About: http://webisa.webdatacommons.org/61327306

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 position measuring system in accordance with claim 1, wherein said light source is a point light source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com