Method of discriminating colors of an object

Details Method of discriminating colors of an object Method of discriminating colors of an object

1986-04-07

1987-08-11

McGraw, Vincent P.

Optics: measuring and testing

By shade or color

With color transmitting filter

250226, 356419, G01J 351

Patent

active

046858083

ABSTRACT:
A color discrimination method and sensor is provided for determining the color of a particular object. The sensor comprises a radiation source, focusing lenses, reflecting surfaces, sharp cut filters and a photodiode for spectral sensitivity. The photodiode detects the light and converts it into electrical signals that are delivered to an amplifier, which produces signals discriminated according to color. The system can detect light within an extended wavelength range of about 440 nm to 900 nm.

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