Reduced redundancy facsimile transmission installation

Details Reduced redundancy facsimile transmission installation Reduced redundancy facsimile transmission installation

1978-06-20

1980-10-14

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 712

Patent

active

042284678

ABSTRACT:
The invention relates to a reduced redundancy facsimile transmission installation which includes at the transmission end means which form run length words from the binary data analysis of a document.
In accordance with the invention, at the transmission end, an array of combinatorial logic circuits (26), preferably of the PLA type, is programmed to transcode run length words into other words, using a truncated Huffman code and, at the receiving end, arrays which are also preferably of the PLA type provide inverse transcoding.
Application: facsimile transmission.

REFERENCES:
patent: 3471639 (1969-10-01), Centanni
patent: 3560639 (1971-02-01), Centanni
patent: 3748379 (1973-07-01), Epstein et al.
patent: 4092675 (1978-05-01), Saran
patent: 4092676 (1978-05-01), Saran

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