About: http://webisa.webdatacommons.org/76070177

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	Whereas, for the data signals other than the video signal, a DPSK (differential phase shift keying) modulation method which differs from the frequency modulation is employed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr