JP2010212816A - Communication system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To predict the latest location of a partner and to narrow down a range for finding the partner even in case of a failure in making contact with the partner through a cellular phone etc. <P>SOLUTION: A management server receives a first ID, an ID reader identifier, and a check time in time series from an ID reader group having communicated with a first ID tag among a plurality of ID readers, and stores them in time series in an ID reader check list table. A user terminal transmits a retrieval request including the first ID to the management server, which reads out an ID reader identifier of an ID reader group, corresponding to the first ID included in the retrieval request, among ID reader identifiers stored in the ID reader check list table, and the check time. The management server reads out an ID reader installation place name group, corresponding to the ID reader identifier of the ID reader group, among ID reader installation place names stored in an ID reader installation place table, and transmits a retrieval result, showing the first ID, ID reader installation place name group, and check time in time series, to the user terminal. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a contact system applied when a mobile phone or the like cannot contact a partner.

  In modern ski resorts, it is possible to communicate with a mobile phone anywhere. For example, when you are sliding with a partner and you want to contact that partner, you contact the other party's mobile phone. However, depending on the other party's body moving or the surrounding environment (music, noise, noise), the mobile phone may not notice ringtones or vibrations at all.

  In that case, the only way to contact the other person is when he / she checks the mobile phone at a certain moment, or searches around the ski area to find the other person. However, it is not easy to find the ski area because it is large.

  Introduces literature on user management.

  Japanese Patent Application Laid-Open No. 2001-223798 describes a contact support method such as lost or waiting in a venue. The contact support method such as lost / waiting in the venue uses a plurality of terminals consisting of public telephones and various gates arranged in the venue area, and the information on the entrance ticket is managed by the management server. The IC card has a unique ID that can be used as an auto-dial telephone card in which the telephone number is stored, and registers a group with the management server when an admission ticket is issued. As a result, when the admission ticket is used in public telephones and various gates, the information held by the admission ticket and the public telephone using the admission ticket are stored in association with friends in the group in advance. And the information held by various gates are sent to the management server to perform any of the following processes: group search, comprehension of lost children, lost child search, and designation of meeting place.

  Japanese Unexamined Patent Application Publication No. 2006-163788 describes a visitor management method. The attendee management method is for managing the visitors to the closed space facility. This attendee management method is based on the entrance of a closed space facility and the entrance that the attendant possesses each time a wireless terminal having an IC tag sensor arranged in each area that divides the closed space facility into a plurality of areas. User data based on each information of registration ID, area, and sensing time is read from the IC tag built in the ticket, and the user data transmitted from the wireless terminal is stored in the visitor management database provided in the information management server. And managing the visitors by displaying the contents of the visitor management database on the information terminal for managers.

  Japanese Patent No. 3553014 describes a player registration management device for a game arcade. A gaming hall player registration management device includes a terminal, a reading means, a group information storage means, a gaming machine reading means, a player information storage means, a call data creation means, a call data display means, A message display means and a message output means are provided. The terminal is installed in the amusement hall, and the player registers a fellow player as a group, confirms the location of the fellow registered player, and sends a message to the fellow registered player. Use for. The reading means is provided in the terminal and reads personal information stored in a portable storage medium. The group information storage means groups a plurality of players based on personal information from the reading means when a registration signal output from the terminal is input in response to a group registration operation of the players with respect to the terminal. Remember. The gaming machine reading means is provided in one-to-one correspondence with the gaming machines and reads personal information stored in the storage medium. The player information storage means stores the player and the gaming machine in which the player is playing based on the personal information read by the gaming machine reading means. The call data creation means, when receiving a call signal output from the terminal in response to a group call operation of the player to the terminal, the group based on the stored information of the group information storage means and the player information storage means Call data indicating the correspondence between the registered player and the gaming machine that the player is playing is created. The call data display means displays the call data created by the call data creation means. Message display means are provided in a one-to-one correspondence in the vicinity of the gaming machine. The message output means, when a message request signal output from the terminal is input in response to the player's message transmission operation to the terminal, the player indicated by the call data displayed on the call data display means plays a game. A predetermined message is output to message display means corresponding to the gaming machine.

