| 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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| 07/12/1989 | EP0323664A2 Coplanar patch antenna |
| 07/11/1989 | US4847625 Wideband, aperture-coupled microstrip antenna |
| 07/05/1989 | EP0323011A2 Transponder antenna |
| 06/27/1989 | US4843400 Aperture coupled circular polarization antenna |
| 06/13/1989 | US4839661 Guided wave antenna system and method |
| 05/30/1989 | US4835542 Ultra-broadband linearly polarized biconical antenna |
| 05/30/1989 | US4835541 Near-isotropic low-profile microstrip radiator especially suited for use as a mobile vehicle antenna |
| 05/30/1989 | US4835540 Microstrip antenna |
| 05/30/1989 | US4835539 Broadbanded microstrip antenna having series-broadbanding capacitance integral with feedline connection |
| 05/30/1989 | US4835538 Three resonator parasitically coupled microstrip antenna array element |
| 05/24/1989 | DE3738707A1 Antenna arrangement |
| 05/24/1989 | CN2038281U Folding oscillator component part of compound structure type |
| 05/23/1989 | US4833483 Vertical antenna |
| 05/11/1989 | DE3840105A1 Short vertical antenna having a maximised radiating area |
| 05/09/1989 | US4829591 Portable radio |
| 05/09/1989 | US4829316 Small size antenna for broad-band ultra high frequency |
| 05/09/1989 | US4829311 High impedance, base loaded, whip antenna |
| 05/09/1989 | US4829310 Wireless communication system using current formed underground vertical plane polarized antennas |
| 05/09/1989 | US4829309 Planar antenna |
| 05/09/1989 | CA1253960A1 Miniature gain antenna |
| 05/02/1989 | US4827271 Dual frequency microstrip patch antenna with improved feed and increased bandwidth |
| 05/02/1989 | US4827266 Antenna with lumped reactive matching elements between radiator and groundplate |
| 04/25/1989 | US4825224 Broad band impedance matching system and method for low-profile antennas |
| 04/25/1989 | US4825220 Microstrip fed printed dipole with an integral balun |
| 04/20/1989 | DE3834075A1 Window antenna |
| 04/18/1989 | US4823145 To send and/or receive circuitry polarized waves |
| 04/11/1989 | US4821041 Patch antenna |
| 04/11/1989 | US4821040 Circular microstrip vehicular rf antenna |
| 04/04/1989 | CA1252193A1 Dual polarized sinuous antennas |
| 03/28/1989 | US4816839 Transponder antenna |
| 03/15/1989 | EP0204804B1 Omnidirectional antenna array |
| 03/14/1989 | US4813057 Time domain radio transmission system |
| 03/14/1989 | US4812855 Dipole antenna with parasitic elements |
| 03/14/1989 | US4812853 Thin metallic layer coated onto one side of strip dielectric; microwaves |
| 03/07/1989 | CA1250950A1 Telescopic antenna |
| 02/28/1989 | US4809010 Low profile wireless communication system and method |
| 02/28/1989 | US4809008 Broadband microstrip antenna |
| 02/21/1989 | US4806941 Microwave component |
| 02/16/1989 | DE3822664A1 Vehicle antenna in the form of a rod |
| 02/15/1989 | CN2032765U Ring-arm oscillator antenna |
| 02/14/1989 | US4804973 Heavy duty mounting base |
| 02/14/1989 | US4804965 Flat wide-band antenna |
| 02/07/1989 | US4803493 Mobile antenna circuit with variable line length |
| 02/07/1989 | US4803491 Antenna for wireless communication equipment |
| 01/26/1989 | WO1989000774A1 Transmitting and reception antenna |
| 01/24/1989 | US4800393 Microstrip fed printed dipole with an integral balun and 180 degree phase shift bit |
| 01/24/1989 | US4800392 Integral laminar antenna and radio housing |
| 01/12/1989 | DE3824972A1 Illumination of christmas trees, decorations and artwork |
| 01/10/1989 | US4797684 Waveguide-fed microwave system particularly for cavity-backed spiral antennas for the Ka band |
