| Patents for H01Q 13 - Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave (15,760) |
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| 03/15/1983 | US4376937 Antenna for primary and secondary radars |
| 03/09/1983 | EP0073511A2 Satellite broadcasting receiver |
| 03/08/1983 | CA1142610A1 Microwave polarizer |
| 02/16/1983 | EP0072312A2 Flat, low profile circular array antenna |
| 02/15/1983 | CA1141461A1 Corrugated antenna feedhorn with elliptical aperture |
| 02/09/1983 | EP0071069A2 Circularly polarised microwave antenna |
| 02/01/1983 | US4371877 Thin-structure aerial |
| 01/26/1983 | EP0070462A2 Antenna for a omnidirection radio beacon |
| 01/25/1983 | US4370659 Antenna |
| 01/18/1983 | US4369447 Annular slot antenna |
| 01/05/1983 | EP0068940A1 Frequency reuse primary active antenna |
| 01/04/1983 | US4367475 Linearly polarized r.f. radiating slot |
| 12/28/1982 | US4366457 Radiating coaxial cable having apertures spaced at a distance considerably larger than a wavelength |
| 12/22/1982 | EP0067753A1 Microwave antenna with open cavities fed by two orthogonal dipoles |
| 12/22/1982 | EP0067573A1 Improvements in or relating to antenna arrays |
| 12/21/1982 | US4365253 Antenna feeder system for a tracking antenna |
| 12/21/1982 | CA1138062A1 High frequency electric cables |
| 12/14/1982 | US4364050 Microstrip antenna |
| 12/09/1982 | WO1982004357A1 Reflector-type microwave antennas with absorber lined conical feed |
| 12/08/1982 | EP0066455A1 Reflector-type microwave antennas with absorber lined conical feed |
| 12/07/1982 | CA1137219A1 Hybrid mode waveguide or feedhorn antennas |
| 12/07/1982 | CA1137218A1 Hybrid mode waveguide and feedhorn antennas |
| 11/23/1982 | US4360813 Power combining antenna structure |
| 11/10/1982 | EP0064313A1 Circularly polarised microwave radiating element and flat microwave antenna using an array of such elements |
| 11/09/1982 | US4358770 Multiple frequency antenna feed system |
| 11/09/1982 | CA1135385A1 Digital bearing indicator |
| 11/02/1982 | US4357612 Multimode ultrahigh-frequency source and antenna |
| 10/26/1982 | US4356495 Corrugated antenna feedhorn with elliptical aperture |
| 10/26/1982 | US4356493 Disc-on-rod end-fire microwave antenna |
| 10/26/1982 | CA1134502A1 Stripline antenna capable of producing radiation of a predetermined polarisation direction |
| 10/06/1982 | EP0061831A1 Improvements in or relating to stripline antennas |
| 10/05/1982 | US4353074 Radio frequency ridged waveguide antenna |
| 10/05/1982 | US4353072 Circularly polarized radio frequency antenna |
| 10/05/1982 | CA1133120A1 Stripline antennae with phase-shifting slotted strip |
| 10/05/1982 | CA1133119A1 Nondissipative load termination for traveling wave array antenna |
| 09/29/1982 | EP0060922A1 Wide band corrugated horn |
| 09/22/1982 | EP0060623A1 Stripline antenna |
| 09/15/1982 | EP0059927A1 Microwave receiving arrangement |
| 09/14/1982 | US4349826 Simple horizontally polarized omnidirectional antenna |
| 09/07/1982 | US4348680 Microwave antenna with sinuous waveguide feed |
| 08/31/1982 | US4347516 Rectangular beam shaping antenna employing microstrip radiators |
| 08/10/1982 | US4344052 Distributed array of Josephson devices with coherence |
| 08/04/1982 | EP0057121A2 High-frequency dual-band feeder and antenna incorporating the same |
| 07/13/1982 | US4339733 Radiating cable |
| 07/06/1982 | US4338609 Short horn radiator assembly |
| 07/06/1982 | CA1127293A1 Microwave transmitter/receiver unit |
| 06/15/1982 | US4335385 Stripline antennas |
| 06/08/1982 | US4334229 Leaky waveguide continuous slot antenna |
| 06/08/1982 | CA1125396A1 Microwave terminating structure |
| 05/18/1982 | US4330784 Variable waveguide continuous slot antenna |
| 05/04/1982 | US4328502 Continuous slot antennas |
| 05/04/1982 | US4328500 Integrated antenna array for radar equipment enabling the simultaneous generation of two or more different radiation patterns |
