Method of obtaining a range of colors

Details Method of obtaining a range of colors Method of obtaining a range of colors

2005-03-08

2005-03-08

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By shade or color

With sample responsive to plural colors applied simultaneously

C356S416000

Reexamination Certificate

active

06864981

ABSTRACT:
A method of obtaining a range of colors includes the following steps: selecting a test color from a predetermined set of colors, selecting a test palette comprising a plurality of color samples, measuring the real color of each sample when illuminated by a white light source, measuring the apparent color of each sample when illuminated by a test source formed by the white light source filtered by the test color, measuring the chromatic error between the real color and the apparent color of each sample, taking account of chromatic adaptation, measuring the mean chromatic error for all the chromatic errors, comparing the mean chromatic error to a test value, and adding the test color to the range if the mean chromatic error is less than or equal to the test value.

REFERENCES:
patent: 3609047 (1971-09-01), Marlow
patent: 3653771 (1972-04-01), Piringer
patent: 6149270 (2000-11-01), Hayashi
patent: 0 800 096 (1997-10-01), None

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