Color sensor
First Claim
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1. A color sensor comprising:
- a plurality of photovoltaic cells each having a different photosensing wavelength area, and electrically connected together in a series configuration;
connecting means electrically connected across both end terminals of said series-connected photovoltaic cells to provide an electrically closed circuit; and
sensing means for sensing a voltage generated across the respective photovoltaic cells, and for evaluating colors of light incident on the color sensor.
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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.
108 Citations
17 Claims
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1. A color sensor comprising:
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a plurality of photovoltaic cells each having a different photosensing wavelength area, and electrically connected together in a series configuration; connecting means electrically connected across both end terminals of said series-connected photovoltaic cells to provide an electrically closed circuit; and sensing means for sensing a voltage generated across the respective photovoltaic cells, and for evaluating colors of light incident on the color sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification