Settlement device and program

Abstract

To provide a settlement device and a program that can expand the range of available settlement means.SOLUTION: A settlement device comprises: commodity information storage means that stores, for one or more commodities on which sales registration processing is performed, specification information for specifying the commodities in a storage unit; settlement means designation means that receives one designated settlement means; settlement processing means that, when determining that settlement of part or all of the commodities related to the specification information can be performed with the received designated settlement means, based on a table in which determination information for determining whether settlement can be performed with the settlement means is stored for every specification information, performs settlement processing on the commodities for which settlement can be formed with the use of the settlement means; and notification means that, when determining that settlement of all of the commodities related to the specification information cannot be performed with the designated settlement means based on the table, notifies guidance indicating that the settlement cannot be performed with the settlement means.SELECTED DRAWING: Figure 6

Description

[Technical Field]

[0001] FIELD An embodiment of the present invention relates to a payment device and a program. [Background technology]

[0002] Conventionally, stores have self-service POS (Point of Sales) terminals where customers themselves perform sales registration and payment operations, semi-self-service POS terminal payment devices where a store clerk performs sales registration operations and the customer performs payment operations, and regular POS terminals where a store clerk performs sales registration and payment operations.

[0003] When using these POS terminals to make payments using credit cards, for example, there are some types of credit cards that cannot be used to pay for certain products. Therefore, if there are products that cannot be paid for with that credit card, that credit card cannot be used to pay for all products.

[0004] This is not limited to credit cards; for example, if the items being purchased include items that can only be paid for with cash, all items must be paid for with cash. Summary of the Invention [Problem to be solved by the invention]

[0005] The problem to be solved by the present invention is to provide a payment device and a program that can expand the range of payment methods that can be used. [Means for solving the problem]

[0006] The payment device of the embodiment comprises a product information storage means for storing specific information identifying one or more products for which sales registration processing has been performed in a storage unit; a payment means designation means for accepting one designated payment means; a payment processing means for processing payment for products that can be paid for using the payment means when it is determined that some or all of the products related to the specific information can be paid for using the payment means designated, based on a table in which determination information for each of the specific information is stored that determines whether payment can be made using the payment means for which designation has been accepted; and a notification means for providing guidance indicating that payment cannot be made using the payment means when it is determined based on the table that all of the products related to the specific information cannot be paid for using the designated payment means. [Brief explanation of the drawings]

[0007] [Figure 1] FIG. 1 is a schematic diagram showing a POS system according to an embodiment. [Figure 2] FIG. 2 is a schematic diagram showing a self-service POS terminal. [Figure 3] FIG. 3 is a block diagram showing the hardware configuration of the self-checkout POS terminal. [Figure 4] FIG. 4 is a memory map showing the product table. [Figure 5] FIG. 5 is a functional block diagram showing the functional configuration of the self-checkout POS terminal. [Figure 6] FIG. 6 is a flowchart showing the flow of control processing of the self-checkout POS terminal. [Figure 7] FIG. 7 is a diagram showing a display screen of the display unit. [Figure 8] FIG. 8 is a diagram showing another display screen of the display unit. [Figure 9] FIG. 9 is a diagram showing yet another display screen of the display unit. [Figure 10] FIG. 10 is a diagram showing yet another display screen of the display unit. [Figure 11] FIG. 11 is a diagram showing a display screen of a display unit according to a modified example. DETAILED DESCRIPTION OF THE INVENTION

[0008] Hereinafter, embodiments will be described in detail with reference to the drawings. In the embodiments, a self-service POS terminal will be described as an example of a payment device. However, the present invention is not limited to the embodiments described below.

[0009] FIG. 1 is a schematic diagram showing a POS system according to an embodiment. The POS system is a system that sells products sold in a store and manages sales of the sold products, and is mainly installed within the store. The POS system includes multiple self-service POS terminals 10 installed within the store and one server 20 that is installed in the backroom of the store and is a higher-level device for the self-service POS terminals 10. The self-service POS terminals 10 and the server 20 are electrically connected by a communication line 30 such as a LAN (Local Area Network). Therefore, each self-service POS terminal 10 and the server 20 can send and receive information to and from each other.

