JP2001067365A - Information providing device, information terminal for transmitting/receiving to and from the device and information management device managing these devices - Google Patents

Abstract

PROBLEM TO BE SOLVED: To largely reduce an amount of information to be stored on the side of a car navigator (information terminal). SOLUTION: An individual discrimination code for specifying a data base and event information in the data base in combination with location information is issued to an information providing device by an information management device, and an individual discrimination code of a desired outline information is selected by a user out of an information menu displayed in a display part. When an address introduction demand accompanying transmission of the individual discrimination code is transmitted to the information management device (S25), desired address information transmitted from the information management device is acquired (S26), acquisition demand of detailed contents of the desired event information and the individual discrimination code are transmitted by being connected to a communicated party of the acquired address information by way of a communication line (S27) and the detailed contents of the event information are acquired from the information providing device (S28).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention collects, inputs, edits event information such as restaurant information and shopping information transmitted from various information providers.
An information providing apparatus for adding location information indicating a location to event information, storing the information in a database, and transmitting a part of the event information stored in the database to the information terminal as summary information, an information terminal transmitting and receiving the information, and an information terminal. The present invention relates to an information management device for managing information.

[0002]

2. Description of the Related Art As an information providing service for a mobile body such as a vehicle, for example, information on a restaurant, information on shopping, information on shopping, an amusement park such as an amusement park, etc. transmitted from various information providers to a normal FM broadcast from a broadcasting station. And FM multiplex broadcasting that multiplexes and broadcasts event information such as information related to an event held in a specific area or the like.

In this FM multiplex broadcast, a broadcast from a broadcast station is received by an information terminal such as an FM receiver mounted on a vehicle, and FM multiplexed information is demodulated and extracted from a received signal, and a liquid crystal display (LCD) is used. The content of the received data is displayed on a display unit such as an LCD.

[0004] With the recent advancement of car navigation technology, it has become possible to receive these information providing services using a car navigation system. In this case, an FM receiver is provided in the car navigation system, and the event information transmitted from the FM broadcast station indicates the providing position (location) of the event information, for example, restaurant position information (position code indicating latitude and longitude) Is added on the information provider side or the broadcasting station side, and when event information is received on the car navigation system side, the position information added to the received event information is read, and L constituting the car navigation system is read.
A display unit such as a CD can display the contents of the received event information in characters and graphics, or can superimpose a position represented by position information on a map displayed on the display unit. .

In this case, a memory for storing and holding event information is provided on the car navigation system side, the event information once received is stored in this memory, and the event information is read out from the memory for each region based on the position code and displayed. Alternatively, event information can be read and displayed for each genre.

[0006] On the other hand, recently, digital technology has remarkably developed, so that the above-mentioned event information is transmitted and received by digital communication, and with the spread of the Internet, the above-mentioned event information is transmitted via an Internet provider. Transmission and reception may be performed using a communication-compatible car navigation system or a portable communication terminal.

[0007] In the case of the above-mentioned information providing service by FM multiplex broadcasting or the Internet, inquiring data of an information provider (for example, inquiries for more detailed contents of event information, or when necessary, to make a procedure such as reservation). , A telephone number, a facsimile number, an Internet URL, etc.) together with event information is also considered. At that time, it has been considered that an information provider adds an identification code assigned to the event information in advance to the event information and transmits the event information so that the event information to be inquired can be identified.

[0008]

However, there are a large number of information providers using FM broadcasting stations and the Internet all over Japan, and the amount of event information provided by each is enormous. If a large number of digits are required, and, for example, a large amount of summary information of event information is to be transmitted collectively, the amount of information transmitted from an FM broadcast station or an Internet provider increases, and the load on the transmission system increases. In addition, there is a problem that a long transmission time is required, and the amount of information to be stored by the storage means on the terminal side such as a car navigation system becomes extremely large, thereby increasing the load.

In addition, it is necessary to centrally manage information transmitted from each FM broadcasting station or an information provider via the Internet so that identification codes added to the information do not overlap. There is also a problem that information management becomes very complicated due to the large number of users.

The problem to be solved by the present invention is to significantly reduce the amount of information to be stored on the information terminal side, to centrally manage the information to be provided, and to use the information terminal to store only information for which the term is valid. The goal is to get it right.

[0011]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, an information providing apparatus according to the present invention includes information on restaurants, information on shopping, information on amusement parks such as amusement parks and specific areas sent from various information providers. Collecting, inputting, and editing event information such as information related to an event to be held, storing the event information with location information indicating a location in a database, and storing a part of the event information stored in the database. In the information providing apparatus for transmitting the summary information to the information terminal by broadcasting or communication means, prior to storing the event information in the database or transmitting the summary information to the information terminal, in combination with the position information An individual identification code for identifying the database and the event information in the database; Performs the issuance request, is characterized in that it comprises an additional unit for adding the individual identification code acquired by the communication in response to the issuance request to the event information.

With this configuration, the database and the event information in the database are specified in combination with the position information before the event information is stored in the database or the summary information is transmitted to the information terminal. Since the obtained individual identification code is acquired and the acquired individual identification code is added to the event information, for example, a different individual identification code is assigned only to the event information at the same position, thereby significantly reducing the code length and providing information. It is possible to reduce the amount of information transmitted from the device.

Further, the information management device according to the present invention receives the issuance request of the individual identification code from the plurality of information providing devices, and at the time of the issuance request, sends the position information to be added to the event information from the information providing device. An acquisition unit for acquiring, and an issuing unit for generating the individual identification code by adding a different identification symbol to the same acquired position information and issuing the individual identification code to the information providing apparatus. Features.

[0014] According to this configuration, when an issuance request for an individual identification code is received from the information providing apparatus, the acquisition unit acquires the position information to be added to the event information from the information providing apparatus, and the issuing unit acquires the position information. A different identification code is added to the same position information to generate an individual identification code, which is issued to the information providing device. Therefore, different individual identification codes are assigned only to the event information at the same position, and the code length can be significantly reduced.

In the information management apparatus according to the present invention, the issuing unit acquires the summary information of the event information together with the position information from the information providing apparatus, and adds the individual identification code to the summary information. An information menu including a combination of a plurality of the summary information and the individual identification code is created and provided to the information terminal.

[0016] In this way, an information menu including a combination of the summary information and the individual identification code is created and provided to the information terminal. By performing the association, it is possible to specify the database and the event information in the database, and to obtain details of the event information. Also, since only the minimum information needs to be incorporated in the information menu, the amount of information to be stored on the information terminal side can be reduced, and the amount of data to be transmitted can be reduced.

The information management device according to the present invention may further include a storage unit for storing the database of the information providing device, address information for specifying the event information in the database, and a comparison table of the individual identification code. A conversion unit that converts the transmitted individual identification code into the address information based on the comparison table and provides the address information to the information terminal, when the information terminal receives an address introduction request accompanied by transmission of the individual identification code. It is characterized by having.

In this way, if there is an address introduction request accompanied by transmission of the individual identification code from the information terminal, the individual identification code is converted into address information from the comparison table and provided to the information terminal. Then, by connecting to the communication destination of the received address information, the details of the event information can be obtained from the database.
At this time, since it is not necessary to incorporate address information into the information menu, the amount of information to be stored on the information terminal side can be reduced, and the amount of data to be transmitted can be reduced.

The information management device according to the present invention may further comprise a storage unit for storing the database of the information providing device, address information for specifying the event information in the database, and a comparison table of the individual identification code. A conversion unit for converting the transmitted individual identification code into the address information based on the comparison table, when there is an event information acquisition request accompanied by transmission of the individual identification code from the information terminal; Connected to the information providing apparatus including the database specified by the above, transmits the individual identification code or the converted address information from the information terminal, and the event specified by the individual identification code or the address information from the database. A communication unit for receiving information and transmitting the information to the information terminal. It is characterized by a door.

[0020] According to this configuration, the information terminal can transmit the event information acquisition request accompanied with the transmission of the individual identification code, thereby acquiring the details of the desired event information via the information management device. Accordingly, it is possible to reduce a load required for acquiring detailed information of event information in the information terminal.

Further, even if the reception condition is deteriorated while receiving the details of the event information in the information terminal, the details of the event information can be obtained again from the information management device after the reception condition is stabilized. It is possible to obtain stable information.

Further, the information terminal according to the present invention is characterized in that the information terminal includes a transmission / reception unit for acquiring the information menu from the information management device.

In this case, the user appropriately selects the individual identification code of the desired summary information from the information menu, so that, for example, the selected individual identification code is transmitted to the information management device, and the corresponding individual identification code is transmitted. It becomes possible to know the details by transmitting the information of the inquiry destination or the event information.

[0024] The information terminal according to the present invention transmits an address introduction request accompanied by transmission of the individual identification code selected from the information menu obtained from the information management device to the information management device. A transmission / reception unit is provided which receives the address information transmitted from the information management device in response to the introduction request.

By doing so, the individual identification code of the desired summary information is selected from the information menu, and an address introduction request accompanied by the transmission of the individual identification code is transmitted to the information management device, whereby the event corresponding to the individual identification code is transmitted. It becomes possible to acquire the address information about the acquisition source of the details of the information. At this time, since it is not necessary to incorporate address information into the information menu, the amount of information to be stored on the information terminal side can be reduced, and the amount of data to be transmitted can be reduced.

The information terminal according to the present invention transmits an event information acquisition request accompanied by transmission of the individual identification code selected from the information menu acquired from the information management device to the information management device. A transmission / reception unit for receiving the event information transmitted from the information management device in response to an event information acquisition request is provided.

By doing so, the individual identification code of the desired summary information is selected from the information menu, and an event information acquisition request accompanied by the transmission of the individual identification code is transmitted to the information management device, thereby passing through the information management device. Then, it becomes possible to acquire the details of the event information corresponding to the individual identification code. In addition, even if the reception state deteriorates while receiving the details of the event information, the details of the event information can be obtained again from the information management device after the reception state is stabilized, so that more stable information can be obtained. become.

Further, in the information providing apparatus according to the present invention, in the information providing apparatus, the adding unit issues a request for issuance of the individual identification code, acquires expiration date information indicating an expiration date of the event information together with the individual identification code, and It is characterized in that an individual identification code and the term information are added to the event information, and the event information whose expiration date has passed is deleted from the provision target.

In this case, since the expiration date is added to the individual identification code, if the expiration date has passed, the corresponding event information is deleted from the provision target, and the expiration date has passed. Only those that do not are sent to the information terminal.

Therefore, it is possible to assign an identification code once assigned to an individual identification code to another individual identification code after the expiration of the expiration date. Can be provided. Furthermore, since the types of identification symbols can be reduced, the amount of information to be stored on the information terminal side can be reduced.

Further, the information management device according to the present invention receives the issuance request of the individual identification code from the plurality of information providing devices, and at the time of the issuance request, the position information and the position information to be added to the event information from the information providing device. An acquisition unit for acquiring the expiration date of the event information, and the individual identification code is generated by adding a different identification code to the same position information that has already been obtained, and is issued to the information providing apparatus. It is characterized in that it has an issuing unit for reissuing the individual identification code of the one whose expiration date has already passed for the different information providing device or the different event information.

With this arrangement, if the expiration date of the event information acquired by the acquiring unit has passed, the issuing unit reissues the individual identification code for a different information providing apparatus or different event information. .

Therefore, it is possible to assign an identification code once assigned to an individual identification code to another individual identification code after the expiration of the expiration date. Can be provided. Furthermore, since the types of identification symbols can be reduced, the amount of information to be stored on the information terminal side can be reduced.

Further, in the information management apparatus according to the present invention, the issuing unit acquires the summary information and the expiration date of the event information together with the position information from the information providing apparatus, and the expiration date indicating the expiration date is included in the outline information. Add the individual identification code with information, create an information menu consisting of a combination of a plurality of the summary information and the individual identification code with time limit information and provide it to the information terminal, and after the expiration date has passed The summary information is deleted from the information menu.

In this way, since the individual identification code added to the outline information whose expiration date has passed may have the same identification symbol added to another information, the outline identification after the expiration date has passed. When an information menu including a combination of information and an individual identification code is created and transmitted to an information terminal, the information terminal may not correctly update stored information. Therefore, by deleting the outline information whose expiration date has passed from the information menu by the issuing unit, it becomes possible to correctly update the storage information on the information terminal side.

The information management apparatus according to the present invention stores a comparison table of address information for specifying the database of the information providing apparatus, the event information in the database, and the individual identification code with the term information. If there is an address introduction request accompanied by transmission of the individual identification code with the term information from the information terminal, the individual identification code with the term information is stored in the comparison table for those whose expiration date has not passed. A conversion unit that converts the address information into the address information based on the address information and provides the address information to the information terminal.

In this way, if there is an address introduction request accompanied by the transmission of the individual identification code from the information terminal, the individual identification code is converted from the comparison table into the address information only for those for which the expiration date has not passed, and the information is transmitted. Sent to the terminal. Therefore, for those whose expiration date has passed, the individual identification code is not converted into the address information, and the information terminal can correctly update the storage information.

The information management device according to the present invention stores a comparison table of address information for specifying the database of the information providing device, the event information in the database, and the individual identification code with the term information. If there is an event information acquisition request accompanied by transmission of the individual identification code with the expiration date information from the information terminal, the individual identification code with the expiration date information for the expiration date has not passed yet is stored in the comparison table. A conversion unit that converts the address information based on the converted identification information or the converted address information from the information terminal by connecting to the information providing apparatus including the database specified by the converted address information. Sent from the database and specified by these individual identification codes or address information It receives serial event information is characterized in that it comprises a communication unit for transmitting to the information terminal.

