unit 14. Furthermore, the display device 10 according to one embodiment may output a display based on information about the allergy of the allergy customer to the display unit 14.

[0047] When the operation shown in FIG. 4 starts, the processor 12 of the display device 10 determines whether or not allergy information of the user has been acquired (step S1). In step S1, the allergy information of the user may be acquired, for example, from another electronic device 100. Here, the other electronic device 100 may be, for example, a server used by a restaurant or an electronic device such as a smartphone carried by the user. In addition, in step S1, the allergy information of the user may be acquired from information stored in the storage unit 16 of the display device 10, or may be acquired from information input via the operation unit 20 of the display device 10. The allergy information will be described further below. If the allergy information has been acquired in step S1, the processor 12 controls the display of the display unit 14 based on the acquired allergy information (step S2). Specific display control of the display unit 14 in step S2 will be described further below.

[0048] On the other hand, if allergy information has not been acquired in step S1, the processor 12 may skip step S2 and end the operation shown in Fig. 4. After the operation shown in Fig. 4 is completed, the processor 12 may start the operation shown in Fig. 4 again. In this case, the processor 12 may repeat the operation shown in Fig. 4 periodically or irregularly. Furthermore, the processor 12 may repeat the operation shown in Fig. 4 until allergy information is acquired in step S1.

[0049] The "allergy information" determined to have been acquired in step S1 may be, for example, information about the allergies of a specific user who uses a certain food and beverage service (hereinafter also referred to as "allergy information of a specific user"). The allergy information of a specific user may be, for example, information about a specific allergen (an antigen that causes an allergy). Specifically, the allergy information of a specific user may be, for example, information indicating a selection from among the seven specific ingredients (egg, milk, wheat, buckwheat, peanuts, shrimp, and crab) that are required to be labeled under the Food Labeling Standards of the Consumer Affairs Agency of Japan. For example, if the allergy information includes "buckwheat" and "shrimp," it is understood that the specific user has (some kind of) allergy to "buckwheat" and "shrimp." Furthermore, the allergy information of a specific user may be, for example, information indicating a selection from among items equivalent to specific ingredients under the Food Labeling Standards of the Consumer Affairs Agency of Japan (e.g., the 21 items recommended for labeling).

[0050] The allergy information of a particular user tends not to change significantly in the short term. Therefore, for example, if a particular user enters allergy information when making an online reservation at a restaurant, the allergy information may be stored in another electronic device 100. For example, if a particular user visits a restaurant without making a reservation, the allergy information may be directly input by the user into the display device 10. Furthermore, for example, if a particular user visits a restaurant without making a reservation, the allergy information input by the user may be stored in another electronic device 100.

[0051] As a simple example, the allergy information of a specific user may be information that indicates only whether or not the user has any allergies. For example, if the allergy information of a specific user indicates that the user has allergies, the specific user may be determined to have (or be aware of) an allergy. Also, for example, if the allergy information of a specific user does not indicate that the user has allergies, the specific user may be determined to not have (or be aware of) an allergy. Also, for example, if the allergy information of a specific user indicates that the user does not have allergies, the specific user may be determined to not have (or be aware of) an allergy.

[0052] Furthermore, the allergy information of a specific user may include the type of allergy of the user. The type of allergy of a user may be, for example, the type of allergen. For example, as in the above example, if the allergy information of a specific user includes "buckwheat" and "shrimp" as the types of allergies, the specific user may be determined to be allergic to "buckwheat" and "shrimp."

[0053] The allergy information of a specific user may also include the level of the user's allergy. The level of the user's allergy may be, for example, an allergy class (score) such as an IgE antibody titer. For example, as in the above example, if the allergy information of a specific user includes "buckwheat" and "shrimp" as allergy types, the allergy information may also include information indicating the level of allergy (class score) for each type.

[0054] The timing at which the operation shown in Fig. 4 starts may vary. For example, the timing at which the operation shown in Fig. 4 starts may be the time when a specific user enters a restaurant and sits down at a table in the restaurant. The timing at which the operation shown in Fig. 4 starts may also be the time when a specific user places an order for food and drink after sitting down at a table in the restaurant. The timing at which the operation shown in Fig. 4 starts may also be any time between when a specific user places an order for food and drink and when the ordered food and drink are served.

[0055] For example, when the display device 10 acquires allergy information of a specific user before the ordered food or drink is served, it displays a message based on the allergy information on the display unit 14. For example, if the user inputs that they have an allergy, the display unit 14 of the display device 10 will display that they have an allergy. Also, for example, if the user inputs "buckwheat" and "shrimp" as the type of allergy, the display unit 14 of the display device 10 will display that they have an allergy to "buckwheat" and "shrimp." Furthermore, for example, if the user inputs the level of their allergy, the display unit 14 of the display device 10 will also display the level of their allergy.

[0056] Furthermore, the above-described user allergy information is not limited to information about one user, but may be information about multiple users. For example, assume that one display device 10 is placed at a table and the table is used by three users. The display device 10 placed at the table acquires allergy information indicating "allergies" from two users and allergy information indicating "allergies" from one user. In this case, the display device 10 may display "Allergies: 2 people" and / or "Allergies: 1 person" on the display unit 14. As in the above example, the display device 10 may also display the type and / or severity of allergies for each user on the display unit 14. Furthermore, the display device 10 may display the position of the display on the display unit 14 in correspondence with the user's actual position at the table. For example, the display device 10 may display the position of the display on the display unit 14 in a manner that resembles the user's actual position at the table.

[0057] Thus, the display device 10 according to one embodiment may include a display unit 14 and at least one processor 12 for controlling the display unit 14. Here, the at least one processor 12 controls the display on the display unit 14 based on allergy information of a user of the food and beverage provision service.

[0058] According to one embodiment, the staff member delivering the ordered food or drink to the customer can easily check at a glance the display unit 14 of the display device 10 placed on the customer's table whether the food or drink they are about to serve is safe for that customer. Therefore, the display device 10 can reduce the risk of an allergy sufferer being served food or drink containing a specific allergen.

[0059] A more specific embodiment of the display device 10 described above will be further described below.

[0060] (First embodiment) Some believe that allergy information of allergy sufferers is included in "information about individuals" under the Act on the Protection of Personal Information of Japan. For this reason, from the perspective of privacy protection, it is expected that it would not be desirable to keep allergy information visible to everyone at all times. The display device 10 according to the first embodiment controls the display / hide of allergy information as needed. The display device 10 according to the first embodiment will be further described below.

[0061] 5 is a sequence diagram illustrating the operations of the display device 10 and the other electronic devices 100 included in the system 1 according to the first embodiment. FIG. 5 particularly focuses on the interaction between the display device 10 and the other electronic devices 100.

[0062] The display device 10 according to the first embodiment may be, for example, a display associated with a table used by a customer of a food and beverage service, or an order terminal (e.g., with a touch panel) equipped with such a display. That is, the display device 10 according to the present embodiment may be primarily used by customers of the food and beverage service and may be recognizable by staff of the food and beverage service. The display device 10 according to the present embodiment may also be an order terminal used by a waiter, or a terminal used by a waiter. That is, the display device 10 according to the present embodiment may be primarily used by staff of the food and beverage service and may be recognizable by staff of the food and beverage service. The display device 10 according to the present embodiment may be any device used by staff of the food and beverage service when interacting with customers of the food and beverage service.

