Method of discriminating colors of an object
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United States of America Patent
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Aug 11, 1987
Issued Date -
N/A
app pub date -
Apr 7, 1986
filing date -
Apr 5, 1985
priority date (Note) -
Expired
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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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