Communication system

Abstract

The present invention provides a communication system that enables relatively easy and rapid communication between user terminal devices in communications using two or more user terminal devices. [Solution] The communication system 100 comprises a server 3, an electronic tag 1, a first user terminal device 2 that reads tag identification information from the electronic tag 1 to identify the electronic tag 1, and a second user terminal device 4 that can communicate with the first user terminal device 2. The server 3 comprises an acquisition unit 31 that acquires tag identification information from the first user terminal device 2, a storage unit 32 that stores redirect information linked to the tag identification information, and a control unit 33 that transmits redirect information linked to the acquired tag identification information to the first user terminal device 2. When the first user terminal device 2 receives redirect information from the server 3, the first user terminal device 2 and the second user terminal device 4 become able to communicate.

Description

Technical Field

[0001] The present disclosure relates to a communication system.

Background Art

[0002] In recent years, short-range wireless communication using electronic tags such as NFC (Near Field Communication) tags has been utilized in a variety of fields. Patent Document 1 discloses a system for distributing multimedia content by NFC communication.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] By the way, for example, in communication using an intercom master unit and an intercom slave unit, construction work for pre-installing the intercom master unit and the intercom slave unit is required. However, for example, in a place where wiring work cannot be performed, such hardware devices may not be installed. Also, even in a place where such hardware devices can be installed, the installation work of such hardware devices may take time and cost. In this regard, the conventional communication system had room for improvement.

[0005] An object of the present disclosure is to provide a communication system capable of relatively easily and quickly enabling communication between user terminal devices in communication using two or more user terminal devices.

Means for Solving the Problems

[0006] A communication system according to one aspect for achieving the above object is A communication system comprising a server, an electronic tag, a first user terminal device that reads tag identification information from the electronic tag for identifying the electronic tag, and a second user terminal device capable of communicating with the first user terminal device, The server comprises an acquisition unit that acquires the tag identification information from the first user terminal device, a storage unit that stores redirect information linked to the tag identification information, and a control unit that transmits the redirect information linked to the acquired tag identification information to the first user terminal device. When the first user terminal device receives the redirect information from the server, the first user terminal device and the second user terminal device become able to communicate with each other.

[0007] According to the communication system with the above configuration, the server obtains tag identification information by receiving it from the first user terminal device, which has read the tag identification information from the electronic tag. Subsequently, the server transmits redirect information associated with the received tag identification information to the first user terminal device. When the first user terminal device receives the redirect information from the server, the first user terminal device and the second user terminal device become able to communicate. Therefore, for example, even if hardware equipment capable of communicating with the second user terminal device cannot be installed, or if the installation of such hardware equipment takes time, the first user terminal device and the second user terminal device can be made able to communicate by installing an electronic tag instead of the hardware equipment. In this way, the communication system with the above configuration makes it possible to enable communication between two user terminal devices relatively easily and quickly. [Effects of the Invention]

[0008] According to this disclosure, it is possible to provide a communication system that enables communication between two or more user terminal devices relatively easily and quickly. [Brief explanation of the drawing]

[0009] [Figure 1] Figure 1 is a configuration diagram showing an example of a communication system related to this disclosure. [Figure 2] Figure 2 illustrates the tag identification information, redirection information, and facility information stored in the memory unit. [Figure 3] Figure 3 is a flowchart illustrating the information processing method performed in the first embodiment. [Figure 4] Figure 4 is a flowchart illustrating the information processing method performed in the second embodiment. [Figure 5] Figure 5 is a sequence diagram illustrating the information processing method performed in the third embodiment. [Modes for carrying out the invention]

[0010] (Overall structure) Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings. Figure 1 is a configuration diagram showing an example of a communication system 100 according to the present disclosure. As illustrated in Figure 1, the communication system 100 comprises a plurality of electronic tags 1, a first user terminal device 2, a server 3, and a second user terminal device 4. In this embodiment, the communication system 100 comprises a plurality of electronic tags 1, but it may also comprise a single electronic tag 1. The first user terminal device 2, the server 3, and the second user terminal device 4 may be connected to each other in a manner that enables communication, for example, via a communication network N such as the Internet.

