KR960016839B1 - Reading and recording apparatus of facsimile - Google Patents

Abstract

a G3/G4 switching and recording/reading control part(20) controlling each part in a reading/recording; a G3 function control part(30) to perform a G3 function according to the switching control of the G3/G4 switching and recording/reading control part(20); a G4 function control part(40) to perform a G4 function according to the switching control of the G3/G4 switching and recording/reading control part(20); a reading part(60) reading the manuscript and compressing the read data; a recording part(50) recovering the compressed data; and a pixel density converting part(70) outputting the inputted data.

Description

Facsimile Reading and Recording Devices

1 is a block diagram of a conventional fax relay.

2 is a block diagram of the reading and recording apparatus of the present invention.

* Explanation of symbols for main parts of the drawings

20: G3 / G4 switching and read / record control unit 30: G3 function control unit

31: G3 controller 32: G3 density density converter

33: G3 image control unit 34: G3 decoding / code unit

35: G3 code memory 36: G3 communication control module

40: G4 function control unit 41: G4 control unit

42: G4 image density conversion unit 43: G4 image memory

44: G4 decoding / code 45: G4 code memory

46: G4 communication control module 50: recording unit

51: recording and decoding unit 52, 64: compressed memory

53: record decoding unit 54: recording control unit

55: recording device 60: reading unit

61: reading device 62: reading control unit

63: poison recovery unit 65: poison recovery unit

70: density conversion unit for recording device

The present invention relates to a facsimile reading and recording apparatus. In particular, a facsimile of a facsimile which has a code / decoding unit and a code memory at the front end to perform compression storage of reading image data and compression storage of recording data during G3 / G4 function execution. It relates to a reading and recording device.

A readout and recording device configuration diagram of a conventional facsimile, as shown therein, an integrated control unit (1) for collectively controlling transmission to the digital network (2) and the telephone network 13, the digital network (2) and the telephone network ( 13, G4 communication unit 3 for controlling the exchange of information, G4 transmission and reception unit 4 and 5 for receiving and transmitting information to be transmitted and received, and G4 for restoring data transmitted and received with encoding and image data. The code and decoder (6) (7) and the data restored by the G4 decoder (7) are subjected to density conversion for the corresponding G3 model and stored in the memory (9) or to the G9 model in the memory (9). The density conversion unit 8 converts the density-converted and stored data back to the G4 model and transfers it to the G4 code unit 6, and encodes the input data to the G3 fax unit 12 to the telephone network. Transfer the data or transfer the data transmitted through the telephone network 13 and the G3 fax unit 12 It consists of a G3 code and a decoder 10 and 11 which are decoded and transmitted to the memory 9.

Looking at the conventional technology configured as described above is as follows.

First, data transmission from the digital network 2 to the telephone network 13 is performed by the G4 communication control unit 3 and the control information exchange unit D channel through the B channel according to the control of the integrated control unit 1. Received by 5) and decoded by the G4 decoder 7 as image data and transferred to the density conversion unit 8.

Then, the density conversion unit 8 performs the density conversion for the corresponding G3 model, is stored in the memory 9, encoded in the G3 code unit 10, and transmitted to the telephone network 13 via the G3 fax unit 12. .

The transmission from the telephone network 13 to the digital network 2 reverses the above-described process, i.e., the data input through the telephone network 13 and the G3 fax unit 12 is transmitted from the G3 decoder 11 to G4. Decoded according to the model and stored in the memory 9, and then converted into a density in the density conversion section 8, and encoded in the G4 coder 8 and input to the G4 transmitter (4) to transmit the transmitted data to the G4 communication control unit In (3), data is transmitted to the digital network (2).

However, if such a system is applied to the G4 fax, the G4 / G3 relay function can be performed, but if the function of receiving and storing G4 / G3 information from the external device and reading and storing the originals occurs at the same time, the original document is read. There is a problem that simultaneous processing cannot be performed because there is no take and record section.

Therefore, in order to solve the conventional problem, the present invention allows the G4 fax to separate and execute the G3 / G4 (send / receive) function and to read and record when the G3 / G4 (send / receive) function occurs. Invented a reading and recording apparatus of the present invention will be described in detail below with reference to the accompanying drawings.

2 is a configuration diagram of the reading and recording apparatus of the present invention, as shown in FIG. 2, G3 / G4 switching and recording / reading, which controls each unit to enable transmission and reception of a telephone network and a digital network, and controls each unit during reading and recording. A control unit 20, a G3 function control unit 30 for performing a G3 function according to the switching control of the G3 / G4 switching and recording / reading control unit 20, and the G3 / G4 switching and recording / reading control unit 2 G4 function control unit 40 to perform the G4 function according to the control of switching), a reading unit 60 for reading the document at high speed and compressing and storing the read data, and receiving the received compressed data image. And a recording unit 50 for restoring and recording the image data, and a recording unit density converting unit 70 for converting and inputting the input data into a density conversion in accordance with the recording size of the recording apparatus of the relative transmission device.

Referring to the operation and effects of the present invention configured as described above are as follows.

At the same time as the recording function is generated, upon reception of G3, the G3 control unit 31 of the G3 function control unit 30 notifies the G3 / G4 switching and recording / reading control unit 20 of the occurrence of the G3 receiving function and the G3 image memory 33. Is controlled to transmit G3 image data in mm units (horizontal x vertical resolution: 8pel x 3.58pel) to the G3 image density conversion unit 32.

At this time, if the G3 / G4 switching and recording / reading control unit 20 controls the G4 control unit 41 of the G4 function control unit 40, the G4 control unit 41 controls the G4 image density conversion unit 42 to obtain a G3 image. Image data of the memory 43 is input to the G4 density density converter 42.

Accordingly, when G3 image data is input to the G4 image density conversion section 42, the G3 image data is converted into a horizontal × vertical resolution (400 dpi × 400 dpi) and a document size conversion to be recorded in the G4 image memory 43 and the recording unit. It is transmitted to the recording code unit 51 of 50.

The data transmitted to the recording code unit 51 is encoded, compressed in the compression memory 52, restored in the recording code unit 53, and recorded in the recording apparatus via the recording control unit 54.

In addition, when a read function occurs, the G3 / G4 switching and recording / read control unit 20 controls the read control unit 62 of the read unit 60, and the read control unit 62 reads the resolution of the main scan line 400 dpi. Control the 61 to perform the binarization processing of the received picture signal by binarization, image information, phase separation, and 64 gradations, and then transfer the received signal to the read-out decoding unit 65 without going through the recording-density conversion unit 70; do. Accordingly, the read coder 63 compresses the read image data by MMR encoding and stores the read image data in the compressed memory 64. The compressed image data stored in the compressed memory 64 is restored by the read decoding unit 63 to perform a read function.

The compressed image data is transmitted to the recording decoder 53 at the time of recording, restored to the recording image data, and transferred to the recording apparatus 55 via the recording controller 54.

In addition, during the G3 / G4 transmission, the data of the compressed memory 64 of the reading unit 60 is restored by the reading decoding unit 65, and is transferred from the reading decoding unit 65 to the G4 density conversion unit 42, and the relative data is transmitted. The recording size and the density conversion of the recording device of the G4 transmission device are performed, stored in the G4 image memory 43, encoded in the G4 coder 44, and then passed through the G4 code memory 45 and the G4 communication control module 46. Transmitted over the digital network.

When the G3 transmission is transmitted from the read control unit 62 to the G3 density conversion unit 32, the G3 density conversion unit 32 performs the recording size and the density conversion of the recording device of the other G3 transmission device. After being stored in the G3 image memory 33, it is encoded by the G3 coder 34 and transmitted to the telephone network via the G3 code memory 35 and the G3 communication control module 36.

As described in detail above, the present invention separates the G3 and G4 function controllers 30 and 40 from the recording unit 50 and the reading unit 60 so that G3 / G4 functions simultaneously occur when G3 / G4 functions occur. And at the same time, when reading function occurs when G3 / G4 function is performed, only reading function is performed separately, so that image data can be compressed and stored and recorded and transmitted.

Claims (3)

G3 / G4 switching and recording / reading control unit 20, which controls each unit to transmit and receive data between the telephone network and the digital network, and controls each unit during reading and recording, and the G3 / G4 switching and recording / reading control unit. G3 function control unit 30 to perform the G3 function according to the switching control of (20), and G4 function control unit to perform the G4 function according to the switching control of the G3 / G4 switching and recording / read control unit 20 ( 40), a reading unit 60 for rapidly reading an original and compressing and storing the read data, a recording unit 50 for restoring and recording the received compressed data image into original image data, and inputted data. A facsimile reading and recording device comprising: a density conversion unit (70) for a recording device for outputting a density conversion in accordance with a recording size of a recording device of a relative transmission device. The method of claim 1, wherein the recording unit 50 A recording code unit 51 for compressing the G4 image data inputted from the G4 image density conversion section 42 and storing it in the compression memory 52, and a recording decoding unit for restoring the G4 compression data stored in the compression memory 52 ( 53) and a recording control unit (54) for controlling and recording the recording device (55) for the data restored by the recording code unit (53). The compressed memory of claim 1, wherein the read unit 60 compresses the read control unit 62 and the read image data to control the read device 61 to perform binarization and image correction on the received signal. A read code unit 63 for storing in the 64 and a read code unit 65 for restoring the data stored in the compressed memory 64 to the G3 and G4 density density converting units 32 and 42. A facsimile reading and recording device, characterized in that.