Method of and a system for color separation

Details Method of and a system for color separation Method of and a system for color separation

1977-05-18

1979-12-25

Corbin, John K.

Optics: measuring and testing

By shade or color

With color determination by light intensity comparison

250578, 356416, G01J 346, H04N 146

Patent

active

041803302

ABSTRACT:
Light beams scans patterns of a subject copy, being reflected therefrom, and being converted into pulsating electrical signals. Color borders between two different colored patterns are detected based on the pulsating signals. On the other hand, a color of a predetermined scanned line following each of the color borders is sensed for determining the sensed color as a color between the adjacent color borders.

REFERENCES:
patent: 3578976 (1971-05-01), Schunack
patent: 3604840 (1971-09-01), Sharp
patent: 3720779 (1973-03-01), Schunack
patent: 3834817 (1974-09-01), Vinneman et al.
patent: 3942154 (1976-03-01), Akami et al.
patent: 4090243 (1978-05-01), Kotera et al.

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