| Patents for H01Q 9 - Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements (23,053) |
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| 04/20/1999 | US5896109 Antenna for radio communication equipment having improved impedance adjustment |
| 04/20/1999 | US5896107 Dual polarized aperture coupled microstrip patch antenna system |
| 04/20/1999 | CA2186807C Surface mounting and communication apparatus using the same antenna |
| 04/20/1999 | CA2160284C High efficiency microstrip antennas |
| 04/15/1999 | CA2218269A1 Microstrip patch radiator with means for the suppression of cross-polarization |
| 04/14/1999 | EP0907984A1 Folded mono-bow antennas and antenna systems for use in cellular and other wireless communications systems |
| 04/14/1999 | CN1214152A Planar emitter |
| 04/13/1999 | US5894287 Polarization diversity device for reducing fading effect |
| 04/08/1999 | WO1999017403A1 Dual polarized microstrip patch antenna array for pcs base stations |
| 04/08/1999 | WO1999017397A1 An antenna unit with a multilayer structure |
| 04/06/1999 | US5892490 Meander line antenna |
| 04/06/1999 | US5892486 Broad band dipole element and array |
| 04/06/1999 | US5892484 E-field generator |
| 04/01/1999 | WO1999016148A1 Microwave flat antenna |
| 04/01/1999 | DE19843929A1 Flat antenna with coaxial feed |
| 03/31/1999 | EP0904611A1 Meander antenna device |
| 03/31/1999 | CN1212791A Combination satellite and VHF/UHF receiving antenna |
| 03/31/1999 | CN1212790A Folded bow-tie antenna |
| 03/31/1999 | CN1212789A Orthogonal switched antenna system |
| 03/31/1999 | CN1212482A High isolation dual polarized antenna system with microstrip-fed aperture coupled patches |
| 03/25/1999 | DE19742090A1 Microwave antenna having reduced susceptibility to mechanical defects |
| 03/24/1999 | EP0721678B1 Multipatch antenna |
| 03/24/1999 | EP0623219B1 Device for wireless transfer of information |
| 03/24/1999 | CN1211833A Antenna assembly |
| 03/23/1999 | US5886668 Hand-held transmitting and/or receiving apparatus |
| 03/23/1999 | US5886667 Integrated microstrip helmet antenna system |
| 03/23/1999 | US5886661 Submerged object detection and classification system |
| 03/23/1999 | CA2135810C Antenna apparatus |
| 03/18/1999 | WO1999013591A1 Receiver in an antenna base |
| 03/18/1999 | WO1999013531A1 Ultra-wideband magnetic antenna |
| 03/18/1999 | WO1999013530A1 Dual band, panel mount antenna |
| 03/18/1999 | WO1999013529A1 Quarter wave-quarter wave retractable antennas and associated telephones |
| 03/18/1999 | WO1999013526A1 Dual band, glass mount antenna and flexible housing therefor |
| 03/18/1999 | CA2303353A1 Ultra-wideband magnetic antenna |
| 03/16/1999 | US5883600 Tuneable antenna |
| 03/16/1999 | CA2176877C Common aperture isolated dual frequency band antenna |
| 03/11/1999 | WO1999012231A1 Apparatus and method for broadband matching of electrically small antennas |
| 03/11/1999 | DE19739395A1 Empfänger in einem Antennenfuß Receiver antenna in a |
| 03/10/1999 | EP0901185A1 Dual polarisation patch antenna |
| 03/10/1999 | EP0900457A1 Planar antenna device |
| 03/10/1999 | EP0900455A1 Antenna device |
| 03/10/1999 | EP0795210B1 Receiver module for receiving extremely high frequency electromagnetic directional radiation fields |
| 03/09/1999 | US5880698 Arrangement for generating and transmitting microwaves, in particular for a filling level measuring device |
| 03/09/1999 | US5880695 Antenna system for wireless comunication systems |
| 03/09/1999 | US5880694 Planar low profile, wideband, wide-scan phased array antenna using a stacked-disc radiator |
| 03/04/1999 | DE19840242A1 Double polarized antenna system for base station of wireless telecommunication system |
| 03/04/1999 | DE19737544A1 Transceiver arrangement for electromagnetic waves |
| 03/03/1999 | EP0899814A1 Radiating structure |
| 03/03/1999 | CN1209662A Synthetic anttena for radio handheld telephone set |
| 02/25/1999 | WO1999009610A1 Antenna unit and signal switching circuit |