In this way, when the information terminal transmits the event information acquisition request accompanied by the transmission of the individual identification code, only the event information whose expiration date has not passed is transmitted via the information management device. Can be obtained. Therefore, when the expiration date has passed, the details of the event information are not transmitted to the information terminal via the information management device, and the information terminal can correctly update the stored information. Become.

Further, the information terminal according to the present invention is characterized in that the information terminal includes a transmission / reception unit for acquiring the information menu from the information management device.

In this way, in the information terminal, an individual identification code whose expiration date has not expired can be selected from the acquired information menu, and for example, this is transmitted to the information management device side, and the individual identification code is transmitted. In this way, it is possible to always obtain the detailed contents of the event information whose expiration date has not yet passed, for example, by transmitting the information of the inquiry destination corresponding to the event information or the event information.

In the information terminal according to the present invention, only the ID of the individual identification code with the term information selected from the information menu obtained from the information management apparatus, for which the expiration date has not passed, is provided. A transmission / reception unit that transmits an address introduction request accompanied by transmission to the information management device and receives the address information transmitted from the information management device in response to the address introduction request is provided.

By doing so, an address introduction request involving transmission of an individual identification code whose expiration date has not expired among the individual identification codes selected from the information menu is transmitted to the information management apparatus. It is possible to always obtain valid event information by obtaining address information whose expiration date has not elapsed from the management device.

Further, the information terminal according to the present invention is arranged so that, of the individual identification codes with an expiration date selected from the information menu obtained from the information management device, only those for which the expiration date has not elapsed have been used. A transmitting / receiving unit that transmits an event information acquisition request accompanied by transmission to the information management device and receives the event information transmitted from the information management device in response to the event information acquisition request. .

Thus, an event information acquisition request accompanied by transmission of an individual identification code whose expiration date has not expired among the individual identification codes selected from the information menu is transmitted to the information management apparatus. Event information whose expiration date has not yet passed can be always obtained from the device.

[0046]

(First Embodiment) A first embodiment of the present invention will be described.
An embodiment will be described with reference to FIGS. 1 is a diagram showing a schematic configuration of the entire system, FIG. 2 is a block diagram of an information terminal, FIGS. 3 to 8 are operation explanatory diagrams, and FIGS. 9 to 12 are operation explanation flowcharts.

First, FIG. 1 showing the configuration of the entire system will be described. As shown in FIG. 1, from various information providers (not shown) such as various restaurants, restaurants, clothing stores such as boutiques, and amusement places such as amusement parks, restaurant information such as cooking menus, bargain sales, etc. When event information such as shopping information and information on an event to be held at an entertainment center is sent to a plurality (three in this case) of information providing apparatuses 1A, 1B, and 1C constituted by, for example, FM broadcast stations and Internet providers, Each information providing device 1
Each event information is collected, input, and edited by A to 1C.

When the event information is received by each of the information providing devices 1A to 1C, a brief summary of a part of the event information is created, and the position information of the event information (position code representing latitude and longitude). For example, position information such as "XXXYYY" shown in FIG.
Position information is stored in A, 2B, and 2C together with the event information and a part of the summary information.

Also, the summary information of each event information from each of the information providing devices 1A to 1C is, for example, a car navigation system (hereinafter, abbreviated as a car navigation system) 3 as an information terminal.
Prior to the transmission to the information management device 4, an individual identification code for specifying the event information databases 2A to 2C and the event information in the event information databases 2A to 2C in combination with the position information to the information management device 4 Is issued by communication and receives the individual identification code issued from the information management device 4, the received individual identification code is stored in the event information databases 2A to 2C together with the corresponding event information and partial summary information thereof. You.

The issuance request is sent to each of the information providing apparatuses 1A to 1C before storing the received event information and its summary information and position information in the event information databases 2A to 2C as described above, 3 before transmitting the summary information.

On the other hand, when the information management device 4 receives the issuance request of the individual identification code from each of the information providing devices 1A to 1C, at the time of this issuance request, it adds the event information from each of the information providing devices 1A to 1C. Position information based on the position code (see FIG. 3) is acquired, and a different identification symbol is added to the same acquired position information in a management table to be described later, thereby generating an individual identification code. The individual identification codes generated for 1A to 1C are issued by communication. For example, as shown in FIG.
An identification code such as “−1” or “−2” is added to the position information “XXXXYYY” to generate an individual identification code. The generated individual identification code is stored in a management table as shown in FIG. It is registered and stored in the database 5.

When receiving a request for issuing an individual identification code from each of the information providing devices 1A to 1C, the information management device 4
As a result, the summary information of the event information is also acquired. As shown in FIG. 5, an information menu including a combination of the individual identification code and the summary information is stored in the database 5.

Here, the process of acquiring the position information of the information management device 4 corresponds to an acquiring unit, and the process of issuing an individual identification code and the process of creating an information menu correspond to an issuing unit. These processes are performed by a computer constituting the information management device 4, and a control program for performing such a process is readablely stored in a recording medium such as a hard disk of the computer constituting the information management device 4. I have.

As described above, when the individual identification code is acquired from the information management device 4 by each of the information providing devices 1A to 1C, as shown in FIG. 6, the position information, the acquired individual identification code, the summary information, In addition to the event information, the event information databases 2A-2 of each of the information providing devices 1A-1C.
Address information (for example, Internet URL (Uniform Resource Locator), telephone number or facsimile number, etc.) for specifying C and the event information in the event information databases 2A to 2C is stored in the event information databases 2A to 2C. You.

By the way, when an individual identification code issuance request is received from each of the information providing apparatuses 1A to 1C, the information management apparatus 4 also acquires address information such as an Internet URL to which the event information is queried, As shown in FIG. 7, a comparison table including address information and an individual identification code is formed, and a database 5 as a storage unit is formed.
Is stored in

On the other hand, the car navigation system 3 is provided with each information providing device 1A.
Although it is possible to receive summary information that is a part of the event information from .about.1C, the details of the event information can be obtained via the information management device 4 or directly from each of the information providing devices 1A to 1C.

For that purpose, the information management device 4 is requested to obtain the information menu by communication, and when the information menu is obtained from the information management device 4, the obtained information menu is provided in the car navigation system 3. As shown in FIG. 8, the acquired information menu is displayed on the display unit, and from the displayed information menu, the user operates a selection key on the display screen or the like. When a predetermined operation is performed to select a desired individual identification code, an address introduction request accompanied by transmission of the selected individual identification code is made to the information management device 4.

When the information management device 4 receives the address introduction request, the individual identification code transmitted together with the address introduction request is converted into address information based on the comparison table (see FIG. 7), and the converted address information is converted. Is transmitted to the car navigation 3 which is the request destination. Here, the conversion process to the address information by the information management device 4 corresponds to a conversion unit,
This conversion process is performed by a computer constituting the information management device 4, and a control program for performing such a process is readablely stored in a recording medium such as a hard disk of the computer constituting the information management device 4. .

