Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1973-12-28
1977-10-11
Griffin, Robert L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358260, 358261, 340347DD, H04N 712
Patent
active
040539300
ABSTRACT:
A method and device for compressing run-length codes by inserting discrimination bits which discriminate the run-length codes of black elementary areas from those of white elementary areas, where said discrimination bits are weighted as in the case of the bits of the run-length codes.
REFERENCES:
patent: 3804975 (1974-04-01), Abe
patent: 3835386 (1974-09-01), Court
Coles Edward L.
Griffin Robert L.
Ricoh Co. Ltd.
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