About: http://webisa.webdatacommons.org/169022958

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	FIG. 1B is a schematic diagram partially in block form of a transversal filter (tapped delay line) apparatus of the type employed for both the local and remote echo cancelers of this invention.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com