JPH01162071A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To shorten a transmitting and receiving time and to economize a paper by simultaneously reading picture information, which are recorded in inside and outside, with two reading devices, temporarily storing one information, successively transmitting them, temporarily storing the picture information to arrive in advance in a receiving side and simultaneously recording the picture information to arrive later on the both sides of the paper with two recording part. CONSTITUTION:The surface of an original paper 21 is read by a surface reading part 2 in a reading device 1 and the back of the original paper is read by a back reading part 3 simultaneously, Then, the surface picture information are sent to an encoder 5 and the back picture information are temporarily accumulated in a back picture data memory 4 and converted to encoding information by the encoder 5 when the surface picture information are encoded and transmission is finished. Then, the information are transmitted. Next, at a receiving time, the surface picture information are temporarily accumulated in a surface picture data memory 8. When the decoding of the back encoding information is started, the surface picture information are sent to a surface recording part 10 in a recording device 9 and the back picture information are sent to a back recording part 11 simultaneously. Thus, the surface picture information and the back picture information are respectively simultaneously recorded on the surface and back of a same paper 22.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention is applied to a facsimile machine having an encoder/decoder.

〔overview〕

The present invention provides a facsimile machine that reads and encodes image information on original paper and sends it to a line, as well as decodes electrical signals input via the line and records it on the paper. Two sets are provided for each set, and each is equipped with a memory that temporarily stores back image information before encoding and front image information before decoding, and by simultaneously reading both sides of the original paper and recording both sides of the paper, The present invention is intended to reduce the number of man-hours and operation time required for facsimile communication of recorded manuscripts, and also to reduce the amount of paper used.

[Conventional technology]

Conventionally, a facsimile machine with an encoder/decoder is
It was not equipped with a reading section that could simultaneously read the image information written on the front and back sides of the original paper, and a recording section that could simultaneously record the received image information on both sides.

[Problem that the invention seeks to solve]

Therefore, when transmitting image information written on both sides of a base paper, the base paper must be reversed during the operation and transmitted twice.

Alternatively, by copying the image information on the back side in advance and reading it next to the original paper with the front side as the reading surface, a plurality of original papers with writing on both sides were transmitted.

On the other hand, on the receiving side, image information for the front and back sides of the original paper was recorded on one side of each of the two sheets of paper.

In such a device, the number of man-hours and time required for operation is large, and a large amount of paper is used.Furthermore, since the number of recorded sheets is doubled on the receiving side, it becomes difficult to store them.

An object of the present invention is to provide a facsimile device that solves these drawbacks.

[Means for solving problems]

The present invention includes a first reading unit that reads information on the surface of original paper, an encoder, means for sending information as an electrical signal to a line, means for receiving the electrical signal from the line, and a decoder. , a first recording section that records decrypted information on the front side of a sheet of paper; a second reading section that reads information on the back side of the original paper at the same time as the first reading section; a back image data memory for temporarily storing the information read by the second reading section; a control means for reading out the contents of the back image data memory and applying it to the encoder after sending out the information on the front side; a surface image data memory for temporarily storing information read by the first reading unit from among the information decoded by the encoder; and information read by the second reading unit from among the decoded information. a second recording unit that records on the back side of the paper;
A control means for reading the contents of the front image data memory following reception of the front side information and operating the second recording unit in synchronization with decoding of the received back side information. shall be.

[Effect]

Two reading devices simultaneously read the image information recorded on the front and back sides of a single transmission document, temporarily store one of the images, and transmit the information in turn. On the receiving side, the image information for one side that arrived first is temporarily stored, and the image information for the side that arrived later is simultaneously recorded on both sides of - sheets of paper using two recording units.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a block diagram of an embodiment of the present invention. 1st
In the figure, the apparatus of this embodiment includes a reading device 1 equipped with a front surface reading section 2 which is a first reading section for reading image information written on the surface of a base paper 21, and a reading device 1 equipped with a front surface reading section 2 which is a first reading section for reading image information written on the surface of a base paper 21; An encoder 5 for encoding, this encoder 5 and a line 20
a decoder 7 that decodes the encoded image information input from the line interface 6, and a decoder 7 that records the surface image information sent from the decoder 7 on the paper 22. a recording device 9 including a surface recording section 10 which is one recording section; and a system control section as a control means for controlling the reading device 1, the recording device 9, the encoder 5, the decoder 7, and the line interface 6. 12
It consists of The line interface 6 is a means for transmitting encoded electrical signals to the line 20 to the encoder 5, and a means for receiving electrical signals from the line 20 to the decoder 7.

