JPH10276279A - Data communication method and data communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the data communication method by which the user easily accesses data stored in a storage device and finds object information among the data. SOLUTION: In the case of storing data sent from a transmitter side to a data storage means at a receiver side, a data sender is discriminated (S2) and it is discriminated that the recognized data sender is registered in a data storage destination table (S3), then the data are stored in a storage address depending on the data sender (S5). On the other hand, when it is discriminated that the recognized data sender is not registered in the data storage destination table (S3), the data sender is newly registered in the data storage destination table and the data are stored in a storage area depending on the data sender.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data communication method of a next-generation information distribution service used for a receiving terminal installed in each home.

[0002]

2. Description of the Related Art As personal computers have become widespread in homes, they have been connected to various personal computer communication networks via telephone lines so that users can obtain necessary information while staying at home. Has become.

[0003] Specifically, in order for a user to obtain information, the user operates the personal computer to access the personal computer communication network, and further operates to move to a desired location of the information to obtain the information.

As a means for obtaining multimedia information with richer expressiveness, there is a method of obtaining information from a homepage on the Internet. Specifically, the user operates the Internet provider to access the Internet provider, and inputs an address (URL) of desired information on a homepage browser to obtain the information.

[0005]

In such data communication between the home and the center, it is necessary for the user to actively access the personal computer communication network or provider and use the database and homepage at his will. It is the present situation.

Accordingly, a next-generation information service that distributes information to users by accessing a terminal device such as a personal computer installed in each home from a center side (transmission side) via a telephone line will be developed. is expected.

This system, in which the center takes the initiative and distributes information without user operation, is based on the desire of the center to distribute information to more users,
Both the user's desire to obtain information without performing the access operation can be satisfied.

However, a large amount of information is stored in the storage device of each user, and it is difficult for the user to find the target information when accessing the target information stored in the storage device. There's a problem.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a data communication method that allows a user to easily access and arrive at target information in data stored in a storage device.

[0010]

According to the data communication method of the present invention, when data transmitted from a transmission side is stored in data storage means on the reception side, the data is received at a storage location corresponding to the data transmission source on the reception side. The above data is stored.

According to the present invention, it is possible to realize data communication in which a user can easily access and arrive at target information among data stored in a storage device.

[0012]

According to a first aspect of the present invention, there is provided a data communication method for storing an identifier representing a data transmission source from a transmission side to a reception side when storing data transmitted from the transmission side in data storage means on the reception side. Along with or before the data, the receiving side specifies a storage location corresponding to the received identifier, and stores the received data in the specified storage location.

In the data communication method according to the present invention, when storing data transmitted from the transmission side in the data storage means on the reception side, an identifier indicating a data transmission source is transmitted from the transmission side to the reception side together with the data or in the data. Transmitted in advance, the receiving side specifies the storage location according to the received identifier with reference to the data storage location table, stores the received data in the specified storage location, and stores the data on the receiving side. The type and frequency of the user who accessed the device are managed for each piece of the accessed data, and the data having the same identifier as the identifier of the accessed data is relocated to the dedicated storage location of the user who accesses the device most frequently. And updating the data storage location table.

In the data communication method according to the third aspect, when storing data transmitted from the transmission side in the data storage means on the reception side, an identifier indicating a data transmission source is transmitted from the transmission side to the reception side together with the data or in the data. Transmitted in advance, the receiving side manages the data received for each identifier according to the identifier on the receiving side, and the receiving side uses the identifier to determine whether to store the received data in the data storage means. It is determined according to the specified data reception history, and the storage is performed when a predetermined condition is satisfied, and is not performed when the predetermined condition is not satisfied.

A data communication method according to a fourth aspect is characterized in that, in any one of the first to third aspects, the identifier representing the data transmission source is a telephone number of the data transmission source. In the data communication method according to the fifth aspect, when storing the data transmitted from the transmission side in the data storage means of the reception side, the transmission side transmits the address data of the user to the reception side together with the distribution data, and the reception side transmits the destination address. It is characterized in that the presence or absence of data is confirmed, and storage locations are distinguished between distribution data to which address data is added and distribution data to which address data is not added.