[0063] Furthermore, the display device 10 according to the first embodiment may be, for example, a server used by a restaurant, or may be an electronic device such as a smartphone carried by a user.

[0064] In the following description, an operation performed by the "display device 10" may mean that the processor 12 of the display device 10 controls and operates a related functional unit. Similarly, an operation performed by the "other electronic device 100" may mean that the processor 120 of the other electronic device 100 controls and operates a related functional unit.

[0065] 5 starts, the other electronic device 100 has already acquired allergy information of the user at the table where the display device 10 is placed. For example, if a specific user inputs allergy information when making an online reservation for a restaurant, the other electronic device 100 may store the allergy information in the storage unit 160. Furthermore, the other electronic device 100 may store allergy information received from an electronic device such as a smartphone carried by the user via the communication unit 180 or the reading unit 220 in the storage unit 160. Furthermore, for example, if a specific user visits a restaurant without making a reservation, the other electronic device 100 may store allergy information input directly input to the display device 10 by the user in the storage unit 160.

[0066] 5 starts, the other electronic device 100 transmits allergy information to the display device 10 via the communication unit 180 or the like (step S12). Upon receiving the allergy information in step S12, the display device 10 can acquire the allergy information in step S1 of FIG. 4. As shown in FIG. 4, upon acquiring the allergy information (step S1), the display device 10 controls the display on the display unit 14 based on the acquired allergy information (step S2). The process shown in step S2 of FIG. 4 corresponds to the process shown in step S14 of FIG. 5.

[0067] That is, as shown in FIG. 5, the display device 10 acquires allergy information (step S12) and controls the display on the display unit 14 (step S14). For convenience, the image displayed on the display unit 14 in step S14 is also referred to as the first image. That is, the first image may be an image indicating the user's allergy, as shown in step S2 of FIG. 4. The first image may also include at least one of whether the user has an allergy, the type of allergy, and the severity of the allergy. After step S14, a staff member delivering food or drink to the user can check whether the food or drink they are about to serve is safe for the user by looking at the first image displayed on the display unit 14 of the display device 10 placed on the user's table.

[0068] Next, it is assumed that the other electronic device 100 detects that the food and drink has been provided to the user, that is, that the provision of the food and drink has been completed (step S22). In step S22, the other electronic device 100 may detect that the provision of the food and drink has been completed based on a signal transmitted when the provision of the food and drink has been completed from, for example, a terminal carried by a staff member who delivers the food and drink to the user.

[0069] When it is detected in step S22 that the provision of food and drink has been completed, the other electronic device 100 transmits a signal indicating that the provision of food and drink to the user has been completed to the display device 10 (step S24). Hereinafter, for convenience, the signal indicating that the provision of food and drink to the user has been completed will also be referred to as a first signal.

[0070] Upon receiving the first signal transmitted in step S24, the display device 10 controls the display of the display unit 14 so that the first image displayed on the display unit 14 is hidden (step S26). Immediately before step S26, the first information indicating the user's allergy is displayed on the display unit 14. In step S26, the display device 10 may erase the first image displayed on the display unit 14, or may display another image superimposed on the first image displayed on the display unit 14. In either case, the display device 10 may control the display of the display unit 14 in step S26 so that the first information indicating the user's allergy becomes unrecognizable.

[0071] In this way, the at least one processor 12 may display a first image indicating the allergy of the user of the food and beverage provision service on the display unit 14 based on the allergy information of the user. In this case, after displaying the first image on the display unit 14, the at least one processor 12 may also hide the first image on the display unit 14 when it detects a first signal indicating that the provision of food and beverage to the user has been completed.

[0072] According to the first embodiment, the staff member delivering the ordered food and drink to the user can check whether the food and drink is safe for the user by looking at the display unit 14 of the display device 10 placed on the user's table. Furthermore, according to the first embodiment, after the food and drink has been delivered to the user, allergy information can be prevented from being displayed on the display device 10 placed on the user's table. Therefore, the display device 10 according to the first embodiment can provide safe food and drink to the user while protecting the user's privacy.

[0073] Next, it is assumed that the other electronic device 100 detects an additional order for food or drink to be provided to the user (step S32). In step S32, the other electronic device 100 may detect the additional order for food or drink by the user based on an additional order input from a terminal carried by a staff member delivering food or drink to the user or another wait staff member, for example.

[0074] When the additional order is detected in step S32, the other electronic device 100 transmits a signal indicating the additional order of food and drink to be provided to the user to the display device 10 (step S34). Hereinafter, for convenience, the signal indicating the additional order of food and drink to be provided to the user will also be referred to as a second signal.

[0075] Upon receiving the second signal transmitted in step S34, the display device 10 controls the display of the display unit 14 so that the first image is displayed on the display unit 14 (step S36). Immediately before step S36, the first information indicating the user's allergy is hidden on the display unit 14. In step S36, the display device 10 may re-display the first image that was displayed on the display unit 14, or may newly display a first image that is different from the first image that was displayed on the display unit 14. In either case, the display device 10 may control the display of the display unit 14 in step S36 so that the first information indicating the user's allergy becomes recognizable again.

[0076] In this way, at least one processor 12 may detect a first signal and then display the first image on the display unit 14 when it detects a second signal indicating an additional order for food or beverage to be provided to a user of the food and beverage service.

[0077] According to the first embodiment, the staff member who delivers the additionally ordered food and drink to the user can check again whether the food and drink is safe for the user by looking at the display unit 14 of the display device 10 placed on the user's table.

[0078] Next, it is assumed that the other electronic device 100 detects that the payment for the food and beverages provided to the user has been completed (step S42). In step S42, the other electronic device 100 may detect the completion of the payment for the food and beverages provided to the user based on, for example, a payment instruction input from a terminal carried by a staff member delivering the food and beverages to the user or another wait staff member. Also, in step S42, the other electronic device 100 may detect the completion of the payment for the food and beverages provided to the user based on a payment instruction input from the user or another staff member via a display device 10 placed on the user's table. Also, in step S42, the other electronic device 100 may detect the completion of the payment for the food and beverages provided to the user based on, for example, a signal indicating the completion of the payment transmitted from a cash register terminal.

[0079] When the completion of the transaction is detected in step S32, the other electronic device 100 transmits a signal indicating that the transaction for the food and drink provided to the user has been completed to the display device 10 (step S44). Hereinafter, for convenience, the signal indicating that the transaction for the food and drink provided to the user has been completed will also be referred to as a third signal.

[0080] Upon receiving the third signal transmitted in step S44, the display device 10 controls the display of the display unit 14 so that the first image displayed on the display unit 14 is hidden (step S46). The first information indicating the user's allergy may have been displayed on the display unit 14 immediately before step S46. In this case, in step S46, the display device 10 may erase the first image displayed on the display unit 14, or may display another image superimposed on the first image displayed on the display unit 14. In either case, the display device 10 may control the display of the display unit 14 in step S46 so that the first information indicating the user's allergy becomes unrecognizable.