On the other hand, when the address information transmitted from the information management device 4 is received by the car navigation system 3, the received address information is displayed on the display unit, and the user connects to the communication destination of the address information. Is performed, an event information database corresponding to the address information of the event information databases 2A to 2C is connected to obtain the details of the event information, and the details of the obtained event information are displayed on the display unit. It is done.

Next, FIG. 2 showing a car navigation system 3 as an information terminal constituting the information providing system will be described.

As shown in FIG. 2, each of the information providing devices 1A to 1C
When the broadcast station is an M broadcast station, the broadcast receiver receives the summary information added with the individual identification code that is FM multiplex broadcast, and sends the received summary information to the navigation CPU 13.
D-RAM (Dynamic RAM), S-RAM (Sta
tic RAM) or the like, and the outline information is once written in a predetermined writing area, and under the control of the CPU 13, selected from the outline information stored in the storage unit 14 by a predetermined operation of the user. Is displayed on the screen of the display unit 15 composed of a liquid crystal display (LCD).

By the way, as shown in FIG. 5, a plurality of function key images such as the above-mentioned selection keys and cursor movement keys are displayed on the display unit 15, and the cursor is moved by touching these key images. And display unit 1
A predetermined operation for the display of No. 5 is performed.

When the user wants to know the contents of the event information which is the details of the specific summary information, the user touches a key image of "selection" to select a desired individual identification code. , The telephone control unit 17 and the mobile phone 18 constituting the communication unit are controlled, and the telephone control unit 17 and the mobile phone 18 are connected to the information management device 4 via a communication line, and the selected individual identification code is transmitted. Is transmitted to the information management apparatus 4 in response to the address introduction request, the address information is transmitted from the information management apparatus 4, the address information is received by the CPU 13, and the received address information is displayed on the display unit 15. Is displayed.

Further, when the user operates the key image on the display unit 15 to connect to the inquiry destination based on the address information, the CPU 13 controls the telephone control unit 17 and the portable telephone 18, and these telephone control units are controlled. 17 and the mobile phone 18 are connected to the communication destination of the address information via a communication line, and the detailed contents of the event information are stored in the CPU 1.
The detailed contents of the received event information are stored and stored in the storage means 14 and displayed on the display unit 15.

By the way, as shown in FIG.
obal Positioning System) Radio waves from a plurality of GPS satellites are received by the receiver 20 via the receiving antenna 21, and the received signal is output to the CPU 13, which detects the current position (latitude, longitude) of the vehicle and performs navigation. At times, the CPU 13 reads road map data around the current position of the vehicle from the road map data stored in the map data storage unit 22 composed of a CD-ROM or the like, and outputs a road map based on the read road map data. Is displayed on the screen of the display unit 15.

If the destination is set by a predetermined operation of the key image on the display unit 15, the CPU 13 derives the optimum route to the destination and displays the route on the displayed road map. Route guidance to the destination, that is, route guidance is performed.

Further, the CPU 13 is provided with a function of displaying the summary information using the navigation function. That is, when a road map around the current position of the own vehicle is displayed on the display unit 15, among the provided positions of each of the plurality of pieces of summary information stored in the storage unit 14, for example, within a radius of 10 km from the own vehicle. When a predetermined key image is operated to display an existing information providing position, a predetermined mark indicating the corresponding information providing position is superimposed and displayed on the displayed road map by the CPU 13 based on this operation. You.

Next, the operation will be described with reference to the flowcharts of FIGS.

First, the operation of generating an individual identification code in the information management device 4 will be described. As shown in the flowchart of FIG. 9, a request for issuing an individual identification code is transmitted from each of the information providing devices 1A to 1C. 1A ~
When the position information (see FIG. 3) is obtained from 1C (S
1) It is determined whether or not there is the same location information as the acquired location information in the management table (see FIG. 4) (S2). If the determination result is YES, an unregistered identification symbol is registered. (S3).

At this time, for example, “XX” as shown in FIG.
XYYY "in the management table,
On the other hand, an identification symbol “−1” is added to “X”
When an individual identification code of “XXYYY-1” is generated and already registered in the management table, new event information from the information provider of the position code of “XXXYYY” is used so as not to overlap with this. A registration identification symbol “−2” is added and registered, and an individual identification code “XXXYYY-2” is generated and registered in combination with the position information.

On the other hand, if the decision result in the step S2 is NO, after an arbitrary identification symbol is registered in the management table and an individual identification code is generated (S4), the process goes to the step S5 after passing through the processing of the step S3. The information providing apparatus 1 that has shifted and generated the individual identification code has issued the issuance request
A is issued to A to 1C (S5), and then the individual identification code generation operation ends.

The operation of creating an information menu in the information management device 4 will be described. As shown in the flowchart of FIG. 10, the information providing devices 1A to 1C, which have issued the individual identification code issuing request, request the position at the time of the issuance request. Information and summary information of the event information are acquired (S1).
0), an individual identification code is generated in combination with the obtained position information (S11), and an information menu including a combination of the obtained outline information and the generated individual identification code is created (S12), and is created. On the condition that there is a request to acquire the information menu, the information is transmitted to the car navigation system 3, which is the end of the information that made the request (S13), and the operation is thereafter terminated.

Next, the operation of providing address information by the information management device 4 will be described. As shown in the flowchart of FIG. 11, the car navigation system 3 is used to obtain address information corresponding to the individual identification code selected by the user. When the address introduction request is transmitted from the server, the individual identification code transmitted together with the request is obtained (S20), and the individual identification code is converted into address information based on the comparison table (S21). Car navigation 3
(S22), and the operation ends thereafter.

Next, the operation of the car navigation system 3 will be described with reference to the flowchart of FIG. 12. As shown in FIG. 13, the user can select desired summary information from the information menu displayed on the display unit 15. When the individual identification code is selected and an address introduction request accompanied with the transmission of the individual identification code is transmitted to the information management device 4 (S25), the desired address information transmitted from the information management device 4 as described above. Is acquired (S26), a request for acquiring detailed contents of desired event information and an individual identification code are transmitted to the communication destination of the acquired address information via a communication line (S27), and the information providing apparatus 1A is provided. The detailed contents of the event information are acquired from １1C (S28), and the operation ends thereafter.

As described above, in each of the information providing apparatuses 1A to 1C, the event information database 2A of the event information
Prior to storing the information in the .about.2C or transmitting the summary information to the car navigation system 3, individual information for specifying the event information databases 2A to 2C and the event information in the event information databases 2A to 2C in combination with the position information. The identification code is obtained from the information management device 4, and the obtained individual identification code is added to the event information.

When the information management device 4 receives a request for issuing an individual identification code from each of the information providing devices 1A to 1C, the information providing device 1A to 1C obtains the position information to be added to the event information from the information providing devices 1A to 1C and obtains the position information. A different identification code is added to the same position information that has already been generated to generate an individual identification code, which is issued to the information providing apparatuses 1A to 1C that have issued the individual identification code issuance request. Further, the information management device 4 creates an information menu including a combination of the summary information of the event information and the generated individual identification code, and provides the information menu to the car navigation system 3 in response to a request from the car navigation system 3.

On the other hand, when there is an address introduction request accompanied by transmission of the individual identification code from the car navigation system 3 to the information management device 4, the individual identification code is obtained from the comparison table stored in the database 5 of the information management device 4. Since the converted address information is provided to the car navigation 3 that has been converted to the address information, the address information is received by the car navigation 3 and the information providing apparatuses 1A to 1C that are the communication destinations of the received address information. Is connected via a communication line, and details of desired event information are acquired from the event information databases 2A to 2C.

Therefore, according to the above-described first embodiment, for example, different individual identification codes are assigned only to event information at the same position, so that the code length can be significantly reduced, and each of the information providing apparatuses 1A to 1A The amount of information transmitted from 1C can be significantly reduced.

Further, the car navigation system 3 selects an individual identification code of the summary information desired by the user from the acquired information menu, and transmits an address introduction request accompanied by transmission of the individual identification code to the information management device 4. Since it is possible to acquire the address information for providing the details of the event information corresponding to the individual identification code to the source, there is no need to incorporate the address information into the information menu provided from the information management device 4, and the car navigation system 3 The amount of information to be stored on the side can be reduced, and the amount of data to be transmitted from the information management device 4 can be reduced.

(Second Embodiment) A second embodiment of the present invention will be described with reference to FIGS. 13 to 16 are flowcharts for explaining the operation. The basic configuration of the entire system and the configuration of the car navigation system 3 as an information terminal according to the present embodiment are the same as those shown in FIGS. 1 and 2, respectively. 1, also refer to FIG.
In particular, differences from the first embodiment will be described.

The present embodiment is different from the first embodiment in the following points. That is, the information management device 4
However, if there is an event information acquisition request accompanied by transmission of an individual identification code from the car navigation system 3, the transmitted individual identification code is converted into address information based on a comparison table (see FIG. 7), and specified by the converted address information. Information providing apparatuses 1A to 1 including event information databases 2A to 2C
1C via a communication line, transmits the transmitted individual identification code or converted address information to the information providing devices 1A to 1C, and searches the event information databases 2A to 2C for event information specified thereby. The difference from the first embodiment is that the obtained event information is received from the information providing devices 1A to 1C and transmitted to the car navigation system 3.

Further, the car navigation system 3 sends an event information acquisition request accompanied by transmission of an individual identification code selected by the user from the information menu acquired from the information management device 4 to the information management device 4, and the event information The point that the event information transmitted from the information management device 4 is received in response to the acquisition request is different from the first embodiment described above.

Here, the transmission / reception processing of the event information by the information management apparatus 4 corresponds to a communication unit, and this processing is performed by a computer constituting the information management apparatus 4.
A control program for performing this processing is readablely stored in a recording medium such as a hard disk of a computer constituting the information management device 4. Further, the transmission / reception processing by the car navigation 3 corresponds to a transmission / reception unit, and is performed by the CPU 13 of the car navigation 3.

Next, the operation will be described with reference to the flowcharts of FIGS. First, the event information collecting operation of each of the information providing apparatuses 1A to 1C will be described.

FIG. 13 shows an example of acquiring a URL and an individual identification code, accessing a WWW (World Wide Web) server, and
This shows a procedure for searching for specific event information by an individual identification code using I. When an event information transmission request from the information management device 4 is accepted and an individual identification code is acquired (S31), the information is acquired. The URL and the individual identification code, which are the address information, and the CGI (C
Using the ommon gateway interface), the event information in the event information databases 2A to 2C is searched (S32), and the corresponding event information is read from the event information databases 2A to 2C (S33). The event information is transmitted to the information management device 4 (S3
4) Then, the operation ends.

Now, a modification of the event information collecting operation of each of the information providing apparatuses 1A to 1C will be described.
Reference numeral 4 designates a procedure for designating and searching for a file of specific event information only with the URL acquired from the information management apparatus 4, and as shown in FIG. When the URL as information is acquired (S38), the acquired URL
The file specified by L is searched, and the file is transferred to the information management device 4 (S39), after which the operation ends.

Next, the operation of the information management apparatus 4 for acquiring event information will be described. As shown in FIG. 15, an event information transmission request from the car navigation system 3 is accepted, and the individual identification code selected by the user is displayed. When it is acquired (S41), the acquired individual identification code is converted into corresponding address information based on the comparison table in the database 5 (S42), and is connected to a communication destination of the address information via a communication line, so that event information is obtained. Is transmitted (S43), the event information transmitted in response to the request is received and acquired (S44), and the acquired event information is transmitted to the car navigation system 3 which has issued the event information transmission request (S4). Then, the operation ends.

Next, the operation of the car navigation system 3 for acquiring event information will be described. As shown in FIG. 16, transmission of an individual identification code corresponding to desired event information selected by the user to the information management device 4 is performed. Is transmitted (S48), and the event information transmitted from the information management device 4 in response to the request is received.
The acquired event information is acquired (S49), the content of the acquired event information is displayed on the display unit 15, and then the operation ends.

As described above, by transmitting the event information acquisition request accompanied by the transmission of the individual identification code corresponding to the desired event information selected by the user from the car navigation system 3 to the information management device 4, Details of the desired event information are acquired by the car navigation 3 via the device 4.

Therefore, according to the second embodiment, the same effects as those of the first embodiment can be obtained, and the event corresponding to the individual identification code via the information management device 4 can be obtained. You can get more information,
The load required for acquiring detailed event information in the car navigation system 3 can be reduced.

Further, even if the reception state deteriorates while receiving the details of the event information, the details of the event information can be obtained again from the information management device 4 after the reception state has stabilized, so that a more stable state can be obtained. Information can be obtained.

(Third Embodiment) A third embodiment of the present invention will be described with reference to FIGS. 17 to 21 are operation explanatory diagrams, and FIGS. 22 to 24 are operation explanatory flowcharts. The basic configuration of the entire system and the configuration of the car navigation system 3 as an information terminal according to the present embodiment are the same as those shown in FIGS. 1 and 2, respectively. 1 and FIG. 2, particularly, points different from the first embodiment will be described.

The present embodiment differs from the first embodiment in the following points. In other words, each of the information providing apparatuses 1A to 1C notifies the information management apparatus 4 of the expiration date of the event information when issuing the individual identification code issuance request. The point that the term information indicating the term is acquired, the acquired individual identification code and the term information are added to the event information, and the event information whose expiration date has passed is deleted from the event information databases 2A to 2C. This is different from the first embodiment. Here, each information providing device 1
The processing of adding the individual identification code and the term information in A to 1C corresponds to an adding unit, and this processing is performed by each of the information providing apparatuses 1A to 1C.
This is performed by the computer constituting the 1C.

On the other hand, the information management device 4 acquires the summary information and the expiration date of the event information together with the position information from each of the information providing devices 1A to 1C, and adds the individual identification code with the term information to the summary information. Such an individual identification code with an expiration date is registered in a management table as shown in FIG. 17 and stored in the database 5. At this time, an individual identification code is generated by adding a different identification code to the same position information already acquired in the management table and issued to each of the information providing apparatuses 1A to 1C, but the expiration date has already passed. In addition to the above, the individual identification code is reissued for different information providing apparatuses 1A to 1C or different event information, and is composed of a combination of the outline information and the individual identification code with time limit information as shown in FIG. This embodiment is different from the first embodiment in that an information menu is created and provided to the car navigation system 3 and the outline information whose expiration date has passed is deleted from the information menu.

As shown in FIG. 19, the information management device 4 includes the event information databases 2A to 2C and the event information databases 2A to 2C of the information providing devices 1A to 1C.
Forming a comparison table of the address information for identifying the event information in C and the individual identification code with the term information, and storing the formed comparison table in the database 5 as a storage unit;
Further, upon receiving an address introduction request accompanied by transmission of the individual identification code with expiration information from the car navigation system 3, the individual identification code with expiration information is converted into address information based on the comparison table of the database 5 for those whose expiration date has not passed. This is different from the above-described first embodiment in that the data is transmitted to the car navigation system 3.

Here, the position information by the information management device 4,
The process of acquiring the summary information and the expiration date corresponds to the acquiring unit, the process of issuing and reissuing the individual identification code corresponds to the issuing unit, and the process of converting to the address information corresponds to the converting unit. These processes are performed by a computer constituting the information management device 4, and a control program for performing such processes includes:
The information management device 4 is readable and stored in a recording medium such as a hard disk of a computer.

Further, the car navigation system 3 acquires the information menu (see FIG. 18) from the information management device 4, and adds the time limit information selected from the information menu displayed on the display unit 15 as shown in FIG. Only for the individual identification code whose expiration date has not expired, an address introduction request accompanied by its transmission is transmitted to the information management device 4, and the address information transmitted from the information management device 4 in response to the address introduction request Is different from the first embodiment described above. Here, the transmission / reception processing by the car navigation system 3 corresponds to a transmission / reception unit, and is performed by the CPU 13.

When the individual identification code with the term information is acquired from the information management device 4 by each of the information providing devices 1A to 1C, the position information and the acquired individual identification code are obtained as shown in FIG. , Summary information, detailed event information, the event information databases 2A to 2C and the event information database 2A of each of the information providing devices 1A to 1C.
The expiration date is stored in the event information databases 2A to 2C in addition to the address information such as the URL for specifying the event information in the event information in the event information. As described above, the point that the expiration date is also stored in the event information databases 2A to 2C is different from the first embodiment.

Next, the operation will be described with reference to the flowcharts of FIGS. First, the operation of checking the expiration date in each of the information providing apparatuses 1A to 1C will be described.

Now, as shown in FIG. 22, it is determined whether or not any event information whose expiration date has passed exists in the event information databases 2A to 2C (S51).
If this determination is NO, this determination is repeated until the determination is YES. If the determination in step S51 is YES, the event information databases 2A-
All the items of the corresponding event information are deleted from 2C (S
52) Then, the operation ends.

Next, the operation of checking the expiration date in the information management device 4 will be described. As shown in FIG. 23, the individual identification code whose expiration date has passed is stored in the management table (see FIG. 17) in the database 5. It is determined whether or not there is (S55), and if this determination is NO, this determination is repeated until the determination is YES.
If the decision result in the step S55 is YES, the corresponding individual identification code is deleted from the database 5 (S55).
56) Then, the operation ends.

Further, the operation of acquiring the event information of the car navigation system 3 will be described. As shown in FIG. 24, when the user performs a desired event information acquisition operation (S6).
1) The information menu including the expiration date is acquired from the information management device 4 (S62), the expiration date of the acquired information menu is referred to (S63), and it is determined whether the expiration date has passed. (S64), the determination result is NO
In this case, the expiration date has not elapsed and the information can be determined to be valid. Therefore, in the same manner as in the above-described first embodiment (see steps S25 to S28 in FIG. 12), the process of acquiring details of event information Is performed (S65).

On the other hand, if the decision result in the step S64 is YES.
If so, the information can be determined to be invalid after the expiration date, and the acquisition process is interrupted and the display unit 15
Is displayed to the user, such as displaying an error message to that effect (S66), and the operation is thereafter terminated.

As described above, since the expiration date is added to the individual identification code, if the expiration date has passed, the corresponding event information is deleted from the transmission target, and the expiration date has passed. Only those that are not provided are provided to the car navigation system 3.

In the information management device 4, the identification code once assigned to the individual identification code is assigned to another individual identification code after the expiration date has passed, and the individual identification code composed of a smaller number of types of identification codes is often used. Information is provided.

Furthermore, when the expiration date is not managed, the individual identification code added to the outline information whose expiration date has passed may have the same identification symbol added to another information. When an information menu including a combination of the outline information after the expiration date and the individual identification code is created and transmitted to the car navigation system 3, the car navigation system 3 may not correctly update the stored information.

However, by managing the expiration date as described above, the outline information whose expiration date has passed is reliably deleted from the information menu, so that the car navigation 3 can correctly update the stored information. is there.

Therefore, according to the third embodiment, if the expiration date of the event information acquired from each of the information providing apparatuses 1A to 1C has passed in the information management apparatus 4, the information providing apparatus having a different individual identification code is provided. Re-issued for the device or different event information, it is possible to assign the identification code once assigned to the individual identification code to another individual identification code after the expiration date, and from a smaller number of identification symbols A lot of information can be provided by the individual identification code.

Further, since the types of identification symbols can be reduced, the amount of information to be stored in the car navigation 3 can be reduced.

If there is an address introduction request accompanied by transmission of an individual identification code from the car navigation system 3, the individual identification code is converted from the comparison table into address information only for those whose expiration date has not passed, and the car navigation system 3 , The individual identification code whose expiration date has passed is not converted into address information. Therefore, the car navigation device 3 can correctly update the stored information, and can always obtain address information whose expiration date has not elapsed from the information management device 4.

In each of the embodiments described above, the information providing apparatus is described as having three locations. However, it is needless to say that the present invention can be applied to two or four or more locations. The effect of the present invention is remarkable in a case where there are many devices.

Further, in each of the above-described embodiments, the case has been described where the identification symbol constituting the individual identification code is constituted by a numeral such as 1, 2,..., But in addition to this, the alphabet and other identification symbols are used. Of course, it does not matter.

Further, in each of the above embodiments, the case where the information terminal is the car navigation system 3 has been described. However, the information terminal is not limited to this.

In each of the embodiments described above, the recording medium that readablely stores the control program for controlling the information management device 4 is not particularly limited to a hard disk, but may be any other magnetic recording medium or CD-ROM. May be stored in an optical disk such as an optical disc, a magneto-optical recording medium such as an MO, or the like.

The present invention is not limited to the above-described embodiment, and various changes other than those described above can be made without departing from the gist of the present invention.

