JP2005080085A - POSITION CHECKING DEVICE, POSITION CHECKING METHOD, POSITION CHECKING DEVICE CONTROL PROGRAM, AND COMPUTER-READABLE INFORMATION RECORDING MEDIUM CONTAINING THE POSITION CHECKING DEVICE CONTROL PROGRAM - Google Patents

Abstract

A position confirmation device and the like capable of reliably detecting spoofing of the position of a terminal device are provided.
Inquiry information and inquiry information about a zone for each zone as a geographical area, and position information receiving means 91 for receiving position information indicating the position of the terminal device 11 measured by a movable terminal device 11 Information management means 92 for managing response information corresponding to the information management means 92, inquiry information acquisition means 93 for acquiring inquiry information corresponding to the zone including the position represented by the received position information from the information management means 92, and the acquired inquiry information Inquiry information transmitting means 95 for transmitting to the terminal device 11, response information receiving means 96 for receiving response information transmitted in response to the inquiry information in response to the inquiry information, and for each zone from the terminal device 11 Judgment for judging whether or not the answer information corresponding to the response information exists as answer information in the information management means 92 It includes a stage 97, a.
[Selection] Figure 1

Description

  The present invention relates to a position confirmation device for confirming the position of a movable terminal device, a position confirmation method, a control program for the position confirmation device, and a computer-readable information recording medium in which the control program for the position confirmation device is recorded. .

  Conventionally, as a technique for grasping the movement status of a person or a vehicle, that is, the position thereof and managing them centrally, for example, the position information obtained from the position detection means is registered in the position information center using a mobile terminal and registered. The movement situation of a person or a vehicle etc. was managed centrally for every group (refer patent document 1). However, in such a conventional technology, there is a problem that the location information registration center cannot find the location impersonation when the mobile terminal is falsifying its current location, that is, when the location is impersonated. .

In addition to this, as another conventional technique, a method of authenticating position information and time information itself obtained using GPS (Global Positioning System) or the like has been adopted (see Patent Document 2). Specifically, first, for example, image data taken by a digital camera is written in a storage device, and simultaneously, a GPS radio wave is received by a GPS receiver, longitude / latitude information is encrypted, and this is stored as position information in the center system. Send. Then, the center system decodes the position information input from the digital camera, specifies the location from the obtained longitude / latitude information, and transmits and transmits it to the digital camera. It is proved that the image data stored in the storage device is taken at the place indicated by the place specifying data and is not taken at another place.
JP-A-11-55741 JP 2001-33537 A

  However, even in such a conventional technique, there was a problem in the initial position. In other words, in a terminal device such as a digital camera that has been photographed, if the position (corresponding to the location specifying data) has been altered from the beginning immediately after photographing and position impersonation has been performed, There is a problem that impersonation of the position cannot be detected.

  The present invention relates to a position confirmation device, a position confirmation method, a control program for the position confirmation device, and a computer-readable information recording medium on which the control program for the position confirmation device is recorded. Is to provide.

According to the first aspect of the present invention, the position information receiving means for receiving the position information indicating the position of the terminal device measured by the movable terminal device, and the zone as the geographical area, Information management means for managing inquiry information related to the zone and answer information corresponding to the inquiry information, and inquiry information for acquiring the inquiry information corresponding to the zone including the position represented by the received position information from the information management means Obtaining means; inquiry information sending means for sending the obtained inquiry information to the terminal device; response information receiving means for receiving response information sent in response to the terminal device according to the inquiry information; For each inquiry information related to the zone, the response information from the terminal device is sent to the information management means. Determining means for determining whether present as broadcast by localization apparatus comprising: a is achieved.
According to the above configuration, since the position confirmation device includes the inquiry information acquisition unit and the inquiry information transmission unit, the terminal device that has acquired the inquiry information regarding the zone including the position represented by the position information and has transmitted the position information to the terminal device. Can be sent to.
And a position confirmation apparatus receives the response information which the terminal device responded and transmitted according to inquiry information by a response information receiving means. Since the position confirmation device includes a determination unit, it determines whether or not response information from the terminal device exists as response information in the information management unit. Specifically, if the response information from the terminal device corresponds to the response information of the information management means for each zone, the location confirmation device properly recognizes the presence of the response information in the location confirmation device. Therefore, it is determined that the position information from the terminal device corresponding to the zone has not been tampered with, and if not, it is determined that the position information from the terminal device has been tampered with. In this way, the position confirmation device can reliably detect that the position information is falsified in the terminal device and the terminal device is impersonating the position.

