| Patents for H01Q 21 - Aerial arrays or systems (25,127) |
|---|
| 12/04/1985 | EP0163454A2 Microstrip antenna having unipole antenna |
| 12/03/1985 | US4556888 Polarization measurement system and method |
| 12/03/1985 | CA1197613A1 Antenna feeding with selectively controlled polarization |
| 12/03/1985 | CA1197561A1 Satellite broadcast signal receiving system |
| 11/26/1985 | US4555708 Dipole ring array antenna for circularly polarized pattern |
| 11/19/1985 | US4554552 Antenna feed system with closely coupled amplifier |
| 11/19/1985 | US4554550 Resonant waveguide aperture manifold |
| 11/13/1985 | EP0161044A1 Dual-frequency microwave antenna |
| 11/12/1985 | US4553146 Reduced side lobe antenna system |
| 10/23/1985 | EP0159301A1 Electrically controlled aerial array with reduced side lobes |
| 10/15/1985 | US4547779 Annular slot antenna |
| 10/08/1985 | US4546359 Antenna with a polarization rotator in waveguide feed |
| 10/08/1985 | US4546249 High speed optically controlled sampling system |
| 10/02/1985 | EP0156684A1 Microwave radiating element and its use in an electronically scanned array |
| 10/01/1985 | US4544928 Multifrequency reflector antenna |
| 10/01/1985 | US4544900 Polarized signal receiver system |
| 09/24/1985 | US4543581 Antenna arrangement for personal radio transceivers |
| 09/24/1985 | US4543579 Circular polarization antenna |
| 09/24/1985 | CA1194219A1 Antenna element for circularly polarized high- frequency signals and planar antenna comprising an array of juxtaposed elements of this type |
| 09/18/1985 | EP0154858A2 Antenna |
| 09/17/1985 | CA1193715A1 Gamma feed microstrip antenna |
| 08/20/1985 | US4536767 Microwave directional antenna employing surface wave mode |
| 08/20/1985 | CA1192301A1 Flat very high frequency antenna comprising a network of elements emitting or receiving very high frequency signals with a levo-or dextrorotational polarization |
| 08/13/1985 | US4535337 Cross polarized wire grid antenna |
| 07/31/1985 | EP0149922A2 Antenna |
| 07/23/1985 | US4531131 Ridged waveguide antenna with concave-shaped sidewalls |
| 07/23/1985 | US4531130 Crossed tee-fed slot antenna |
| 07/16/1985 | US4529988 Travelling wave antenna with side lobe elimination |
| 07/16/1985 | CA1190639A1 Antenna for an omnidirectional range |
| 07/09/1985 | US4528568 Slotted dipole with three layer transmission line feed |
| 07/02/1985 | US4527165 Miniature horn antenna array for circular polarization |
| 07/02/1985 | US4527163 Omnidirectional, circularly polarized, cylindrical microstrip antenna |
| 06/25/1985 | US4525716 Technique for cancelling antenna sidelobes |
| 06/19/1985 | EP0144867A2 Phased-array antenna with electronic control |
| 05/29/1985 | EP0142555A1 Dual band phased array using wideband elements with diplexer. |
| 05/21/1985 | US4518969 Vertically polarized omnidirectional antenna |
| 05/21/1985 | US4518968 Dipole and ground plane antennas with improved terminations for coaxial feeders |
| 05/07/1985 | US4516132 Antenna with a reflector of open construction |
| 04/30/1985 | US4514734 Array antenna system with low coupling elements |
| 04/30/1985 | CA1186405A1 Radiating element or receiver for circularly polarized high-frequency signals and planar high- frequency antenna comprising a network of elements of these types |
| 04/23/1985 | US4513292 For operation over a range of frequencies |
| 04/23/1985 | US4513291 Waveguide having radiating slots and a wide frequency band |
| 04/23/1985 | CA1186049A1 Antenna having a closed standing wave path |
| 04/09/1985 | US4510501 Broadband loop antenna with low wind resistance |
| 04/09/1985 | CA1185364A2 Antenna system for different frequency bands |
| 04/03/1985 | EP0135742A1 Omnidirectional antenna |
| 04/02/1985 | US4509198 Satellite broadcast signal receiving system |
| 04/02/1985 | US4509039 Shielded, closely spaced transmit-receiver antennas for electronic article surveillance system |
| 03/26/1985 | US4507664 Dielectric image waveguide antenna array |
| 03/26/1985 | CA1184651A1 Antenna system for different frequency bands |
| 03/20/1985 | EP0134611A1 A flat microwave emitting or receiving antenna array, and microwave signal emitting or receiving system comprising a such flat antenna |
| 03/13/1985 | EP0134087A2 Shielded, closely spaced transmit-receiver antennas for electronic article surveillance system |
| 03/12/1985 | US4504836 Antenna feeding with selectively controlled polarization |
| 03/05/1985 | US4503436 In an electromagnetic communication system |
| 03/05/1985 | CA1183601A1 Stripline antennas |
| 03/05/1985 | CA1183600A1 Stripline antennas |
| 02/26/1985 | US4502053 Circularly polarized electromagnetic-wave radiator |
| 02/13/1985 | EP0132945A1 Antenna |
| 02/12/1985 | US4499474 Slot antenna with face mounted baffle |
| 02/05/1985 | US4498085 For operation over a range of frequencies |
| 01/29/1985 | US4496952 Trap vertical antenna with parallel L-C circuits for broadbanding |
| 01/29/1985 | CA1181822A1 Phased array element with polarization control |
| 01/15/1985 | US4494117 Dual sense, circularly polarized helical antenna |
| 01/01/1985 | US4491846 Arrangement for holding a plurality of vertically superimposed antennas for rotary adjustment |
| 12/25/1984 | US4490723 Parallel plate lens antenna |
| 12/18/1984 | USRE31772 Digital bearing indicator |
| 12/18/1984 | US4489325 Electronically scanned space fed antenna system and method of operation thereof |
| 12/06/1984 | WO1984004855A1 Dual band phased array using wideband elements with diplexer |
| 12/04/1984 | US4486758 Antenna element for circularly polarized high-frequency signals |
| 12/04/1984 | CA1179055A1 Electronically scanned antenna system having a linear array of endfire elements |
| 11/27/1984 | US4485385 Broadband diamond-shaped antenna |
| 11/07/1984 | EP0124047A2 Omnidirectional reception antenna |
| 10/31/1984 | EP0123350A1 Plane microwave antenna with a totally suspended microstrip array |
| 10/30/1984 | US4480255 Method for achieving high isolation between antenna arrays |
| 10/23/1984 | US4479130 Broadband antennae employing coaxial transmission line sections |
| 10/23/1984 | US4479127 Bi-loop antenna system |
| 10/16/1984 | US4477814 Dual mode radio frequency-infrared frequency system |
| 10/16/1984 | US4477813 Microstrip antenna system having nonconductively coupled feedline |
| 10/02/1984 | US4475107 Circularly polarized microstrip line antenna |
| 09/28/1984 | EP0104173A4 An electronically scanned antenna system having a linear array of yagi antennas. |
| 09/19/1984 | EP0118690A1 Annular slot antenna |
| 08/28/1984 | US4468674 Assymetrical folded half-dipole and linear extension antenna array |
| 08/28/1984 | US4468670 Antenna device for air traffic radar |
| 08/28/1984 | US4468667 Detection of an identification signal contained within a composite signal, without false signal recognition |
| 08/07/1984 | US4464663 Dual polarized, high efficiency microstrip antenna |
| 08/07/1984 | CA1172355A1 Antenna array |
| 07/24/1984 | US4462034 Antenna system with plural horn feeds |
| 07/17/1984 | US4460899 Shield for improving the decoupling of antennas |
| 07/17/1984 | US4460896 Antenna with tunable helical resonator |
| 07/17/1984 | US4460894 Laterally isolated microstrip antenna |
| 07/10/1984 | US4459596 Coaxial antenna configuration with high inter-element isolation |
| 07/10/1984 | US4459594 Stripline antennas |
| 07/10/1984 | US4459593 Stripline antennas |
| 07/03/1984 | US4458250 360-Degree scanning antenna with cylindrical array of slotted waveguides |
| 06/26/1984 | US4456913 Sub-array polarization control for a monopulse dome antenna |
| 06/12/1984 | US4454514 Strip antenna with polarization control |
| 06/12/1984 | CA1256517B Polarized signal receiver system |
| 06/12/1984 | CA1169130A1 Polarized signal receiver system |
| 05/29/1984 | US4451830 VHF Omni-range navigation system antenna |
| 05/29/1984 | US4451829 Circularly polarized antenna formed of a slotted cylindrical dipole |