Color filter device

Details Color filter device Color filter device

1989-09-07

1991-02-26

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502082, G01J 350

Patent

active

049964178

ABSTRACT:
The present invention relates to a color filter device employed in a color temperature sensor or the like. In the color filter device of the present invention, photoelectric currents caused by lights transmitted through color filter elements are electrically synthesized and a resultant photoelectric current is used to obtain an output characteristic thereof. Therefore, using existing color filter members, a color filter having a new filtering characteristic can be provided.

REFERENCES:
patent: 3821550 (1974-06-01), Priest
patent: 4095696 (1978-06-01), Sherwood
patent: 4379636 (1983-04-01), Yoshida

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