Color-tone controlling method and apparatus therefor

Details Color-tone controlling method and apparatus therefor Color-tone controlling method and apparatus therefor

1988-02-10

1989-02-21

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 77, G03B 2732, G03B 2752

Patent

active

048069841

ABSTRACT:
Disclosed is a color-tone controlling method and apparatus therefor, in which a desirably selected one of a plurality of color-tone plates of various colors such as red, green, blue, and so on is put onto a back surface of a color photosensitive medium, so that when a front surface of the color photosensitive medium is exposed to image carrying light, a part of light transmitted through the color photosensitive medium of the same color as that of the color-tone plate is reflected on the color-tone plate so as to re-expose the back surface of the color photosensitive medium.

REFERENCES:
patent: 4626097 (1986-12-01), Uchida
patent: 4748475 (1988-05-01), Ishiyama et al.
patent: 4772922 (1988-09-01), Kawahara et al.

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