PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Inc.Method and system for down-converting and electromagnetic signal, and transforms for sameUS7773688Dec 20, 2004Aug 10, 2010Parkervision, Inc.Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistorsUS7822401Oct 12, 2004Oct 26, 2010Parkervision, Inc.Apparatus and method for down-converting electromagnetic signal
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com