[0010] The self-service POS terminal 10 allows the customer to perform sales registration and payment operations for the product they wish to purchase. When the customer performs the sales registration operation for the product they wish to purchase, which involves reading an image of a symbol such as a barcode attached to the product, the self-service POS terminal 10 executes a sales registration process for the product. The sales registration process refers to a process in which the self-service POS terminal 10 displays product information (product name, price, etc.) of the product read based on the product code acquired from the symbol, and stores the product information in the product information section 131 (see FIG. 3). The self-service POS terminal 10 may also optically read the image of the symbol attached to the product to acquire the corresponding product code.

[0011] Furthermore, when a customer performs a payment operation, the self-service POS terminal 10 executes a payment process. The payment process involves displaying the total amount of the transaction based on the product information stored in RAM or the like by the sales registration process, and calculating and displaying the change based on the deposit received from the customer. In the case of payment by cash, this process includes a process of instructing the change dispenser to issue change. In the case of payment by credit card, this process includes a payment process using the credit card. The payment process also includes a process of issuing a receipt on which the product information and payment information (total amount, deposit amount, change amount, etc.) that have been registered in the sales process are printed.

[0012] The self-service POS terminal 10 transmits the product code, product information, payment information, etc. of the product for which payment has been processed to the server 20 via the communication line 30. The self-service POS terminal 10 also transmits settlement information for the sales for a predetermined period (for example, one day) to the server 20 via the communication line 30.

[0013] The server 20 centrally manages the product codes, product information, payment information, accounting information, etc. received from each self-service POS terminal 10. In other words, the server 20 manages sales and the like for a single store. The server 20 also transmits information related to a product master (see FIG. 3) to each self-service POS terminal 10. The product master 142 stores product information for each product in association with a product code that identifies the product. The server 20 also stores a product table. The product table, which will be described later with reference to FIGS. 3 and 4, is periodically distributed from the server 20 to the self-service POS terminal 10.

[0014] Fig. 2 is a front view showing the appearance of the self-service POS terminal 10 according to the embodiment. As shown in Fig. 2, the self-service POS terminal 10 includes a payment terminal 1, a basket stand 2, and a bagging stand 3. The payment terminal 1 includes a money deposit / withdrawal unit 4, a reading unit 5, a display / operation unit 6, and a control unit 100 (see Fig. 3) that controls each unit.

[0015] The settlement terminal 1 comprises a first housing 7 and a second housing 8. The first housing 7 houses a deposit / withdrawal unit 4 therein. The second housing 8 houses a control unit 100 therein.

[0016] The reading unit 5 is equipped with a code reader 27 that reads the appearance of a product or a symbol (such as a barcode or two-dimensional code) attached to the product in order to identify the product. The reading unit 5 also has a printing unit 24 that prints receipts for the products being sold. The printing unit 24 issues the discharged receipt from the receipt issuing port 51b. The issued receipt is supported from below by the receipt discharge table 51a. The reading unit 5 also has a card reader 25 that reads credit cards and electronic money cards used in payment processing.

[0017] The display operation unit 6 includes a display unit 23 configured, for example, by a monitor, and an operation unit 21 configured, for example, by a touch panel. The display unit 23 displays information and images. The operation unit 21 is provided on the surface of the display unit 23, and outputs information to the control unit 100 based on the position touched by the operator.

[0018] The basket stand 2 is a stand on which baskets containing products are placed. The basket stand 2 is provided on one side of the payment terminal 1. A customer removes products from the basket and holds it over the reading unit 5. The bagging stand 3 is a stand on which products are bagged after their symbols have been read by the code reader 27. The bagging stand 3 is provided on the other side of the payment terminal 1 (opposite the basket stand 2).

[0019] Next, the hardware configuration of the self-service POS terminal 10 will be described. Fig. 3 is a block diagram showing the hardware configuration of the self-service POS terminal 10. As shown in Fig. 3, the self-service POS terminal 10 includes a CPU (Central Processing Unit) 11, a ROM (Read Only Memory) 12, a RAM (Random Access Memory) 13, and a memory unit 14. The CPU 11 is the main controller. The ROM 12 stores various programs. The RAM 13 loads programs and various data. The memory unit 14 stores various programs. The CPU 11, ROM 12, RAM 13, and memory unit 14 are connected to one another via a bus 15. The CPU 11, ROM 12, and RAM 13 constitute a control unit 100. That is, the control unit 100 executes control processing related to the self-service POS terminal 10, which will be described later, by the CPU 11 operating in accordance with a control program stored in the ROM 12 or the memory unit 14 and loaded in the RAM 13.

[0020] The RAM 13 includes a product information section 131 (storage section), a product table 132 (table), a payment information section 133, and a media storage section 135. The product information section 131 stores product codes and product information (product name, product price, etc.) of products for which sales registration processing has been performed based on product codes acquired from symbols read by the code reader 27. The product table 132 stores determination information for each product code (specific information) that determines whether payment can be made with the corresponding medium (payment means). In the embodiment, the product table 132 stores determination information for each combination of a product code, which is the specific information, and multiple media used for payment, that determines whether payment can be made with the corresponding media for the product. The product table 132 will be described later with reference to FIG. 4. The payment information section 133 acquires and stores determination information from the product table 132 for each product stored in the product information section 131. The media storage section 135 stores media specified by the operation section 21.

[0021] The memory unit 14 is configured with a non-volatile memory such as a hard disk drive (HDD) or flash memory that retains stored information even when the power is turned off. The memory unit 14 includes a control program unit 141 and a product master 142. The control program unit 141 stores a control program for controlling the self-checkout POS terminal 10. The product master 142 stores product information related to each product.

[0022] Furthermore, the control unit 100 is connected to the operation unit 21, display unit 23, printing unit 24, card reader 25, code reader 27, and deposit / withdrawal unit 4 via the bus 15 and controller 16. The operation unit 21 includes an end key 211. The end key 211 is operated by the customer to end the sales registration operation for a product and start the payment operation. The deposit / withdrawal unit 4 deposits money received from the customer and dispenses change to be paid to the customer.

[0023] The control unit 100 is also connected to the communication unit 26 via the bus 15. The communication unit 26 is electrically connected to other self-service POS terminals 10 and the server 20 installed in the store via the communication line 30. The communication unit 26 transmits and receives information to and from the other self-service POS terminals 10 and the server 20.

[0024] Next, the product table 132 will be described. FIG. 4 is a memory map showing the product table. The product table 132 stores, for each combination of a product code and a plurality of media (cash, electronic money, and six types of credit cards, Card A to Card F), which are payment methods for paying for products, determination information that determines whether or not the product with that product code can be paid for with that media. The determination information indicates, for each product, whether the media can be used for payment or cannot be used. Specifically, for each combination of a product code and a plurality of media used for payment, information indicating "yes" that the media can be used for payment or "no" that the media cannot be used for payment is stored. The "yes" information and the "no" information are determination information.

[0025] The product table 132 includes a product code 1321, cash determination information 1322, electronic money determination information 1323, and credit card determination information 1324. The product code 1321 stores a product code that identifies each product. The cash determination information 1322 stores information indicating whether cash payment is possible or not for each product having a product code stored in the product code 1321. The electronic money determination information 1323 stores information indicating whether electronic money payment is possible or not for each product having a product code stored in the product code 1321. The credit card determination information 1324 stores information indicating whether six types of credit cards (cards a to f) are possible or not for each product having a product code stored in the product code 1321.

[0026] That is, by referring to the product table 132, it can be seen that product A can be paid for with cash and card a, but not with electronic money or cards b to f. It can also be seen that product B and product N can be paid for with any of cash, electronic money, and cards a to f, and there is no media that cannot be used for payment. It can also be seen that product C can only be paid for with cash, and cannot be paid for with any other media. It can also be seen that product D cannot be paid for with electronic money, but can be paid for with any other media.

[0027] Next, we will explain in detail the functional configuration of the self-service POS terminal 10. Figure 5 is a functional block diagram showing the functional configuration of the self-service POS terminal 10. The control unit 100 functions as a product information storage means 101, a payment method designation means 102, a determination information acquisition means 103, a determination means 104, a payment processing means 105, and a notification means 106 by following a control program stored in the ROM 12 or the control program section 141 of the memory unit 14.

[0028] The product information storage means 101 stores in the product information section 131 a product code that identifies one or more products for which sales registration processing has been performed.

[0029] The payment method designation unit 102 receives information on the media that is one of the designated payment methods. Specifically, the payment method designation unit 102 stores in the media storage unit 135 information on the media associated with the operated media key among the various media keys displayed on the display unit 23.

[0030] The judgment information acquisition means 103 searches the product table 132 based on the product code stored in the product information section 131 by the product information storage means 101, acquires the judgment information associated with the product code, and stores it in the payment information section 133.

