<http://webisa.webdatacommons.org/prov/156183208>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/239207899> .
<http://webisa.webdatacommons.org/239207899>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/239207899>	<http://www.w3.org/ns/prov#value>	"In accordance with the present invention, there is provided an optical scanner comprising: a light source including a laser diode for emitting a laser beam; an optical deflector for deflecting the laser beam to thereby produce a scanning laser beam; and a protection means for protecting the laser diode of the light source from being overheated." .
<http://webisa.webdatacommons.org/239207899>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .