<http://webisa.webdatacommons.org/prov/156183209>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/304844599> .
<http://webisa.webdatacommons.org/304844599>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/304844599>	<http://www.w3.org/ns/prov#value>	"The invention is characterized in that said components consist of one or more circuits with electro-optical feedback, in which at least one optical modulator is located in the ray path between at least one light source, for example a light-emitting diode or laser diode, and at least one photo-detector, for example a photo-resistor or a photo-diode, the photo-detector being connected into at least" .
<http://webisa.webdatacommons.org/304844599>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patentgenius.com> .