According to a second aspect of the present invention, in the configuration of the first aspect, the terminal device performs positioning and acquires position information regarding the current location, the position information receiving means, the information management means, and the inquiry information acquisition means. A position information transmitting means for transmitting the position information to a position confirmation server having the inquiry information transmitting means, the response information receiving means and the judging means; and inquiry information for receiving the inquiry information from the position confirmation server. It is characterized by comprising receiving means, response information generating means for generating the response information corresponding to the inquiry information, and response information transmitting means for transmitting the generated response information.
According to the above configuration, the terminal device includes the inquiry information receiving unit, the response information generating unit, and the response information transmitting unit. Therefore, the terminal device receives the inquiry information from the location management server and generates response information corresponding to the inquiry information. To the location confirmation server.
Since this location confirmation device includes response information reception means and determination means, it receives response information from the terminal device and determines whether or not the response information corresponding to this response information exists in the information management means. To do.
In this way, the terminal device determines that the location information has not been falsified if the response information corresponds to the response information of the information management means for each zone by the location confirmation device as described above. Otherwise, it is determined that the position information has been tampered with. In this way, the terminal device can reliably detect whether the terminal device is impersonating the position by falsifying the position information.

  According to the third aspect of the present invention, the position information acquisition step for acquiring position information indicating the position of the terminal device measured by a movable terminal device, and the position information acquired by the terminal device A location information transmission step to be transmitted to the location confirmation server, a location information reception step in which the location confirmation server receives the location information transmitted by the terminal device, and the location confirmation server as a geographical area Inquiry information acquisition for acquiring the inquiry information corresponding to the zone including the position represented by the received position information from the information management means for managing the inquiry information about the zone and the response information corresponding to the inquiry information for each zone And inquiry information that the location confirmation server transmits the inquiry information to the terminal device An inquiry information receiving step in which the terminal device receives the inquiry information from the location confirmation server, and the terminal device transmits the response information to the location confirmation server in correspondence with the inquiry information. A response information transmitting step; a response information receiving step in which the location confirmation server receives the response information from the terminal device; and the location confirmation server in response to the inquiry information about the zone, the response information from the terminal device. And a determination step of determining whether or not the information management means is present as the answer information.

  According to the fourth aspect of the present invention, the position information receiving step for receiving position information indicating the position of the terminal device measured by the movable terminal device, and for each zone as a geographical area, An inquiry information acquisition step for acquiring the inquiry information corresponding to the zone including the position represented by the received position information from the information management means for managing the inquiry information about the zone and the response information corresponding to the inquiry information; An inquiry information transmission step of transmitting the inquiry information to the terminal device, a response information reception step of receiving response information transmitted in response to the terminal device in response to the inquiry information, and inquiry information relating to the zone For each time, the response information from the terminal device is sent to the information management means by the response information. A judgment step of judging whether or not there, thereby executing the control program of the position confirmation device according to claim as is achieved.

  According to the fifth aspect of the present invention, the position information receiving step for receiving position information indicating the position of the terminal device measured by the movable terminal device, and for each zone as a geographical area, An inquiry information acquisition step for acquiring the inquiry information corresponding to the zone including the position represented by the received position information from the information management means for managing the inquiry information about the zone and the response information corresponding to the inquiry information; An inquiry information transmission step of transmitting the inquiry information to the terminal device, a response information reception step of receiving response information transmitted in response to the terminal device in response to the inquiry information, and inquiry information relating to the zone For each time, the response information from the terminal device is sent to the information management means by the response information. The computer-readable information recording medium characterized by recording a control program for position verification device to execute a judgment step, the determining whether to present as is achieved.

Preferred embodiments of the present invention will be described below with reference to the drawings.
The embodiment described below is a preferred specific example of the present invention, and thus various technically preferable limitations are given. However, the scope of the present invention is particularly limited in the following description. Unless otherwise stated, the present invention is not limited to these forms.

FIG. 1 is a system configuration diagram showing a configuration example of a position confirmation system 1 as a preferred embodiment of the present invention.
The position confirmation system 1 as a position confirmation apparatus has a configuration in which a management server 5 is connected to a network 7 and a terminal apparatus 11 is connected to the network 7 via a base station 8.

  The network 7 is a data transmission medium such as the Internet or an intranet that performs data communication using a communication protocol such as TCP / IP (Transmission Control Protocol / Internet Protocol). The network 7 has a function of performing data communication by, for example, wired or wireless. The base station 8 has a function of performing data communication wirelessly with the terminal device 11 which is a mobile phone device, for example.

The terminal device 11 has a function of positioning the current location using, for example, GPS (Global Positioning System) and acquiring position information. Specifically, the terminal device 11 receives satellite radio waves from, for example, a satellite 3 (one or more satellites), which are GPS satellites, and acquires position information regarding the current location by analyzing a navigation message included in the satellite radio waves. It has the function to do. The terminal device 11 can be moved by being carried by an operator or the like, and is located in zones A, B, C, etc., which are geographical areas due to the movement.
The terminal device 11 sends a zone identifier associated with the zone A including the current location indicated by the acquired location information together with the location information of the current location of the terminal device 11 to the management server 5 via the base station 8 and the network 7. And has a function of transmitting.

  The management server 5 has a function of confirming the position of the terminal device 11. Specifically, the management server 5 has a function of providing various services to the terminal device 11, for example, confirms the location of the accessed terminal device 11 (hereinafter referred to as "authentication"), and is authenticated. A function of providing a predetermined service only to the terminal device 11.

FIG. 2 is a block diagram illustrating a hardware configuration example of the terminal device 11 illustrated in FIG. 1.
The terminal device 11 includes a CPU 11a, a RAM 11b, a ROM 11c, an operation unit 11d, a display unit 11g, a communication unit 11e, and a satellite radio wave reception unit 11h.
The CPU 11a is a central processing unit, and operates the control program 99a of the terminal device 11 and controls the ROM 11c and the like connected to the bus 11i using the RAM 11b as a work area. The ROM 11c is a read-only information recording medium, and may include a flash ROM that is a rewritable nonvolatile memory.

  The RAM 11b is a memory that can secure a work area for executing the program 99a. The operation unit 11d is an operation unit such as a button or a tablet for operating an object such as a button displayed on the screen of the display unit 11g. The display unit 11g is display means having a function of displaying characters and figures, and is a display device using, for example, an LCD (Liquid Crystal Display) or an EL (Electro Luminescence) element.

  The communication unit 11e has a function of performing communication with an external mobile terminal, a computer, or the like via a network, for example, wirelessly or by wire. A satellite radio wave (GPS: Global Positioning System) receiving unit 11h has a function of receiving a satellite radio wave (GPS signal) from the satellite 3 in FIG. 1, and analyzes a navigation message included in the satellite radio wave to detect a position related to the current location. It has a function to acquire information. Here, the position information regarding the current location includes, for example, latitude and longitude.

FIG. 3 is a block diagram illustrating an example of a hardware configuration of the management server 5 illustrated in FIG.
The management server 5 includes a CPU (Central Processing Unit) 63, a hard disk 61, a ROM (Read Only Memory) 64, a RAM (Random Access Memory) 65, and a bus 55, and preferably includes a display unit 60 and an operation unit 62.

  The bus 55 is a bus line having, for example, an address bus and a data bus, and is connected to the CPU 63, the ROM 64, the RAM 65, and the hard disk 61, and is preferably connected to the display unit 60 and the operation unit 62. The hard disk 61 is a large-capacity information storage medium such as a magnetic disk device capable of storing the control program 99 of the management server 5 and data.

  The CPU 63 is a central processing unit, and has a function of, for example, reading the program 99 from the hard disk 61 and operating the control program 99 of the management server 5 using the RAM 65 as a work area. That is, the RAM 65 is a work area for executing the program 99 or a volatile memory for temporarily storing data. The ROM 64 is a read-only memory, and stores, for example, a BIOS (Basic Input Output System). The ROM 64 may be a rewritable nonvolatile memory, for example.

  The display unit 60 is a display unit having a function of displaying characters and figures, and is a display device using, for example, an LCD (Liquid Crystal Display) or an EL (Electro Luminescence) element. The operation unit 62 is an operation unit such as a mouse, a tablet, or a keyboard for operating the object displayed on the display unit 60.

FIG. 4 is a block diagram illustrating a software configuration example of the terminal device 11 illustrated in FIG. The software configuration example shown in FIG. 4 corresponds to the control program 99a of the terminal device 11 shown in FIG.
The terminal device 11 of FIG. 4 includes a position measurement unit 71, a position information transmission unit 72, an inquiry information reception unit 73, a response information generation unit 34, and a response information transmission unit 75.

The position positioning unit 71 has a function of controlling the satellite radio wave receiving unit 11h shown in FIG. 2 and acquiring position information related to the current location by performing positioning. The location information transmission unit 72 has a function of transmitting the location information acquired by the location measurement unit 71 to the management server 5 via the base station 8 and the network 7 shown in FIG.
The inquiry information receiving unit 73 shown in FIG. 4 has a function of receiving inquiry information transmitted from the management server 5 shown in FIG. This inquiry information will be described later. The response information generation unit 74 has a function of generating response information corresponding to the inquiry information. This response information will also be described together with inquiry information to be described later. Moreover, the response information transmission part 75 has a function which transmits the produced | generated response information.

FIG. 5 is a block diagram illustrating a software configuration example of the management server 5 illustrated in FIG. 3. The software configuration example shown in FIG. 5 corresponds to the control program 99 of the management server 5 shown in FIG.
The management server 5 in FIG. 5 includes a position information receiving unit 91, a database 98, an inquiry information acquiring unit 93, an inquiry information transmitting unit 95, a response information receiving unit 96, and a determining unit 97.

  The position information receiving unit 91 has a function of receiving position information indicating the position of the terminal device 11 measured by the movable terminal device 11. The database 98 is a relational database that manages data using the relation between the tables, for example, and manages the information management table 92 and the zone table 94. The information management table 92 has a function of managing inquiry information (hereinafter referred to as “inquiry information”) relating to each zone as a geographical area and answer information corresponding to the inquiry information.

  Here, the inquiry information represents information for confirming information that can be grasped by the terminal device 11 from the surrounding situation if the terminal device 11 is really located. The above-described answer information is information that should be returned in response to the inquiry information by the operator of the terminal device 11. If the terminal device 11 is really located, the terminal information 11 can be used from the surrounding situation. This information can be grasped by the device 11.

The inquiry information acquisition unit 93 has a function of acquiring inquiry information corresponding to a zone including the position of the terminal device 11 represented by the position information received by the management server 5 from the information management table 92. The inquiry information transmission unit 95 has a function of transmitting the inquiry information acquired by the inquiry information acquisition unit 93 to the terminal device 11 of FIG.
The response information receiving unit 96 has a function of receiving response information transmitted in response to the terminal device 11 in response to the inquiry information. The determination unit 97 has a function of determining whether or not response information from the terminal device 11 exists as response information in the information management table 92 for each zone.

When the management server 5 has the above-described configuration, the management server 5 includes the inquiry information acquisition unit 93 and the inquiry information transmission unit 95. Therefore, the location information is transmitted to the terminal device 11 that has transmitted the location information. Inquiry information regarding the zone including the position represented by can be transmitted.
Then, the management server 5 receives response information transmitted from the terminal device 11 in response to the inquiry information by the response information receiving unit 96. Since the management server 5 includes the determination unit 97, the management server 5 determines whether or not the response information corresponding to the response information from the terminal device 11 exists in the information management table 92. Specifically, the management server 5 determines that the position information from the terminal device 11 is not falsified if the response information from the terminal device 11 corresponds to the response information in the information management table 92 for each zone. If not, it is determined that the position information from the terminal device 11 has been tampered with. In this way, the management server 5 can reliably detect whether or not the position information has been altered in the terminal device 11 and the terminal device 11 is impersonating the position.

The position confirmation system 1 including the management server 5 has the above-described configuration. Next, an example of the procedure of the position confirmation method as an operation example thereof will be described with reference to FIGS.
6 to 8 are flowcharts showing an example of the procedure of the position confirmation method as a preferred embodiment of the present invention. 6 and 8 are flowcharts showing an example of the procedure in the terminal device 11, and FIG. 7 is a flowchart showing an example of the procedure in the management server 5.

In the following position confirmation method, for example, a sales service system that uses confirmation of the position of the terminal device 11 by the management server 5 before or after the salesman enters the customer will be described as an example. The salesman has a terminal device 11 that is a part of the sales service system, for example, and the management server 5 that is also a part of the sales service system receives the customer requirements input from the terminal device 11, for example. It has the function of preparing goods to be received and delivered in accordance with customer requirements.
In step ST1, the salesperson before entering the customer operates the terminal device 11 and inputs a visiting destination that is the customer's customer. At this time, since it is before entering the customer, the visit flag is set to ON, for example. For example, the terminal device 11 transmits data regarding the input destination and the visit flag to the management server 5 via the base station 8 and the network 7 shown in FIG.

  In the management server 5, as shown in step ST21 of FIG. 7, the data regarding the visited place and the visited flag from the terminal device 11 operated by the salesman are received. Next, in step ST22, the management server 5 determines whether or not data related to the visit destination and the visit flag has been received. If there is no reception, the process returns to step ST21, and if received, the process proceeds to step ST23. . In step ST23, the management server 5 acquires the position information of the terminal device 11. Specifically, in step ST <b> 2 illustrated in FIG. 6, the terminal device 11 performs positioning using, for example, GPS, and acquires position information of the terminal device 11. Next, in step ST <b> 3, the terminal device 11 transmits the acquired position information to the management server 5. In this way, the management server 5 acquires the position information of the terminal device 11.

  Next, in step ST <b> 24 of FIG. 7, the management server 5 creates the inquiry information and transmits it to the terminal device 11. As a method for creating the inquiry information, in the management server 5, the inquiry information acquisition unit 93 shown in FIG. 5 corresponds to the zone including the position of the terminal device 11, for example, from the information management table 92 of the database 57. To get. As described above, the inquiry information is information relating to an inquiry related to a zone including the position indicated by the position information of the terminal device 11.

  Next, in step ST3 of FIG. 6, in the terminal device 11, the inquiry information receiving unit 73 of FIG. 4 receives inquiry information from the management server 5. Next, in step ST <b> 4 of FIG. 6, the terminal device 11 receives inquiry information from the management server 5. Next, in step ST5, the terminal device 11 calculates response information for the inquiry information by the response information generation unit 74 shown in FIG. 4, and generates response information. Next, in step ST <b> 6, the terminal device 11 transmits response information to the management server 5.

  The management server 5 in FIG. 1 receives response information from the terminal device 11 in step ST25 in FIG. Next, in step ST26, if there is response information from the terminal apparatus 11, the process proceeds to step ST27. If there is no response information from the terminal apparatus 11, the process proceeds to step ST28 to warn that the process is abnormal. . In step ST27, in the management server 5, whether or not the determination unit 97 shown in FIG. 5 has returned an appropriate answer to the inquiry information related to the zone including the position indicated by the position information of the terminal device 11. Judging. Here, an appropriate answer means that, for example, response information from the terminal device 11 exists as answer information in the information management table 92 in FIG. 5 for each inquiry information regarding this zone.

  If the answer is valid in step ST27, for example, the location information of the terminal device 11 is registered in the management server 5, and the management server 5 notifies the terminal device 11 of the success or failure of the location registration of the terminal device 11. To do. The terminal device 11 confirms the success / failure determination from the management server 5 as in step ST7. Note that steps ST2 to ST7 in FIG. 6 constitute one closed work SG. This one closed work SG has the same procedure as, for example, one closed work SG in FIG.

  Next, in step ST8, the terminal device 11 determines whether or not the location registration of the terminal device 11 is successful by the management server 5, and if successful, the process proceeds to step ST9. On the other hand, when it fails, it progresses to step ST10 and the warning to the effect of abnormal termination is given. In step ST9, the customer request item is received in the terminal device 11, and the process ends. In addition, after step ST9, for example, a salesman prepares an item to be delivered from a customer according to a requirement.

  Next, in step ST29, the management server 5 determines whether or not the visit flag is ON (for example, indicating that it is before a visit). If it is ON, the process proceeds to step ST30, and if it is OFF (for example, indicates that it is after a visit), the process proceeds to step ST31. In this step ST30, pre-visit processing is performed in the management server 5. Specifically, the pre-visit processing indicates, for example, picking up a delivery product and picking up an answer to a request.

  Further, in this step ST30, the management server 5 transmits, for example, a requirement item (hereinafter referred to as “customer requirement item”) for a customer visited by a salesperson who possesses the terminal device 11 to the terminal device 11. Next, in step ST9 shown in FIG. 6, the terminal device 11 receives a customer request item from the management server 5, and ends the process. On the other hand, in step ST31, the management server 5 performs post-visit processing. The post-visit processing specifically indicates storage of customer request items such as orders and customer requests.

  On the other hand, when the salesman leaves the customer, the process is performed according to the flowchart shown in FIG. In the flowchart of FIG. 8, the description of the same procedure as that of the flowchart shown in FIG. 6 is omitted. In step ST1, since the salesperson who is the operator of the terminal device 11 is out of the customer, the visit flag of the terminal device 11 is turned off. Next, in step ST <b> 1 a, for example, a salesperson uses the terminal device 11 to input and transmit order details and desired items. The one closed work SG described above is the same procedure as the one closed work SG shown in FIG.

  Steps ST8 and ST10 are the same as steps ST6 and ST10 shown in FIG. In step ST9a, contrary to step ST9 shown in FIG. 6, the terminal device 11 transmits customer request items to the management server 5.

According to a preferred embodiment of the present invention, since the management server 5 includes the inquiry information acquisition unit 93 and the inquiry information transmission unit 95 as shown in FIG. 5, the terminal device 11 of FIG. In contrast, it is possible to transmit inquiry information regarding a zone including the position represented by the position information.
And the management server 5 receives the response information which the terminal device 11 of FIG. 1 responded and transmitted by the response information receiving part 96 of FIG. 5 according to inquiry information. Since the management server 5 includes the determination unit 97, the management server 5 determines whether or not the response information from the terminal device 11 exists as the response information in the information management table 92.

  Specifically, if the response information from the terminal device 11 corresponds to the response information in the information management table 92 for each zone, the management device 5 properly verifies the presence of the response information in the management server 5. Since it is determined that it is grasped, it is determined that the position information from the terminal device has not been tampered with. On the other hand, if it does not correspond, it is determined that the position information from the terminal device 11 has been tampered with. In this way, the management server 5 can reliably detect whether or not the position information has been altered in the terminal device 11 and the terminal device 11 is impersonating the position.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the claims. For example, a part of each configuration of the above embodiment can be omitted, or can be arbitrarily combined so as to be different from the above.
In the above-described embodiment, single positioning is exemplified as the positioning method. However, the present invention is not limited to this, and for example, relative positioning (differential positioning method) may be adopted.

  The control program 99 of the management server 5 and the control program 99a of the terminal device 11 are not only installed in an electronic device such as a computer and operating as described above, but also, for example, a flexible disk, a CD (Compact Disc: Trade name), CD-R (Compact Disc-Recordable), CD-RW (Compact Disc-Rewriterable) or DVD (Digital Versatile Disc), DVD-R (Digital Versatile Disc-RecordableDV) It may be in a form stored and distributed in an information recording medium such as Random Access Memory.

  In addition, the control program 99 of the management server 5 and the control program 99a of the terminal device 11 are not limited to the form stored in the information recording medium, but may be a transmission medium such as a network that performs data communication wirelessly or by wire. Needless to say, it may be downloaded via a user's computer or other electronic device. Furthermore, the program 99 for demonstrating the above functions and the control program 99a of the terminal device 11 are downloaded and executed from an application service provider (ASP) that rents application software for a certain period of time, as required. Needless to say, it may be in a form.

  Further, in the above-described embodiment, the zone to be inquired includes using a zone (cell zone) centered on a base station such as a mobile phone device when connected wirelessly. In the above embodiment, the management server 5 inquires the terminal device 11 about the connection zone of the mobile phone device, and the mobile phone device connected at the time of GPS positioning or position notification in the terminal device 11 is the zone where the mobile phone device is located. A method of returning the ID is also possible.

