| http://www.w3.org/ns/prov#value | - Patent US5650608 - Method and apparatus for generating ratiometric control signals - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA ratiometric sensor is formed of a first photodiode connected in series with an electronic component, such as a second photodiode or a resistor, between a source of first voltage and a source of second voltag
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