[0116]

As described above, according to the first aspect of the present invention, prior to storing the event information in the database or transmitting the summary information to the information terminal, the event information is stored in the database in combination with the position information. An individual identification code for identifying the event information in the database is obtained, and the obtained individual identification code is added to the event information. This can greatly reduce the amount of information transmitted from the information providing device.

According to the second aspect of the present invention, when an individual identification code issuance request is received from the information providing apparatus,
Since the position information to be added to the event information is acquired from the information providing device, a different identification code is added to the already acquired same position information, an individual identification code is generated, and issued to the information providing device. A different individual identification code can be assigned only to event information at the same position, and the code length can be significantly reduced.

According to the third aspect of the present invention, the information terminal associates the received summary information with the individual identification code based on the information menu, so that the database and the event information in the database can be associated with each other. And the details of the event information can be obtained.
Furthermore, since only minimal information needs to be incorporated in the information menu, the amount of information to be stored on the information terminal side can be reduced, and the amount of data to be transmitted can be reduced.

According to the invention described in claim 4, the information terminal can acquire the details of the event information from the database by connecting to the communication destination of the address information provided from the information management device. it can. Furthermore, since it is not necessary to incorporate address information into the information menu, the amount of information to be stored on the information terminal side can be reduced, and the amount of data to be transmitted can be reduced.

According to the fifth aspect of the present invention, the information terminal transmits the event information acquisition request accompanied by the transmission of the individual identification code, so that the desired event information is transmitted via the information management device. Since the details can be acquired, the load required for acquiring the details of the event information in the information terminal can be reduced.

Further, even if the reception condition is deteriorated while receiving the details of the event information in the information terminal, the details of the event information can be obtained again from the information management device after the reception condition is stabilized. It is possible to obtain stable information.

According to the invention described in claim 6, by appropriately selecting the individual identification code of the desired summary information from the information menu, the selected individual identification code is transmitted to the information management device, for example. It is possible to know details by transmitting information of an inquiry destination or event information corresponding to the individual identification code.

According to the present invention, an individual identification code of desired summary information is selected from an information menu, and an address introduction request accompanied by transmission of the individual identification code is transmitted to the information management apparatus. Thus, it becomes possible to acquire the address information on the acquisition source of the details of the event information corresponding to the individual identification code. Furthermore, since there is no need to incorporate address information into the information menu,
The amount of information to be stored on the information terminal side can be reduced, and the amount of data to be transmitted can be reduced.

According to the present invention, an individual identification code of desired summary information is selected from the information menu, and an event information acquisition request accompanied by transmission of the individual identification code is transmitted to the information management device. This makes it possible to acquire the details of the event information corresponding to the individual identification code via the information management device. Furthermore, even if the reception state deteriorates while receiving the details of the event information, the details of the event information can be obtained again from the information management device after the reception state is stabilized, so that more stable information can be obtained. become.

Further, according to the ninth aspect of the present invention, by adding an expiration date to the individual identification code, event information whose expiration date has passed is deleted from the target to be provided. Since only those whose expiration date has not passed are transmitted to the information terminal, it is possible to assign the identification code once assigned to the individual identification code to another individual identification code after the expiration date has passed. A lot of information can be provided by an individual identification code consisting of the above identification symbols. Furthermore, since the types of identification symbols can be reduced, the amount of information to be stored on the information terminal side can be reduced.

According to the tenth aspect of the present invention,
If the expiration date of the event information acquired by the acquisition unit has passed, the individual identification code is reissued for a different information providing device or different event information, and thus the identification symbol once assigned to the individual identification code Can be assigned to another individual identification code after the expiration date, and more information can be provided by the individual identification code composed of fewer kinds of identification symbols. Furthermore, since the types of identification symbols can be reduced, the amount of information to be stored on the information terminal side can be reduced.

According to the eleventh aspect of the present invention,
Since the outline information whose expiration date has passed is deleted from the information menu, it is possible to correctly update the storage information on the information terminal side.

According to the twelfth aspect of the present invention,
If there is an address introduction request that involves the transmission of an individual identification code from the information terminal, only for those whose expiration date has not passed, the individual identification code will be converted to address information from the comparison table and transmitted to the information terminal. When the expiration date has passed, the individual identification code is not converted into the address information, and the information terminal can correctly update the storage information.

According to the thirteenth aspect of the present invention,
On the information terminal side, when the event information acquisition request accompanied by the transmission of the individual identification code is transmitted, only the event information for which the expiration date has not passed can be acquired through the information management device for the event information. In the case where the expiration date has passed, the details of the event information are not transmitted to the information terminal via the information management device, and the information stored on the information terminal can be correctly updated. .

According to the fourteenth aspect of the present invention,
In the information terminal, the individual identification code whose expiration date has not expired can be selected from the obtained information menu, and this can be transmitted to the information management device side. It is possible to obtain event information that has not passed.

According to the fifteenth aspect of the present invention,
Since the address introduction request accompanying the transmission of the individual identification code whose expiration date has not expired among the individual identification codes selected from the information menu is transmitted to the information management device, the expiration date always passes from the information management device. It is possible to obtain valid event information by obtaining address information that has not been performed.

According to the sixteenth aspect of the present invention,
Since the event information acquisition request accompanied by the transmission of the individual identification code whose expiration date has not elapsed among the individual identification codes selected from the information menu is transmitted to the information management device, the information management device always outputs the expiration date. Event information that has not elapsed can be obtained.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing an overall configuration of a first embodiment of the present invention.

FIG. 2 is a partial block diagram of the first embodiment of the present invention.

FIG. 3 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 4 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 5 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 6 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 7 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 8 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 9 is a flowchart for explaining the operation of the first embodiment of the present invention.

FIG. 10 is a flowchart for explaining the operation of the first embodiment of the present invention.

FIG. 11 is a flowchart for explaining the operation of the first embodiment of the present invention.

FIG. 12 is a flowchart for explaining the operation of the first embodiment of the present invention.

FIG. 13 is a flowchart for explaining the operation of the second embodiment of the present invention.

FIG. 14 is a flowchart for explaining the operation of the second embodiment of the present invention.

FIG. 15 is a flowchart for explaining the operation of the second embodiment of the present invention.

FIG. 16 is a flowchart for explaining the operation of the second embodiment of the present invention.

FIG. 17 is an operation explanatory diagram of the third embodiment of the present invention.

FIG. 18 is an operation explanatory diagram of the third embodiment of the present invention.

FIG. 19 is an operation explanatory diagram of the third embodiment of the present invention.

FIG. 20 is an operation explanatory diagram of the third embodiment of the present invention.

FIG. 21 is an operation explanatory diagram of the third embodiment of the present invention.

FIG. 22 is a flowchart for explaining the operation of the third embodiment of the present invention.

FIG. 23 is a flowchart for explaining the operation of the third embodiment of the present invention.

FIG. 24 is a flowchart for explaining the operation of the third embodiment of the present invention.