| 04/13/1982 | US4325039 Leaky coaxial cable wherein aperture spacings decrease along the length of the cable |
| 04/07/1982 | EP0048817A1 Rod-excited waveguide slot antenna |
| 04/07/1982 | EP0048813A2 Distributed array of coherently operating Josephson devices |
| 03/31/1982 | EP0048639A1 Light antenna, especially for a radar, manufacturing process therefor and equipment using it |
| 03/30/1982 | US4322699 Radiating cable |
| 03/02/1982 | US4318107 Printed monopulse primary source for airport radar antenna and antenna comprising such a source |
| 03/02/1982 | US4318103 Compact radar detector and range extender |
| 03/02/1982 | CA1119292A1 Parabolic reflector antenna with optimal radiative characteristics |
| 03/02/1982 | CA1119290A1 Spherical antennas having isotropic radiation patterns |
| 02/09/1982 | US4315266 Spiral slotted phased antenna array |
| 01/27/1982 | EP0044779A1 Folded dipoles in tri-plate technology for very high frequencies, and arrays comprising the same |
| 01/26/1982 | US4313122 Open cavity radiating source excited by a dipole |
| 01/26/1982 | US4313120 Non-dissipative load termination for travelling wave array antenna |
| 12/09/1981 | EP0041077A2 Antenna-feeding system for a tracking antenna |
| 12/08/1981 | US4305078 Multifrequency series-fed edge slot antenna |
| 12/01/1981 | US4303923 Probe loop feed for transverse edge waveguide slot radiator |
| 11/17/1981 | US4301456 Electromagnetic wave attenuating surface |
| 11/17/1981 | US4300338 Method of producing coaxial cable |
| 11/03/1981 | US4298878 Radiating source formed by a dipole excited by a waveguide and an electronically scanning antenna comprising such sources |
| 10/27/1981 | US4297710 Parallel-plane antenna with rotation of polarization |
| 10/27/1981 | US4297706 Circularly polarized slotted pylon antenna |
| 10/20/1981 | US4296416 Dual mode log periodic monopole array |
| 10/13/1981 | US4295142 Corrugated horn radiator |
| 10/13/1981 | US4295141 Disc-on-rod end-fire microwave antenna |
| 10/06/1981 | US4293858 Polarization agile meander line array |
| 09/16/1981 | EP0035929A1 High frequency multimode feed, and antenna comprising such a feed |
| 09/15/1981 | US4290068 Microwave television system |
| 09/08/1981 | CA1108753A1 Apparatus and method for improving r.f. isolation between adjacent antennas |
| 09/02/1981 | EP0034810A1 Directional microwave antenna to realize a sector-shaped lobe |
| 09/01/1981 | US4287518 Cavity-backed, micro-strip dipole antenna array |
| 08/25/1981 | US4286271 Log-periodic monopole antenna |
| 08/18/1981 | US4284991 Common antenna for primary and secondary radar system |
| 07/21/1981 | US4280225 Communication systems for transportation undertakings |
| 07/21/1981 | CA1105614A1 Stacked antenna structure for radiation of orthogonally polarized signals |
| 07/07/1981 | CA1104676A1 Leaky coaxial cable and shield tape for use in making same |
| 06/16/1981 | US4274097 Embedded dielectric rod antenna |
| 05/13/1981 | EP0028500A1 High-frequency electric cables and method of making them |
| 04/21/1981 | US4263599 Parabolic reflector antenna for telecommunication system |
| 04/15/1981 | EP0027067A1 Planar bifilar antenna with transversal radiation and its use in radar aerials |
| 04/07/1981 | US4260988 Stripline antenna for microwaves |
| 04/07/1981 | CA1099014A1 Microwave antenna |
| 03/25/1981 | EP0025739A1 Primary and secondary radar aerial |
| 03/24/1981 | US4258366 Multifrequency broadband polarized horn antenna |
| 03/17/1981 | CA1097746A1 Single-sided microwave applicator for sealing cartons |
| 03/11/1981 | EP0024685A1 Hybrid mode waveguiding member and hybrid mode feedhorn antenna |
| 03/10/1981 | US4255753 Antenna construction for reducing side lobes of the radiation pattern |
| 02/18/1981 | EP0023933A1 Antenna system for transmitting circularly or linearly polarized microwaves |
| 02/17/1981 | US4251817 Microwave integrated circuit device for transmission/reception of a signal |