Facsimile communication system

Details Facsimile communication system Facsimile communication system

1987-12-04

1990-11-13

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

358401, 358434, H04N 100

Patent

active

049706039

ABSTRACT:
A facsimile communication system for communicating picture data among facsimile machines including two types of facsimile machines having different coding algorithms for picture data and different resolutions. One type of facsimile machine is directly connected to a store and forward switching network and the other type of facsimile machine is connected to the store and forward switching network through a facsimile terminal controller. When the facsimile terminal controller receives picture data from the other type of facsimile machine, it decodes the received picture data, encodes it by the coding algorithm of the first type of facsimile machine and sends it to the store and forward switching network. When the facsimile terminal controller receives the picture data from the store and forward switching network, it decodes the received picture data, encodes it by the coding algorithm of the other type of facsimile machine and sends it to the other type of facsimile machine. When a resolution of the image data received from the store and forward switching network is different from a resolution of the picture data to be sent to the other type of facsimile machine or vice versa, the facsimile terminal controller converts the image data to the appropriate resolution.

REFERENCES:
patent: 3920896 (1975-11-01), Bishop
patent: 3958088 (1976-05-01), Vieri
patent: 4058672 (1977-11-01), Grager
patent: 4058838 (1977-11-01), Crager
patent: 4491873 (1985-01-01), Takayama
patent: 4533958 (1985-08-01), Herget
patent: 4644409 (1987-02-01), Fuchs
patent: 4876604 (1989-10-01), Nobuta
"Separate System for Facsimile Communication", Study of International Communication, No. 128, Apr. 1986, pp. 75-79-published by KDD.

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