About: http://webisa.webdatacommons.org/360065336

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	In this embodiment, the LED's are oriented at an angle to each other, such as ninety degrees, so that wider angular acceptance results, providing more reliable communication.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com