About: http://webisa.webdatacommons.org/95890792

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	A signal transmission apparatus according to claim 4, wherein the digital signal is an image signal, and the protection detecting part retrieves copyright protection information multiplexed during a blanking period of the digital signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com