[0031] The determination means 104 determines, based on the determination information obtained from the product table 132 (i.e., the determination information stored in the payment information unit 133), whether or not the product with the product code stored in the product information unit 131 can be paid for using the media whose information is stored in the media storage unit 135.

[0032] When the payment processing means 105 determines that some or all of the products associated with the product codes stored in the product information unit 131 can be paid for using the media for which the designation has been accepted, based on a table storing determination information for determining whether or not payment can be made using the media for each piece of specific information (in an embodiment, based on a product table 132 storing determination information for determining whether or not payment can be made using the media for each combination of a product code and multiple media), the payment processing means 105 performs payment processing for the products for which payment can be made using the media. Specifically, when the determination means 104 determines that payment is possible, the payment processing means 105 executes payment processing for the products for which payment can be made.

[0033] The notification means 106 issues guidance indicating that payment is not possible on the specified medium when it is determined based on the product table 132 that payment is not possible for all of the products related to the specific information. Specifically, when the determination means 104 determines that payment is not possible for all of the products, the notification means 106 issues guidance indicating that payment is not possible on the medium. Note that all of the products may be a single product.

[0034] Next, the control of the self-checkout POS terminal 10 will be described. FIG. 6 is a flowchart showing the flow of the control process of the self-checkout POS terminal 10. As shown in FIG. 6, the control unit 100 of the self-checkout POS terminal 10 determines whether a product code for the product has been acquired based on the symbol read by the code reader 27 (S11). If it is determined that a product code has been acquired (Yes in S11), the control unit 100 executes a sales registration process for the product (S12). Also, in S12, the product information storage means 101 stores product codes identifying one or more products for which sales registration processing has been performed in the product information unit 131. In this embodiment, for example, it is assumed that product codes for three products, product A, product B, and product D, are stored in the product information unit 131. The control unit 100 then returns to S11.

[0035] Furthermore, if it is determined that the operation is not to obtain a product code (No in S11), the control unit 100 determines whether the end key 211 has been operated (S13). If it is determined that the end key 211 has been operated (Yes in S13), the control unit 100 searches the product table 132 based on all product codes stored in the product information unit 131 (S14). Then, the determination information acquisition means 103 acquires, for each product code, determination information associated with the product code from the product table 132 and stores the information in the payment information unit 133 (S15). In this embodiment, the determination information related to product A, product B, and product D is stored. Note that, if it is determined that the operation is not to obtain the end key 211 (No in S13), the control unit 100 returns to S11.

[0036] Next, the control unit 100 displays the media that can be used in the store on the display unit 23 (S21). FIG. 7 shows a screen in which the available media is displayed on the display unit 23 in S21. As shown in FIG. 7, the display unit 23 displays a cash key 231, an electronic money key 232, and a credit card key 233. To pay with cash, operate the cash key 231. To pay with electronic money, operate the electronic money key 232. To pay with a credit card, operate the credit card key 233. Also in FIG. 7, the display unit 23 displays guidance M1 that prompts the user to operate either the cash key 231, the electronic money key 232, or the credit card key 233. The guidance M1 is, for example, "Please select the payment method."

[0037] Returning to the explanation of Figure 6, next, the control unit 100 determines whether any of the cash key 231, electronic money key 232, or credit card key 233 has been operated (whether any medium has been specified) (S22). The control unit 100 waits until any of the keys has been operated (No in S22), and if it determines that any of the keys has been operated (Yes in S22), the payment method designation unit 102 stores information indicating the medium associated with the operated media key in the media storage unit 135 (S23). In other words, the payment method designation unit 102 accepts information on the one specified medium.

[0038] Next, the control unit 100 determines whether a credit card has been designated (i.e., whether the information stored in the media storage unit 135 is credit key information) (S24). If it is determined that a credit card has been designated (Yes in S24), the control unit 100 displays the credit cards that can be used at the store on the display unit 23 (S25). FIG. 8 shows the credit card screen displayed on the display unit 23 in S25. FIG. 8 displays six types of keys: a key 2331 for designating card a, a key 2332 for designating card b, a key 2333 for designating card c, a key 2334 for designating card d, a key 2335 for designating card e, and a key 2336 for designating card f. The customer operates any of the keys to designate the credit card to be used. In this embodiment, it is assumed that card b has been designated. Furthermore, the display unit 23 displays guidance M2 that prompts the customer to designate the credit card to be used. The guidance M2 is, for example, "Please designate a credit card."

