PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • hod thereofUS7773688 *Dec 20, 2004Aug 10, 2010Parkervision, Inc.Method, system, and apparatus for balanced frequency up-conversion, including circuitry to directly couple the outputs of multiple transistorsUS8571135 *Dec 12, 2011Oct 29, 2013Parkervision, Inc.Method, system and apparatus for balanced frequency up-conversion of a baseband signalUS20120114078 *Dec 12, 2011May 10, 2012Parkervision, In
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com