JPS62271543A - Data communication equipment - Google Patents

Abstract

PURPOSE:To set an output mode at each block area by adding a display mode identifier designating a display mode to block data so as to send the data. CONSTITUTION:A reader 10 reads an original and the data are stored in a hard disk 50. When one block of a sent data is a character block represented in inversion display or contrast display in one block, one block added with the display mode identifier representing the inversion display or contrat display is sent from the disk 50 via a memory 23. Then the received data is sent to a printer 70. If the block added with the display mode identifier is mixed in the reception data, the inversion display or contrast display is applied based on the display mode identifier. Thus, the output mode can be set at each block area.

Description

Detailed Description of the Invention 3. Detailed Description of the Invention (Technical Field) The present invention relates to a data communication device that performs data communication.

(Conventional example) Conventionally, this type of apparatus, for example, a facsimile machine, reads a document and sends document image data, but on the receiving side, one original sheet is uniformly printed out.

For this reason, there is a drawback that the operator cannot change the output form (for example, inverting black and white) of only a specific portion of one document.

(Objective) It is an object of the present invention to provide a data communication device that eliminates the drawbacks of the above-mentioned conventional example and can set an output mode for each block area.

〔Example〕

An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram showing one embodiment of the present invention,
′! Figure J2 is a perspective view showing the above embodiment.

The reader 10 reads a predetermined document and outputs an electrical signal.

The facsimile body 20 includes a reader/printer interface 21, an image compression unit (hereinafter referred to as "ICU") 22, a program memory (hereinafter referred to as rPMEMJ) 23, and a bit move unit (hereinafter referred to as "rPMEMJ").
(hereinafter referred to as rBMUJ) 24, image memory (hereinafter referred to as r1MEMJ) 25, and video RAM (hereinafter referred to as rV
(referred to as RAMJ) 26, and central processing snowmaking (rCPU)
27, a communication interface 28, a bus 29, and a communication control unit (hereinafter referred to as rccUJ) 30.

The ICU 22 compresses or expands data, and in order to increase the encoding rate, two-dimensional compression (high compression) is used.
has been adopted. The PMEM 23 is an OS program for controlling the large output device provided around the facsimile main body 20 and each unit within the facsimile main body.
It has an application program memory area and a font memory area for converting into character code image data.

In addition, PMEM23 is a memory management unit (
MMEU), and CC from the hard disk.
It also has a work area as a buffer for transmission data to be sent via U3O or stored from CCU 3O to the hard disk. Note that the buffer described above is for adjusting the speed of the disk, line, etc.

The BMU 24 performs image editing (image processing) in the CRT 60, and enlarges, reduces, rotates, moves, or cuts a predetermined image.

The IMEM 25 has 4 bytes and can store images from the reader, images edited by the BMU 24, data decompressed by the ICU 22,
It stores word processing code data based on key code characters, mixed data, or data obtained by exchanging character codes with images. Here, in the case of mixed data, an identification code is attached to the image block and character block and stored. Also, IMEM25
By temporarily storing predetermined data, the liquidator 10. The VRAM 26 stores image data to be displayed on the CRT 60 in bitmap code.

Furthermore, a hard disk device 50 and a floppy disk device 51 are provided as external storage devices. Although these devices are non-volatile memories, backup memories may be used as the non-volatile memories.

The keyboard 61 is used to input characters and the like and to specify a position on the CRT 60 using a cursor. -m62 is pointing device m. In addition, a printer 70 is provided.

Next, the operation of the above embodiment will be explained.

FIG. 3 is a flowchart showing the transmission operation in the above embodiment.

The following flowchart is executed by the CPLI 27 based on a program stored in the PMEM 23.

First, start negotiation with the other station (Sl)) Determine whether or not it is possible to communicate with the other station (S2). If communication is possible, one block of the transmitted data will be displayed in reverse video or in shading. It is determined whether it is a character block (S3). If the character block is expressed in reverse display or gray scale display, one block to which a display mode identifier indicating reverse display or gray scale display is added is transmitted from the hard disk via the memory 23 (S5).
. If the block is expressed in normal display, one block is transmitted as is (S4). Then, it is determined whether or not the one block reception confirmation signal (acknowledgement) has been received from the partner station (S6). Note that reader 1 is inserted before Sl.
Binary image data from 0, character codes from the keyboard 61, or mixed data are stored in the hard disk.

If a reception confirmation signal is received, it is determined whether the next block to be transmitted remains (S7). If the next block still remains, return to S3, repeat the above operations, transmit the final block, and end (S8).
.

If a reception confirmation signal cannot be received from the other station after transmitting one predetermined block (S4 and S5), the data of the block corresponding to the reception confirmation signal that was not received is transmitted from the hard disk (S9). . That is, the data of the corresponding block is retransmitted. This improves the reliability of transmitted data.

In S2 above, if it is determined that communication with the other station is not possible due to a problem such as line disconnection or a difference in the communication mode, an error display (StO) is displayed and the transmission operation is terminated (
S8).

Next, the operation when transmitting will be explained in more detail.

First, a document is read by the reader 10 and its image data is stored in the IMEM 25 via the reader/printer interface 21 and then saved on the hard disk. The image data saved on the hard disk is stored in the PMEM 23 and then sent to the other party via the CCU 3O and the line 40.

