| 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) |
|---|
| 07/18/1990 | EP0377999A1 Microstrip antenna-arrays |
| 07/10/1990 | US4940992 Balanced low profile hybrid antenna |
| 07/10/1990 | US4940991 Discontinuous mobile antenna |
| 07/10/1990 | US4940989 Apparatus and method for matching radiator and feedline impedances and for isolating the radiator from the feedline |
| 07/04/1990 | EP0376701A2 Flat-plate patch antenna |
| 07/04/1990 | EP0376643A2 Flat-plate antenna for use in mobile communications |
| 07/04/1990 | EP0376074A2 Dual polarization microstrip array antenna |
| 07/03/1990 | US4939525 Tunable short monopole top-loaded antenna |
| 06/27/1990 | EP0375416A2 Plane slot antenna |
| 06/27/1990 | EP0375415A2 Plane slot antennas and their use in motor vehicles |
| 06/26/1990 | US4937588 Array of collinear dipoles |
| 06/19/1990 | US4935746 Efficiency monitoring antenna |
| 06/19/1990 | US4935745 Card-type radio receiver having slot antenna integrated with housing thereof |
| 06/14/1990 | WO1990006599A1 The gap radiated antenna |
| 06/13/1990 | EP0372451A1 Multifrequency radiating device |
| 06/05/1990 | US4931807 Non-stationary antenna with sleeve and resonant circuit |
| 06/05/1990 | US4931799 Short-range radar transceiver employing a FET oscillator |
| 05/29/1990 | US4929959 Dual-polarized printed circuit antenna having its elements capacitively coupled to feedlines |
| 05/17/1990 | WO1990005390A1 Improved extendable antenna for portable cellular telephones |
| 05/15/1990 | US4926189 High-gain single- and dual-polarized antennas employing gridded printed-circuit elements |
| 05/14/1990 | EP0274526A4 Transponder device. |
| 05/09/1990 | EP0367656A1 System for the integration of IFF sum and difference channels in an antenna of a surveillance radar |
| 05/09/1990 | EP0367609A2 Improved extendable antenna for portable cellular telephones |
| 05/08/1990 | US4924237 Antenna and its electronic circuit combination |
| 05/08/1990 | US4924236 Patch radiator element with microstrip balian circuit providing double-tuned impedance matching |
| 05/08/1990 | CA1268855A1 Multiband antenna |
| 05/02/1990 | EP0366393A2 Antenna for radio telephone |
| 05/01/1990 | US4922263 Plate antenna with double crossed polarizations |
| 05/01/1990 | US4922259 Microstrip patch antenna with omni-directional radiation pattern |
| 04/17/1990 | US4918749 Receiving configuration for microwave signals |
| 04/04/1990 | EP0362079A2 Microstrip antenna |
| 04/04/1990 | CN1007481B Super wide-band truck-mounted aerial |
| 04/03/1990 | US4914445 Microstrip antennas and multiple radiator array antennas |
| 03/27/1990 | US4912482 Antenna |
| 03/06/1990 | US4907006 Wide band antenna for mobile communications |
| 02/27/1990 | US4905013 Fin-line horn antenna |
| 02/27/1990 | US4905011 Concentric ring antenna |
| 02/22/1990 | WO1990001814A1 Active antenna |
| 02/20/1990 | US4903333 Apparatus for automatically adjusting length of antenna of radio receiver |
| 02/20/1990 | US4903326 Detachable battery pack with a built-in broadband antenna |
| 02/20/1990 | US4903033 Planar dual polarization antenna |
| 02/01/1990 | DE3826077A1 Medium-wave transmitting antenna |
| 02/01/1990 | DE3825650A1 Medium-wave transmitting antenna |
| 01/23/1990 | US4896162 Antenna for receiving an electromagnetic signal |
| 01/10/1990 | EP0350364A1 Wideband receiving antenna |
| 01/10/1990 | CN2051016U Wall-hanging type indoor tv antenna |
| 01/09/1990 | US4893131 Mobile or ground mounted arcuate antenna |
| 01/09/1990 | CA1264373A1 Flat wide - band antenna |
| 01/04/1990 | DE3822081A1 Receiving antenna for ultrashort waves |
