JPS6318770A - Data communication equipment - Google Patents

Abstract

PURPOSE:To obtain an easily seen output by outputting blocks separately on both the surfaces of a recording paper when the respective blocks are registered if a received document consists of the plural blocks of picture or characters. CONSTITUTION:Document information is read from an auxiliary storage part 10, and page information is read, thereby, the number of the blocks constituting one page is understood. Then, individual block information is read to examine whether the block information is registered on the already read block or not according to the block information. When they are not registered, a text or an image is expanded in a page buffer picture storage part 13 on a surface. When the blocks are registered, it is expanded in the page buffer picture storage part 13 on a rear surface. When all the blocks are expanded and completed, a surface output is instructed to an input and output controller 7 and a DMA controller 4 is used to output device 5 from the picture storage part 13.

Description

[Detailed description of the invention] [Technical field] The present invention relates to a data communication device.

[Conventional example] Recently, in the field of office automation, input/output devices for image information such as pictures, figures, and photographs are used to process image information as a document and integrate it with text information processed by a word processor or the like. There is a growing demand for an integrated processing system that exchanges processed documents with other devices via a communication network or the like, and devices of this type are appearing on the market.

In this type of device, image information is input from an input device such as an image scanner, text information is input from an input device such as a keyboard, and the text information is coded and the image information is created by editing each piece of information. It is compressed and sent to another device via the communication unit.

The device that receives this document uses a character generator to expand character information into an image memory, and uses a compression/expansion section to expand image information into an image memory. The information in the image memory is then printed out on recording paper set in an output device such as a laser beam printer.

In such a device, when a received document consists of a plurality of blocks of images or characters, these are transparently superimposed and output.

However, there was a drawback that it was difficult to see when they were superimposed.

[Objective] The present invention has been made in view of the above points, and it is an object of the present invention to provide easy-to-read output by dividing overlapping blocks of a received document into both sides and outputting them.

[Example] Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of an embodiment of an integrated document processing system to which the present invention is applied.

1 in the figure is a display section for displaying the contents of the display storage section;
2 is a key input section used for creating and editing documents; 3 is a display storage section for storing information to be displayed on display section 1; 4 is a display storage section for storing information to be displayed on display section 1;
5.6 is a control unit that controls DMA transfer between each storage unit and the input/output device; 5.6 is an image input/output device 7 for inputting and outputting images; 5.6 is a human output control unit that controls the image input/output devices 5 and 6; ,
8 is a communication unit for transmitting or receiving documents to the network; 9 is a main bus (M bus) to which each block is connected. 10 is an auxiliary storage unit that stores a large amount of document information, and 11 is an IT unit that controls the entire system.
) External (MPU), 12 is a control storage unit that stores operation control procedures and control information of the MPU 1, 13 is an image storage unit for creating and editing documents and outputting image information, and 14 is compressing image information. This is a compression/expansion section for /expansion.

In the above configuration, document creation and m-collection are processed as follows. First, image information is input from the image information input device 5 by the human output control section 7, and is stored in the image storage section 13 by the DMA control device 4. This image information is reduced to 1/4 by the DMA control device 4, transferred to the display storage section 3, and displayed on the display section 1. The operator looks at the display section 1 and instructs editing using the key input section 2, and the MPU II executes this command to edit the image information. For character information, the operator uses key input section 2.
A code is input from , the MPU II interprets it, and develops the font pattern of that character in the display storage section 3. M
The PU stores the input or edited character string in the control storage unit 12 as a code. When the creation of one page of document is completed, the image information is compressed by the compression/expansion section 14, and the character information is stored in the auxiliary storage section 10 as a code string.

At this time, control information regarding the document is also stored.

The structure and control information of the document is shown in FIG.

The document structure is tree-like, with documents pointing to pages, and pages pointing to the next page and dependent blocks. The block refers to the actual text ID and image TD, and the text and image contain actual character strings and image information.

When transmitting a document stored in this manner, it is transferred from the auxiliary storage section 10 to the communication section 8 by the DMA control device 4, and is transmitted together with control information.

In the receiving side device, the MPUI 1, which has been notified of the reception of data by the communication unit 8, uses the DMA control device 4 to send the communication unit 8 to the device.
The data is transferred to the auxiliary storage unit 10 from there. When outputting a received document on the receiving side, first check the document information, page information, and block information to determine whether the actual information is a character string or an image.

In the case of a character string, the MPU II expands the code into the image storage section 13 as a font pattern, and in the case of image information, it expands it via the compression/expansion section 14 and expands it in the image storage section 13. When all the information in one page has been expanded into the image storage section 13, the MPU II instructs the DMA control section 4 to the user output control device 7 to output the information from the image storage section 13 to the image output device 6. When the output is finished, the same process is performed for the next page and all pages are output.

The received document is output in this way, and FIG. 3 shows a flowchart for outputting overlapping blocks on both sides.

Double-sided output of a received document in this embodiment will be explained with reference to this flowchart.

The control shown in this flowchart is performed by the MPU II according to a program stored in advance in the control storage section.

It is assumed that the received document is stored in the auxiliary storage unit 10 together with the control information. First, document information is read out from the auxiliary storage section 10 in S1, and page information is read out in S2. This shows how many blocks one page consists of. Next, in step 53, individual block information is read out, and it is checked based on the block information whether it overlaps with the block already read out in step S4. If there is no overlap, the text or image is developed in the front page buffer image storage section 13 in S5.

If the blocks overlap, they are developed in the page buffer image storage section 13 on the back side in S6. In S7, it is determined whether all blocks have been expanded, and if not, the process returns to S3 to process the next block. If it has been completed, in S8, the human output control device 7 is instructed to output the front surface, and the DMA control device 4 is used to output the front surface information from the image storage unit 13 to the image information output device 5. do. Next, in step 89, the image information of the back side is output in the same manner as in step 38, and the process ends.

In the above embodiment, the overlapping blocks were specified to be divided into both sides and output, but this can also be divided and output using control information such as images/texts, or the overlapping parts can be hidden and output. It is possible.

By outputting each piece of information on both sides, it is possible to obtain an output that is easy to view depending on the purpose.

[Effects] As explained above, according to the present invention, a received document in which multiple blocks are superimposed can be output on both sides depending on the purpose, and it is easy to see and the necessary information can be selected and output. can.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of a data processing device to which the present invention is applied, FIG. 2 is a structural diagram showing the structure of a document to which the present invention is applied, and FIG. 3 is a flowchart showing a double-sided output operation of a received document. be. FIG. 4 is a structural diagram of the image information input and output device. In the figure, 1-m-display section, 2--key input section, 3-m-
Display storage section, 4--DMA control device, 5--image information output device, 6--image information input device, 7--person output control section, 8--m-communication section, 9-- -Main bus, 1
0--Auxiliary storage unit, 11--MPU, 12--Control storage unit, 13-m-Image storage unit, 14--Compression/
It is an extension part.

Claims (1)

[Claims] An input device for inputting image information, an input device for inputting character information, and an output means for outputting an image on one or both sides;
A storage means for storing images for one page and a means for compressing/compressing image information.
A compression/decompression means for decompression, a display means for displaying one page of images, a communication section for transmitting and receiving documents, an auxiliary storage means for storing documents, and a document created by creating and editing image information and character information. and means for separately outputting the blocks on both sides of recording paper when the received document consists of a plurality of blocks of images or characters and the blocks overlap. data communication equipment.