JPH07160895A - Data processor - Google Patents

Abstract

PURPOSE:To make it possible to perform reception through a simple operation by constituting a data transmitting/receiving part, a memory controller, a buffer memory, and a picture data reproducing part integrally with a data processor. CONSTITUTION:Compressed picture data from a communication line is inputted to the data transmitting/receiving part 1 from an interface 5 or the interface 6. When the data transitting/receiving part 1 receives data, it sends immediately the data to the memory controller 2. The memory controller 2 confirms whether the picture data reproducing part 4 is executing data processing or not, and if it is not executing the data processing, it sends the data from the buffer memory 3 to the picture data reproducing part 4 in the order of the reception of the data transmitting/receiving part 1. Then, when the compressed data is sent, the picture data reproducing part 4 reproduces the picture data, and further, after generating the format for communication output of the picture data, and transmitting the picture data to the data transmitting/receiving part 1, it outputs the data from the interface 9 to a personal computer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data processing device for a system for transmitting and receiving (image) data using a communication line such as ISDN (for example, a collection / delivery system of a newspaper company, a communication company, etc.).

[0002]

2. Description of the Related Art Conventionally, a system for transmitting and receiving data such as images using a communication line has a configuration as shown in FIG. Receives compressed image data from the communication line,
When the compressed image data is reproduced by decompressing it and the reproduced image data is transmitted to the newspaper company delivery system 15 or the like, the following system is generally configured.

That is, as shown in FIG. 3, a personal computer 13 as a host computer (hereinafter referred to as a personal computer 13) and a modem 1 as a data receiving section.
1, the compressed image data reproducing board 12 as a compressed image data reproducing section and the interface board 14 as a data transmitting section are combined, and each section is controlled by software of the personal computer 13.

[0004]

Since the host computer 9 is indispensable in the prior art as described above, processing software, key operation, confirmation by a monitor, etc.
The operability is complicated and difficult. In addition, a large number of devices have to be prepared to form a system, which is costly and space-consuming.

Further, when data is continuously transmitted by serial communication, it takes time to reproduce the compressed received data by decompressing it and converting it into a format that can be used by the user. No
There was a problem that the sender could not send. The present invention has been made in view of such conventional problems, and has a structure in which a data processing system unit is integrated in a small size, and an inexpensive data processing device capable of receiving data with simple operability is provided. To aim.

Another object of the present invention is to enable data reception even during decompression of compressed data when the data is serially transmitted.

[0007]

In order to solve the above-mentioned problems, the apparatus provided by the present invention has input means 11 and 12 for inputting compressed data from the outside, and input means 11 and 12.
Storage means 3 for temporarily storing the compressed data input to
And data reproduction control means 4 for reproducing compressed data
And the output means 7 reproduced by the data reproduction control means 4.

[0008]

In the present invention, since the data processing function unit is integrated, the data processing system can receive compressed data with a simple operability. Further, it is possible to provide an inexpensive and small device. Since a buffer memory is provided, data can be received even while decompressing compressed data.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The internal structure of an embodiment of the present invention will be described with reference to FIG. The data transmitting / receiving unit 1 inputs data from a communication line and outputs data to the communication line. The memory controller 2 is a device that controls a buffer memory 3 described later. The buffer memory 3 is for temporarily storing data from the communication line. The image data reproducing unit 4 is a device for reproducing compressed image data by decompressing it, and controls the entire device. The interface 5 is for inputting data from a digital line. The interface 6 is for inputting data from an analog line. The interface 7 is for outputting data from the data transmitting / receiving unit 1 to the newspaper company collection / delivery system 15 or the like. The interface 8 is for inputting data from a personal computer. The interface 9 is for outputting data to the personal computer.

The data transmitting / receiving unit 1, the memory controller 2, the buffer memory 3, the image data reproducing unit 4,
The interface 5, the interface 6, the interface 7, the interface 8, and the interface 9 are integrally configured in the data processing device. In FIG. 1, the compressed image data from the communication line configured as described above is the interface 5 or the interface 6.
Is input to the data transmitting / receiving unit 1. The data transmission / reception unit performs transmission / reception using various protocols.

