About: http://webisa.webdatacommons.org/300417661

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	In this prior art, a spindle motor for rotating the recording medium is servo-controlled according to signals such as a synchronization signal and a sub-code signal read from the recording medium.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com