<http://webisa.webdatacommons.org/180023487>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/180023487>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patentgenius.com> .
<http://webisa.webdatacommons.org/180023487>	<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://webisa.webdatacommons.org/prov/389439245>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/180023487> .