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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US443571614 Sep 19816 Mar 1984Method of making a conical spiral antenna
US474235922 Jul 19863 May 1988TDK CorporationAntenna system
US521249319 Feb 199218 May 1993Thomson-LGT Laboratoire General Des Telecomm.Antenna system for reception from direct broadcasting satellites
US530916730 Dec 19923 May 1994Thomson-LGT Laboratoire General des Telecommunications
Telediffusion de France S.A.
Multifocal receiving antenna with a single aiming direction for several satellites
US531732726 Jun 199231 May 1994France Telecom
Telediffusion de France
Composite antenna for receiving signals transmitted simultaneously via satellite and by terrestrial stations, in particular for receiving digital audio broadcasting radio signals
US544445520 Dec 199322 Aug 1995Thomson Consumer Electronics, S.A.Helical antenna feed element with switches to select end fire and backfire modes and circular polarization direction
US591079019 Dec 19968 Jun 1999NEC CorporationBroad conical-mode helical antenna
US738855921 Dec 200617 Jun 2008The Boeing CompanyReflector antenna
US81253979 Jun 201128 Feb 2012Research In Motion LimitedAntenna with near-field radiation control
US822307825 Jan 201217 Jul 2012Research In Motion LimitedAntenna with near-field radiation control