JP 2001-223798 A JP 2006-163788 A Japanese Patent No. 3553014

  An object of the present invention is to provide a communication system that can predict the latest whereabouts of a partner and narrow down the range of searching for the partner even if the cellular phone or the like cannot be contacted.

The contact system of the present invention includes a first ID tag, a plurality of ID readers, a management server, and a user terminal. The first ID tag is issued in advance for use by the first user, and holds a first ID for identifying itself. The plurality of ID readers are installed at a plurality of installation locations, respectively, and hold ID reader identifiers for identifying themselves. The plurality of ID readers read the first ID from the first ID tag when the distance between the first ID tag carried by the first user and itself is a predetermined distance, the first ID, the ID reader identifier, and A check time indicating the time is transmitted. The management server is connected to a plurality of ID readers via a network. The user terminal is used by a second user whose first ID is previously notified by the first user, and is connected to the management server via the Internet.
The management server includes an ID reader check list table and an ID reader installation location table. In the ID reader installation location table, the ID reader identifier of each of the plurality of ID readers and the ID reader installation location name representing each of the plurality of installation locations are stored in association with each other.
First, location registration processing is executed. The management server receives, in time series, a first ID, an ID reader identifier, and a check time from an ID reader group that has communicated with the first ID tag among a plurality of ID readers, and receives them in time series as an ID reader check list table To store.
Next, position confirmation processing is executed. The user terminal transmits a search request including the first ID to the management server. The management server receives the search request from the user terminal, and among the ID reader identifiers stored in the ID reader check list table, the ID reader identifier and check time of the ID reader group corresponding to the first ID included in the search request And read. The management server reads the ID reader installation location name group corresponding to the ID reader identifier of the ID reader group from the ID reader installation location names stored in the ID reader installation location table, and the first ID and the ID reader installation location name group And a search result representing the check time in time series is transmitted to the user terminal.

The communication system according to the present invention further includes a plurality of message display units and a second ID tag. The plurality of message display units are installed at a plurality of installation locations, respectively, and are connected to a plurality of ID readers. The second ID tag is issued in advance for use by the second user and holds a second ID for identifying itself. The management server further includes a message list table.
First, a message input process is executed. The user terminal transmits a message input request including a first ID as a destination ID, a second ID as a sender ID, and a message addressed to the first user as a message to the first user to the management server. The management server receives the message input request from the user terminal, and stores the first ID, the sender ID, the message addressed to the first user, and the message registration time indicating the time at that time included in the message list table. To do.
Next, location registration processing and message notification processing are executed. When the distance between the first ID tag carried by the first user and one of the plurality of ID readers is a predetermined distance, one ID reader reads the first ID from the first ID tag, and the ID A reader identifier and a check time representing the time at that time are transmitted. The management server receives the first ID, ID reader identifier, and check time from the one ID reader, and stores them in the ID reader check list table. The management server selects the message addressed to the first user corresponding to the first ID from the messages stored in the message list table, and the message registration time is the latest time, and the message addressed to the first user is To one ID reader. The one ID reader displays a message addressed to the first user on a message display unit connected to one ID reader among the plurality of message display units.

  In the communication system of the present invention, since the location registration process is executed, the location of the first user is communicated in time series. Therefore, the location confirmation process is executed, so that the second user is the first user. You can see where (the other party) was recently. Thereby, even if it becomes impossible to contact the other party with a mobile phone or the like, the latest whereabouts can be predicted from the trace of the other party's movement, and the search range for the other party can be narrowed down.

  In the communication system of the present invention, since the second user can send a message to the first user (partner) by executing the message input process, the location registration process and the message notification process are executed. The partner can confirm the message at a position that is easily noticeable from the place when the ID is checked. Therefore, even if it becomes impossible to communicate with the other party using a mobile phone or the like, it is possible to wait by sending a message to the other party.

