<http://webisa.webdatacommons.org/378835637>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/378835637>	<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" .
<http://webisa.webdatacommons.org/prov/186448185>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/378835637> .
<http://webisa.webdatacommons.org/378835637>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .