Color sensor

Details Color sensor Color sensor

1983-11-22

1987-07-07

Evans, F. L.

Optics: measuring and testing

By shade or color

356420, 250226, G01J 350

Patent

active

046783385

ABSTRACT:
A color sensor includes a plurality of light emitting sources of different colors each of which is driven in a time divisional manner to emit the different colors sequentially, a light receiving element for receiving the light from an object illuminated by the respective color lights from the light emitting sources and a circuit arrangement for producing output signals representing the color of the object.

REFERENCES:
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patent: 3609044 (1971-09-01), Murphy
patent: 3709615 (1973-01-01), Blakeslee et al.
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patent: 3994590 (1976-11-01), Di Martini et al.
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patent: 4278349 (1981-07-01), Sander
patent: 4476982 (1984-10-01), Paddock et al.
patent: 4494875 (1985-01-01), Schramm et al.
"An On-Line Shade Monitor for Strip Materials," Purll et al., Optica Acta, v. 25, No. 12, Dec. 1978, p. 1197.

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