PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Means to convert the electric signal to mechanical vibrations and means further to convert the mechanical vibrations back to electric signals, such means generally serving as either time or phase delay means or means to determine the transmission frequency of the coupling network.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uspto.gov