Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1989-01-13
1990-11-20
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358465, 358471, H04M 140
Patent
active
049722735
ABSTRACT:
A scanning device which is capable of scanning documents at high speeds and high resolutions. The present invention uses automatic thresholding techniques and provides variable data compression to accommodate various end user host devices. The present invention is entirely menu driven and utilizes a cursor control and enter button to select the various options available through software.
REFERENCES:
patent: 4110795 (1978-08-01), Spencer
patent: 4393410 (1983-07-01), Ridge et al.
patent: 4737495 (1988-12-01), Yamamoto
Burkhardt Norman S.
Buxton Forrest T.
Nowak Ronald J.
Richard Maureen M.
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