About: http://webisa.webdatacommons.org/309608859

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 in which said photoresponsive receiving means is a photodiode configured having an angle of radiation acceptance of about 10??? measured from its optical axis to its half power point.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com