[0039] Returning to the explanation of Figure 6, the control unit 100 determines whether any credit card has been designated (S26). The control unit 100 waits until any credit card has been designated (No in S26), and if it is determined that any credit card has been designated (Yes in S26), the payment method designation unit 102 accepts information about the designated credit card (S27). Specifically, the payment method designation unit 102 stores information about the credit card associated with the operated key from among the various media keys displayed on the display unit 23 in the media storage unit 135 (S27).

[0040] Next, the determination means 104 determines whether or not payment can be made for the products with product codes stored in the product information unit 131 using the media stored in the media storage unit 135, based on the determination information stored in the payment information unit 133 (S28). In this embodiment, it determines whether payment can be made for products A, B, and D using card b. If it is determined that payment is possible (Yes in S28), the payment processing means 105 executes payment processing for the products with product codes stored in the product information unit 131 that can be paid for (S29). In this embodiment, because payment can be made for products B and D using card b, the payment processing means 105 executes payment processing for products B and D in the processing of S29. In addition, the control unit 100 deletes the product codes and product information of products B and D that have been paid for from the product information unit 131. At this point, product A is an unpaid product. Therefore, the product code and product information for product A remain stored in the product information unit 131. If it is determined in S24 that a credit card has not been specified (No in S24), the determination means 104 makes a determination in S28 without executing the processes of S25 to S27.

[0041] Next, the control unit 100 determines whether there are any unpaid items (S30). The control unit 100 determines that there are any unpaid items if the product information unit 131 stores product codes and product information. If it determines that there are any unpaid items (Yes in S30), the control unit 100 calculates the total amount of the unpaid items based on the product information stored in the product information unit 131 and displays it on the display unit 23 (S31). FIG. 9 shows the display unit 23 displaying guidance and the total amount for the unpaid items. The display unit 23 displays guidance M1, guidance M3 indicating that there are unpaid items including the total amount for the unpaid items, the cash key 231, the electronic money key 232, and the credit card key 233. The customer recognizes that there are unpaid items based on the displayed guidance M3, and operates one of the cash key 231, the electronic money key 232, or the credit card key 233 to specify the payment medium for the unpaid items. The control unit 100 then returns to S22 and waits for a new medium to be specified. In this embodiment, since product A is still unpaid, the process waits for the designation of new media to be used for product A. Product A can be paid for with cash or card a, so when the customer designates cash or card a, the payment processing means 105 performs payment processing for product A. On the other hand, if it is determined that there are no unpaid products (No in S30), the control unit 100 ends the process because payments for all products have been completed.

[0042] Furthermore, if it is determined in S28 that all products with product codes stored in the product information unit 131 cannot be paid for using the media stored in the media storage unit 135 (No in S28), the notification means 106 displays (notifies) guidance indicating that payment is not possible using the specified media (S32). FIG. 10 shows the display unit 23 displaying guidance indicating that payment is not possible using the specified media. The display unit 23 displays guidance M1, guidance M3, and guidance M5 indicating that payment is not possible using the specified media. For example, if product A and product C are purchased and card B is specified, guidance M5 is displayed. One example of guidance M5 is "Payment cannot be made with this credit card." The control unit 100 then executes the process of S31.

[0043] As a modification of the display of S31, in addition to the guidance M3, the media that can be used to pay for the unpaid item may also be displayed. Fig. 11 shows a modified guidance M6 that adds information about the media that can be used to pay for the unpaid item to the display of Fig. 9. For example, if the unpaid item is product A, the guidance M6 may say, "Please use cash or card A."

[0044] The self-service POS terminal 10 of this embodiment includes: a product information storage means 101 that stores product codes (specific information) identifying one or more products for which sales registration processing has been performed in a product information unit 131 (storage unit); a payment method designation means 102 that accepts a single designated medium; a payment processing means 105 that processes payments for products that can be paid for using the designated medium when it is determined that some or all of the products associated with the product code can be paid for using the designated medium based on a product table 132 that stores determination information for determining whether the product can be paid for using the designated medium for each combination of a product code and multiple media; and a notification means 106 that issues guidance indicating that payment using the designated medium is not possible when it is determined based on the product table 132 that all of the products associated with the product code cannot be paid for using the designated medium. If payment using the designated medium is possible for one or more products for which sales registration processing has been performed, the self-service POS terminal 10 executes payment processing for the products; and if payment using the designated medium is not possible for all products, the self-service POS terminal 10 issues guidance indicating that payment using the designated medium is not possible. This makes it possible to expand the range of media that can be used.