[0011] Electronic tag 1 is a tag that utilizes RFID (Radio Frequency Identification) technology to read and write data on an IC chip within the tag without contact using radio waves. "NFC tag" is one of the standards for electronic tags, and the following embodiment describes an example using an NFC tag as the electronic tag, but the electronic tag is not limited to NFC tags. Electronic tag 1 is, for example, an NFC tag. An NFC tag is a tag that uses a frequency of 13.56 MHz and uses short-range wireless communication of about 10 cm, which is relatively shorter than other RFID tags. However, electronic tag 1 is not limited to an NFC tag, and may be any other electronic tag that uses short-range wireless communication of a similar degree as an NFC tag. Electronic tag 1 is, for example, a sheet-type tag or a card-type tag, and is relatively thin. Each electronic tag 1 has tag identification information for identifying electronic tag 1. The tag identification information is, for example, an identification number (ID) assigned to each electronic tag 1. Electronic tag 1 can communicate wirelessly with, for example, a first user terminal device 2. Furthermore, the electronic tag 1 may be designed to correspond to the functions it provides. Examples of functions provided by the electronic tag 1 include intercom functionality and emergency call functionality. If the function provided by the electronic tag 1 is, for example, intercom functionality, then the electronic tag 1 will be designed to resemble an intercom.

[0012] The first user terminal device 2 is, for example, an information terminal device such as a smartphone. The first user terminal device 2 is operated by the first user (the user of the first user terminal device 2). When the first user terminal device 2 communicates with the electronic tag 1 via short-range wireless communication, it reads the tag identification information from the electronic tag 1. After reading the tag identification information from the electronic tag 1, the first user terminal device 2 transmits the tag identification information to the server 3. When the first user terminal device 2 receives the redirect information described later from the server 3, it becomes ready to communicate with the second user terminal device 4. Note that the ready-to-communicate state includes the fact that the first user terminal device 2 and the second user terminal device 4 are in a state where they can make a call.

[0013] The first user terminal device 2 stores language information indicating the language used on the first user terminal device 2. The language used is determined, for example, by the first user setting the language of the OS (Operating System). Once the language used is determined, the first user terminal device 2 stores language information indicating the determined language used. When the first user terminal device 2 reads the tag identification information from the electronic tag 1, it transmits the language information to the server 3.

[0014] Server 3 comprises an acquisition unit 31, a storage unit 32, and a control unit 33. These are connected to each other via a bus 34 so that they can communicate with one another.

[0015] The acquisition unit 31 acquires tag identification information and language usage information from the first user terminal device 2 via the communication network N. The acquisition unit 31 transmits the acquired tag identification information and language usage information to the control unit 33.

[0016] The storage unit 32 is, for example, a storage device such as an HDD (Hard Disk Drive), SSD (Solid State Drive), or flash memory. The storage unit 32 stores redirect information and facility information, linked to tag identification information, as illustrated in Figure 2. The redirect information includes, for example, URL information and redirect destination information. The redirect destination information is, for example, information indicating what kind of web page the URL indicated by the URL information is for. Redirect information can also be prepared in advance for each language (Japanese, English, etc.). The facility information indicates the facility where the second user terminal device 4 is installed. Examples of facilities include medical facilities such as hospitals, residential facilities such as apartments, offices, department stores, sports gyms, and other commercial facilities. The facility information includes, for example, facility name information indicating the name of the facility where the second user terminal device 4 is installed, and facility address information indicating the address of the facility. The redirect information and facility information can be edited (created, modified, deleted) by the second user.

