Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1988-01-29
1989-09-05
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358456, 382 47, H04N 104, H04N 1393
Patent
active
048644137
ABSTRACT:
An image processing system includes a density magnification processing unit for taking an average in density of two adjacent image data only at a point of change in the main scanning direction in a size enlargement mode. Thus, the density variation in the main scanning direction is made smoother.
REFERENCES:
patent: 4417805 (1983-11-01), Kishi
patent: 4679096 (1987-07-01), Nazashima
Coles Sr. Edward L.
Ricoh & Company, Ltd.
Vu Kim Yen
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