| 12/28/1989 | DE3821529A1 Medium-waveband transmitting antenna |
| 12/27/1989 | EP0348054A2 Mobile communications antenna |
| 12/26/1989 | US4890116 Low profile, broad band monopole antenna |
| 12/26/1989 | US4890111 Passive transponder |
| 12/14/1989 | WO1989012332A1 Broad band impedance matching system and method for low-profile antennas |
| 12/12/1989 | US4887090 Vehicle antenna with shiftable gain patterns |
| 12/06/1989 | EP0344885A2 Beam powered antenna |
| 12/06/1989 | CN2049022U Supershortwave antenna with wide band for airplane |
| 12/05/1989 | CA1263745A1 Shorted microstrip antenna |
| 11/29/1989 | CN1037619A Ultra-broad-band vehicle carried antenna |
| 11/21/1989 | US4882591 Base loaded antenna |
| 11/21/1989 | CA1263181A1 Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines |
| 11/16/1989 | DE3815709A1 Im zeitbereich arbeitendes radarsystem In the time-domain working radar system |
| 11/15/1989 | EP0342175A2 Dual-polarized printed circuit antenna having its elements, including gridded printed circuit elements, capacitively coupled to feedlines |
| 11/08/1989 | CN1037054A Balanced low profile hybrid antenna |
| 11/02/1989 | WO1989010659A1 Detachable battery pack with a built-in broadband antenna |
| 11/02/1989 | WO1989010637A1 Internally mounted broadband antenna |
| 11/02/1989 | EP0339629A2 Internally mounted broadband antenna |
| 11/02/1989 | EP0339628A2 Detachable battery pack with a built-in broadband antenna |
| 10/31/1989 | CA1262562A1 Portable radio |
| 10/24/1989 | US4876552 Internally mounted broadband antenna |
| 10/19/1989 | WO1989010012A1 Balanced low profile hybrid antenna |
| 10/18/1989 | EP0337841A1 Broadband transmitting antenna loop with asymmetric feed and array of a plurality of these loops |
| 10/18/1989 | EP0337656A2 High efficiency antenna |
| 10/18/1989 | CN2046279U All frequency band (u/v) tv antenna |
| 10/10/1989 | US4873529 Coplanar patch antenna |
| 10/03/1989 | US4872021 Collinear dipole array with inductive and capacitive phasing |
| 09/26/1989 | CA1261060A1 Planar antenna with patch radiators |
| 09/26/1989 | CA1260608A1 Mobile antenna feed system |
| 09/21/1989 | WO1989008932A1 A solid dielectric lens aerial |
| 09/19/1989 | US4868576 Extendable antenna for portable cellular telephones with ground radiator |
| 09/13/1989 | EP0332139A2 Wide band antenna for mobile communications |
| 09/12/1989 | US4866451 Broadband circular polarization arrangement for microstrip array antenna |
| 09/06/1989 | EP0331486A2 Aerials |
| 09/06/1989 | EP0186693B1 Telescopic antenna |
| 09/05/1989 | US4864318 Antenna device for a system including cordless apparatuses a cable with built in antenna having continuously repeated pattern conductors |
| 08/22/1989 | US4860020 Compact, wideband antenna system |
| 08/22/1989 | US4860019 Planar TV receiving antenna with broad band |
| 08/16/1989 | EP0327965A2 Multi-frequency antenna for satellite communications |
| 08/15/1989 | US4857939 Mobile communications antenna |
| 08/15/1989 | US4857893 Single chip transponder device |
| 08/10/1989 | WO1989007348A1 Radio antennas |
| 08/08/1989 | US4855750 Dipole exciter for an antenna |
| 08/08/1989 | US4855749 Opto-electronic vivaldi transceiver |
| 08/02/1989 | EP0325702A1 Microstrip antenna |
| 08/01/1989 | US4853705 Beam powered antenna |
| 08/01/1989 | US4853703 Microstrip antenna with stripline and amplifier |
| 07/25/1989 | US4851859 Tunable discone antenna |
| 07/25/1989 | US4851855 Planar antenna |
| 07/18/1989 | US4849767 Helical antenna for small portable wireless devices |
| 07/12/1989 | EP0323726A2 Multi-frequency antenna |