[0017] Returning to FIG. 1, the control unit 33 will be described. As a hardware configuration, the control unit 33 includes a memory 331 and a processor 332. The memory 331 is composed of, for example, a ROM (Read Only Memory) in which various computer programs and the like are stored, a RAM (Random Access Memory) having a plurality of work areas in which various computer programs to be executed by the processor 332 are stored, and the like. The processor 332 is, for example, a CPU (Central Processing Unit), and is configured to expand a computer program specified from various computer programs incorporated in the ROM onto the RAM and execute various processes in cooperation with the RAM.

[0018] Based on the tag identification information acquired by the acquisition unit 31, the control unit 33 generates a first instruction signal for causing the control unit 33 to transmit the redirect information associated with the tag identification information, and transmits the generated first instruction signal to the storage unit 32. Based on the first instruction signal received from the control unit 33, the storage unit 32 transmits the redirect information associated with the tag identification information acquired by the acquisition unit 31 to the control unit 33. In this way, the control unit 33 acquires (receives) the redirect information associated with the tag identification information acquired by the acquisition unit 31 from the storage unit 32. The control unit 33 transmits the received redirect information to the first user terminal device 2.

[0019] Note that the control unit 33 may generate a first instruction signal for causing the control unit 33 to transmit redirect information associated with the tag identification information and associated with the use language information, based on the tag identification information and the use language information, and transmit the generated first instruction signal to the storage unit 32. In this case, the control unit 33 transmits the redirect information associated with the use language information received from the first user terminal device 2 among the plurality of redirect information to the first user terminal device 2 or to the first user terminal device 2 and the second user terminal device 4. For example, when the tag identification information indicates T1 and the use language indicated by the use language information received from the first user terminal device 2 is English, the control unit 33 has a redirect URL of https: / / xxx.co.jp / english / and the redirect destination indicates the unlocking web page (English), and transmits the redirect information to the first user terminal device 2 or to the first user terminal device 2 and the second user terminal device 4.

[0020] Based on the redirect information received from the storage unit 32 and the use language information received from the first user terminal device 2, the control unit 33 generates output data represented in the use language indicated by the use language information. Note that the output data is, for example, character data (visual data) or voice data (auditory data). Therefore, when the use language indicated by the use language information received from the first user terminal device 2 is English and the output data is character data, the output data is, for example, an English message. The control unit 33 transmits the generated output data to the first user terminal device 2 or to the first user terminal device 2 and the second user terminal device 4.

[0021] When the control unit 33 receives an entry permission signal from the second user terminal device 4 (described later), it generates a second instruction signal based on the tag identification information acquired by the acquisition unit 31 to cause the control unit 33 to transmit facility information associated with the tag identification information, and transmits the generated second instruction signal to the storage unit 32. Based on the second instruction signal received from the control unit 33, the storage unit 32 transmits the facility information associated with the tag identification information acquired by the acquisition unit 31 to the control unit 33. In this way, the control unit 33 acquires (receives) the facility information associated with the tag identification information acquired by the acquisition unit 31 from the storage unit 32. Based on the facility information associated with the tag identification information acquired by the acquisition unit 31, the control unit 33 generates an unlock request signal to cause the facility indicated by the facility information to be in an unlocked state. The control unit 33 transmits the generated unlock request signal to the second user terminal device 4.

[0022] The second user terminal device 4 is, for example, an intercom system such as an intercom master unit (a so-called room master unit), an information terminal device such as a smartphone, or a computer. The second user terminal device 4 is operated by the second user (the user of the second user terminal device 4). The second user terminal device 4 can communicate with the first user terminal device 2, for example, wirelessly.

[0023] The second user terminal device 4 accepts predetermined operations from the second user. For example, if the second user terminal device 4 is an intercom master unit, and the second user performs a predetermined operation on the second user terminal device 4 to allow the first user to enter, the device generates an entry permission signal based on that operation and transmits the generated entry permission signal to the server 3.

[0024] The second user terminal device 4 can, for example, control the electric lock of the facility where the second user terminal device 4 is installed. In response to an unlock request signal, the second user terminal device 4 unlocks the facility indicated by the facility information linked to the tag identification information acquired by the acquisition unit 31 (i.e., the facility where the second user terminal device 4 is installed). In other words, the second user terminal device 4 can change the state of the electric lock of the facility where the second user terminal device 4 is installed from locked to unlocked in response to an unlock request signal.

[0025] (First example) Next, the information processing method performed in the first embodiment will be described with reference to Figure 3. Figure 3 is a flowchart illustrating the information processing method performed in the first embodiment. In this embodiment, the first user terminal device 2 is the first user's smartphone, and the second user terminal device 4 is an intercom master unit. This embodiment is an example in which the first user visits department store C, which is managed by the second user, while carrying the first user terminal device 2. In other words, in this example, the first user is a visitor to department store C, and the second user is an employee (concierge, etc.) of department store C. Electronic tags 1 are installed in designated locations in department store C (for example, the entrance or rest area). In this embodiment, the server 3 transmits the first redirect URL and the first redirect destination (i.e., the Japanese redirect destination) illustrated in Figure 2 to the first user terminal device 2.

[0026] As illustrated in Figure 3, when the first user brings the first user terminal device 2 close to the electronic tag 1, the first user terminal device 2 communicates with the electronic tag 1 via short-range wireless communication and reads the tag identification information from the electronic tag 1 (STEP 01). In this embodiment, the first user brings their smartphone close to the electronic tag 1 installed at a predetermined location in department store C (see Figure 2). When the first user's smartphone is brought close to the electronic tag 1, the smartphone reads the tag identification information from the electronic tag 1 (STEP 01). The first user terminal device 2 then transmits the tag identification information read from the electronic tag 1 to the server 3 (STEP 02).

[0027] As illustrated in Figure 3, the control unit 33 generates a first instruction signal to send redirect information associated with the tag identification information acquired by the acquisition unit 31 to the control unit 33 (STEP 03). In this embodiment, the acquisition unit 31 acquires tag identification information indicating T3 (see Figure 2). In this case, the control unit 33 generates a first instruction signal to send redirect information to the control unit 33 indicating that the redirect URL is https: / / zzz.co.jp and the redirect destination is a web page for making calls. The web page for making calls is a web page for making calls between the first user and the second user via the first user terminal device 2 and the second user terminal device 4. Subsequently, the control unit 33 obtains the redirect information from the storage unit 32 by sending the generated first instruction signal to the storage unit 32 (STEP 04).

[0028] As illustrated in Figure 3, the control unit 33 transmits the redirect information received from the storage unit 32 to the first user terminal device 2 (STEP 05). When the first user terminal device 2 receives the redirect information from the server 3, the website etc. related to the redirect URL indicated by the redirect information is displayed on the display unit of the first user terminal device 2, and the first user terminal device 2 and the second user terminal device 4 become ready to communicate (STEP 06). In this embodiment, the control unit 33 transmits the redirect information received from the storage unit 32 to the first user's smartphone (STEP 05). When the first user's smartphone receives the redirect information from the server 3, the website for communication related to https: / / yyy.co.jp is displayed on the display unit of the first user's smartphone, and the first user's smartphone and the second user's intercom master unit become ready to communicate (STEP 06).

[0029] According to the communication system 100 with the above configuration, when the first user terminal device 2 (the first user's smartphone) receives redirect information from the server 3, the first user terminal device 2 and the second user terminal device 4 (the second user's intercom master unit) become ready to communicate. Therefore, for example, even if an intercom sub-unit is not installed in a designated location in department store C, the first user can communicate with the second user simply by bringing their smartphone close to the electronic tag 1 installed in department store C. In other words, even if it takes time to install an intercom sub-unit in a designated location in department store C, the first user and the second user can quickly and easily communicate by installing the electronic tag 1 in place of the intercom sub-unit in that location in department store C. Thus, the communication system 100 makes it possible to communicate between two user terminal devices (the first user's smartphone and the second user's intercom master unit) relatively easily and quickly.