FIG. 1 shows a configuration of a communication system according to an embodiment of the present invention. FIG. 2 shows the configuration of each of the plurality of ID readers 2-1 to 2-6. FIG. 3 shows the configuration of the user terminal 5. FIG. 4 shows the configuration of the management server 4. FIG. 5 shows the user list table 46. FIG. 6 shows the ID reader check list table 47. FIG. 7 shows the message list table 48. FIG. 8 shows the ID reader installation location table 49. FIG. 9 shows the ID, ID reader identifier, and check time transmitted from the ID reader 2-1 to the management server 4. FIG. 10 shows a login screen 61. FIG. 11 shows the search input screen 62. FIG. 12 shows a search result screen 63. FIG. 13 shows a message input screen 64. FIG. 14 shows a message displayed on the message display unit 3-4. FIG. 15 is a flowchart showing location registration / message notification processing as the operation of the contact system according to the embodiment of the present invention. FIG. 16 is a flowchart showing an authentication process as an operation of the contact system according to the embodiment of the present invention. FIG. 17 is a flowchart showing a position confirmation process as the operation of the communication system according to the embodiment of the present invention. FIG. 18 is a flowchart showing message input processing as the operation of the contact system according to the embodiment of the present invention.

  Hereinafter, a contact system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[Constitution]
FIG. 1 shows a configuration of a communication system according to an embodiment of the present invention. The contact system according to the embodiment of the present invention includes a first ID tag 1-1, a second ID tag 1-2, a plurality of ID readers, a plurality of message display units, a management server 4, and a user terminal 5. is doing.

  The first ID tag 1-1 holds a first ID for identifying itself. The first ID tag 1-1 is issued in advance by a manager who manages the management server 4 in order to be used by the first user A. Further, the first ID is notified to the first user A in advance by the management company.

  The second ID tag 1-2 holds a second ID for identifying itself. The second ID tag 1-2 is issued in advance by the manager for use by the second user B. The second ID is notified in advance to the second user B by the management company.

  The first ID tag 1-1 and the second ID tag 1-2 may be an IC chip-mounted card that holds an ID, or a shape such as a badge or a badge using a barcode, QR code, or the like as the ID.

  It is assumed that there are six ID readers, and these are referred to as ID readers 2-1 to 2-6. The plurality of ID readers 2-1 to 2-6 are installed at a plurality of installation locations 8-1 to 8-6, respectively, and hold ID reader identifiers for identifying themselves. For example, when the distance between the first ID tag 1-1 carried by the first user A and the self is a predetermined distance, the plurality of ID readers 2-1 to 2-6 has the first ID tag 1-1 to the first ID. And the ID reader identifier and a check time indicating the time at that time are transmitted.

  It is assumed that there are six message display units, and these are referred to as message display units 3-1 to 3-6. The plurality of message display units 3-1 to 3-6 are installed in a plurality of installation locations 8-1 to 8-6, respectively, and are connected to the plurality of ID readers 2-1 to 2-6, respectively.

  It is assumed that the plurality of ID readers 2-1 to 2-6 and the plurality of message display units 3-1 to 3-6 are provided at the ski resort. In this case, the 1st ID tag 1-1 and the 2nd ID tag 1-2 shall be used as a lift ticket.

  The management server 4 is connected to a plurality of ID readers 2-1 to 2-6 via the network 6.

  The user terminal 5 is used by the second user B, for example, and is connected to the management server 4 via the Internet 7. Web pages are used on the Internet 7.

  It is assumed that the first user A and the second user B teach each other ID. That is, it is assumed that the second user B is notified in advance of the second ID by the second user B. The second user B is notified of the first ID by the first user A in advance.

  FIG. 2 shows the configuration of each of the plurality of ID readers 2-1 to 2-6. The ID reader 2-j (j = 1, 2,..., 6) is a computer, and includes a CPU (Central Processing Unit) 20 and a storage unit 21 that is a recording medium. The storage unit 21 stores a computer program 22 to be executed by a computer and the above-described ID reader identifier. The CPU 20 reads and executes the computer program 22 from the storage unit 21 at the time of startup or the like.

  FIG. 3 shows the configuration of the user terminal 5. The user terminal 5 is a mobile terminal such as a personal computer or a mobile phone, and includes a CPU 50, a storage unit 51 that is a recording medium, an input unit 54, and a display unit 55. The storage unit 51 stores a computer program 52 that is executed by a computer. The CPU 50 reads and executes the computer program 52 from the storage unit 51 at the time of startup or the like.

