About: http://webisa.webdatacommons.org/281517161

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 system of claim 1, wherein the key is an infrared sending device and the lock is an infrared receiving device which prevents activation of the prevention device until the infrared signal is received from the key.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es