[0030] (Second embodiment) Next, a second embodiment will be described with reference to Figure 4. Figure 4 is a flowchart illustrating the information processing method performed in the second embodiment. In this embodiment, parts similar to those in the first embodiment will be described using the same reference numerals as in the first embodiment, and explanations of overlapping parts will be omitted as appropriate. This embodiment differs from the first embodiment in that the server 3 transmits redirect information to the first user terminal device 2 that is associated with the language information received from the first user terminal device 2, based on a plurality of redirect information. This embodiment also differs from the first embodiment in that when the first user brings the first user terminal device 2 close to the electronic tag 1, the server 3 transmits not only redirect information but also output data (voice data in this embodiment) to the first user terminal device 2.

[0031] As illustrated in Figure 4, STEP 11 is the same as STEP 01 in the first embodiment.

[0032] In STEP 12, the first user terminal device 2 transmits the tag identification information read from the electronic tag 1 and the language information indicating the language used on the first user terminal device 2 to the server 3 (STEP 02). In this embodiment, the language information indicating the language set by the first user in the OS language settings on their smartphone is transmitted to the server 3. In this embodiment, the language set by the first user in the OS language settings on their smartphone is assumed to be English.

[0033] The control unit 33 of server 3 generates a first instruction signal (STEP 13) to send redirect information linked to the tag identification information and associated with the language information, based on the tag identification information and language information used. The control unit 33 transmits the generated first instruction signal to the storage unit 32, thereby obtaining the redirect information linked to the tag identification information and associated with the language information used, acquired by the acquisition unit 31, from the storage unit 32 (STEP 14). In this embodiment, the tag identification information indicates T3, and the language used indicated by the language information is English, so the control unit 33 generates a first instruction signal (STEP 13) to send redirect information to the control unit 33 indicating that the redirect URL is https: / / zzz.co.jp / english / (see Figure 2) and the redirect destination is a web page for phone calls (English) (see Figure 2). Subsequently, the control unit 33 transmits the generated first instruction signal to the storage unit 32, thereby obtaining the redirect information from the storage unit 32 (STEP 14).

[0034] As illustrated in Figure 4, the control unit 33 generates output data expressed in the language indicated by the language information, based on the redirection information received from the storage unit 32 in STEP 14 and the language information received from the first user terminal device 2 in STEP 12 (STEP 15). In this embodiment, since the language indicated by the language information is English, the control unit 33 generates English audio data (STEP 15).

[0035] The control unit 33 transmits redirect information and output data to the first user terminal device 2 (STEP 16). When the first user terminal device 2 receives the redirect information and output data from the server 3, for example, the website related to the redirect URL indicated by the redirect information is displayed on the display unit of the first user terminal device 2, the output data is output from the output unit of the first user terminal device 2, and the first user terminal device 2 and the second user terminal device 4 become ready for communication (STEP 17). In this embodiment, the control unit 33 transmits redirect information indicating the call website (in English) related to https: / / zzz.co.jp / english / and English output data to the first user's smartphone (STEP 16). When the first user's smartphone receives the redirect information and audio data from the server 3, the English website of the call website related to https: / / zzz.co.jp is displayed on the display unit of the first user's smartphone, English audio data is output from the output unit of the first user terminal device 2, and the first user's smartphone and the second user's intercom master unit become ready for communication (STEP 17).

[0036] In this embodiment as well, the communication system 100 provides the same effects as in the first embodiment.

[0037] Furthermore, according to the communication system 100 with the above configuration, the control unit 33 of the server 3 transmits to the first user's smartphone (first user terminal device 2) the redirect information that is associated with the language information received from the first user's smartphone, from among the multiple redirect information. As a result, the first user can, for example, view a web page displayed in the language used on the first user's smartphone, making the communication system 100 a highly convenient system for the first user.

