About: http://webisa.webdatacommons.org/374540868

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	A passive radiation motion detector as defined in claim 1, wherein said focusing lens is a Fresnel lens.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com