Color detecting device for color printer

Details Color detecting device for color printer Color detecting device for color printer

1978-05-22

1981-01-13

McGraw, Vincent P.

Optics: measuring and testing

By shade or color

Photography

354 38, G01J 346, G03B 2778

Patent

active

042446554

ABSTRACT:
A particular color is defined in terms of red, green and blue densities thereof. When the densities fall within a predetermined ellipsoid in a three-dimensional chromaticity coordinate system the axes of which respectively represent the red, green and blue densities, the color is defined to be of the particular color. The ellipsoid is represented by the following formula.

REFERENCES:
patent: 3653759 (1972-04-01), Klein
patent: 4120581 (1978-10-01), Takahashi et al.

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