When the data receiving section 1 receives the data, it immediately sends the data to the memory controller 2. The memory controller 2 stores the sent data in the memory 3. If data is sent to both the interface 5 and the interface 6 at the same time, the image data reproducing section 4 issues a priority control command. That is, the data of the interface which is input first among the two interfaces is preferentially received. Interface data entered late will not be processed,
Notify the sender that data cannot be processed. Also, if data is input to the interface 5, interface 6, and interface 8 at the same time, the earliest input data is preferentially processed as described above.

The memory controller 2 confirms whether or not the image data reproducing section 4 is performing data processing. If the data processing is not being performed, the memory controller 2 transfers data from the buffer memory 3 to the image data reproducing section 4 in the order of reception by the data transmitting / receiving section 1. send. Data is transmitted from the buffer memory 3 to the image data reproducing unit 4 even if the buffer memory 3 stores data. The memory controller 2 detects whether the image data reproducing unit 4 is processing data or not by detecting whether a receivable signal is output from the image data reproducing unit 4.

When a plurality of image data are continuously received, they are successively stored in the memory 3 even if the processing in the image data reproducing section 4 is not completed, so that it becomes possible to prevent the reception from becoming impossible. Further, even if the data is successively stored in the memory 3, the presence / absence of data in the image data reproducing unit 4 is determined, and if there is no data in the reproducing unit 4, the data is transferred to the image data reproducing unit 4 in the order of reception. Data processing can be performed efficiently.

When the compressed image data is sent, the image data reproducing section 4 reproduces the image data. Then, the image data reproducing unit 4 performs a color conversion process for printing such as masking and UCR on the reproduced image data and a format conversion process to the newspaper company collection and delivery system 15. The data processed by the image data reproducing unit 4 is returned to the data transmitting / receiving unit 1 again. If the user wants to output to both the personal computer 13 and the newspaper company delivery / delivery system 15, the user can set the output mode changeover switch 10 so that the data processing device 100 can output both formats. it can. Output mode switch 10
When is ON, the image data reproducing unit 4 enters a mode for creating a personal computer output format and a communication output format of image data. At this time, the image data reproducing unit 4 creates a format for communication output of image data,
After transmitting the image data to the data transmitting / receiving unit 1, a personal computer output format of the image data is created and the data is output from the interface 9 to the personal computer 13.

When the output mode selector switch 10 is OFF, the creation of the personal computer output format is canceled. The buffer memory 3 may use a recording device such as a hard disk or a magneto-optical disk.

[0016]

As described above, since the data processing function unit is integrated, the compressed data can be received by the simple operation of the data processing system. Further, it is possible to provide an inexpensive and small device. Since a buffer memory is provided, data can be received even while decompressing compressed data.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating an apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the data processing of the apparatus according to the embodiment of the present invention.

FIG. 3 is a configuration diagram showing a conventional system.

[Explanation of symbols]

 1 ... Data transmitting / receiving unit 2 ... Memory controller 3 ... Buffer memory 4 ... Image data reproducing unit 5 ... Interface 6 ... Interface 7 ... Interface 8 ... Interface 9 ...・ Interface 10 ・ ・ ・ Output mode selector switch 11 ・ ・ ・ Modem 12 ・ ・ ・ Compressed image data reproduction board 13 ・ ・ ・ Personal computer 14 ・ ・ ・ Interface board 15 ・ ・ ・ Newspaper delivery system 100 ・ ・ ・ Data processing apparatus

Claims (1)

[Claims] 1. An input means for inputting compressed data from the outside, a storage means for temporarily storing the compressed data input to the input means, and a data reproduction control for reproducing the compressed data. Data processing apparatus having means and output means for outputting the data reproduced by the data reproduction control means