About: http://webisa.webdatacommons.org/120812293

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In FIG. 2, a laser driver 201 is a circuit for driving a semiconductor laser 202, and switches the ON/OFF state of a laser beam 203 emitted by the semiconductor laser 202 in accordance with a video signal output from the controller 103.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com