In addition, in order to edit the data stored in the hard disk, the data is imported into the IMEM 25, and the BMU 24 performs image scaling, B motion, etc.

Keyboard 61 to mix characters in this edit
Characters manually converted to character data (
Alternatively, the character data stored on the hard disk may be stored in the character block of the image edited by the BMU 24. If the block being edited needs to be expressed in reverse display, gray scale display, or color display, a code value is set and stored.

In order to send the edited data, it is first saved on the hard disk, written to and read out from the PMEM 23, and sent to the other party via the CCU 3O and the line 40.

In order to print the edited result, the edited result data is written into the IMEM 25, taken out, and sent to the printer via the reader/printer interface 21. If this data includes blocks to which a display mode identifier has been added, the printer mode is changed to enable inverted display or gray scale display in accordance with the code value of the display mode identifier, and the data is printed.

To display on the CRT 60, the data written in the PMEM 23 is read out to the VRAM 26 and sent to the CRT 60.

FIG. 4 is a flowchart showing the receiving operation in the above embodiment.

First, negotiation is started (551), and it is determined whether communication with the phase T station is possible (S52).

If communication is possible, the reception, terminal number, class type, etc. of the other party are displayed on the CRT 60 (
S53). This indication of reception is made when the partner station is specified.

The reception display also appears when editing is being performed, and the display blinks. Incidentally, upon receiving the incoming call signal, the CPU 60 stores the received mix data from the CCU 3O in the hard disk via the PMEM 23 using the interrupt and multitasking functions without interrupting the mix editing.

Then, one block of data is received (554) and saved on the hard disk. At this time, if the received data is a block expressed in reverse display or gray scale display, the block to which the display identifier is added is received and stored on the hard disk.

If the storage of this one block of data is confirmed (555), a reception confirmation signal (a signal indicating that the reception of one block of data has been confirmed) is sent to the other station (556).

Then, decide whether the next block remains or not.55
7) If there are any remaining data, the reception, storage on the hard disk, and transmission of a reception completion signal are repeated. On the other hand, if communication with the other station is not possible, an error is displayed (35B).

As described above, since the reception confirmation signal is transmitted after each block of received data is stored in the hard disk, the reliability of the received data is increased.

When actually receiving the data, first use the line 40°CC1J30.
．． The received data is written to and read from the PMEM 23 via the communication interface, and is stored on the hard disk.

To print the received data, the received data stored in the hard disk is written to and read from the PMEM 23, taken out to the IMEM 25, and sent to the printer 70 via the reader/printer interface. If this received data includes blocks to which a display mode identifier has been added, the printer mode is changed to enable inverted display or gray scale display in accordance with the code value of the display mode identifier, and the data is printed.

Figure 6 shows CPLI when displaying data on CRT60.
27 is a flow chart diagram showing the control operation of No. 27. FIG.

The data regarding the display area of the block data to be displayed is manually entered (S62).

Next, it is determined whether a display mode identifier is added to the display block data (363), and if no identifier is added, the block data is displayed in the display area input in S62 (S65), and a display mode identifier is added. If so, according to the content of the display mode identifier, the block data will be displayed in reverse video in the display area manually entered in S62,
Alternatively, set the display mode to display shading and press S6.
Proceed to step 5 (S64).

Then, it is determined that the display of the data on page O has ended (S6
Repeat steps 362-S66 up to 6).

To display on the CRT 60, the data written in the PMEM 23 is read out to the VRAM 26 and sent to the CRT 60. When the received data includes blocks to which a display mode identifier is added, the screen mode is changed to perform inverted display or gray scale display in accordance with the code value of the display mode identifier.

Information on a mixed mode terminal may be either all image information on one page, or character information on one page, or mixed information.

One page of this mixed information is divided into a plurality of blocks, and these blocks are composed of at least one character information block and at least one image information block. This is shown in FIG.

As described above, in this embodiment, a display mode identifier indicating the display mode is added to the block data and the data is transmitted.
Since the receiving side performs display or recording based on the display mode identifier, it is possible to instruct the receiving side to display or record, thereby saving the labor of operators on the transmitting and receiving sides.

Furthermore, since a display mode identifier is added to each block, various displays can be performed depending on each block.

In the above embodiments, the display mode of inverted display or gray scale display is specified, but it is possible to specify various display modes, such as specifying the color of the display, in addition to reverse display or gray scale display. You can also do it.

(Effects) As explained above, according to the present invention, it is possible to set the output mode for each block area, so it is possible to save the effort of converting the original data on the sending side, and moreover, it is possible to save data output on the receiving side. It can be diversified.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing one embodiment of the present invention. FIG. 2 is a perspective view showing the above embodiment. FIG. 3 is a flowchart showing the transmission operation in the above embodiment. FIG. 4 is a flowchart showing the receiving operation in the above embodiment. FIG. 5 is a diagram showing an example of a plurality of blocks constituting a mixed mode. FIG. 6 is a flowchart showing the display operation in the above embodiment.

Claims (1)

[Claims] Means for dividing data into arbitrary blocks; means for generating information instructing the output form of the block data; means for adding the instruction information to the block data; A data communication device characterized by having a data communication means for performing communication.