Patents
Patents for H01Q 11 - Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements (4,834)
02/2000
02/29/2000US6031493 Antenna for two frequency bands
02/22/2000US6028559 Loop antenna
02/22/2000US6028558 Toroidal antenna
02/22/2000US6028556 Portable radio communication apparatus
02/17/2000WO2000008713A1 Low profile mobile satellite antenna
02/17/2000WO2000008712A1 Multiband antenna
02/17/2000WO2000008707A1 Antenna for hand-held communication user terminal
02/16/2000EP0980114A1 Helical antenna and portable transceiver
02/16/2000CN1244956A Dual band antenna
02/15/2000US6025816 Antenna system for dual mode satellite/cellular portable phone
02/15/2000US6025807 Orientation independent loop antenna
02/09/2000EP0978897A1 Extending whip antenna having a notched stopper
02/09/2000CN2363388Y Microstrip detection type microwave antenna
02/08/2000US6023251 Ceramic chip antenna
02/07/2000CA2279607A1 Extendible whip antenna assembly with a whip antenna having a notched stopper
02/03/2000WO2000005781A1 An antenna device
02/03/2000WO2000005780A1 Portable reception indicator for satellite radio-navigation systems
02/03/2000WO1999063626A3 Antenna connector for radio communication equipment
02/02/2000EP0977303A2 Antenna for radio telephone
02/01/2000US6020857 Strengthened quad antenna structure
01/2000
01/27/2000DE19933723A1 Integrated dual mode antenna e.g. for satellite broadcast reception
01/25/2000US6018327 Single-wire spiral antenna
01/25/2000US6018326 Antennas with integrated windings
01/25/2000US6018323 Bidirectional broadband log-periodic antenna assembly
01/20/2000WO2000003454A1 Retractable dual-band tapped helical radiotelephone antennas
01/19/2000CN1242113A Retractable radiotelephone antennas and associated radiotelephone communication methods
01/18/2000US6016431 Radiotelephones with integrated matching antenna systems
01/18/2000US6016423 Mobile communicator system
01/18/2000US6016127 Traveling wave antenna
01/12/2000EP0970540A1 An antenna and a feed network for an antenna
01/12/2000EP0970539A2 Dual-band helical antenna
01/12/2000EP0970537A1 Antenna element
01/12/2000EP0970534A1 Antenna for radio transmitter and receiver
01/12/2000CN1241308A L-band quadrifilar helix antenna
01/12/2000CN1241307A Dual frequency band quadrifilar helix antenna systems and methods
01/11/2000US6014107 Dual orthogonal near vertical incidence skywave antenna
01/11/2000CA2198111C Method and antenna for providing an omnidirectional pattern
01/11/2000CA2170918C Double-delta turnstile antenna
01/06/2000WO2000001029A1 Antenna unit for portable phones
01/04/2000US6011964 Helical antenna for a portable radio apparatus
01/04/2000US6011525 Variable helical antenna
01/04/2000US6011524 Integrated antenna system
01/04/2000US6011522 Conformal log-periodic antenna assembly
12/1999
12/30/1999DE19828397A1 Tunable antenna for mobile telephone
12/29/1999WO1999067852A1 Tuneable antenna with separate radiators and its manufacturing process
12/29/1999EP0966775A1 Reactively coupled elements in circuits on flexible substrates
12/28/1999US6008765 Retractable top load antenna
12/23/1999WO1999066591A1 Helix antenna
12/22/1999CN1239596A Retractable multi-band antennas
12/22/1999CN1239595A Multi-band non-uniform helical antennas
12/21/1999US6005521 Composite antenna
12/16/1999WO1999065106A1 Slidable connection for a retractable antenna to a mobile radio
12/15/1999EP0964474A2 Antenna device
12/14/1999US6002377 Quadrifilar helix antenna
12/14/1999US6002359 Antenna system for satellite digital audio radio service (DARS) system
12/09/1999WO1999063626A2 Antenna connector for radio communication equipment
12/09/1999CA2298633A1 Antenna connector for radio communication equipment
12/08/1999EP0962032A1 Antenna device for automotive vehicle
12/07/1999US5999146 Antenna device
12/01/1999CN1237009A Loop antenna and antenna holder therefor
12/01/1999CN1047028C Antenna device and portable radio device
11/1999
11/25/1999WO1999060665A1 Antenna device comprising capacitively coupled radiating elements and a hand-held radio communication device for such antenna device
11/25/1999WO1999060664A1 An antenna system and a radio communication device including an antenna system
11/25/1999WO1999060663A1 Antenna device comprising feeding means and a hand-held radio communication device for such antenna device
11/23/1999US5990849 Compact spiral antenna
11/23/1999US5990848 Combined structure of a helical antenna and a dielectric plate
11/23/1999US5990847 Coupled multi-segment helical antenna
11/23/1999US5990841 Wide-band antenna and tuning method
11/17/1999EP0957533A1 Combination antenna device
11/17/1999CN1046597C Planar antenna with helical antenna array and waveguide
11/16/1999US5986621 Stub loaded helix antenna
11/16/1999US5986620 Dual-band coupled segment helical antenna
11/16/1999US5986619 Multi-band concentric helical antenna
11/16/1999US5986616 Antenna system for circularly polarized radio waves including antenna means and interface network
11/10/1999EP0955689A1 Plane antenna, and portable radio using same
11/09/1999US5982330 Antenna apparatus
11/04/1999WO1999056343A1 Antenna device for mobile radio communication
11/02/1999US5977932 Self-deploying helical structure
11/02/1999US5977931 Low visibility radio antenna with dual polarization
10/1999
10/27/1999CN1233084A Multi-filar helical antenna and portable radio
10/26/1999US5973650 Antenna apparatus
10/21/1999WO1999053567A1 Three dimensional micromachined electromagnetic device and associated methods
10/21/1999CA2328708A1 Three dimensional micromachined electromagnetic device and associated methods
10/20/1999EP0950269A1 Dual band antenna
10/19/1999US5969687 Double-delta turnstile antenna
10/19/1999US5969683 Radiotelephones with antenna matching switching system configurations
10/14/1999WO1999052179A1 Contrawound helical antenna
10/14/1999WO1999052178A1 Compact spiral antenna
10/13/1999EP0677210B1 Transmit and receive antenna having angled crossover elements
10/13/1999CN1231774A Bent-segment helical antenna
10/13/1999CN1231773A Dual-band coupled segment helical antenna
10/12/1999US5966100 Quadruple-delta antenna structure
10/06/1999EP0947032A2 Retractable radiotelephone antennas and associated radiotelephone communication methods
10/05/1999US5963871 Retractable multi-band antennas
10/05/1999US5963180 Antenna system for radio signals in at least two spaced-apart frequency bands
10/05/1999US5963173 Antenna and transmitter arrangement for EAS system
09/1999
09/29/1999EP0944931A1 L-band quadrifilar helix antenna
09/29/1999EP0944930A1 Dual frequency band quadrifilar helix antenna systems and methods
09/23/1999WO1999048169A1 Antenna device and mobile communication unit
09/22/1999EP0944128A1 Antenna apparatus and portable radio device using the same
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