[Explanation of symbols]

1A to 1C Information providing device (addition unit) 2A to 2C Event information database 3 Car navigation (information terminal) 4 Information management device (acquisition unit, issuing unit, conversion unit, communication unit) 5 Database (storage unit) 13 CPU (transmission / reception unit) )

Continued on the front page (51) Int.Cl. ⁷ Identification code FI Theme coat II (reference) G06F 15/401 310C F term (reference) 2F029 AA02 AA07 AB05 AB07 AB13 AC02 AC09 AC13 AC16 5B075 ND20 NK10 NK13 PP13 PQ02 PQ05 UU13 5B089 GA11 GA21 JA33 JB01 JB22 KA08 KA11 KB06 KB11 KC15 KC22 KC29 KC51 KH03 LB03 LB15 5H180 AA01 AA21 BB05 BB13 CC12 EE18 FF05 FF13 FF22 FF33 FF38

Claims (16)

[Claims] 1. Collecting, inputting, and editing event information such as information about restaurants, information about shopping, information about events held in amusement places such as amusement parks and specific areas, etc., sent from various information providers, In an information providing apparatus for adding location information indicating a location to event information and storing the information in a database, and transmitting the event information or a part thereof stored in the database as summary information to an information terminal by broadcasting or communication means Prior to storing the event information in the database or transmitting the summary information to the information terminal, an individual identification code for specifying the database and the event information in the database in combination with the position information Issue the issuance request, the individual obtained by communication in response to the issuance request Information providing apparatus characterized by comprising an adding unit for adding a different code to the event information. 2. An information management apparatus for managing an information providing apparatus according to claim 1, wherein a request for issuing said individual identification code is received from a plurality of said information providing apparatuses, and when said issuance request is issued, said information providing apparatus receives a request from said information providing apparatus. An acquisition unit for acquiring position information to be added to the event information, and generating the individual identification code by adding a different identification code to the same acquired position information, and issuing the generated individual identification code to the information providing apparatus. An information management device, comprising: an issuing unit. 3. The issuing unit acquires the summary information of the event information together with the position information from the information providing device, adds the individual identification code to the summary information, and acquires a plurality of the summary information and the individual The information management device according to claim 2, wherein an information menu including a combination with an identification code is created and provided to the information terminal. 4. A storage unit for storing the database of the information providing device, address information for specifying the event information in the database, and a comparison table of the individual identification code, and the individual identification from the information terminal. When there is an address introduction request accompanied by transmission of a code, a conversion unit is provided that converts the transmitted individual identification code into the address information based on the comparison table and provides the address information to the information terminal. Item 4. The information management device according to Item 3. 5. A storage unit for storing the database of the information providing device, address information for specifying the event information in the database, and a comparison table of the individual identification code, and the individual identification from the information terminal. If there is an event information acquisition request accompanied by transmission of a code, a conversion unit that converts the transmitted individual identification code into the address information based on the comparison table, and the database specified by the converted address information are provided. The information terminal connects to the information providing apparatus, transmits the individual identification code or the converted address information from the information terminal, receives the event information specified by the individual identification code or the address information from the database, and receives the event information. 4. The information according to claim 3, further comprising: a communication unit that transmits the information to the communication device. Management device. 6. An information terminal that receives information from the information management device according to claim 3, further comprising a transmission / reception unit that acquires the information menu from the information management device. 7. An information terminal for receiving information from the information management device according to claim 4, wherein the address includes transmission of the individual identification code selected from the information menu obtained from the information management device. An information terminal, comprising: a transmission / reception unit that transmits an introduction request to the information management device and receives the address information transmitted from the information management device in response to the address introduction request. 8. An information terminal for receiving information from the information management device according to claim 5, wherein the event involves transmission of the individual identification code selected from the information menu acquired from the information management device. An information terminal, comprising: a transmission / reception unit that transmits an information acquisition request to the information management device and receives the event information transmitted from the information management device in response to the event information acquisition request. 9. The adding unit issues a request for issuing the individual identification code, acquires expiration date information indicating an expiration date of the event information together with the individual identification code, and transmits the acquired individual identification code and the expiration date information to each other. The information providing apparatus according to claim 1, wherein the information providing apparatus adds the event information and deletes the event information whose expiration date has passed from an object to be provided. 10. An information management apparatus for managing an information providing apparatus according to claim 9, wherein a request for issuing said individual identification code is received from a plurality of said information providing apparatuses, and when said issuance request is issued, said information providing apparatus receives a request from said information providing apparatus. An acquisition unit for acquiring position information to be added to the event information and an expiration date of the event information; and generating the individual identification code by adding a different identification symbol to the same acquired position information. And an issuing unit for reissuing the individual identification code for the information providing apparatus or the different event information which has already passed the expiration date. Characteristic information management device. 11. The issuing unit acquires the summary information and the expiration date of the event information together with the position information from the information providing device, and replaces the individual identification code with the expiration date indicating the expiration date in the outline information. In addition, an information menu including a combination of a plurality of the summary information and the individual identification code with time limit information is created and provided to the information terminal, and the overview information whose expiration date has passed is displayed in the information menu. The information management device according to claim 10, wherein the information management device deletes the information. 12. A storage unit for storing a comparison table of address information for specifying the database of the information providing apparatus, the event information in the database, and the individual identification code with the term information, and the information terminal. If there is an address introduction request accompanied by transmission of the individual identification code with the expiration information, if the expiration date has not passed, the individual identification code with the expiration information is converted to the address information based on the comparison table. The information management device according to claim 10, further comprising a conversion unit that provides the information terminal with the information terminal. 13. A storage unit for storing a comparison table of address information for specifying the database of the information providing device, the event information in the database, and the individual identification code with the term information, and the information terminal. If there is an event information acquisition request accompanied by transmission of the individual identification code with the expiration information, the individual identification code with the expiration information is converted into the address information based on the comparison table for those whose expiration date has not passed. A conversion unit, connected to the information providing apparatus having the database specified by the converted address information, transmitting the individual identification code or the converted address information from the information terminal, and transmitting the individual identification codes from the database; Receiving the event information specified by a code or address information, The information management apparatus according to claim 10, further comprising a communication unit that transmits the information to a terminal. 14. An information terminal that receives information from the information management device according to claim 11, further comprising a transmission / reception unit that acquires the information menu from the information management device. 15. An information terminal for receiving information from the information management device according to claim 12, wherein the information terminal includes an individual identification code with an expiration date selected from the information menu acquired from the information management device. Only for those whose expiration date has not elapsed, an address introduction request accompanied by the transmission is transmitted to the information management device, and the address information transmitted from the information management device in response to the address introduction request is received. An information terminal comprising a transmission / reception unit. 16. An information terminal for receiving information from the information management device according to claim 13, wherein the information terminal receives the individual identification code with the expiration date selected from the information menu obtained from the information management device. Only for those for which the expiration date has not passed, an event information acquisition request accompanied by the transmission is transmitted to the information management device, and the event information transmitted from the information management device in response to the event information acquisition request is transmitted. An information terminal comprising a transmitting / receiving unit for receiving.