[0038] Furthermore, according to the communication system 100 with the above configuration, the control unit 33 generates voice data expressed in the language used as indicated by the language information received from the first user's smartphone, and transmits the generated voice data to the first user's smartphone. In this way, the first user can also use such voice data, making the communication system 100 a highly convenient system for the first user.

[0039] (Third embodiment) Next, a third embodiment will be described with reference to Figure 5. Figure 5 is a sequence diagram illustrating the information processing method performed in the third embodiment. In this embodiment, parts similar to those in the first embodiment will be described using the same reference numerals as in the first embodiment, and explanations of overlapping parts will be omitted as appropriate. This embodiment differs from the first embodiment in that when the first user brings the first user terminal device 2 close to the electronic tag 1, not only do the first user terminal device 2 and the second user terminal device 4 become ready for communication, but the facility where the second user terminal device 4 is installed also becomes unlocked. In this embodiment, the first user is a visitor to apartment building B, and the second user is a resident of apartment building B.

[0040] As illustrated in Figure 5, steps 21 to 26 are the same as steps 01 to 06 in the first embodiment.

[0041] In STEP 26, the first user and the second user communicate via the first user's smartphone (first user terminal device 2) and the second user's intercom master unit (second user terminal device 4). At this time, if the second user determines from the conversation with the first user that the first user is someone who should be allowed to enter, the second user performs a predetermined operation on the second user's intercom master unit to allow the first user to enter. Once the second user performs the predetermined operation on the second user's intercom master unit to allow the first user to enter, an entry permission signal is sent from the intercom master unit to the server 3 (STEP 27).

[0042] When the control unit 33 of server 3 receives an entry permission signal from the second user terminal device 4, it generates a second instruction signal based on the tag identification information acquired by the acquisition unit 31 (STEP 28). The control unit 33 transmits the generated second instruction signal to the storage unit 32, thereby acquiring facility information associated with the tag identification information acquired by the acquisition unit 31 from the storage unit 32 (STEP 29). In this embodiment, the control unit 33 generates a second instruction signal based on the tag identification information indicating T2 (see Figure 2) (STEP 28), and transmits the second instruction signal to the storage unit 32, thereby acquiring facility information associated with the tag identification information from the storage unit 32 (STEP 29). Therefore, the facility information acquired by the control unit 33 in this embodiment is information indicating that the facility name is apartment building B, the address of apartment building B is "Minato-ku, Tokyo...", etc., as illustrated in Figure 2.

[0043] As illustrated in Figure 5, the control unit 33 generates an unlock request signal to unlock the facility indicated by the facility information, based on the facility information associated with the tag identification information acquired by the acquisition unit 31 (STEP 30). The control unit 33 transmits the generated unlock request signal to the second user terminal device 4 (STEP 31). In this embodiment, the control unit 33 generates an unlock request signal to unlock the facility (apartment building B) indicated by the facility information, based on the facility information associated with the tag identification information indicating T2 (STEP 30). Then, the control unit 33 transmits the generated unlock request signal to the second user's intercom master unit (second user terminal device 4) (STEP 31).

[0044] When the second user terminal device 4 receives an unlock request signal, it unlocks the facility indicated by the facility information associated with the tag identification information acquired by the acquisition unit 31 in response to the unlock request signal (STEP 32). In this embodiment, the second user's intercom master unit unlocks the facility (apartment building B) indicated by the facility information associated with the tag identification information indicating T2 in response to the unlock request signal (STEP 32).

[0045] In this embodiment as well, the communication system 100 provides the same effects as in the first embodiment.

[0046] Furthermore, according to the communication system 100 with the above configuration, the control unit 33 transmits an unlock request signal generated based on facility information associated with the tag identification information acquired by the acquisition unit 31 to the second user's intercom master unit (second user terminal device 4). The second user's intercom master unit unlocks apartment building B (the facility indicated by the facility information) in response to the unlock request signal received from the server 3. Therefore, according to the communication system 100, the first user can unlock apartment building B simply by bringing their smartphone close to the electronic tag 1 installed in apartment building B. In this way, the communication system 100 allows for the unlocking of facilities in a simple manner.