[0045] Although the embodiments and modifications of the present invention have been described above, these embodiments and modifications are presented as examples and are not intended to limit the scope of the invention. These novel embodiments and modifications can be embodied in various other forms, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and modifications are included within the scope and spirit of the invention, and are also included in the inventions and their equivalents as defined in the claims.

[0046] For example, in the embodiment, the self-service POS terminal 10 is used as an example of the payment terminal. However, the payment terminal is not limited to this, and may be a payment terminal in a normal POS terminal or a semi-self-service POS terminal.

[0047] In the embodiment, the self-checkout POS terminal 10 is configured to include the product table 132. However, the present invention is not limited to this, and the product table 132 may be configured to be included in the server 20, for example.

[0048] In the embodiment, the product table 132 stores determination information for determining whether a product can be paid for with the media for each combination of a product code and multiple media. However, this is not limited to this, and for example, usable media may be stored in association with each product. In this case, the determination means 104 determines that payment is possible if the specified media is usable media, and determines that payment is not possible if the specified media is not usable media. Conversely, the determination means 104 may store and associate unusable media with each product. In this case, the determination means 104 determines that payment is not possible if the specified media is unusable media, and determines that payment is possible if the specified media is not unusable media.

[0049] The program executed by the self-service POS terminal 10 of the embodiment is provided as a file in an installable or executable format recorded on a computer-readable recording medium such as a CD-ROM, a flexible disk (FD), a CD-R, or a DVD (Digital Versatile Disk).

[0050] The program executed by the self-service POS terminal 10 of the embodiment may be stored on a computer connected to a network such as the Internet and provided by being downloaded via the network. The program executed by the self-service POS terminal 10 of the embodiment may be provided or distributed via a network such as the Internet.

[0051] Furthermore, the program executed by the self-service POS terminal 10 of the embodiment may be provided by being pre-installed in a ROM or the like. [Explanation of symbols]

[0052] 1. Payment terminal 10 Self-service POS terminals 11 CPU 12 ROM 13 RAM 14 Memory section 20 servers 21 Control section 23 Display section 24 Printing section 25 Card Reader 27 Code Reader 100 control section 101 Product information storage means 102 Media Designation Method 103 Judgment information acquisition means 104 Judgment means 105 Payment Processing Methods 106 Notification means 131 Product Information Department 132 Product Table 133 Payment Information Department 134 Unsettled Amount Section 135 Media Storage Unit 211 Exit key 231 Cash Key 232 Electronic Money Key 233 Credit Card Key 1321 Product Code Section [Prior art documents] [Patent documents]

[0053] [Patent Document 1] International Publication No. 2016 / 136110

Claims

1. a product information storage means for storing, in a storage unit, specific information for identifying one or more products for which sales registration processing has been performed; a payment method specifying means for accepting information on one specified payment method; a payment processing means for processing the payment of the products that can be paid for using the payment means when it is determined that some or all of the products related to the specific information can be paid for using the payment means that has been accepted for designation, based on a table storing determination information for determining whether or not payment can be made using the payment means for each of the specific information; a notification means for, when it is determined based on the table that payment for all of the products related to the specific information cannot be made using the designated payment means, issuing a guidance message indicating that payment using the payment means is not possible; A payment device comprising:

2. the notification means notifies information related to unpaid items when unpaid items are stored in the storage unit after the payment process; The payment device according to claim 1 .

3. The notification means notifies the user of unpaid amounts of unpaid items as the information related to the unpaid items. The payment device according to claim 2 .

4. The notification means further notifies, as the information related to the unpaid item, information that the unpaid item can be paid. The payment device according to claim 3 .

5. The table is provided The payment device according to any one of claims 1 to 4.

6. Computers as payment devices a product information storage means for storing, in a storage unit, specific information for identifying one or more products for which sales registration processing has been performed; a payment method specifying means for accepting one specified payment method; a payment processing means for processing the payment of the products that can be paid for using the payment means when it is determined that some or all of the products related to the specific information can be paid for using the payment means that has been accepted for designation, based on a table storing determination information for determining whether or not payment can be made using the payment means for each of the specific information; a notification means for, when it is determined based on the table that payment for all of the products related to the specific information cannot be made using the designated payment means, issuing a guidance message indicating that payment using the payment means is not possible; A program to make it function as such.

Images