  FIG. 4 shows the configuration of the management server 4. The management server 4 is a computer and includes a CPU 40 and a storage unit 41 that is a recording medium. The storage unit 41 stores a computer program 42 and a database 45 that are executed by a computer. The CPU 40 reads and executes the computer program 42 from the storage unit 41 at the time of startup or the like.

  The database 45 includes a user list table 46, an ID reader check list table 47, a message list table 48, and an ID reader installation location table 49.

  FIG. 5 shows the user list table 46. The user list table 46 includes a plurality of users A, B,..., A plurality of IDs “0000000a1”, “0000000a2”,..., And a plurality of passwords “a1a1”, “pass” predetermined by a plurality of users. Are stored in association with each other. Here, the ID “0000000a1” is referred to as a first ID, and the ID “0000000a2” is referred to as a second ID.

  FIG. 6 shows the ID reader check list table 47. The ID reader check list table 47 stores an ID, an ID reader identifier, and a check time, which will be described later.

  FIG. 7 shows the message list table 48. The message list table 48 stores a destination ID, a sender ID, a message registration time, and a message, which will be described later.

  FIG. 8 shows the ID reader installation location table 49. In the ID reader installation location table 49, ID reader identifiers of the plurality of ID readers 2-1 to 2-6 and ID reader installation location names representing the plurality of installation locations 8-1 to 8-6 correspond to each other. Attached and stored. Here, the ID reader identifiers of the plurality of ID readers 2-1 to 2-6 are referred to as ID reader identifiers “aa01” to “aa06”, respectively. Further, the plurality of installation locations 8-1 to 8-6 are assumed to be landings for the first to third lifts, the entrances of the first and second restaurants, and the entrances of the resting places, respectively. In this case, the ID reader installation location names of the plurality of installation locations 8-1 to 8-6 are referred to as ID reader installation location names “1st to 3rd place”, “No. 1 and 2 restaurants”, and “rest area”, respectively.

[Operation]
FIG. 15 is a flowchart showing location registration / message notification processing as the operation of the contact system according to the embodiment of the present invention.

  First, location registration processing is executed.

  For example, it is assumed that the first user A moves to the first lift while carrying the first ID tag 1-1 and then moves to the second lift. In this case, when the distance between the first ID tag 1-1 carried by the first user A and the self is a predetermined distance, the CPU 20 of the ID reader 2-1 starts with the first ID “0000000a1” from the first ID tag 1-1. ”(Step S1), and as shown in FIG. 9, the first ID“ 0000000a1 ”, the ID reader identifier“ aa01 ”, and the check time“ 12:30 ”indicating the time at that time are transmitted (step S1). S2). The CPU 20 of the ID reader 2-2 reads the first ID “0000000a1” from the first ID tag 1-1 when the distance between the first ID tag 1-1 carried by the first user A and the self is a predetermined distance. (Step S1), the first ID “0000000a1”, the ID reader identifier “aa02”, and the check time “12:45” representing the time at that time are transmitted (Step S2).

  The CPU 40 of the management server 4 includes the first ID “0000000a1” and the ID from the ID reader groups 2-1 and 2-2 communicated with the first ID tag 1-1 among the plurality of ID readers 2-1 to 2-6. The reader identifiers “aa01” and “aa02” and the check times “12:30” and “12:45” are received in time series and stored in the ID reader check list table 47 in time series (step S3).

  Next, message notification processing is executed.

  The CPU 40 refers to the message list table 48 to check whether there is a message addressed to the first user A (step S4). If there is no message addressed to the first user A, the message notification process ends (steps S4-NO, S6-NO).

  FIG. 16 is a flowchart showing an authentication process as an operation of the contact system according to the embodiment of the present invention.

  The CPU 50 of the user terminal 5 transmits a login request to the management server 4 by operating the input unit 54 of the second user B (step S11).

  In response to the login request, the CPU 40 of the management server 4 transmits data representing a login screen 61 including an ID input field and a password input field as shown in FIG. 10 (step S12).

  The CPU 50 of the user terminal 5 displays a login screen 61 on the display unit 55. The CPU 50 inputs the second ID “0000000a2” and the password “pass” of the second user B in the ID input field and the password input field of the login screen 61 by the operation of the input unit 54 of the second user B, respectively. Then, the second ID “0000000a2” and the password “pass” of the second user B respectively input in the password input field are transmitted to the management server 4 (step S13).

  When the second ID “0000000a2” from the user terminal 5 and the password “pass” of the second user B are not stored in association with the user list table 46, the CPU 40 of the management server 4 (step S14—NO). Ignore it or notify the user terminal 5 that it represents an error.

  On the other hand, the CPU 40 of the management server 4 stores the second ID “0000000a2” from the user terminal 5 and the password “pass” of the second user B in association with the user list table 46 (step S14—YES). ), An authentication result permitting communication between the user terminal 5 and the management server 4 is transmitted. That is, login is permitted to the user terminal 5 as an authentication result (step S15).

  FIG. 17 is a flowchart showing a position confirmation process as the operation of the communication system according to the embodiment of the present invention.

  When logging in to the management server 4, the CPU 50 of the user terminal 5 transmits a search input screen request to the management server 4 by operating the input unit 54 of the second user B (step S21).

  In response to the search input screen request, the CPU 40 of the management server 4 transmits data representing the search input screen 62 including the search ID input field as shown in FIG. 11 (step S22).

  The CPU 50 of the user terminal 5 displays the search input screen 62 on the display unit 55. The CPU 50 operates the input unit 54 of the second user B to input the first ID “0000000a1” in the search ID input field of the search input screen 62 and search including the first ID “0000000a1” input in the search ID input field. The request is transmitted to the management server 4 (step S23).

  The CPU 40 of the management server 4 receives a search request from the user terminal 5. The CPU 40 selects the ID reader identifiers “aa01” of the ID reader groups 2-1 and 2-2 corresponding to the first ID “0000000a1” included in the search request from the ID reader identifiers stored in the ID reader check list table 47. , “Aa02” and check times “12:30” and “12:45” are read out. The CPU 40 selects the ID reader groups 2-1 and 2 from the ID reader installation location names “1st to 3rd stops”, “1st and 2 restaurants”, and “rest area” stored in the ID reader installation location table 49. -2 ID reader identifiers “aa01” and “aa02” corresponding to the ID reader installation location name group “No. 1” and “No. 2” are read out. As shown in FIG. 12, the CPU 40 obtains the first ID “0000000a1”, ID reader installation location name group “No. 1 stop”, “No. 2 stop” and check times “12:30”, “12:45”. A search result screen 63 is generated as a search result expressed in time series. The CPU 40 transmits data representing the search result screen 63 to the user terminal 5 (step S24).

  The CPU 50 of the user terminal 5 displays the search result screen 63 on the display unit 55 (step S25).

  FIG. 18 is a flowchart showing message input processing as the operation of the contact system according to the embodiment of the present invention.

  When logging in to the management server 4, the CPU 50 of the user terminal 5 transmits a message input screen request to the management server 4 by operating the input unit 54 of the second user B (step S31).

  In response to the message input screen request, the CPU 40 of the management server 4 transmits data representing the message input screen 64 including the destination ID input field and the message input field as shown in FIG. 13 (step S32).

  The CPU 50 of the user terminal 5 displays a message input screen 64 on the display unit 55. The CPU 50 operates the input unit 54 of the second user B to set the first ID “0000000a1” as the destination ID in the destination ID input field and the message input field of the message input screen 64, and the first user as a message to the first user A. Enter the address message “XX. Go to the first restaurant by 13:00”, the address ID “0000000a1” entered in the address ID input field and the message input field, and the message “XX” for the first user. The message input request including the second ID “0000000a2” as the sender ID is transmitted to the management server 4 (step S33).

  The CPU 40 of the management server 4 receives the message input request from the user terminal 5, and includes the first ID “0000000a1”, the sender ID “0000000a2”, and the message addressed to the first user “XX” included in the message input request. The message registration time “12:40” representing the time at that time is stored in the message list table 48 (step S34).

  Here, a case where the above-described location registration / message notification processing is executed will be described.

  First, location registration processing is executed.

  For example, it is assumed that the first user A moves to the third lift after moving to the first and second lifts while carrying the first ID tag 1-1. In this case, the CPU 20 of the ID reader 2-3 has the first ID “0000000a1” from the first ID tag 1-1 when the distance between the first ID tag 1-1 carried by the first user A and the self is a predetermined distance. "Is read (step S1), the first ID" 0000000a1 ", the ID reader identifier" aa03 ", and the check time" 13:00 "indicating the time at that time are transmitted (step S2).

  The CPU 40 of the management server 4 receives the first ID “0000000a1”, the ID reader identifier “aa03”, and the check time “13:00” from the ID reader 2-3, and stores them in the ID reader check list table 47. (Step S3).

  Next, message notification processing is executed.

  The CPU 40 refers to the message list table 48 to check whether there is a message addressed to the first user A (step S4). Therefore, the CPU 40 corresponds to the first ID “0000000a1” from the ID reader 2-3, and the message registration time “12:40” is the latest time among the messages stored in the message list table 48. Select the message for the first user “XX. Go to the first restaurant by 13:00”. That is, there is a message addressed to the first user A (step S4-YES). In this case, the CPU 40 transmits a message addressed to the first user “XX. Going to the first restaurant by 13:00” to the ID reader 2-3 (step S5).

  As shown in FIG. 14, the CPU 20 of the ID reader 2-3 has a message “XX” addressed to the first user on the message display unit 3-4 connected to the ID reader 2-3. Is displayed (step S6-YES, S7).

[effect]
As described above, the contact system according to the embodiment of the present invention performs the location registration process, so that the location of the first user is communicated in time series. The second user can confirm where the first user (the other party) has been recently. Thereby, even if it becomes impossible to contact the other party with a mobile phone or the like, the latest whereabouts can be predicted from the trace of the other party's movement, and the search range for the other party can be narrowed down.

  In addition, since the second user can send a message to the first user (partner) by executing the message input process in the contact system according to the embodiment of the present invention, the location registration process and the message notification process are performed. By being executed, the other party can confirm the message at a position that is easily noticeable from the place when the ID is checked. Therefore, even if it becomes impossible to communicate with the other party using a mobile phone or the like, it is possible to wait by sending a message to the other party.

[Contrast]
The technique described in Japanese Patent Application Laid-Open No. 2001-223798 (hereinafter referred to as conventional technique) is characterized by not using a mobile phone, but in the present invention, a mobile phone can be used. In the prior art, pay telephones and personal computers are also included in public telephones. However, in the present invention, terminals that can use the Internet, such as personal mobile telephones and personal computers, can be handled without charge. The conventional technique is characterized in that group registration is performed in advance with respect to the management server. However, when a new friend is created on the spot, it cannot be handled because the group is not registered. On the other hand, in the present invention, since it is only necessary to know the ID of the other party, when a new friend is made on the spot, it is possible to cope by teaching each other the ID.

1-1 First ID tag,
1-2 Second ID tag,
2-1 to 2-6 ID reader,
3-1 to 3-6 Message display section,
4 management server,
5 user terminals,
6 network,
7 Internet,
8-1 to 8-6 Installation location,
20 CPU,
21 storage unit,
22 computer program,
40 CPU,
41 storage unit,
42 computer programs,
45 database,
46 User list table,
47 ID reader check list table,
48 Message list table,
49 ID reader installation location table,
50 CPU,
51 storage unit,
52 computer program,
54 input section,
55 display section,
61 Login screen,
62 Search input screen,
63 Search result screen,
64 Message input screen

Claims (18)

A first ID tag, which is issued in advance for use by the first user and holds a first ID for identifying itself;
Each of the first ID tags is installed at a plurality of installation locations, holds an ID reader identifier for identifying itself, and the distance between the first ID tag carried by the first user and the self is a predetermined distance. A plurality of ID readers that read the first ID, and transmit the first ID, the ID reader identifier, and a check time indicating the time at that time;
A management server connected to the plurality of ID readers via a network;
A user terminal that is used by a second user who is notified in advance of the first ID by the first user, is connected to the management server via the Internet, and transmits a search request including the first ID to the management server; And
The management server
ID reader check list table;
An ID reader installation location table associating the ID reader identifier of each of the plurality of ID readers with an ID reader installation location name representing each of the plurality of installation locations;
Of the plurality of ID readers, the first ID, the ID reader identifier, and the check time are received in time series from an ID reader group that has communicated with the first ID tag, and the ID reader check is performed in time series. Stored in a list table,
The ID reader identifier of the ID reader group corresponding to the first ID included in the search request among the ID reader identifiers received from the user terminal and stored in the ID reader check list table The ID reader installation location name group corresponding to the ID reader identifier of the ID reader group is read out from the ID reader installation location names stored in the ID reader installation location table. A communication system for transmitting a search result representing a time series of 1 ID, the ID reader installation location name group and the check time to the user terminal. A plurality of message display units respectively installed at the plurality of installation locations and connected to the plurality of ID readers;
A second ID tag that is issued in advance for use by the second user and holds a second ID for identifying the user;
The management server
A message list table;
The user terminal transmits a message input request including the first ID as a destination ID, the second ID as a sender ID, and a message addressed to the first user as a message to the first user to the management server,
The management server receives the message input request from the user terminal, and the first ID, the sender ID, the message addressed to the first user included in the message input request, and a message registration time indicating the time at that time Are stored in the message list table,
When the distance between the first ID tag carried by the first user and one ID reader of the plurality of ID readers is a predetermined distance, the one ID reader is connected to the first ID tag from the first ID tag. Read the first ID, send the ID reader identifier and a check time indicating the time at that time,
The management server
Receiving the first ID, the ID reader identifier and the check time from the one ID reader, and storing them in the ID reader check list table;
From the messages stored in the message list table, the message registration time is the latest time, and the message addressed to the first user corresponding to the first ID is selected,
Sending the message addressed to the first user to the one ID reader;
2. The communication system according to claim 1, wherein the one ID reader displays the message addressed to the first user on a message display unit connected to the one ID reader among the plurality of message display units. The management server
A user list table that associates a plurality of users, a plurality of IDs, and a plurality of passwords determined in advance by the plurality of users;
The user terminal transmits the second ID and the password of the second user to the management server,
The management server permits communication between the user terminal and the management server when the second ID from the user terminal and the password of the second user are stored in association with the user list table. The communication system according to claim 2, wherein the authentication result is transmitted. The user terminal transmits a login request to the management server to the management server,
The management server transmits data representing a login screen including an ID input field and a password input field in response to the login request,
The user terminal inputs the second ID and the password of the second user in the ID input field and the password input field of the login screen, respectively, and the first input in the ID input field and the password input field, respectively. 2ID, the password of the second user is sent to the management server,
The management server permits the user terminal to log in as the authentication result when the second ID from the user terminal and the password of the second user are stored in association with the user list table. The communication system according to claim 3. When the user terminal is logged in to the management server, the user terminal transmits a search input screen request to the management server,
The management server transmits data representing a search input screen including a search ID input field in response to the search input screen request,
The user terminal inputs the first ID in the search ID input field of the search input screen, and transmits the search request including the first ID input in the search ID input field to the management server. Contact system described in. When the user terminal is logged in to the management server, it sends a message input screen request to the management server,
The management server transmits data representing a message input screen including a destination ID input field and a message input field in response to the message input screen request,
The user terminal inputs the first ID as the destination ID and the message addressed to the first user as a message to the first user in the destination ID input field and message input field of the message input screen, respectively, and the destination ID 6. The message input request including the destination ID, the message addressed to the first user, and the second ID as the sender ID, which are respectively input in the input field and the message input field, is transmitted to the management server. The contact system described.   The management server applied to the contact system in any one of Claims 1-6.   The user terminal applied to the contact system in any one of Claims 1-6.   An ID reader applied to the communication system according to claim 1. When a plurality of ID readers installed at a plurality of installation locations and holding ID reader identifiers for identifying themselves are at a predetermined distance between the first ID tag carried by the first user and the self, Reading the first ID from the 1 ID tag, the first ID tag is issued in advance for use by the first user, and holds the first ID for identifying itself;
