Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1980-04-23
1983-08-16
Griffin, Robert L.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358280, H04M 140
Patent
active
043994695
ABSTRACT:
System and method for reproducing images having areas of different color density scanned by a beam. A signal corresponding to an average level of color density within the target area of the beam is provided and compared with the signal from the central portion of the target area to detect the boundaries between the areas of different color density.
REFERENCES:
patent: 2975371 (1961-03-01), Greanias
patent: 4227218 (1980-10-01), Vandling
patent: 4247873 (1981-01-01), Decuyper
American Hoechst Corporation
Coles Edward L.
Griffin Robert L.
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