In the data communication method according to the present invention, when storing the data transmitted from the transmission side in the data storage means on the reception side, the transmission side transmits the address data of the user to the reception side together with the distribution data, and receives the data. The side checks the presence / absence of the address data and the address data, and stores the distribution data to which the address data is added and the distribution data to which the address data is not added while distinguishing the storage locations, and the address data is added. It is characterized in that the contents of the address data in the distribution data are confirmed and stored in a storage location corresponding to the contents of the address data.

According to a seventh aspect of the present invention, there is provided a data communication system for implementing the data communication method according to any one of the first to sixth aspects, wherein the equipment on the receiving side is a facsimile apparatus. I do.

An eighth aspect of the present invention is a data communication system for realizing the data communication method according to any one of the first to sixth aspects, wherein the equipment on the receiving side is a television receiver. Features.

A data communication system for realizing the data communication method according to any one of claims 1 to 6, wherein the equipment on the receiving side is connected to a television receiver or a display device or a facsimile device. It is an external attachment device used for

Hereinafter, a data communication method according to the present invention will be described based on specific embodiments shown in FIGS. (Embodiment 1) FIGS. 1 to 4 show (Embodiment 1).

As shown in FIG. 1, a receiving side R and a plurality of transmitting sides T1, T2,... Are connected via a public telephone line L. The receiving side R of this embodiment is an accessory device 2 connected to the television receiver 1, and as shown in FIG. 2, a microcomputer 3, data storage means 4, data transmission / reception means 5, and video output to the outside. Video RA to do
M6 and a RAM 7 serving as a work area.
The microcomputer 3 includes functional blocks such as a data transmission source discriminating unit 8, a data storage location table 9, and a data read / write unit 10. The data storage means 4 is specifically constituted by a hard disk device.

Here, the receiving side R via the public telephone line L
, Transmission data in the following format is sent. Here, the target transmission data is multimedia data having at least one of moving image data, still image data, sound data, and text data, and the data format is, for example, moving image data and sound data. If it is composed of data and text data, as shown in FIG. 3, it is composed of a header, moving image data, sound data, and text data. As shown in Table 1 below, the header includes a pointer P1 indicating the start position of the moving image data and the data size of the moving image data, a pointer P2 indicating the start position of the sound data, and a data size of the sound data. , A pointer P3 indicating the start position of the text data and the data size of the text data are recorded.

[0023]

[Table 1]

The microcomputer 3 is configured as shown in FIG. Of the transmitting sides T1, T2,...
For example, when the receiving side R is designated from the transmitting side T1, and the receiving side R is connected to the transmitting side T1 via the line L in step S1,
First, a communication speed such as a data transfer speed is set, and then, for example, the telephone number of the terminal on the transmitting side T as a data transmission source identifier of the terminal on the transmitting side T is transmitted.

In step S2, the data source identification means 8 determines the source telephone number of the received data. The data storage location table 9 used by the data transmission source discriminating means 8 for discrimination includes, as shown in Table 2 below, each transmission side T1,
Of the T2,..., The transmission source telephone number of the transmission side deemed necessary is registered in advance. Further, the data storage location table 9 stores data storage locations in the data storage means 4 for each registered source telephone number, that is,
The physical address of the hard disk device is registered,
The data is stored for each transmission source in an area starting with the address described in the data storage location table 9.

[0026]

[Table 2]

In step S3, it is checked whether the data source telephone number read in step S2 is registered in the data storage location table 9. Step S3
If it is determined in step S4 that the multimedia data is registered in the data storage location table 9, in step S4, the multimedia data transmitted from the transmitting side T1 is received following the source telephone number, and this is stored in step S3. Location table 9
Is stored in the data storage location in the data storage unit 4 determined with reference to step S5, and one operation is completed.

In step S3, data storage location table 9
If it is determined that it has not been registered in step S6,
In the data storage location table 9, the data storage means 4
And newly register the corresponding data storage location of the free area and the unregistered source telephone number, and then execute step S4. In this case, step S
In step 5, the received multimedia data is stored in the data storage location newly registered in step S6, and one operation ends.

With this configuration, since the multimedia data is stored in the data storage location determined for each source telephone number in the data storage means 4, the user can list the multimedia data of a specific sender. Or when accessing the corresponding multimedia data, the corresponding multimedia data is retrieved via the television receiver 1 by searching the contents of the data storage location corresponding to the transmitting side that transmitted the multimedia data. List and replay quickly.

In the present embodiment, the identification code of the sender is transmitted prior to the transmission of the multimedia data. However, information for identifying the sender may be added to the multimedia itself. The following (Table 3) shows an example in which sender identification information is added to the header portion of the multimedia data. Here, the telephone number is described.

[0031]

[Table 3]

Although the physical address of the storage device corresponding to the transmission source is described in the data storage location table 9, if the configuration has a file system capable of directory management, the directory name is used instead of the physical address. May be described.

(Embodiment 2) FIGS. 5, 6 and 13 show (Embodiment 2). Components having the same functions as those of the first embodiment will be described with the same reference numerals.

In the first embodiment, the storage location in the data storage means 4 is merely stored for each source telephone number in accordance with the contents of the data storage location table 9, but in the second embodiment, The data reading history management means 11 is added to the microcomputer 3, and the data storage means 4 has a storage location for each source telephone number and a storage location for each user. As a specific example for each user, an example of a family structure can be given. In the case of a family structure, the storage location of the father, the storage location of the mother, and the storage location of the eldest son are preset.

FIG. 13 shows the arrangement of data in the storage device. The lower part of the figure shows the address "0x00000000".
The higher the address is, the higher the address becomes. In the figure, the storage area for each transmission source is higher than the address "0x80000000", and data is stored for each transmission source at the address specified in the data storage table 9 as in the first embodiment. On the other hand, the address "0x80000
Below "000" are storage locations for each user.

The microcomputer 3 converts the received multimedia data into a step S as shown in FIG.
1 to S6 to execute the data storage location table 9
It is stored in the data storage location for each source telephone number registered in.

When accessing the data stored in the data storage means 4 as described above, the user must enter his / her own ID.
Specify the code and the desired multimedia data. When the user, specifically, the dad accesses the data in step S7, the microcomputer 3 reads out the specified multimedia data from the data storage unit 4 and reproduces the multimedia data via the television receiver 1, and in step S8, The frequency of the data accessed to the data reading history management means 11 for each source telephone number is counted.

The following (Table 4) shows access frequency information managed by the data reading history management means 11.

[0039]

[Table 4]

In step S9, if the frequency of the data read history updated in step S8 exceeds the specified value, all data in the data storage location for each source telephone number of the data is accessed in step S7. Here, the data is relocated so as to be moved to the storage location set for the father in the data storage means 4. At the same time, in step S10, the contents of the data storage location table 9 are updated in accordance with the contents of the rearrangement in S9, and one operation ends.

For example, assuming that data is to be moved when the specific user accesses the specific data 20 times, "mother" is replaced with data 002 from the state shown in (Table 4).
Is accessed five more times, the data 002 moves to the “mother” storage area. At this time, data 002
Is the data from the sender B, all the data from the sender B in the source-specific storage area shown in FIG. 13 is moved to the “mother” storage area. Accordingly, the data storage location table 9 is rewritten in the storage area of “mother” as the storage location of the data from the sender B. After this operation, when data from the sender B is newly received, the data is stored in the area of “mother”.

As described above, the user is set in the data storage means 4 for himself / herself in order to automatically rearrange from the storage location for each transmission source telephone number to the storage location for each user according to the access frequency. By searching for the storage location, the corresponding multimedia data can be quickly reproduced via the television receiver 1.

In this embodiment, a description has been given such that a user inputs his / her own ID code when accessing data. However, a separate input device is prepared for each user, and a key-in is provided for each input device. When the ID code is detected and the ID code is transmitted together with the key-in data, the user does not need to manually input the ID code.

(Embodiment 3) FIGS. 7 and 8 show (Embodiment 3). Components having the same functions as those of the first embodiment will be described with the same reference numerals.

In (Embodiment 1), each time data is received from the transmission side, the received data is stored in the corresponding storage area of the data storage device 4. (Embodiment 3)
In this configuration, each time data is received, the data is not stored in the data storage device 4, but only data that satisfies the conditions is added to the data storage device 4.

As shown in FIG. 7, the microprocessor 3
Is provided with data reception history management means 12. The data reception history management means 12 manages, for each transmission source telephone number, whether or not the elapsed time from the previous reception has exceeded a specified time as a reception history.

The microprocessor 3 is configured as shown in FIG. In step S1, the receiver R starts communication with the transmitter T1, and in step S2, determines the source telephone number. In step S2-A, the reception history of the source telephone number determined in step S2 is stored in the data reception history management. By inquiring to the means 12, it is confirmed whether or not the elapsed time from the reception has passed the specified time.

If it is determined in step S2-A that the answer is NO (the specified time has not elapsed), one operation is terminated without storing the current reception data in the data storage device 4.

In step S2-A, if it is determined to be YES (the specified time has elapsed), the routine of steps S3, S4, S5 or steps S3, S5
One of the routines S6, S4 and S5 is executed, and then step S7 is executed.

In step S7, the data reception history management means 12 is updated in accordance with the writing of data to the data storage device 4 in step S5, and one operation ends. As described above, since the data is not stored in the data storage device 4 unless the specified time has elapsed from the previous reception for each source telephone number, the same data is repeatedly received in a short time from the same source telephone number and the data is stored. It is possible to avoid the situation where the data is redundantly accumulated in the device 4 and the free space is wasted.

(Embodiment 4) FIGS. 9 and 10 show (Embodiment 4). Components having the same functions as those of the first embodiment will be described with the same reference numerals.

In the first embodiment, the received data is stored in the storage area corresponding to the transmission source telephone number. In the fourth embodiment, the reception area is stored according to the presence or absence of the address included in the transmission data. Accumulates the received data.

The format of the transmitted data is
As shown in FIG. 3, the header is composed of a header and multimedia data. The header includes a pointer indicating the start position of the moving image data, the data size of the moving image data, and the start of the sound data, as shown in Table 5 below. Address data is recorded in addition to the pointer indicating the position and the data size of the sound data, the pointer indicating the start position of the text data and the data size of the text data.

[0054]

[Table 5]

As shown in FIG. 9, the microprocessor 3
Is provided with a data target user determining unit 13 in place of the data transmission source determining unit 8 of the first embodiment. The data storage device 4 has a first storage location for receiving addressed data and a second storage location for receiving unaddressed data.
In this case, a first storage location for receiving data with an address in the data storage device 4 is set in the data storage location table 9 in this case.

The microprocessor 3 is configured as shown in FIG. In step S1, the receiving side R starts communication with the transmitting side T1, and in step S2, the data target user discriminating means 13 confirms the address of the user at a predetermined location in the header of the received data.

If the address of the user is included in a predetermined location of the header of the received data, the process proceeds to step S20.
Is determined to be YES (address is included), and step S
Execute 30. In step S30, a data storage location corresponding to the address contained in the received data is determined with reference to the data storage location table 9, and in this case, the received data is written to the first storage location of the data storage device 4. Ends one operation.

If it is determined NO in step S20 (address is not included), step S40 is executed. In step S40, the received data is written in the second storage location of the data storage device 4 with reference to the data storage location table 9, and the operation ends.