| 02/23/1999 | US5874920 Portable radio equipment, and built-in antenna mounting structure and shielding structure for the portable radio equipment |
| 02/23/1999 | US5874919 Stub-tuned, proximity-fed, stacked patch antenna |
| 02/18/1999 | WO1999008337A1 Antenna and method using tuning stub |
| 02/18/1999 | DE19729664A1 Planar broadband radio signal antenna |
| 02/17/1999 | EP0897200A1 Half-loop antenna for high frequencies |
| 02/17/1999 | EP0896748A1 Dual band antenna |
| 02/17/1999 | EP0896746A1 An antenna device having a matching means |
| 02/17/1999 | CN1208505A Dual polarized array antenna with central polarization control |
| 02/17/1999 | CN1208261A Antenna circuit having matching circuit and method for implementing the same |
| 02/16/1999 | US5872547 Conical omni-directional coverage multibeam antenna with parasitic elements |
| 02/16/1999 | US5872546 Broadband antenna using a semicircular radiator |
| 02/16/1999 | US5872543 Smithdom multiband antenna |
| 02/16/1999 | US5872542 Optically transparent microstrip patch and slot antennas |
| 02/10/1999 | EP0896385A1 Composite antenna |
| 02/09/1999 | US5870065 Chip antenna having dielectric and magnetic material portions |
| 02/09/1999 | US5870058 Receiver module for receiving extremely high frequency electromagnetic directional radiation fields |
| 02/09/1999 | US5870057 Small antennas such as microstrip patch antennas |
| 02/03/1999 | EP0895303A1 Directional antenna system with crossed polarisation |
| 02/03/1999 | EP0895300A2 Antenna coupler for testing of mobile telephones |
| 02/03/1999 | EP0894370A1 Dividable transmit antenna array for a cellular base station and associated method |
| 02/03/1999 | CN1207004A Radio telephone with differential driving various antenna structure and driving method |
| 02/02/1999 | US5867131 Antenna for a mobile computer |
| 02/02/1999 | US5867130 Directional center-fed wave dipole antenna |
| 02/02/1999 | US5867127 Wireless communication device with antenna-activated switch |
| 02/02/1999 | US5867126 Surface-mount-type antenna and communication equipment using same |
| 02/02/1999 | US5865390 Variable-length antenna element |
| 01/29/1999 | CA2237648A1 Dual polarisation patch antenna |
| 01/28/1999 | WO1999004452A1 Dual band antenna |
| 01/27/1999 | EP0893842A2 Laminated aperture antenna and multilayered wiring board comprising the same |
| 01/27/1999 | EP0893841A1 Helical coil, method of producing same and helical antenna using same |
| 01/27/1999 | EP0892995A1 Microstrip wide band antenna and radome |
| 01/27/1999 | CN1206508A Composite antenna |
| 01/27/1999 | CN1206230A Wide bandwidth antenna arrays |
| 01/26/1999 | US5864318 Composite antenna for cellular and gps communications |
| 01/26/1999 | CA2160286C Small antennas such as microstrip patch antennas |
| 01/26/1999 | CA2147007C An antenna device for portable equipment |
| 01/21/1999 | WO1999003169A1 A retractable antenna |
| 01/20/1999 | EP0892461A1 An antenna assembly |
| 01/20/1999 | EP0892459A1 Double resonance antenna structure for several frequency ranges |
| 01/20/1999 | EP0892458A2 Tv antenna apparatus for vehicles |
| 01/20/1999 | EP0892457A1 Antenna assembly comprising whip antenna and helical antenna contained in antenna top rotatably mounted on top end of the whip antenna |
| 01/20/1999 | EP0891658A1 Method and apparatus for polarization diversity in a base station using a plurality of reception antennas |
| 01/19/1999 | US5861859 Antenna assembly and portable radio apparatus |
| 01/19/1999 | US5861858 Antenna feed and support system |
| 01/19/1999 | US5861854 Surface-mount antenna and a communication apparatus using the same |
| 01/19/1999 | US5861848 Circularly polarized wave patch antenna with wide shortcircuit portion |
| 01/19/1999 | US5861019 Implantable medical device microstrip telemetry antenna |
| 01/14/1999 | WO1999002002A1 Plug-in telecommunication card |
| 01/13/1999 | EP0836732B1 Consumption measurement system for remote reading |
| 01/13/1999 | CN1204874A Wide band printed phased array antenna for microwave and mm-wave applications |