About: http://webisa.webdatacommons.org/166658464

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 device of claim 49 wherein said sensor is an optical reader and wherein said at least one marker is at least one line marked on said rotating component configured to be detected by said optical reader.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com