About: http://webisa.webdatacommons.org/180023487

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	Suitable optical signalling means include any light source including visible sources such as high intensity LEDs and xenon strobes or invisible sourcessuch as infrared.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com