Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1997-05-14
2000-01-04
Coles, Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358447, 358458, 358463, 382274, 382275, H04N 140, H04N 138, G06K 936, G06F 1500
Patent
active
060119071
ABSTRACT:
The current disclosure is directed to a method of and a system for processing input image data based upon a predetermined periodic control signal which promotes predetermined patterns at a desirable orientation and reduces undesirable texture in an output image. One example of the desirable predetermined patterns includes parallel lines in a sub-scanning direction.
REFERENCES:
patent: 5754311 (1998-05-01), Ray
patent: 5805741 (1998-09-01), Shinohara
Murayama Noboru
Shimura Hiroshi
Suzuki Kiyoshi
Coles Edward L.
Ricoh & Company, Ltd.
Wallerson Mark
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