About: http://webisa.webdatacommons.org/34379007

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, further comprising a lighting device to selectively illuminate the button structure, the lighting device including at least one light emitting diode (LED) and a power source.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com