| 01/05/1989 | DE3705221A1 Arrangement for emitting very low frequency (VLF) waves |
| 12/28/1988 | CN88211608U Plate type tv antenna |
| 12/13/1988 | US4791423 Shorted microstrip antenna with multiple ground planes |
| 12/07/1988 | CN88203937U V type u/v all frequency channel tv aerial |
| 12/06/1988 | US4789869 Dipole antenna for monitoring electromagnetic waves over an extended frequency range |
| 11/22/1988 | US4786911 Radio frequency transmission |
| 11/17/1988 | WO1988009065A1 Broad frequency range aerial |
| 11/16/1988 | CN87212504U Spiral antenna with circular polarization |
| 11/15/1988 | US4785308 Antenna |
| 11/15/1988 | US4785303 Omnidirectional dipole loop antenna array |
| 11/08/1988 | US4783661 Dual-band circularly polarised antenna with hemispherical coverage |
| 11/03/1988 | WO1988008622A1 Single-turn loop resonator |
| 11/01/1988 | US4782345 Transponder antenna |
| 10/25/1988 | US4780724 Antenna with integral tuning element |
| 10/19/1988 | CN87215181U Sealed corrosion-proof outdoor receiving antenna |
| 10/12/1988 | EP0285743A2 Linear array of half wave dipoles with quarter wave dipoles at the ends |
| 10/11/1988 | US4777490 Monolithic antenna with integral pin diode tuning |
| 10/04/1988 | US4775866 Two-frequency slotted planar antenna |
| 09/22/1988 | WO1988007266A1 Capacitance loaded helical monopole antenna |
| 09/21/1988 | CN88100814A 天线 Antenna |
| 09/14/1988 | CN87217060U Indoor tv antenna with full frequency band |
| 09/14/1988 | CN87209289U Optimum very high frequency/ulter high frequency tv receiving antenna |
| 09/13/1988 | US4771291 Dual frequency microstrip antenna |
| 09/07/1988 | EP0280799A1 Antenna system for wide bandwidth signals |
| 08/30/1988 | CA1241437A1 Extendable directional dipole antenna |
| 08/24/1988 | EP0279050A1 Three resonator parasitically coupled microstrip antenna array element |
| 08/24/1988 | CN87212536U Fully-frequency channel tv indoor active antenna |
| 08/24/1988 | CN87212534U Indoor tv antenna |
| 08/24/1988 | CN87211386U Fully frequency channel planar tv receiving antenna |
| 08/23/1988 | US4766444 Conformal cavity-less interferometer array |
| 08/23/1988 | US4766440 Triple frequency U-slot microstrip antenna |
| 08/18/1988 | DE3703812A1 Antenna arrangement |
| 08/17/1988 | EP0278070A1 Circular microstrip vehicular rf antenna |
| 08/17/1988 | EP0278069A1 Near-isotropic low profile microstrip radiator especially suited for use as a mobile vehicle antenna |
| 08/16/1988 | US4764773 Mobile antenna and through-the-glass impedance matched feed system |
| 08/02/1988 | US4761654 Electromagnetically coupled microstrip antennas having feeding patches capacitively coupled to feedlines |
| 08/02/1988 | CA1240038A1 Dipole antenna system with overhead coverage having equidirectional-linear polarization |
| 08/02/1988 | CA1240036A1 Microstrip antenna having unipole antenna |
| 07/20/1988 | EP0274592A1 Flat antenna apparatus |
| 07/20/1988 | EP0274526A1 Transponder device. |
| 07/19/1988 | US4758166 Concealed radio antenna |
| 07/13/1988 | CN87207731U Filling plate-spring for telesopic antenna with collapsible wrinkly hanger |
| 07/12/1988 | US4757321 Antenna terminal board device for tuner |
| 07/12/1988 | US4757277 Compensating amplifier for automobile antenna |
| 07/05/1988 | US4755821 Planar antenna with patch radiators |
| 07/05/1988 | US4755820 Antenna device |
| 06/30/1988 | WO1988004836A1 Indoor antenna |
| 06/29/1988 | EP0272752A2 Patch antenna |
| 06/23/1988 | DE3642436A1 Tunable antenna |
| 06/22/1988 | EP0272145A2 Card-type radio receiver having slot antenna integrated with housing thereof |
| 06/22/1988 | EP0271685A1 Antenna made of two or more radiating rods one upon the other |