Color mixture indicator device

Details Color mixture indicator device Color mixture indicator device

1984-12-21

1987-04-14

Evans, F. L.

Optics: measuring and testing

By shade or color

With reflective multicolor chart or standard

433 26, G01J 352

Patent

active

046573992

ABSTRACT:
The present invention discloses a set of dental color indicator devices and a method of selecting dental colors. Each indicator device has a number of color samples arranged in a regular array. Each of the samples corresponds to the color at a corresponding location in an identical array formed on one of a plurality of transverse parallel cuts through an elongate substantially elipsoid body which represents the possible range of dental colors when graphically represented on a color co-ordinate system, such as the CIELAB psycometric color system or the Munsell visual color system. The selected color is either the color of one of the samples or a mixture of the color of two adjacent samples.

REFERENCES:
patent: 2009943 (1935-07-01), Munsell et al.
patent: 2805478 (1957-09-01), Adams
patent: 3384983 (1968-05-01), Olson
patent: 3436156 (1969-04-01), Adler et al.
patent: 3436157 (1969-04-01), Adler et al.
patent: 3474546 (1969-10-01), Wedlake
patent: 4523852 (1985-06-01), Bauer
Hendrickson, Information Display, V. 11, N. 6, Jun., 1975, p. 22.
New Trubyte Shades brochure, 11/30/36.

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