About: http://webisa.webdatacommons.org/181287320

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	The apparatus of claim 1 wherein the trigger is a photo optic or photo electric switch. 5.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com