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