Color sensor

Details Color sensor Color sensor

1985-11-04

1987-06-30

Laroche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250578, 357 30, G01J 350, H01J 4014

Patent

active

046772898

ABSTRACT:
A color sensor comprises a cell group comprised of a plurality of photovoltaic cells having a different photosensing wavelength area and being electrically, series-connected, a connection circuit electrically connected across both terminals of the cell group to provide an electrically closed circuit, and a sensing circuit adapted to sense a voltage across both terminals of the respective photovoltaic cell and to evaluate a color component of light incident on the color sensor.

REFERENCES:
patent: 4387265 (1983-06-01), Dalal
patent: 4581625 (1986-04-01), Gay et al.

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