[0047] The embodiments described above are provided to facilitate understanding of this disclosure and do not limit it. This disclosure may be modified or improved without departing from its intent.

[0048] In the embodiments described above, each example was explained using the example of a first user carrying the first user terminal device 2 while visiting department store C (commercial facility) where the second user works or apartment building B where the second user lives. However, the disclosure is not limited to this example. For example, the disclosure is also applicable when a first user carries the first user terminal device 2 while visiting a medical facility or the like where the second user terminal device 4 is installed.

[0049] In the embodiments described above, each example was explained using an example in which the first user's smartphone (first user terminal device 2) and the second user's intercom master unit (second user terminal device 4) can communicate with each other. However, the disclosure is not limited to this example as long as the first user terminal device 2 and the second user terminal device 4 can communicate with each other.

[0050] In the second embodiment, the control unit 33 of the server 3 does not need to generate output data. In this case, the control unit 33 does not execute STEP 15, and in STEP 16, only redirect information is sent to the first user terminal device 2.

[0051] In the above embodiment, the control unit 33 transmits redirect information, or redirect information and output data, to the first user terminal device 2. However, redirect information, or redirect information and output data, may be transmitted to both the first user terminal device 2 and the second user terminal device 4.

[0052] In the second embodiment, the language used, as indicated by the language information, is English, but it may be another language such as Chinese or Spanish.

[0053] In the third embodiment, if the first user has obtained permission from the second user to enter the apartment building B before visiting, the second user's intercom master unit may unlock apartment building B in response to the unlock request signal received from the server 3, even if the first user does not obtain permission from the second user through a phone call. In other words, in this case, STEP 27 in Figure 5 does not need to be executed. That is, in this case, the control unit 33 of the server 3 may send redirect information to the first user terminal device 2 (STEP 25), and then generate a second instruction signal based on the tag identification information acquired by the acquisition unit 31 (STEP 28). [Explanation of symbols]

[0054] 1: Electronic tag, 2: First user terminal device, 3: Server, 4: Second user terminal device, 31: Acquisition unit, 32: Storage unit, 33: Control unit, 34: Bus, 100: Communication system, 331: Memory, 332: Processor

Claims

1. A communication system comprising a server, an electronic tag, a first user terminal device that reads tag identification information from the electronic tag for identifying the electronic tag, and a second user terminal device capable of communicating with the first user terminal device, The server comprises an acquisition unit that acquires the tag identification information from the first user terminal device, a storage unit that stores redirect information linked to the tag identification information, and a control unit that transmits the redirect information linked to the acquired tag identification information to the first user terminal device. A communication system in which, when the first user terminal device receives the redirect information from the server, the first user terminal device and the second user terminal device become capable of communicating with each other.

2. The communication system according to claim 1, wherein the communication-enabled state includes the first user terminal device and the second user terminal device being in a call-enabled state.

3. The first user terminal device stores language information indicating the language used in the first user terminal device. When the first user terminal device reads the tag identification information from the electronic tag, it transmits the language used information to the server. The communication system according to claim 1 or 2, wherein the control unit transmits to at least the first user terminal device the redirect information, among a plurality of redirect information, that is associated with the language information received from the first user terminal device.

4. The control unit generates output data expressed in the language used as indicated by the language used information, The communication system according to claim 3, wherein the control unit transmits the generated output data to at least the first user terminal device.

5. The storage unit stores facility information indicating the facility where the second user terminal device is installed, linked to the tag identification information. The control unit generates an unlock request signal to unlock the facility based on the facility information associated with the acquired tag identification information, The control unit transmits the generated unlock request signal to the second user terminal device. The communication system according to claim 1 or 2, wherein the second user terminal device puts the facility into an unlocked state in response to the unlock request signal.

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