About: http://webisa.webdatacommons.org/182707492

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	Each signal is a composite video signal taken at the output of A/D converter 14 and having an AC component representing the chrominance at a frequency of the color subcarrier (Fc) and a DC component.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com