JPH10285222A - Data transmission system and terminal support server used therein - Google Patents

Abstract

(57) [Problem] To provide a data transmission system capable of transmitting relatively complicated and high-quality data at high speed within a short required time even with a simple terminal device. A terminal support server is provided between a server connected to a communication network and a terminal device, a request reception processing unit that receives a command from the terminal device, and transmits the command to the server. A request transmission processing unit to send, a response reception processing unit to receive response data from the server, a data conversion unit to convert the response data into data receivable by the terminal device, and the converted response data to the terminal device And a response transmission processing unit that transmits the response. For this reason, the information provided from the server can be converted into data that can be received within the range of the function of the receiving terminal device, and the data can be transmitted at high speed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data transmission system and a terminal support server used for the data transmission system. The present invention relates to a data transmission system that converts data into receivable data and transmits the data, and a terminal support server used for the data transmission system.

[0002]

2. Description of the Related Art In recent years, an individual has a small electronic device (that is, a portable terminal device) which can be a computer terminal, and manages schedules using this portable terminal device, or directly inputs and outputs various business data.
Alternatively, it is being used with a host computer. In recent years, portable terminal devices have a communication function and can be connected not only to telephones but also to various communication networks such as the Internet (hereinafter represented by the Internet) so that they can be used as terminal devices for data transmission. It is becoming. In addition, in view of the development of portable terminal devices in the future, there is a movement to mount more functions and perform various operations such as data processing, communication, and information management.

[0003]

However, in the above-mentioned conventional portable terminal device, although it has a communication function, it is usually used as a telephone in many cases, and the portable terminal device is almost close to the limit. Due to the pursuit of miniaturization, the program size is small, the storage capacity of the memory is not large enough, and it is difficult to process a large amount of data in a short time. As a communication method, since wireless data communication is performed, the communication speed is lower than that of wired data communication, and it cannot be said that the communication system has sufficient ability to receive information provided from an Internet server. Therefore, it is difficult to connect the portable terminal device to the Internet to receive information, or if possible, there is a problem that data can be received only in a very limited simple format.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and a first object of the present invention is to provide a relatively simple and high-quality data in a short time even with a simpler terminal device. Another object of the present invention is to provide a data transmission system capable of transmitting data at high speed.

A second object of the present invention is to receive data from a server capable of transmitting a large amount of high-quality data in a relatively simple terminal device within a function range of the receiving terminal device. An object of the present invention is to provide a terminal support server that can convert data into data that can be transmitted.

[0006]

According to the present invention, there is provided a data transmission system in which a terminal support server is provided between a server connected to a communication network and a terminal device.

With this data transmission system, data from a server that cannot be received or has a large load on the receiving-side terminal support server device is converted into data that can be received within the range of the function of the receiving-side terminal device. Since the data is sent to the terminal device, the receiving terminal device can receive the data relatively easily.

In order to achieve the above object, the present invention also provides a terminal support server provided between a server connected to a communication network and a terminal device, which receives a request for receiving a command from the terminal device to the server. A processing unit, a request transmission processing unit for transmitting a command from the terminal device to the server, a response reception processing unit for receiving response data from the server to the terminal device, and a terminal device for transmitting response data from the server to the terminal device. It comprises a data conversion unit for converting the data into receivable data, and a response transmission processing unit for transmitting the converted data to the terminal device.

With this configuration, the terminal support server converts the data from the server into data receivable within the range of the function of the receiving terminal device and sends the data to the receiving terminal device. Can receive data relatively easily.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first aspect of the present invention, a terminal support server is connected to a communication network to which a plurality of servers are connected, and data transmitted on the communication network is transmitted to the communication network. The data is transmitted to the receiving terminal device connected to the network, and the terminal support server converts the data into data that can be received within the range of the function of the receiving terminal device and transmits the data to the receiving terminal device. Having.

According to a second aspect of the present invention, a terminal support server includes: a request reception processing unit that receives a command from a terminal device connected to a communication network to the server;
A request transmission processing unit that sends a command from the terminal device to the server, a response reception processing unit that receives response data from the server to the terminal device, and data that the terminal device can receive response data from the server to the terminal device And a response transmission processing unit for transmitting the data-converted response data to the terminal device, and converts data from the server so that the receiving terminal device can receive the data. It has the effect of converting and transmitting to the receiving terminal device.

According to a third aspect of the present invention, in the terminal support server according to the second aspect, the data conversion unit determines a type of response data from the server, and a response type determination unit. And a data conversion processing unit for converting the response data into data receivable by the terminal device based on the determination result in the terminal device. It has the effect of transmitting to the terminal device.

According to a fourth aspect of the present invention, in the terminal support server according to the third aspect, the data conversion unit further includes a terminal information management unit for storing information on functions and characteristics of the terminal device. This has the effect of determining the response type based on the data from the terminal information management unit and converting the response data into data that matches the function of the terminal device.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a system diagram showing a schematic configuration of a data transmission system according to the present invention. 1, reference numeral 1 denotes the Internet as a communication network; 2 denotes a server connected to the Internet 1; 3 denotes a client connected to the Internet 1 to receive information provided from the server 2;
Terminal device as a receiving terminal device connected to the Internet and receiving provision of information from the server 2;
The above is a terminal support server interposed between the server 2 and the mobile terminal device 4 (hereinafter, referred to as a mobile terminal support server in this embodiment). In this embodiment, the server 2 holds various data, and the client 3
Alternatively, data can be transmitted (provided) in response to a request from the portable terminal device 4. The client 4 is composed of a high-performance personal computer, for example, and can receive various data transmitted from the server 2. On the other hand, the portable terminal device 4 has a function as a simple receiving terminal, and among various data transmitted from the server 2, some have the same format and can be received, but others have a format. Are different and have a functional configuration that reception is not possible. Also, the mobile terminal support server 5 is a server 2
Between the mobile terminal device 4 and the mobile terminal device 4, sends a data transmission request from the mobile terminal device 4 to the server 2, and once receives response data (provided information) from the server 2 to the mobile terminal device 4. And a function of converting the data into data that can be received within the range of the function of the portable terminal device 4 and sending the data to the portable terminal device 4.

FIG. 2 is a block diagram showing an internal configuration of the portable terminal support server 5 having the above-described functions and a connection state between the portable terminal support server 5, the server 2, and the portable terminal device 4. This mobile terminal support server 5
A request reception processing unit 11 that receives a command from the mobile terminal device 4 to the server 2, a request transmission processing unit 12 that sends a command from the mobile terminal device 4 to the server 2, and a request transmission processing unit 12 that sends a command from the server 2 to the mobile terminal device 4. A response reception processing unit 13 for receiving response data; a data conversion unit 14 for converting response data from the server 2 to the mobile terminal device 4 into data receivable by the mobile terminal device 4; And a response transmission processing unit 15 for transmitting the response data to the portable terminal device 4.

The data conversion unit 14 converts the response data from the server 2 to the portable terminal device 4 into data that can be received within the range of the function of the portable terminal device 4. And a conversion processing unit 17 that converts the response data into data that can be received by the terminal device based on the determination result of the response type determination unit 16. Also, the data conversion unit 1
4 further includes a terminal information management unit 18 for storing information relating to the functions and characteristics of the portable terminal device 4, performing a response type determination based on data from the terminal information management unit 18, and transmitting the response data to the function of the terminal device. Convert to data that matches. The conversion processing unit 17 converts the response data from the server 2 into a first conversion processing unit 17a,
The second conversion processing unit 17b, the third conversion processing unit 17c,.
・ It is composed of a plurality of conversion processing units.

Here, the types and contents of the data conversion include, for example, voice data, moving image data,
When still image data and text data are included and the image data is full color, the conversion process is to delete the audio data and the moving image data according to the function of the portable terminal device 4. , Or a type or content such as a conversion process that leaves only text data. Furthermore, reducing the number of colors for color information,
There is a conversion such as performing a compression process so that the image size can be displayed on the small screen of the mobile terminal device 4.
The response type determination unit 16 receives the response data from the response reception processing unit 13 and sends the data to the conversion processing unit 17. The conversion processing unit 17 sends the converted data to the response transmission processing unit 15. A circuit is also provided for sending the response data to the response transmission processing unit 15 without sending the data to the conversion processing unit 17 when the response type determination unit 16 determines that the response data does not need to be converted.

