Color displaying apparatus

Details Color displaying apparatus Color displaying apparatus

1978-05-30

1980-01-29

Evans, F. L.

Optics: measuring and testing

By shade or color

Trichromatic examination

356402, G01J 350

Patent

active

041859200

ABSTRACT:
The present invention is a color displaying apparatus for display and comparison of the chromaticity and brightness of colors. The chromaticity chart and brightness scale positions of colors having known x-y-Y values set into the apparatus are automatically displayed. In conjunction with a color meter, the chromaticity chart and brightness scale positions of an unknown sample color are automatically displayed. Using graphic memory means and numerical display devices, the chromaticity chart and brightness scale positions and the x-y-Y values of two or more colors can be compared.

REFERENCES:
patent: 3330904 (1967-07-01), Gebel
patent: 3504980 (1970-04-01), Bentley et al.
patent: 3531208 (1970-09-01), Ward

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