About: http://webisa.webdatacommons.org/244261870

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	Various communications ports are used to control devices such as audio and video switchers, CODEC and still video recorders (SVR).
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com