FIG. 3 is a data configuration diagram showing a configuration example of terminal information stored in the terminal information management unit 18. In the terminal information management unit 18, as the terminal information, a terminal ID 21,
The terminal type 22 is stored as data. The data of the terminal type 22 incorporates information about the information format 23 belonging to the terminal type and the conversion method 24 for performing the conversion process.

Next, the operation of the above embodiment will be described. FIG. 4 is a time chart for explaining an example of the status of the data communication operation between the server 2 and the mobile terminal device 4 and the mobile terminal support server 5. When the mobile terminal device 4 is used as a data receiving device, a call is made from the mobile terminal device 4 to the server 2 to be called. As a result of this calling operation, first, a line connection is made between the portable terminal device 4 and the portable terminal support server 5, and then a line connection is made between the portable terminal support server 5 and the server 2. Next, a command, which is an information request message, is transmitted from the portable terminal device 4 (1), and the command is sent to the server 2 via the portable terminal support server 5 (2).

At this time, the contents of the command from the portable terminal device 4 and the contents of the command from the portable terminal support server 5 to the server 2 are indicated by 31 and 32 in FIG. FIG. 5 is a diagram illustrating the contents of these commands and response data from the server 2. The command 31 from the mobile terminal device 4 is
A request ID, a request source ID issuing this command,
It is composed of a server ID and an information ID, and the ID of the portable terminal device 4 is written in the request source ID.
In D, the address of the call destination server 2 and the like are written.
In the information ID, a file name of the requested information is written. Also, from the mobile terminal support server 5 to the server 2
The command 32 sent to the portable terminal support server 5 includes a request ID, a request source ID issuing the command, a server ID, and an information ID, and the ID of the portable terminal support server 5 is written in the request source ID. , The server ID is the command 31
The address and the like of the call destination server 2 are written in the same manner as in (1). In the information ID, a file name of requested information similar to the command 31 is written.

The server 2 that has received the command transmits the information to be provided in the form of response data as a response message (3). The response data is temporarily received by the mobile terminal support server 5, and the type of data is determined by the response type determination unit 16 in the mobile terminal support server 5. When it is determined that the response data does not need to be converted, the response data is transmitted to the portable terminal device 4 without being converted by the conversion processing unit 17 (4-A). On the other hand, when it is determined that the response data needs to be converted, the conversion processing unit 17 converts the data to correspond to the function of the mobile terminal device 4 and then transmits the data to the mobile terminal device 4 (4
-B).

At this time, the contents of the command from the portable terminal support server 5 to the server 2, the contents of the response data from the server 2, and the contents of the command from the portable terminal support server 5 to the portable terminal 4
The contents of the response to are indicated by 32, 33, and 34 in FIG. The response data 33 from the server 2 includes a request ID, a requester ID that has issued this command, a server ID, an information ID,
It consists of the format of the information and the content of the information.
Data of the same content as the request ID in the command 32 is written in D, the ID of the portable terminal support server 5 is written in the request source ID, and the command 3 is written in the server ID.
The data having the same contents as the ID of the server 2 in 1 is written. In the information ID, a file name of information having the same content as the information ID in the command 31 is written. The type and format of the information stored in the server 2 are written as the information format, and the content of the information stored in the server 2 is written in the information content. The response data 34 to the mobile terminal device 4 includes a request ID, a requester ID that has issued this command, a server ID, an information ID, an information format,
And the content of the information, the request ID is written with the same data as the request ID in the command 31, the requester ID is written with the ID of the portable terminal device 4, and the server ID is written with the command Data having the same contents as the ID of the server 2 in 31 is written. In the information ID, a file name of information having the same content as the information ID in the command 31 is written. As the format of the information, the format of the information converted for the mobile terminal device 4 is written, and in the content of the information, the content of the information converted for the mobile terminal device 4 is written. Then, after all the data has been transmitted and received, the lines between the server 2 and the portable terminal support server 5 and between the portable terminal support server 5 and the portable terminal device 4 are disconnected.

FIG. 6 is a flow chart for explaining the data transmission / reception operation and the response data conversion operation of the portable terminal support server 5 after the response data is transmitted from the server 2 in response to the information request from the portable terminal device 4. is there. When receiving the request from the mobile terminal device 4 in the processing step (hereinafter simply referred to as step) 41, the mobile terminal support server 5 transmits the request to the server 2 in step 42. Next, in step 43, response data is received from the server 2, and then the response data is determined by the response type determination unit 16 in the mobile terminal support server 5 based on the type of data and the type of the mobile terminal device 4. When it is determined that the response data does not require data conversion, the response data is transmitted to the portable terminal device 4 in step 49 without performing data conversion in the conversion processing unit 17 in step 45. On the other hand, when it is determined that the response data needs data conversion, the conversion
The first conversion method, the second conversion method of step 47, and the third conversion method of step 48 perform a data conversion process corresponding to the function of the portable terminal device 4, and then step 49 Then, the data is transmitted to the portable terminal device 4 and a series of processing operations is completed.

[0024]

As described above, in the data transmission system according to the present invention, the terminal support server is provided between the server connected to the communication network and the terminal device, and the terminal support server is transmitted from the terminal device. A request reception processing unit that receives a command from the server, a request transmission processing unit that sends a command from the terminal device to the server, a response reception processing unit that receives response data from the server to the terminal device, A data conversion unit that converts response data to data that can be received by the terminal device; and a response transmission processing unit that transmits the data-converted response data to the terminal device. Data can be converted into data that can be received within the range of the function of the receiving terminal device and data can be transmitted to the receiving terminal device at high speed, Effect that the serial receiving terminal apparatus can receive the relatively effortless data.

[Brief description of the drawings]

FIG. 1 is a system diagram illustrating a schematic configuration of a data transmission system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing an internal configuration of the portable terminal support server and a connection state between the portable terminal support server, the server, and the portable terminal device according to the embodiment.

FIG. 3 is a data configuration diagram showing a configuration example of terminal information stored in a terminal information management unit of the portable terminal support server in the embodiment.

FIG. 4 is a time chart for explaining an example of a data communication operation state between the server, the portable terminal device, and the portable terminal support server in the embodiment.

FIG. 5 is a view for explaining the contents of a command from the portable terminal device and the data structure of response data from the server in the embodiment.

FIG. 6 is a flowchart for explaining data transmission / reception operation and response data conversion processing operation of the portable terminal support server in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Internet (communication network) 2 Server 3 Client (personal computer) 4 Portable terminal device (client) 5 Portable terminal support server 11 Request reception processing unit 12 Request transmission processing unit 13 Response reception processing unit 14 Data conversion unit 15 Response transmission processing unit 16 Response type determination unit 17 Conversion processing unit 18 Terminal information management unit 21 Terminal ID 22 Terminal type 23 Information format 24 Conversion method 31, 32 Command (request message) 33, 34 Response data (response message)

Claims (4)

[Claims] A terminal support server is connected to a communication network to which a plurality of servers are connected, and data transmitted on the communication network is transferred to a receiving terminal device connected to the communication network by the terminal support server. Wherein the data is transmitted after being converted into data that can be received within the range of the function of the receiving terminal device. 2. A request reception processing unit for receiving a command from a terminal device connected to a communication network to a server; a request transmission processing unit for sending a command from the terminal device to the server; A response reception processing unit for receiving response data, a data conversion unit for converting response data from the server to the terminal device into data receivable by the terminal device, and a response for transmitting the converted data to the terminal device A terminal support server that includes a transmission processing unit and transmits and receives data via a server connected to a communication network and a terminal device on a receiving side. 3. A data conversion unit, comprising: a response type determining unit for determining a type of response data from the server; and a data for converting the response data into data receivable by the terminal device based on a determination result by the response type determining unit. The terminal support server according to claim 2, further comprising a conversion processing unit. 4. The data conversion unit further includes a terminal information management unit that stores information on functions and characteristics of the terminal device,
4. The terminal support server according to claim 3, wherein a response type is determined based on data from the terminal information management unit, and the response data is converted into data matching the function of the terminal device.