As described above, the general data without the address is stored in the second storage location of the data storage device 4, and the private data with the address is stored in the first storage location of the data storage device 4. When accessing the data storage device 4, by accessing the first storage location, it is possible to read private data other than data addressed to an unspecified majority without leaking.

Further, by dividing the first storage location for each of a plurality of addresses in the data storage location table 9 and setting each area in advance, the area for each address is determined in step S30, and The data can be written to the storage device 4.

In this case, if the user's last name is "Sato", his father is "Taro Sato", his mother is "Hanako Sato", and his eldest son is "Ichiro Sato", the data storage location table 9 , An area for “Sato”, an area for “Taro Sato”, an area for “Hanako Sato”, and an area for “Ichiro Sato” are set as first storage locations.

If the address of the received data is "Taro Sato", the data is stored in the "Taro Sato" area of the first storage area of the data storage device 4 in step S30, and the address of the received data is "Hanako Sato". In this case, in step S30, the data is stored in the area for "Hanako Sato" in the first storage area of the data storage device 4, and when the address of the received data is "Ichiro Sato", the first storage of the data storage device 4 is performed in step S30. Is stored in the storage area for "Ichiro Sato" in the storage area, and if the address is only "Sato" and there is no name, in step S30 the data storage device 4
Is stored in the “Sato” area of the first storage area.

By setting the data storage location table 9 so as to be segmented in this way, the received data can be organized, and the user can easily and quickly reach the target data.

In the first to fourth embodiments, an example has been described in which communication using a telephone line is used as a communication means. However, the present invention is not limited to communication means, and is not limited to wireless communication. A system, a communication system using the TCP / IP protocol, or data distribution using a broadcast medium such as a terrestrial wave, satellite, or CATV may be used.

(Embodiment 5) FIG. 11 shows (Embodiment 5). In each of the above embodiments, the equipment on the receiving side R is configured by the attachment device 2 connected to the television receiver 1. In this (Embodiment 5), the equipment is integrated into the television receiver 1 to be integrated. The television receiver 1 is constituted by combining the television receiving means 14, the television display means 15 and the display means 16 with the configuration of the attachment device 2 shown in FIG. In this case, though not shown, input means for designating and accessing data written in the data storage means 4 is provided.

Further, in this embodiment, the television receiver 1 is integrally incorporated, but the equipment on the receiving side R is not shown in FIG.
TV receiving means 14 and TV display means 15
Can be removed from the monitor.

(Embodiment 6) FIG. 12 shows (Embodiment 6). Components having the same functions as those of the fifth embodiment will be described with the same reference numerals.

In the fifth embodiment, the equipment on the receiving side R is integrated into the television receiver 1 by integrating it.
In this (Embodiment 6), the equipment on the receiving side R is incorporated into the facsimile apparatus 17 to be integrally configured. The image reading means 18 and the image output device 19 represent a basic structure unique to the facsimile device 17.

[0069]

As described above, according to the data communication method of the present invention, when storing the data transmitted from the transmission side in the data storage means on the reception side, the reception side receives the data at the storage location corresponding to the data transmission source. Since the above-mentioned data is stored, a next-generation information service that distributes information to users by accessing terminal devices installed in each home from a center side (transmitting side) through communication means such as a telephone line is developed. In this case, the user can easily access and reach the target information in the data stored in the storage device.

Further, the reception history is managed for each transmission source of the received data, and the reception interval is restricted for each transmission source to save the accumulation of the reception data, and the reception time zone is set for each transmission source. The next generation of information that accesses the terminal device installed in each home from the center (transmission side) through communication means such as a telephone line to distribute information to users When the service is developed, it is possible to avoid occurrence of a situation in which the same data is redundantly stored in the storage device from the same transmission source.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a data communication method (Embodiment 1) of the present invention;

FIG. 2 is a configuration diagram of an attached device on a receiving side according to the embodiment;

FIG. 3 is a data format diagram handled in the embodiment.

FIG. 4 is a flowchart illustrating a communication procedure according to the embodiment;

FIG. 5 is a functional block diagram of a data communication method (Embodiment 2) of the present invention;

FIG. 6 is a flowchart illustrating a communication procedure according to the embodiment;

FIG. 7 is a functional block diagram of a data communication method (Embodiment 3) of the present invention;

FIG. 8 is a flowchart illustrating a communication procedure according to the embodiment;

FIG. 9 is a functional block diagram of a data communication method (Embodiment 4) of the present invention;

FIG. 10 is a flowchart illustrating a communication procedure according to the embodiment;

FIG. 11 is a functional block diagram on the receiving side of the data communication system according to the fifth embodiment of the present invention.

FIG. 12 is a functional block diagram on the receiving side of the data communication system according to the sixth embodiment of the present invention;

FIG. 13 is an explanatory diagram of a data arrangement in the data storage means according to the second embodiment of the present invention.

[Explanation of symbols]

 T1, T2, ... Source R Receiver 1 Television receiver 2 Auxiliary device 3 Receiving microcomputer 4 Receiving data storage unit 5 Receiving data transmitting / receiving unit 8 Data transmitting source discriminating unit 9 Data storage location table DESCRIPTION OF SYMBOLS 10 Data read / write means 11 Data read history management means 12 Data reception history management means 17 Facsimile machine

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Hisao Morita 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd.

Claims (9)

[Claims] When storing data transmitted from a transmission side in data storage means on a reception side, an identifier indicating a data transmission source is transmitted from the transmission side to the reception side together with the data or prior to the data. A data communication method for specifying a storage location corresponding to the received identifier and storing the received data in the specified storage location. 2. When storing data transmitted from a transmission side in data storage means on a reception side, an identifier indicating a data transmission source is transmitted from the transmission side to the reception side together with the data or prior to the data. The storage location corresponding to the received identifier is specified by referring to the data storage location table, the received data is stored in the specified storage location, and the type of the user who has accessed the storage device and The frequency is managed for each of the accessed data, the data having the same identifier as the identifier of the accessed data is relocated to a dedicated storage location of the most frequently accessed user, and the data storage location table is stored. The data communication method to be updated. 3. When storing data transmitted from a transmission side in data storage means on the reception side, an identifier indicating a data transmission source is transmitted from the transmission side to the reception side together with the data or prior to the data. The received data manages the data reception history for each identifier according to the identifier, and the receiving side determines whether to store the received data in the data storage means according to the data reception history specified by the identifier. A data communication method for executing the above-mentioned accumulation when a predetermined condition is satisfied, and not executing the accumulation when the predetermined condition is not satisfied. 4. The data communication method according to claim 1, wherein the identifier indicating the data transmission source is a telephone number of the data transmission source. 5. When storing data transmitted from the transmission side in the data storage means of the reception side, the transmission side transmits the user's address data together with the distribution data to the reception side, and the reception side confirms the presence or absence of the address data. A data communication method in which storage locations are distinguished between distribution data to which address data is added and distribution data to which address data is not added. 6. When the data transmitted from the transmitting side is stored in the data storage means of the receiving side, the transmitting side transmits the address data of the user to the receiving side together with the distribution data. Check the data,
The storage location is distinguished between the distribution data with address data added and the distribution data without address data stored separately, and the contents of the address data are checked even among the distribution data with address data added. A data communication method that stores data in storage locations according to the content of the data. 7. A data communication system for realizing the data communication method according to any one of claims 1 to 6, wherein the equipment on the receiving side is a facsimile machine. 8. A data communication system for implementing the data communication method according to claim 1, wherein the equipment on the receiving side is a television receiver or a monitor device. 9. A data communication system for realizing the data communication method according to any one of claims 1 to 6, wherein the equipment on the receiving side is used by being connected to a television receiver, a monitor device, or a facsimile device. A data communication system that is an external attachment.