About: http://webisa.webdatacommons.org/170965027

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 plunger sensor as set forth in claim 2, in which said reflecting means is a reflecting plate having a reflecting surface opposed to said photo-coupler.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com