About: http://webisa.webdatacommons.org/431780186

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	An error signal indicative of a difference in value is supplied to a driving circuit 116b which includes an amplifier, etc., and an exciting current for operating an actuator, such as a motor or the like, is produced.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es