[0081] In this way, at least one processor 12 may display the first image on the display unit 14, and then, upon detecting a third signal indicating that the payment for the food and beverages provided to the user has been completed, hide the first image on the display unit 14.

[0082] According to the first embodiment, after the payment for the food and drink provided to the user is completed, allergy information can be hidden from the display device 10 placed on the user's table. Therefore, the display device 10 according to the first embodiment can provide safe food and drink to the user while protecting the user's privacy.

[0083] Next, it is assumed that the other electronic device 100 detects an additional order for food or drink to be provided to the user (step S52). In step S52, the other electronic device 100 may detect the additional order for food or drink by the user in the same manner as in step S32, for example.

[0084] When the additional order is detected in step S52, the other electronic device 100 transmits a second signal indicating an additional order of food and drink to be provided to the user to the display device 10 (step S54).

[0085] Even when the display device 10 receives the second signal transmitted in step S54, it may control the display of the display unit 14 so that the first image is not displayed on the display unit 14 (step S56). The first information indicating the user's allergy is hidden on the display unit 14 until immediately before step S56. In this case, the display device 10 may maintain the state in which the first image is hidden on the display unit 14 in step S56. Furthermore, if the first information is displayed on the display unit 14 immediately before step S56, the display device 10 may control the display of the display unit 14 so that the first image is not displayed on the display unit 14 in step S56. In either case, the display device 10 may control the display of the display unit 14 in step S56 so that the first information indicating the user's allergy is not recognizable. Meanwhile, depending on the embodiment, when the display device 10 receives the second signal transmitted in step S54, it may control the display of the display unit 14 so that the first image is displayed on the display unit 14 in step S56.

[0086] In this way, after detecting the third signal, the at least one processor 12 may hide the first image on the display unit 14 even if it detects the second signal indicating an additional food or beverage order to be provided to the customer. In other words, after detecting the third signal, the at least one processor 12 may maintain the state of the display unit 14 so that the first image is not displayed even if it detects the second signal. Furthermore, after detecting the third signal, the at least one processor 12 may display at least one of an image and text indicating that the transaction is complete on the display unit 14 when it detects the second signal. Furthermore, after detecting the third signal, the at least one processor 12 may display at least one of an image and text indicating that the first image cannot be displayed on the display unit 14 when it detects the second signal.

[0087] According to the first embodiment, after the payment for the food and drink provided to the user is completed, allergy information can be prevented from being displayed on the display device 10 placed on the user's table, even if an additional order is made. Therefore, the display device 10 according to the first embodiment can provide safe food and drink to the user while protecting the user's privacy.

[0088] In this embodiment, if the other electronic device 100 is, for example, a server, the allergy information may be stored in the other electronic device 100. In this way, the next time the user visits the same restaurant, there is no need to transmit the user's allergy information to the other electronic device 100 again. From the viewpoint of privacy protection, whether or not the user's allergy information is stored in the other electronic device 100 may be determined arbitrarily based on the user's choice.

[0089] (Second embodiment) It is desirable that staff who deliver ordered food and drink to a customer can easily recognize the customer's allergy information when placing the food and drink at the customer's table. As described above, the customer's allergy information may be information indicating whether or not the customer has an allergy, or may be information including the type of allergy and / or the severity of the allergy. The display device 10 according to the second embodiment displays various types of allergy information of the customer in an easily recognizable manner. The display device 10 according to the second embodiment will be further described below.

[0090] FIG. 6 is a flowchart illustrating the operation of the display device 10 according to the second embodiment. The display device 10 according to the second embodiment may be similar to the display device 10 according to the first embodiment. For example, the display device 10 according to the second embodiment may be a display associated with a table used by a customer of a food and beverage service, or an ordering terminal (e.g., with a touch panel) equipped with such a display. The display device 10 according to the second embodiment may also be, for example, an ordering terminal used by a waiter, or a terminal used by a waiter. In other words, the display device 10 according to the present embodiment may be any device used by a staff member of a food and beverage service when interacting with a customer of the food and beverage service.

[0091] When the operation shown in Fig. 6 starts, the processor 12 of the display device 10 determines whether or not allergy information of the user has been acquired (step S1), similar to step S1 shown in Fig. 4. If allergy information has not been acquired in step S1, the processor 12 may end the operation shown in Fig. 6. After the operation shown in Fig. 6 ends, the processor 12 may start the operation shown in Fig. 6 again. In this case, the processor 12 may repeat the operation shown in Fig. 6 periodically or irregularly. Furthermore, the processor 12 may repeat the operation shown in Fig. 6 until allergy information is acquired in step S1.

[0092] When allergy information is acquired in step S1, processor 12 determines whether the acquired allergy information includes the type of allergy (step S61). When it is determined in step S61 that the allergy information does not include the type of allergy, processor 12 controls the display of display unit 14 based on the acquired allergy information (step S2).

[0093] In step S2, the processor 12 may control the display unit 14 to display "Allergy Yes" or "No Allergy." Here, the display of "Allergy Yes" or "No Allergy" on the display unit 14 may be any display recognizable by staff who deliver the ordered food or drink to the user. The display on the display unit 14 is not limited to displaying "Allergy Yes" or "No Allergy" in text. For example, the display unit 14 may indicate "Allergy Yes" or "No Allergy" by displaying or hiding a specific image or the like. Furthermore, for example, the display unit 14 may be configured as a light-emitting element such as a specific LED, and the light-emitting element may be turned on or off to indicate "Allergy Yes" or "No Allergy." After step S2, the processor 12 may end the operation shown in FIG. 6.

[0094] On the other hand, if it is determined in step S61 that the allergy information includes the type of allergy, processor 12 determines whether the allergy information includes the degree of allergy (step S62).If it is determined in step S62 that the allergy information does not include the degree of allergy, processor 12 displays an image corresponding to the type of allergy on display unit 14 (step S63).

[0095] When proceeding to step S63, the user's allergy information includes the type of allergy but does not include the level of the allergy. Therefore, in step S63, processor 12 may control so that an image corresponding to the type of allergy of the user is displayed on display unit 14. For example, processor 12 may display an image indicating the details of the type of allergy of the user on display unit 14. Hereinafter, for convenience, the image indicating the details of the type of allergy of the user is also referred to as a second image.

[0096] FIG. 7A is a diagram illustrating an example of a display on the display unit 14 of the display device 10. For example, assume that a user's allergy information includes the allergy types "shrimp," "egg," and "wheat." That is, a user who visits a certain restaurant enters his or her allergy information including the allergy types "shrimp," "egg," and "wheat." In this case, as shown in FIG. 7A, the processor 12 may control the display unit 14 to display, as second images, an image G2a indicating "shrimp," an image G2b indicating "egg," and an image G2c indicating "wheat." The processor 12 may display these images G2a, G2b, and G2c on the display unit 14 in the same color or in distinctive colors.

[0097] In this manner, in this embodiment, the allergy information may include the type of allergy of the user. In this case, the at least one processor 12 may display a second image corresponding to the type of allergy on the display unit 14.

[0098] According to the second embodiment, the staff member delivering the ordered food and drink to the user can easily recognize the allergy information of the user, including the type of allergy, by looking at the display unit 14 of the display device 10 placed on the user's table. For example, in the example shown in Fig. 7A, the staff member delivering the food and drink to the user can recognize that the user is allergic to shrimp, eggs, and wheat by looking at the display unit 14 of the display device 10 placed on the user's table.

[0099] On the other hand, if it is determined in step S62 shown in FIG. 6 that the allergy information includes the degree of allergy, the processor 12 displays an image indicating the degree of allergy on the display unit 14 (step S64).

[0100] When proceeding to step S64, the user's allergy information is information including the type and severity of the allergy. Therefore, in step S64, processor 12 may control display unit 14 to display an image indicating the severity of the allergy for each type of allergy of the user. For example, processor 12 may display an image indicating the severity of the user's allergy on display unit 14. Hereinafter, the image indicating the severity of the user's allergy will be referred to as a third image for convenience.

[0101] 7B is a diagram showing an example of a display on the display unit 14 of the display device 10. For example, suppose that a certain user's allergy information includes "shrimp," "egg," and "wheat" as the types of allergies. Also, suppose that the user's allergy information includes information indicating that the level of allergy is class 1 for "shrimp," class 2 for "egg," and class 4 for "wheat." In other words, suppose that a user who visits a certain restaurant has entered their allergy information, including the types and levels of allergies, "shrimp" (class 1), "egg" (class 2), and "wheat" (class 4).

[0102] In this case, the processor 12 may control the display unit 14 to display, as the second image, an image G2a indicating "shrimp," an image G2b indicating "egg," and an image G2c indicating "wheat," as shown in FIG. 7B. Furthermore, the processor 12 may control the display unit 14 to display, as the third image, an image G3a indicating an allergy level of "1" to "shrimp." Furthermore, the processor 12 may control the display unit 14 to display, as the third image, an image G3b indicating an allergy level of "2" to "egg." Furthermore, the processor 12 may control the display unit 14 to display, as the third image, an image G3c indicating an allergy level of "4" to "wheat," as shown in FIG. 7B. The processor 12 may display these images G3a, G3b, and G3c on the display unit 14 in the same color, or may display them in different, distinctive colors.

[0103] 7B, when displaying the third images G3a, G3b, and G3c on the display unit 14, the processor 12 may display them in a manner that enables the user to recognize that they correspond to the second images G2a, G2b, and G2c, respectively. For example, the processor 12 may display the third images on the display unit 14 so that they are positioned near the corresponding second images. For example, the processor 12 may display the third images on the display unit 14 so that they partially overlap the corresponding second images.

[0104] Furthermore, as shown in FIG. 7B , when displaying the third images G3a, G3b, and G3c on the display unit 14, the processor 12 may display them in different modes corresponding to the respective levels of allergy. In the example shown in FIG. 7B , the third images G3a, G3b, and G3c are displayed with larger areas as the classes increase. In this manner, the processor 12 may vary the size (area) of the third image displayed on the display unit 14 depending on the level indicated by the third image. In this embodiment, varying the third image in accordance with the level of allergy is not limited to the size (area) of the third image displayed on the display unit 14. For example, in this embodiment, when displaying the third image in different modes corresponding to the level of allergy, the shape of the third image may be different. Also, for example, in this embodiment, when displaying the third image in different modes corresponding to the level of allergy, the display mode, such as the blinking speed of the third image, may be different.

[0105] In this embodiment, the allergy information may include the level of the user's allergy. In this case, the at least one processor 12 may display a third image indicating the level of the allergy on the display unit 14.

[0106] According to the second embodiment, the staff member delivering the ordered food and drink to the user can easily recognize the allergy information of the user, including the type and severity of the allergy, by looking at the display unit 14 of the display device 10 placed on the user's table. For example, in the example shown in Fig. 7B, the staff member delivering the food and drink to the user can recognize that the user is allergic to shrimp, eggs, and wheat, including the severity of the allergy, by looking at the display unit 14 of the display device 10 placed on the user's table.

[0107] On the other hand, in step S64 shown in FIG. 6, the processor 12 may change the display mode on the display unit 14 of the second image corresponding to the type of allergy, instead of displaying the third image indicating the level of allergy.

[0108] 7C is a diagram showing an example of a display on the display unit 14 of the display device 10. FIG. 7C is a diagram showing the same allergy information as shown in FIG. 7B in a different format. Suppose a situation where a user's allergy information includes "shrimp," "egg," and "wheat" as allergy types. Also, suppose a situation where the user's allergy information includes information indicating that the level of allergy is Class 1 for "shrimp," Class 2 for "egg," and Class 4 for "wheat."

[0109] In this case, as shown in FIG. 7C , when displaying an image G2a representing "shrimp," an image G2b representing "egg," and an image G2c representing "wheat" as second images on the display unit 14, the processor 12 may change the display mode according to the level of allergy. In the example shown in FIG. 7C , the second images G2a, G2b, and G2c are displayed with larger areas as the class increases. In this manner, the processor 12 may vary the size (area) of the second image displayed on the display unit 14 according to the level of allergy. In this embodiment, varying the second image according to the level of allergy is not limited to the size (area) of the second image displayed on the display unit 14. For example, in this embodiment, when the second image is displayed in different modes according to the level of allergy, the shape of the second image may be different. Furthermore, in this embodiment, when the second image is displayed in different modes according to the level of allergy, the display mode, such as the blinking speed of the second image, may be different.

[0110] Processor 12 may change the position at which the second images are displayed depending on the level of allergy. For example, in Figures 7B and 7C, images G2a, G2b, and G2c are displayed in this order from left to right on display unit 14, but processor 12 may rearrange and display the second images in order of increasing level of allergy from left to right (specifically, G2c, G2b, and G2a from left to right).

[0111] In the second embodiment, the display device 10 can make various allergy information of the user visually recognizable by displaying on the display unit 14. In another embodiment, the display device 10 may make various allergy information of the user audibly recognizable by outputting sounds or voices instead of or in addition to displaying on the display unit 14.

[0112] In this embodiment, when the allergy information includes the level of allergy, the at least one processor 12 may change the display mode of the second image according to the level of allergy. More specifically, the at least one processor 12 may change at least one of the size, shape, and blinking rate of the second image according to the level of allergy.

[0113] According to the second embodiment, a staff member delivering an ordered food or drink to a user can easily recognize the user's allergy information, including the type and severity of the allergy, by looking at the display unit 14 of the display device 10 placed on the user's table. For example, in the example shown in FIG. 7C , a staff member delivering food or drink to a user can recognize that the user is allergic to shrimp, eggs, and wheat, including the severity of the allergy, by looking at the display unit 14 of the display device 10 placed on the user's table. Therefore, the display device 10 can reduce the risk of providing food or drink containing a specific allergen to an allergy sufferer.

[0114] (Third embodiment) From the viewpoint of protecting privacy, it may be desirable to prevent allergy information from being understood by others. The display device 10 according to the third embodiment displays allergy information on the display unit 14 in a manner that cannot be easily recognized by the general public. The display device 10 according to the third embodiment will be further described below.

[0115] FIG. 8 is a flowchart illustrating the operation of the display device 10 according to the third embodiment. The display device 10 according to the third embodiment may be similar to the display device 10 according to the first or second embodiment. For example, the display device 10 according to the third embodiment may be a display associated with a table used by a customer of a food and beverage service, or an ordering terminal (e.g., with a touch panel) equipped with such a display. The other electronic device 100 that communicates with the display device 10 according to the third embodiment may be, for example, a server used by a restaurant, or various electronic devices such as a smartphone or tablet terminal carried by a customer. The other electronic device 100 that communicates with the display device 10 according to the third embodiment may be, for example, an ordering terminal used by a waiter, or a terminal used by a waiter.

[0116] When the operation shown in Fig. 8 starts, the processor 12 of the display device 10 determines whether or not allergy information of the user has been acquired (step S1), similar to step S1 shown in Fig. 4. If allergy information has not been acquired in step S1, the processor 12 may end the operation shown in Fig. 8. After the operation shown in Fig. 8 ends, the processor 12 may start the operation shown in Fig. 8 again. In this case, the processor 12 may repeat the operation shown in Fig. 8 periodically or irregularly. Furthermore, the processor 12 may repeat the operation shown in Fig. 8 until allergy information is acquired in step S1.

[0117] If allergy information is acquired in step S1, the processor 12 identifies the table used by the user (step S71). In step S71, the processor 12 may acquire, for example, the table number of the table used by the user. The processor 12 may also acquire, for example, the chair number associated with the table used by the user. Here, the display device 10 may store in advance in the storage unit 16 an identification number of the table on which the display device 10 is placed. The display device 10 may also indirectly identify the table used by the user by inquiring of another electronic device 100 about an identification number unique to the display device 10. Hereinafter, the table identification information obtained as a result of table identification will be referred to as a table identifier for convenience.

[0118] Once the table is identified in step S71, the processor 12 generates a two-dimensional code based on the allergy information and the table identifier (step S72). In step S72, the processor 12 may generate a two-dimensional code such as a QR code (registered trademark). The code generated in step S72 is not limited to a two-dimensional code, and other codes such as a one-dimensional barcode may also be generated.

[0119] Once the two-dimensional code is generated in step S72, the processor 12 displays the generated two-dimensional code on the display unit 14 (step S73). The two-dimensional code displayed in step S73 is not recognizable by the average person at first glance. However, such a two-dimensional code can be converted into allergy information and a table identifier by being read by an appropriate code reader. In this case, for example, a staff member taking a customer's order or a staff member delivering the ordered food and drink to the customer may carry a terminal that functions as, for example, another electronic device 100. In this way, the staff member can read the two-dimensional code displayed on the display unit 14 of the display device 10 using, for example, the reading unit 220 of the other electronic device 100.

[0120] As described above, the two-dimensional code displayed on the display unit 14 in step S73 may be generated based on the user's allergy information and the identifier of the table used by the user. Therefore, when the displayed two-dimensional code is read, for example, the table's identification number and the user's allergy information can be extracted. For example, when a certain two-dimensional code is read, information such as "Table No. 5 / A's allergy: shrimp and wheat / B's allergy: buckwheat" may be extracted. Here, in order to place more importance on privacy protection, the information included in the read two-dimensional code may not include the personal names of the users, such as A and B.

[0121] As a modification of the third embodiment, the display device 10 may be implemented in various electronic devices such as a smartphone or tablet terminal carried by a user. In this case, the user may input or register their own allergy information in advance in the display device 10 functioning as their own smartphone or the like. Then, a user visiting a certain restaurant inputs or registers the table number written on the table they will be using in their own smartphone (display device 10) (step S71 shown in FIG. 8). Then, a two-dimensional code generated based on the allergy information and the table identifier is displayed on the display unit 14 of the user's smartphone (display device 10). Therefore, the user simply holds the two-dimensional code displayed on the display unit 14 over the reading unit 220 of another electronic device 100 carried by a staff member taking the customer's order or a staff member delivering the ordered food and drink to the customer.

[0122] In this way, the at least one processor 12 may display on the display unit 14 a two-dimensional code based on the user's allergy information and the identifier of the table used by the user.

[0123] According to the third embodiment, it is possible to prevent a user's allergy information from being ascertained by others, and therefore, the display device 10 according to the third embodiment can provide the user with safe food and drink while protecting the user's privacy.

[0124] (Fourth embodiment) It would be extremely convenient for users of a food and drink service to be able to easily determine whether a food or drink is safe for them to eat when viewing a menu and ordering it. Display device 10 according to the fourth embodiment displays foods and drinks on the menu that are safe for the user to eat, based on the user's allergy information, in a manner that allows the user to recognize them. Display device 10 according to the fourth embodiment will be described in further detail below.

[0125] FIG. 9 is a flowchart illustrating the operation of the display device 10 according to the fourth embodiment. The display device 10 according to the fourth embodiment may be, for example, a display associated with a table used by a customer of a food and drink service, or an ordering terminal (e.g., with a touch panel) equipped with such a display. The display device 10 according to the fourth embodiment may also be, for example, an ordering terminal used by a waiter. In other words, the display device 10 according to this embodiment may be any device used when a staff member or a customer of a food and drink service orders food and drink.

[0126] When the operation shown in FIG. 9 starts, the processor 12 of the display device 10 acquires information about the food and beverages to be provided to the user (step S81). Hereinafter, for convenience, the information about the food and beverages to be provided to the user will also be referred to as "food and beverage information." Here, the food and beverage information may be, for example, information about the food and beverages listed on a menu as the food and beverages to be provided to the user. The food and beverage information may also be information about dishes that can be provided to the user in the food and beverage provision service. Specifically, the food and beverage information may include the names of specific dishes, such as "curry," "pasta," and "pizza." The food and beverage information may also include the names of more specific dishes, such as "chicken curry," "squid ink pasta," and "seafood pizza." Furthermore, if the food and beverage provider is a curry specialty store, for example, the food and beverage information may include the specific names of various curries. Furthermore, the food and beverage information does not include the names of specific dishes, but may be, for example, the name of a course meal that includes several dishes.

[0127] After acquiring the food and drink information in step S81, the processor 12 determines whether or not the user's allergy information has been acquired (step S1), similar to step S1 shown in FIG. 4. If the allergy information has not been acquired in step S1, the processor 12 may end the operation shown in FIG. 9. After ending the operation shown in FIG. 9, the processor 12 may start the operation shown in FIG. 9 again. In this case, the processor 12 may repeat the operation shown in FIG. 9 periodically or irregularly. Furthermore, the processor 12 may repeat the operation shown in FIG. 9 until the allergy information is acquired in step S1.

[0128] If allergy information is acquired in step S1, the processor 12 displays information about food and drink on the display unit 14 so as to suggest food and drink that corresponds to the acquired allergy information (step S82).

[0129] For example, suppose that the allergy information of a user acquired by processor 12 includes "crab" as a type of allergy. In this case, processor 12 displays, for example, "curry" that does not include "crab" as an ingredient on display unit 14 so as to suggest it as a food or drink that corresponds to the allergy information. Specifically, processor 12 may display, for example, on display unit 14, "curry" that does not include "crab" as an ingredient so that it is listed on a regular menu. Processor 12 may also display, for example, on display unit 14, "curry" that does not include "crab" as an ingredient so that it is listed on the menu together with the fact that it is "allergy-friendly."

[0130] On the other hand, for example, suppose that the allergy information of the user acquired by processor 12 includes "shrimp" as a type of allergy. In this case, processor 12 may, for example, prevent "seafood pizza," which includes "shrimp" as an ingredient, from being displayed on display unit 14 as a food or drink corresponding to the allergy information. For example, processor 12 may prevent "seafood pizza," which includes "shrimp" as an ingredient, from being listed on the regular menu displayed on display unit 14. Furthermore, processor 12 may, for example, display "seafood pizza," which includes "shrimp" as an ingredient, on the regular menu in a grayed-out state.

[0131] 10A and 10B are diagrams showing an example of a display on the display unit 14 of the display device 10. FIG. 10A may be a food and drink menu displayed on the display unit 14, for example, when the allergy information of the user acquired in step S1 shown in FIG. 9 does not include any allergy types. FIG. 10A may be a food and drink menu displayed on the display unit 14, for example, when the allergy information of the user acquired in step S1 shown in FIG. 9 indicates "no allergies." That is, suppose that this restaurant normally offers, for example, six types of food and drink, menu A to menu F. In this case, as shown in FIG. 10A, the processor 12 may display images M1 to M6 representing the foods and drinks from menu A to menu F on the display unit 14.

[0132] On the other hand, suppose that the foods and beverages on menus A and D do not correspond to the allergy information of the user acquired in step S1 shown in Fig. 9. That is, suppose that the ingredients corresponding to the type of allergy included in the acquired allergy information are included in the foods and beverages on menus A and D. In this case, as shown in Fig. 10B, when displaying the food and beverage menu on display unit 14, processor 12 may prevent images M1 and M4 representing the foods and beverages on menus A and D from being displayed on display unit 14. Furthermore, when displaying the food and beverage menu on display unit 14, processor 12 may display images M1 and M4 representing the foods and beverages on menus A and D in a grayed-out manner.

[0133] In this way, when displaying information indicating foods and drinks on the display unit 14, the at least one processor 12 may display on the display unit 14 so as to suggest foods and drinks that correspond to the allergy information of the user.

[0134] According to the fourth embodiment, users of the food and drink provision service can easily recognize that the foods and drinks listed on the menu are safe for them to eat. Also, according to the fourth embodiment, users of the food and drink provision service can easily recognize that foods and drinks not listed on the menu or grayed out on the menu are risky foods and drinks for them.

[0135] 9, after displaying information about food and drink on display unit 14, processor 12 may determine whether or not a food or drink listed on the menu has been selected (step S83). In step S83, processor 12 may determine whether or not at least one of menu images M2, M3, M5, and M6 displayed on display unit 14 has been selected, as shown in FIG. 10B, for example. For example, if display unit 14 includes an operation unit 20 such as a touch panel, processor 12 may detect a user's touch on at least one of menu images M2, M3, M5, and M6. When a food or drink listed on the menu has been selected, processor 12 may include information about the selected food or drink in the order information.

[0136] If no food or drink is selected in step S83, the processor 12 may wait until food or drink is selected in step S83.

[0137] On the other hand, if food or drink is selected in step S83, the processor 12 identifies the table to be used by the user (step S71). In step S71, the processor 12 may identify the table to be used by the user in the same manner as in step S71 shown in FIG. 8, for example.

[0138] Once the table is identified in step S71, the processor 12 transmits order information generated based on the allergy information, the identifier of the table, and the information on the selected food and drink to, for example, another electronic device 100 (step S84). To perform the processing of step S84, the processor 12 may generate order information that associates the food and drink selected by the user, the identifier of the table used by the user, and the allergy information of the user.

[0139] In this way, when a food or drink corresponding to the user's allergy information is selected, at least one processor 12 may control to transmit order information to another electronic device 100. Here, the order information may be information that associates the selected food or drink, the identifier of the table used by the user, and the user's allergy information.

[0140] According to the fourth embodiment, the other electronic device 100 that receives the order information transmitted from the display device 10 can receive information associating the food and beverage ordered by the user with the identifier of the user's table and the user's allergy information. Therefore, according to the fourth embodiment, the staff of the food and beverage service can reliably deliver the food and beverage ordered by the user to the table to be used by the user after confirming whether the food and beverage ordered by the user is safe for the user. Furthermore, in the fourth embodiment, the food and beverage ordered by the user does not contain ingredients that are dangerous to the user. Therefore, according to the fourth embodiment, the risk of providing food and beverage containing a specific allergen to an allergy sufferer can be reduced.

[0141] Furthermore, in the fourth embodiment, the user allergy information is not limited to information about one user, but may be information about multiple users. For example, consider a situation in which one display device 10 is placed at a table and the table is used by two users, a parent and a child. The display device 10 placed at the table may acquire allergy information indicating "allergies" from each of the two users, for example, a parent and a child. In this case, in step S82 of FIG. 9, the display device 10 may display food information on the display unit 14 so that the parent and child are suggested foods and drinks corresponding to their respective allergy information.

[0142] 11A and 11B are diagrams showing an example of a display on the display unit 14 of the display device 10. As shown in FIGS. 11A and 11B, when information on foods and beverages corresponding to the allergy information of multiple users is displayed on the display unit 14, the information may be displayed switchably using tabs. For example, suppose that the foods and beverages in menus A and B do not correspond to the allergy information of parent user A. In this case, as shown in FIG. 11A, when tab T1 of parent A is selected, the processor 12 may not display images M1 and M2 representing the foods and beverages in menus A and B on the display unit 14. On the other hand, suppose that the foods and beverages in menus C to F do not correspond to the allergy information of child user B. In this case, as shown in FIG. 11B, when tab T2 of child B is selected, the processor 12 may not display images M3 to M6 representing the foods and beverages in menus C to F on the display unit 14.

[0143] 11A and 11B in response to switching of selection between tab T1 of parent A and tab T2 of child B. Here, when tab T0 of the regular menu shown in Fig. 11A and 11B is selected, processor 12 may display images M1 to M6 representing food and drink items from menu A to menu F on display unit 14, for example, as shown in Fig. 10A.

[0144] In this way, the allergy information may include allergy information of multiple users of the food and beverage provision service. In this case, at least one processor 12 may display information indicating foods and beverages on display unit 14 so as to suggest foods and beverages corresponding to the allergy information of each of the multiple users.

[0145] According to the fourth embodiment, each of the multiple users of the food and drink provision service can easily recognize that the food and drink listed on the menu is safe for them to eat. Also, according to the fourth embodiment, each of the multiple users of the food and drink provision service can easily recognize that the food and drink not listed on the menu or that is grayed out on the menu is risky for them.

[0146] Furthermore, at least one processor 12 may perform control so that, when foods and beverages corresponding to the allergy information of multiple users are selected, order information is transmitted to another electronic device 100. Here, the order information may be information that associates the selected foods and beverages, the identifiers of the tables used by the multiple users, and the allergy information of the multiple users.

[0147] According to the fourth embodiment, other electronic devices 100 that receive order information transmitted from the display device 10 can receive information associating the foods and beverages ordered by multiple users with the identifiers of the users' tables and the allergy information of the users. Therefore, according to the fourth embodiment, food and beverage service staff can reliably deliver the foods and beverages ordered by multiple users to the tables used by the multiple users after confirming whether the foods and beverages ordered by the multiple users are safe for each user. Furthermore, in the fourth embodiment, the foods and beverages ordered by the multiple users do not contain ingredients that are dangerous to the multiple users. Therefore, according to the fourth embodiment, the risk of providing foods and beverages containing specific allergens to an allergy sufferer can be reduced.

[0148] (Fifth embodiment) It is assumed that the level of a user's allergies may vary slightly depending on the user's daily physical condition. For example, a certain user may feel safe eating certain foods and drinks on days when they are feeling well, but feel risky eating them on days when they are not feeling well. Conversely, a certain user may feel safe eating certain foods and drinks on days when they are feeling well, but feel risky eating them on days when they are not feeling well. The display device 10 according to the fifth embodiment displays foods and drinks that correspond to the approximate level of allergy included in the user's allergy information in an easily recognizable manner. The display device 10 according to the fifth embodiment will be further described below.

[0149] FIG. 12 is a flowchart illustrating the operation of the display device 10 according to the fifth embodiment. As in the fourth embodiment, the display device 10 according to the fifth embodiment may be, for example, a display associated with a table used by a customer of a food and beverage service, or an ordering terminal (e.g., with a touch panel) equipped with such a display. The display device 10 according to the fifth embodiment may also be, for example, an ordering terminal used by a waiter. In other words, the display device 10 according to this embodiment may be any device used when a staff member or a customer of a food and beverage service orders food and beverages.

[0150] At the start of the operation shown in FIG. 12, the processor 12 is assumed to have acquired food and drink information, for example, in the same manner as in the processing of step S81 shown in FIG. 9. When the operation shown in FIG. 12 starts, the processor 12 determines whether or not allergy information of the user has been acquired (step S1), similar to step S1 shown in FIG. 4. If allergy information has not been acquired in step S1, the processor 12 may end the operation shown in FIG. 12. After the operation shown in FIG. 12 is ended, the processor 12 may start the operation shown in FIG. 12 again. In this case, the processor 12 may repeat the operation shown in FIG. 12 periodically or irregularly. Furthermore, the processor 12 may repeat the operation shown in FIG. 12 until allergy information is acquired in step S1.

[0151] When allergy information is acquired in step S1, the processor 12 determines whether the acquired allergy information includes the degree of allergy (step S91). In step S91, the processor 12 may execute, for example, the same process as step S62 shown in FIG.

[0152] If it is determined in step S91 that the allergy information does not include the level of allergy, the processor 12 may control the display on the display unit 14 based on the allergy information (step S2). In step S2, the processor 12 may execute the same process as step S2 shown in FIG. 4 or 6.

[0153] On the other hand, if it is determined in step S91 that the allergy information includes the level of allergy, processor 12 may display information indicating food and drink on display unit 14 in a manner that differs depending on the input level of allergy (step S92). In step S92, for example, when a predetermined level of allergy is input, processor 12 may display on display unit 14 a suggested food and drink that corresponds to the input level of allergy.

[0154] 13A and 13B are diagrams showing an example of a display on the display unit 14 of the display device 10. As in the fourth embodiment, the following description will be given assuming that the display unit 14 includes an operation unit 20 such as a touch panel. As shown in FIGS. 13A and 13B, the processor 12 may display, for example, button images B1, B2, and B3 indicating a predetermined level of allergy and detect input (a user's touch) on the image. When the button images B1, B2, and B3 are selected, the processor 12 may display, on the display unit 14, information about food and drink corresponding to the input level of allergy.

[0155] Fig. 13A shows a state in which button image B2 indicating "allergy level 2 or higher" is selected, and images M3 to M6 indicating menus C to F as foods and drinks corresponding to allergy level 2 or higher are displayed on display unit 14. Fig. 13B shows a state in which button image B3 indicating "allergy level 4 or higher" is selected, and images M3 and M6 indicating menus C and F as foods and drinks corresponding to allergy level 4 or higher are displayed on display unit 14.

[0156] As shown in FIG. 13B , the processor 12 may superimpose an image NA indicating "not allowed" on images M4 and M5 indicating food and beverage menus D and E that are not suitable for allergy class 4 or higher. This allows the user to recognize that the food and beverage menus D and E pose a risk to the user. On the other hand, the user can recognize that the food and beverage menus C and F are safe for the user. In this case, instead of displaying the image NA indicating "not allowed," the processor 12 may, for example, gray out the images M4 and M5 indicating the food and beverage menus D and E. In these cases, the processor 12 may, for example, display the food and beverage menus D and E on the display unit 14 as selectable images or as unselectable images.

[0157] As described above, in this embodiment, the allergy information may include the level of the user's allergy. In this case, when displaying information indicating food and drink on the display unit 14, the at least one processor 12 may display the information indicating the food and drink in a different manner depending on the user's input of the level of allergy. Specifically, the at least one processor 12 may display information indicating the food and drink that corresponds to the level of allergy in a manner that makes it possible to distinguish it from information that does not correspond to the level of allergy, for example, by displaying an "unavailable" image NA. Furthermore, the at least one processor 12 may display information indicating the food and drink in a manner that allows only information corresponding to the level of allergy to be selected. In other words, the processor 12 may display information indicating the food and drink that does not correspond to the level of allergy in a manner that makes it impossible to select it. Furthermore, the at least one processor 12 may display information indicating the food and drink that corresponds to a level of allergy other than the level of allergy in response to (selection) input on, for example, button images B1 to B3. In this manner, the at least one processor 12 may display information indicating the food and drink that corresponds to a predetermined level of allergy or higher in a manner different from information indicating the food and drink that does not correspond to the predetermined level of allergy or higher in a manner that allows only information indicating the food and drink to be selected. For example, like images M4 and M5 of menu D and menu E shown in FIG. 13B, they may be displayed in gray out, or an image NA indicating "not available" may be displayed.

[0158] According to the fifth embodiment, a user can easily recognize foods and drinks that correspond to the approximate level of allergy included in his / her allergy information. Therefore, when the user is in good health, the user can try foods and drinks that he / she normally dislikes. Also, when the user is not in good health, the user can avoid foods and drinks that he / she normally does not mind.

[0159] The above-described embodiments are not limited to implementation as the display device 10 included in the system 1. For example, the above-described embodiments may be implemented as another electronic device 100 included in the system 1. Furthermore, the above-described embodiments may be implemented as a system including devices such as the display device 10 and / or other electronic devices 100 included in the system 1. Furthermore, the above-described embodiments are not limited to implementation as devices such as the display device 10 and / or other electronic devices 100 included in the system 1. For example, the above-described embodiments may be implemented as a control method for an electronic device such as the display device 10 included in the system 1. Furthermore, for example, the above-described embodiments may be implemented as a program executed by an electronic device such as the display device 10 included in the system 1.

[0160] While the present disclosure has been described based on various drawings and examples, it should be noted that those skilled in the art would easily be able to make various modifications and alterations based on the present disclosure. Therefore, it should be noted that these modifications and alterations are within the scope of the present disclosure. For example, the functions contained in each functional unit can be rearranged so as not to cause logical inconsistencies. Multiple functional units may be combined into one or divided. The above-described embodiments of the present disclosure are not limited to faithful implementation of each of the described embodiments, but may be implemented by combining features or omitting some features as appropriate. In other words, those skilled in the art can make various modifications and alterations based on the present disclosure. Therefore, these modifications and alterations are within the scope of the present disclosure. For example, in each embodiment, each functional unit, means, step, etc. can be added to other embodiments so as not to cause logical inconsistencies, or can be replaced with each functional unit, means, step, etc. of other embodiments. Furthermore, in each embodiment, multiple functional units, means, steps, etc. can be combined into one or divided into two or more. Furthermore, each of the above-described embodiments of the present disclosure is not limited to being implemented faithfully according to each of the described embodiments, but can also be implemented by combining each feature or omitting some of them as appropriate.

[0161] For example, the above-described embodiment has been described assuming that the display device 10 is primarily intended for use by food allergy sufferers. However, the display device 10 according to an embodiment is not limited to use by food allergy sufferers. The display device 10 according to an embodiment may also be intended for use by people who cannot eat certain foods or beverages for religious reasons, for example. The display device 10 according to an embodiment may also be intended for use by people with dietary restrictions, such as pregnant women or people prone to high blood pressure. The display device 10 according to an embodiment is not limited to allergies, and may also correspond to, for example, a user's food preferences, such as likes and dislikes. In such cases, the content of the allergy information may be input or registered from a perspective other than allergies. [Explanation of symbols]

[0162] 1 System 10 Display equipment 12 processors 14 Display section 16 Memory section 18 Communications Department 20 Control section 100 Other electronic devices 120 processors 140 Display section 160 Storage section 180 Communications Department 200 Operation section 220 Reading unit N Network

Claims

1. A display unit; at least one processor for controlling the display; A display device comprising: the at least one processor controls the display unit to display a first image including a two-dimensional or one-dimensional code based on allergy information of a user of the food and beverage service and an identifier of a table used by the user; The allergy information includes the level of the user's allergy, A display device in which, when displaying information indicating food or drink on the display unit, the at least one processor displays the information indicating the food or drink as an image different from the first image in a different manner depending on the input of the level of allergy.

2. 2. The display device of claim 1, wherein the at least one processor displays the first image on the display unit based on the allergy information, and then, upon detecting a first signal indicating that the food or beverage has been provided to the user, hides the first image on the display unit.

3. The display device of claim 2, wherein the at least one processor, after detecting the first signal, displays the first image on the display unit when it detects a second signal indicating an additional order for food or beverage to be provided to the user.

4. 3. The display device of claim 2, wherein the at least one processor, after displaying the first image on the display unit based on the allergy information, hides the first image on the display unit when it detects a third signal indicating that the payment for the food and beverage provided to the user has been completed.

5. The display device of claim 4, wherein the at least one processor, after detecting the third signal, does not display the first image on the display unit even if it detects a second signal indicating an additional order for food or beverage to be provided to the user.

6. The allergy information includes the type of allergy of the user, The display device according to claim 1 , wherein the at least one processor displays a second image indicating the type of allergy on the display unit as an image separate from the first image.

7. The allergy information includes the level of the user's allergy, The display device according to claim 6 , wherein the at least one processor displays a third image indicating the degree of the allergy on the display unit as an image separate from the first image.

8. The allergy information includes the level of the user's allergy, The display device according to claim 6 , wherein the at least one processor changes a display manner of the second image depending on the level of the allergy.

9. The display device of claim 8 , wherein the at least one processor changes at least one of a size, a shape, and a blinking rate of the second image depending on the level of the allergy.

10. The display device of claim 1, wherein when the at least one processor displays information indicating food or beverages on the display unit, the information displays an image on the display unit that is separate from the first image so as to suggest food or beverages that correspond to the user's allergy information.

11. The display device according to claim 10, wherein the at least one processor controls the display device so that, when a food or beverage corresponding to the user's allergy information is selected, the food or beverage, an identifier of the table used by the user, and order information associating the food or beverage, the identifier of the table used by the user, and the user's allergy information are transmitted to another electronic device.

12. The display device according to claim 10, wherein, when the allergy information includes allergy information of multiple users of the service, the at least one processor displays information indicating foods and beverages on the display unit so as to suggest foods and beverages corresponding to the allergy information of each of the multiple users.

13. The display device according to claim 12, wherein the at least one processor controls the display device so that when a food or beverage corresponding to the allergy information of each of the multiple users is selected, the food or beverage, an identifier of the table used by the multiple users, and order information associating the food or beverage, the identifier of the table used by the multiple users, and the allergy information of each of the multiple users are sent to another electronic device.

14. The display device of claim 1, wherein when displaying information indicating food and beverages on the display unit, the at least one processor displays information indicating the food and beverages that corresponds to the level of allergy in a manner that makes it distinguishable from information that does not correspond to the level of allergy.

15. The display device according to claim 1 , wherein when displaying information indicating food and drink on the display unit, the at least one processor displays only information indicating the food and drink that corresponds to the level of allergy in a selectable manner.

16. The display device according to claim 1 , wherein when displaying information indicating food or drink on the display unit, the at least one processor is configured to switch the display to information indicating the food or drink corresponding to a level of allergy other than the level of allergy.

17. The display device of claim 1, wherein when displaying information indicating food or beverage on the display unit, the at least one processor displays information indicating the food or beverage that corresponds to a case where the degree of allergy is above a predetermined level in a manner different from information indicating the food or beverage that corresponds to a case where the degree of allergy is below the predetermined level.

18. A method including a step of controlling a display on a display unit of a display device, In the step, a first image including a two-dimensional or one-dimensional code based on allergy information of a user of the food and beverage provision service and an identifier of a table used by the user is controlled to be displayed on the display unit; The allergy information includes the level of the user's allergy, In the step, when information indicating food or drink is displayed on the display unit, the information indicating the food or drink is displayed as an image different from the first image in a manner that differs depending on the input of the level of allergy.

19. On the computer, A program for executing a step of controlling a display on a display unit of a display device, In the step, a first image including a two-dimensional or one-dimensional code based on allergy information of a user of the food and beverage provision service and an identifier of a table used by the user is controlled to be displayed on the display unit; The allergy information includes the level of the user's allergy, In the step, when information indicating food or drink is displayed on the display unit, the information indicating the food or drink is displayed as an image different from the first image in a manner that differs depending on the input of the level of allergy.

Images