The plurality of ID readers transmitting the first ID, the ID reader identifier, and a check time indicating a time at that time;
The management server connected to the plurality of ID readers via a network, among the plurality of ID readers, the first ID, the ID reader identifier, and the check time from the ID reader group communicated with the first ID tag. In a time series in the ID reader check list table;
A step of transmitting a search request including the first ID to the management server by a user terminal that is used by a second user for which the first ID has been previously notified by the first user and connected to the management server via the Internet; When,
The management server refers to the ID reader check list table and reads the ID reader identifier and the check time of the ID reader group corresponding to the first ID included in the search request;
The management server refers to an ID reader installation location table that associates the ID reader identifier of each of the plurality of ID readers with an ID reader installation location name representing each of the plurality of installation locations, and Reading an ID reader installation location name group corresponding to the ID reader identifier;
A communication method comprising: a step in which the management server transmits a search result representing the first ID, the ID reader installation location name group, and the check time in a time series to the user terminal. The user terminal transmits a message input request including the first ID as a destination ID, a second ID as a sender ID, and a message addressed to the first user as a message to the first user to the management server; The tag is issued in advance for use by the second user, and holds the second ID for identifying itself,
The management server storing the first ID, the sender ID, the message addressed to the first user included in the message input request, and a message registration time indicating a time at that time in a message list table;
When the distance between the first ID tag carried by the first user and one ID reader of the plurality of ID readers is a predetermined distance, the one ID reader is connected to the first ID tag from the first ID tag. Reading the first ID;
The one ID reader transmits the ID reader identifier and a check time indicating a time at that time;
The management server storing the first ID from the one ID reader, the ID reader identifier, and the check time in the ID reader check list table;
The management server selecting, from the messages stored in the message list table, the message addressed to the first user whose message registration time is the latest time and corresponding to the first ID;
The management server transmitting the message addressed to the first user to the one ID reader; and a plurality of message display units respectively installed at the plurality of installation locations, respectively connected to the plurality of ID readers;
The one ID reader further comprises a step of displaying the message addressed to the first user on a message display unit connected to the one ID reader among the plurality of message display units. How to contact The user terminal transmitting the second ID and the password of the second user to the management server;
The management server refers to a user list table in which a plurality of users, a plurality of IDs, and a plurality of passwords determined in advance by the plurality of users are associated with each other, and the second ID and the second ID from the user terminal The method according to claim 11, further comprising: transmitting an authentication result permitting communication between the user terminal and the management server when a user password is stored in association with the user list table. Contact method. The user terminal transmitting a login request to the management server to the management server;
The management server transmitting data representing a login screen including an ID input field and a password input field in response to the login request;
The user terminal inputs the second ID and the password of the second user in the ID input field and the password input field of the login screen, respectively, and the first input in the ID input field and the password input field, respectively. 2ID, sending the second user's password to the management server;
When the management server stores the second ID from the user terminal and the password of the second user in association with the user list table, the management server permits login to the user terminal as the authentication result. The communication method according to claim 12, further comprising the step of: Transmitting the search input screen request to the management server when the user terminal is logged in to the management server;
The management server transmitting data representing a search input screen including a search ID input field in response to the search input screen request;
The user terminal inputting the first ID in the search ID input field of the search input screen;
The contact method according to claim 13, further comprising the step of the user terminal transmitting the search request including the first ID input in the search ID input field to the management server. When the user terminal is logged in to the management server, sending a message input screen request to the management server;
The management server, in response to the message input screen request, transmitting data representing a message input screen including a destination ID input field and a message input field;
The user terminal inputting the first ID as the destination ID and the message addressed to the first user as a message to the first user in the destination ID input field and message input field of the message input screen, respectively;
The user terminal sends, to the management server, the message input request including the destination ID input to the destination ID input field and the message input field, the message addressed to the first user, and the second ID as the sender ID. The communication method according to claim 13 or 14, further comprising a step of transmitting.   The computer program which makes a computer perform each step which the said management server of the contact method in any one of Claims 10-15 performs.   The computer program which makes a computer perform each step which the said user terminal of the contact method in any one of Claims 10-15 performs.   The computer program which makes a computer perform each step which the said ID reader of the contact method of Claim 10 or 11 performs.

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