Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1991-09-27
1993-06-08
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358455, 358465, 358426, H04N 140
Patent
active
052184579
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: 4675745 (1987-06-01), Suzuki
patent: 4972273 (1990-11-01), Burkhardt
"Image Processing Enters a New Era-Where Does Computer Graphics Meet Image Processing?", Pixel Magazine, No. 16, Jan., 1984. (Translation).
Burkhardt Norman S.
Buxton Forrest T.
Nowak Ronald J.
Richard Maureen M.
Coles Sr. Edward L.
Lee Thomas D.
Scan-Graphics, Inc.
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