Facsimile communication system and method

Details Facsimile communication system and method Facsimile communication system and method

1977-01-28

1979-06-19

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358257, 358261, H04N 140, H04N 712

Patent

active

041588614

ABSTRACT:
A facsimile communication system for compressing, transmitting and reproducing facsimile information is provided, wherein a transmitter includes a correlation detector. When a first facsimile information scanned along a first scanning line has a low pattern density, the correlation detector determines by discrimination that at least one successive facsimile information, for example a second facsimile information scanned along a second scanning line adjacent to the first scanning line, should be abridged. Then, the transmitter compresses the first facsimile information and a third facsimile information contained in a third scanning line, and the compressed first and third facsimile informations are transmitted to a remote receiver. The remote receiver also includes a correlation detector and the correlation detector determines by discrimination that the compression-demodulated first facsimile information has a low pattern density. Then, the remote receiver supplies the first facsimile information to a recording device when it scans a first scanning line and further, repeated first facsimile information is supplied to at least one successive scanning line, for example, to a second scanning line. Thereafter, the compression-demodulated third facsimile information is supplied to the recording device when it scans a third scanning line.

REFERENCES:
patent: 3643016 (1972-02-01), Dattilo
patent: 3804975 (1974-04-01), Abe
patent: 3830966 (1974-08-01), Aldrich
patent: 3919464 (1975-11-01), Kondoh
patent: 3947627 (1976-03-01), Tanaka
patent: 3955045 (1976-05-01), Ford
patent: 3991267 (1976-11-01), Beaudette

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