About: http://webisa.webdatacommons.org/398388031

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	However, the synchronizing signal adjustment circuit disclosed requires analog circuits, such as an oscillator, including a crystal and oscillating at the frequency of a color sub-carrier (3.579549 MHz), a multiplier, and an adder.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com