JPH08214086A - Information distribution system provided with automatic access point telephone number notification circuit - Google Patents

Abstract

PURPOSE: To save communication cost by providing a dialing circuit rewriting the telephone number of a recorded access point to a new telephone number when the telephone number of a new access point is received. CONSTITUTION: A telephone number storage circuit 41 stores the telephone number of a terminal equipment 4 and outputs the telephone number to a central processing unit 40 at the time of a request. A dialing circuit 42 outputs the telephone number of a preliminarily recorded access point 2 to a central processing unit 40 in response to the command signal accompanied by a request operation. When an access point 2 is called by automatically performing a dialing via the central processing unit 40 and the telephone number of a new access point is transmitted, the telephone number recorded in the dialing circuit 42 is rewritten to a new telephone number.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone number of an access point recorded in each terminal device in an information distribution system for distributing various information from a plurality of access points connected to a database through a public communication line. Relates to an information distribution system in which is always automatically rewritten to the optimum access point.

[0002]

2. Description of the Related Art Generally, a database for distributing information on a nationwide scale is provided with a plurality of access points, each access point is assigned at least one telephone number, and each terminal device is The telephone numbers of the access points that have jurisdiction over the area where each terminal is installed are recorded in advance.When you perform the operation required to request information, the telephone number is automatically dialed and the terminal is set in advance. Each of the subscribing terminal devices requests information from pre-allocated access points, and obtains and uses desired information from these access points.

The access point telephone number recorded in each terminal device is used to move users, move terminal devices, add access points, etc. in order to save communication costs.
When the telephone number of the optimum access point of each terminal device changes due to a change or the like, it must be rewritten. However, conventionally, since the input of the telephone number of the access point relies on human beings, there have been problems such as forgetting to rewrite and input errors. Further, if the rewriting work is not performed, a distant access point is called to use the database, which causes a problem that communication cost increases.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to always optimize the telephone number of an access point recorded in a terminal device. An object of the present invention is to provide an information providing system provided with an access point telephone number automatic notification circuit that can be automatically rewritten.

[0005]

The above-mentioned object is to provide a database, a plurality of access points for exchanging data with the database via a communication line, and an access point designated in advance via a public telephone line. In an information distribution system consisting of a plurality of terminal devices that are connected and receive desired information, the access point has a telephone number identification circuit that identifies the telephone number of the terminal device that received the request, and the jurisdiction of each access point. When the memory for recording the telephone number list and the terminal device telephone number identified by the telephone number identification circuit are different from the number of the controlling telephone station,
With reference to the jurisdiction telephone number list recorded in the memory, select the optimum access point, and provide a number record rewriting device that outputs the telephone number to the terminal device, the terminal device,
A telephone number storage circuit that stores your own telephone number and the telephone number of a predetermined access point are recorded, and that telephone number is automatically dialed in response to a command signal at the time of a request. When the telephone number of a different access point is received, the dialing circuit for rewriting the telephone number of the recorded access point to that of the new terminal device is provided, and the access point telephone number automatic notification circuit is provided. It is achieved by an information distribution system.

[0006]

With the above construction, when the telephone number of the access point recorded in the terminal device is not the optimum one, the telephone number is automatically rewritten.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the drawings. FIG. 1 is a block diagram showing a network structure of an information distribution system equipped with an access point telephone number automatic notification circuit according to the present invention. In the figure, 1 is a database, 2 is an access point connected to the database 1 via a dedicated line, 3 is a public telephone line, and 4 is a terminal device connected to the public telephone line 3.

Although only one access point 2 is shown in the figure, one access point similar to the access point 2 is connected to the database 1 for each predetermined area. Although only one terminal device 4 is shown in the figure, the access point 2
Are connected to a large number of terminal devices installed in respective homes, and the terminal device 4 is a device such as a controller (not shown), a display, and a speaker, which are required for request operation and use of request information. It is equipped with.

The access point 2 holds a large amount of data supplied from the database 1, and the terminal device 4
In response to the request, the predetermined information is output to the terminal device 4. Therefore, the access point 2
It has a central processing unit 20, an access point telephone number automatic notification circuit 21 connected to the central processing unit 20, a data memory 22, and a modem 23 connecting the central processing unit 20 and the public telephone line 3.

A large amount of data supplied from the database 1 is recorded in the data memory 22. The access point telephone number automatic notification circuit 21 includes a telephone number identification circuit 210 connected to the central processing unit 20 and a number record rewriting apparatus 2 connected to the telephone number identification circuit 210.
11 and a memory 2 connected to the number record rewriting device 211
It consists of 12 and.

The telephone number identification circuit 210 analyzes the telephone number of the terminal device 4 which has received the request, and judges whether or not the area code is within the range controlled by the access point 2.
When it is under the jurisdiction, it sends a download start signal to the central processing unit 20, and the central processing unit 20 receiving the signal calls the information according to the request information from the data memory 22 and sends it. The data is output to the terminal device 4 via the modem 23 and the public telephone line 3.

On the other hand, when the terminal device 4 is out of the jurisdiction, the telephone number data of the terminal device 4 is sent to the number record rewriting device 211. The memory 212 stores a telephone number of each access point and a list of telephone numbers controlled by each access point. The number record rewriting device 211 receives telephone number data from the telephone number identification circuit 210. At some time, the access point which controls the telephone number of the terminal device is selected from the record of the memory 212, and the telephone number of the access point is sent to the terminal device 4 through the central processing unit 20, the modem 23 and the public telephone line 3. It is a thing.

The terminal device 4 includes a central processing unit 40, a telephone number storage circuit 41 connected to the central processing unit 40, a dialing circuit 42, a public telephone line 3 and the central processing unit 4.
0 and a modem 43 for connecting to 0. The telephone number storage circuit 41 stores the telephone number of the terminal device 4 and outputs the telephone number to the central processing unit 40 when making a request.

The dialing circuit 42 responds to a command signal issued in response to a request operation, and stores the telephone number of the access point 2 recorded in advance in the central processing unit 4.
0, and automatically dials through the central processing unit 40 to call the access point 2 and, when the access point 2 sends out a new access point telephone number, records it in the dialing circuit 42. The telephone number of the access point 2 being transmitted is immediately rewritten to the transmitted telephone number.

Therefore, in the information distribution system equipped with this automatic access point telephone number notifying circuit, when an access point having jurisdiction over a particular telephone station is called from a terminal device having a telephone number outside the jurisdiction The telephone number of the original access point recorded in is automatically rewritten to the telephone number of the optimum access point.

When the telephone number of the access point is rewritten as described above, the information may be provided as it is, but when the rewriting is performed, the output of the request data from the terminal device is stopped, It is recommended to call a new access point and receive information again. Further, the present invention is not limited to the above-described embodiments, but includes all modified embodiments that can be easily conceived by those skilled in the art from the above description.

[0017]

Since the information distribution system having the access point telephone number automatic notification circuit according to the present invention is constructed as described above, according to the present invention, the movement of the terminal device and the addition of the access points are accompanied. When the optimum access point corresponding to the terminal device changes, the telephone number of the inappropriate access point recorded in the terminal device is automatically rewritten to the optimum one, and the waste of communication costs can be saved. Is.

[Brief description of drawings]

FIG. 1 is a block diagram showing a network structure of an information distribution system including an access point telephone number automatic notification circuit according to the present invention.

[Explanation of symbols]

1 ... Database 2 Access point 20 Central processing unit 21 Access point automatic telephone number notification circuit 210 Telephone Number identification circuit 211 ・ ・ ・ ・ ・ Number record rewriting device 212 ・ ・ ・ ・ ・ Memory 22 ・ ・ ・ ・ Data memory 23 ・ ・ ・ ・ Modem 3 ・ ・ ・ ・ ・ Public telephone line 4 ··· Terminal device 40 ··· Central processing unit 41 · · · Telephone number storage circuit 42 · · · Dialing circuit 43 · · · Modem

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Claims (1)

[Claims] 1. A database (1), a plurality of access points (2) for exchanging data between the database (1) via a communication line, and a public telephone line (3) designated in advance. In the information distribution system including a plurality of terminal devices (4) connected to the access point (2) and receiving desired information, the access point (2) includes a telephone number of the terminal device (4) that receives the request. A telephone number identification circuit (210) for identifying the telephone number, a memory (212) for recording a jurisdiction telephone number list for each access point (2), and a terminal device (4) identified by the telephone number identification circuit (210)
When the telephone number of the telephone is different from the number of the controlled telephone station, the jurisdiction telephone number list recorded in the memory (212) is referred to, the optimum access point (4) is selected, and the telephone number is set to the terminal device ( Number record rewriting device (2)
11) and the terminal device (4) has a telephone number storage circuit (41) for storing its own telephone number.
And the telephone number of a predetermined access point (4) is recorded, the telephone number is automatically dialed in response to a command signal at the time of request, and the telephone number of the new access point from the access point (4) is also recorded. And a dialing circuit (42) for rewriting the recorded telephone number of the access point (4) to that of the new access point when the number is received. Information distribution system.