Here, the feature of the present invention is that the reading device 1 is equipped with a back side reading section 3 which is a second reading section that simultaneously reads the image information on the back side of the original paper 20 read by the front side reading section 2, and this read image information is read. Back screen data memory 4 for temporary storage and line 2
0 and the line interface 6 and decoded by the decoder 7, the front image data memory 8 temporarily stores the image information read by the front surface reading section 2, and the recording device 9 decodes the image information. and a back side recording section 11 which is a second recording section for recording the image information read by the back side reading section 3 from among the image information read out, and in the reading operation, the back side information is sent out after sending out the front side information. However, in the recording operation,
The purpose is to control the system control unit 12 so that the received front side information is temporarily stored and recorded in synchronization with the back side information.

FIG. 2 shows a flowchart of the reading operation of this embodiment, and FIG. 3 similarly shows a flowchart of the recording operation.

The flow of the embodiment will be explained using FIG. 2, FIG. 3, and FIG. 1. First, at the time of transmission, as shown in FIGS. 1 and 2, the front side reading unit 2 in the reading device 1
The back side reading unit 3 in the reading device 1 simultaneously reads the front side of the original paper, and the front side image information read by the front side reading unit 2 is sent to the encoder 5, and the back side image information read by the back side reading unit 3 is read. The information is temporarily stored in the back screen data memory 4 and is in a waiting state. The surface image information is converted into encoded information, which is an electrical signal, by the encoder 5 and transmitted to the line 20 via the line interface 6. After the front image information has been encoded and transmitted, the back screen information accumulated in the back image data memory 4 is sent to the encoder 5, where it is converted into encoded information, and the front image information is encoded. The information is subsequently transmitted via the line interface 6.

Next, at the time of reception, as shown in FIG. 3, surface encoded information, which is an electrical signal, is first received via the line interface 6, and decoded into image information by the decoder 7. This surface image information is temporarily stored in the surface image data memory 8. Following the reception of the front side encoded information, the back side encoded information is received via the line interface 6 and decoded into image information by the decoder 7, and when the decoding of the back side encoded information starts, the front side image The front side image information stored in the data memory 8 is simultaneously sent to the front side recording section 10 in the recording device 9, and the back side image information decoded by the decoder 7 is sent to the back side recording section 11 in the recording device 9. In this way, the front side image information and the back side image information are simultaneously recorded on the front side and the back side of the same sheet 22, respectively.

〔Effect of the invention〕

As described above, according to the present invention, the operation of the facsimile machine is simplified, the transmission and reception times are shortened, and paper is saved.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of the present invention. FIG. 2 is a flow chart of the reading operation of the above embodiment. FIG. 3 is also a recording operation flowchart. DESCRIPTION OF SYMBOLS 1... Reading device, 2... Front side reading part, 3... Back side reading part, 4... Back side image data memory, 5... Encoder, 6... Line interface, 7... ...Decoder, 8...Surface image data memory, 9...Recording device, 1
0... Front side recording section, 11... Back side recording section, 12...
- System control unit, 20... line, 21... original paper,
22...Paper.

Claims (1)

[Claims] (1) A first reading section that reads the information on the surface of the original paper, an encoder that encodes the read information, a means for sending the encoded information as an electrical signal to the line, and a means for sending the encoded information to the line as an electric signal. A facsimile machine comprising means for receiving a signal, a decoder for decoding the received electrical signal, and a first recording section for recording the decoded information on the front side of the paper, the back side of the original paper. a second reading section that simultaneously reads the information of the first reading section; a back side image data memory that temporarily stores the information read by the second reading section; a control means that reads the contents of the image data memory and provides the same to the encoder; a surface image data memory that temporarily stores information read by the first reading unit from among the information decoded by the decoder; a second recording unit that records the information read by the second reading unit from among the decoded information on the back side of the paper; and following reception of the front side information, the content of the front side image data memory is recorded. and control means for reading out the information on the back side and operating the second recording section in synchronization with the decoding of the received information on the back side.