Process and system for variable contrast color photographic imag

Details Process and system for variable contrast color photographic imag Process and system for variable contrast color photographic imag

1980-07-28

1982-11-16

Rubinson, G. Z.

Photocopying

Projection printing and copying cameras

Multicolor picture

355 77, 430506, 430357, G03B 2773

Patent

active

043592805

ABSTRACT:
A color photographic imaging process and system uses a photographic film and/or printing paper wherein blue, green and red light is radiated on corresponding yellow, magenta and cyan dyes to obtain an image and the peak transmittances of the blue, green and red light are modulated to vary the resulting contrast of the color image.

REFERENCES:
patent: 3085468 (1963-04-01), Hehn
patent: 3469914 (1969-09-01), Thomson
patent: 3923394 (1975-12-01), Frankiewicz
patent: 4230795 (1980-10-01), Krause

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