The system block diagram which shows the structural example of a position confirmation system. The block diagram which shows the hardware structural example of the terminal device shown in FIG. The block diagram which shows the hardware structural example of the management server shown in FIG. The block diagram which shows the software structural example of the terminal device shown in FIG. FIG. 4 is a block diagram showing a software configuration example of the management server shown in FIG. 3. The flowchart which shows an example of the procedure of the position confirmation method in a terminal device. The flowchart which shows an example of the procedure of the position confirmation method in a management server. The flowchart which shows an example of the procedure of the position confirmation method in a terminal device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Position confirmation system (position confirmation apparatus) 5, 5a ... Management server (position confirmation apparatus), 11 ... Terminal device, A, B, C ... Zone, 11b ... RAM ( Storage means), 71 ... position positioning section (position positioning means), 72 ... position information transmitting section (position information transmitting means), 73 ... inquiry information receiving section (inquiry information receiving means), 74. Response information generation unit (response information generation unit), 75 ... Response information transmission unit (response information transmission unit), 91 ... Position information reception unit (position information reception unit), 92 ... Information management table ( Information management means), 93 ... inquiry information acquisition section (inquiry information acquisition means), 95 ... inquiry information transmission section (inquiry information transmission means), 96 ... response information reception section (response information reception means), 97 ... Judgment part (size Means), 99 ... management server controlling program, 99a ... terminal control program

Claims (5)

Position information receiving means for receiving position information indicating the position of the terminal device measured by a movable terminal device;
Information management means for managing inquiry information about the zone and response information corresponding to the inquiry information for each zone as a geographical area;
Inquiry information acquisition means for acquiring from the information management means the inquiry information corresponding to the zone including the position represented by the received position information;
Inquiry information transmitting means for transmitting the acquired inquiry information to the terminal device;
Response information receiving means for receiving response information transmitted in response to the terminal information in response to the inquiry information;
A determination unit that determines whether the response information from the terminal device exists as the response information in the information management unit for each inquiry information related to the zone;
A position confirmation device comprising: The terminal device
A positioning means for positioning and obtaining location information about the current location;
Position information transmission for transmitting the position information to a position confirmation server having the position information receiving means, the information management means, the inquiry information acquisition means, the inquiry information transmission means, the response information reception means, and the determination means. Means,
Inquiry information receiving means for receiving the inquiry information from the location confirmation server;
Response information generating means for generating the response information corresponding to the inquiry information;
Response information transmitting means for transmitting the generated response information;
The position confirmation apparatus according to claim 1, further comprising: A position information acquisition step of acquiring position information indicating the position of the terminal device measured by a movable terminal device;
A location information transmission step in which the terminal device transmits the acquired location information to a location confirmation server;
A location information receiving step in which the location confirmation server receives the location information transmitted by the terminal device;
The location confirmation server includes a location represented by the location information received from information management means for managing inquiry information about the zone and answer information corresponding to the inquiry information for each zone as a geographical area. An inquiry information acquisition step for acquiring the inquiry information corresponding to the zone;
An inquiry information transmission step in which the location confirmation server transmits the inquiry information to the terminal device;
An inquiry information receiving step in which the terminal device receives the inquiry information from the location confirmation server;
A response information transmitting step in which the terminal device transmits the response information to the location confirmation server in correspondence with the inquiry information;
A response information receiving step in which the location confirmation server receives the response information from the terminal device;
A determination step in which the location confirmation server determines whether the response information from the terminal device exists as the response information in the information management unit for each inquiry information related to the zone;
The position confirmation method characterized by having. A position information receiving step of receiving position information indicating the position of the terminal device measured by a movable terminal device;
Information management means for managing, for each zone as a geographical area, the inquiry information corresponding to the zone including the position represented by the received position information, inquiry information related to the zone, and response information corresponding to the inquiry information Inquiry information acquisition step acquired from
An inquiry information transmission step of transmitting the acquired inquiry information to the terminal device;
A response information receiving step of receiving response information transmitted in response to the terminal device in response to the inquiry information;
A determination step for determining whether the response information from the terminal device exists as the response information in the information management unit for each inquiry information regarding the zone;
A control program for a position confirmation device, characterized in that A position information receiving step of receiving position information indicating the position of the terminal device measured by a movable terminal device;
Information management means for managing, for each zone as a geographical area, the inquiry information corresponding to the zone including the position represented by the received position information, inquiry information related to the zone, and response information corresponding to the inquiry information Inquiry information acquisition step acquired from
An inquiry information transmission step of transmitting the acquired inquiry information to the terminal device;
A response information receiving step of receiving response information transmitted in response to the terminal device in response to the inquiry information;
A determination step for determining whether the response information from the terminal device exists as the response information in the information management unit for each inquiry information regarding the zone;
A computer-readable information recording medium in which a control program for a position confirmation device for executing the above is recorded.

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