<http://webisa.webdatacommons.org/284016277>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/284016277>	<http://www.w3.org/ns/prov#value>	"The voltage +24 V is employed as a drive power supply for the photo-traic coupler's light emission side LED. In the heater lamp drive circuit of such an arrangement as well known in the art, upon the turn ON or turn OFF of the light emission side LED, the light-emission side photo-traic is turned ON and OFF at a zero-crossing point of an AC power supply." .
<http://webisa.webdatacommons.org/prov/111828263>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/284016277> .
<http://webisa.webdatacommons.org/284016277>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .