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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07/15/1993 | DE4200755A1 Centrally fed, two-reflector, microwave directional antenna - has coaxial, primary horn radiator with toroidal annular aperture with parallel polarised field |
07/13/1993 | US5227808 Wide-band L-band corporate fed antenna for space based radars |
07/13/1993 | US5227800 Contraband detection system |
07/13/1993 | US5227749 Structure for making microwave circuits and components |
07/08/1993 | WO1993013570A1 Widebeam antenna |
07/07/1993 | EP0271504B1 Horn antenna array phase matched over large bandwidths |
07/06/1993 | CA1319976C Slotted waveguide antenna |
07/01/1993 | DE4244136A1 Integrated laminated microwave circuit for motor vehicle communication system - has antenna circuit on one side of substrate with transmit and receive circuit on other side |
06/23/1993 | EP0547800A1 Monopulse tracking apparatus |
06/23/1993 | EP0547574A1 Radiating high-frequency cable |
06/16/1993 | EP0546601A1 Planar antenna |
06/16/1993 | CN1073303A Dielectric material for antennas |
06/15/1993 | US5220337 Notched nested cup multi-frequency band antenna |
06/15/1993 | US5220330 Broadband conformal inclined slotline antenna array |
06/10/1993 | WO1993011582A1 Compact broadband microstrip antenna |
06/09/1993 | EP0545742A1 Method and device for the rejection of harmonics emitted by an active antenna having electronic scanning |
06/08/1993 | US5218373 Hermetically sealed waffle-wall configured assembly including sidewall and cover radiating elements and a base-sealed waveguide window |
06/08/1993 | US5218368 Array antenna with radiation elements and amplifiers mounted on same insulating film |
06/02/1993 | EP0544378A1 Phased array antenna module |
06/02/1993 | CN1072799A Simple method for changing resonance frequency and input standing-wave ratio of micro-strip antenna |
06/01/1993 | US5216433 Polarimetric antenna |
06/01/1993 | US5216432 Dual mode/dual band feed structure |
05/28/1993 | CA2083539A1 Phased array antenna module |
05/27/1993 | DE4139245A1 Small flat microwave slot aerial - has sec. transmitter structure of alternate dielectric and conductive layers |
05/26/1993 | CN2134721Y Wide fb and fs compound feed current means |
05/25/1993 | US5214394 High efficiency bi-directional spatial power combiner amplifier |
05/19/1993 | EP0542595A1 Microstrip antenna device especially for satellite telephone transmissions |
05/19/1993 | EP0542447A1 Flat plate antenna |
05/13/1993 | WO1993009576A1 Antenna device for radio apparatus |
05/12/1993 | EP0541276A1 Broadband conformal inclined slotline antenna array |
05/11/1993 | US5210542 Microstrip patch antenna structure |
05/11/1993 | US5210541 Microstrip patch antenna arrays |
04/28/1993 | CN2131211Y Waveguide coaxial feed apparatus |
04/27/1993 | US5206655 High-yield active printed-circuit antenna system for frequency-hopping space radar |
04/21/1993 | EP0537548A1 Microstrip antenna structure suitable for use in mobile radio communications and method for making same |
04/14/1993 | EP0536522A2 Continuous traverse stub element devices and method for making same |
04/14/1993 | CN1020318C Short horn antenna which back radiates transverse electromagnetic wave |
04/13/1993 | US5202698 Directional radiocommunication array |
04/13/1993 | US5202697 Low-profile steerable cardioid antenna |
04/07/1993 | EP0535780A1 A compact, flexible, and integrated millimeter wave radar sensor |
04/06/1993 | US5200757 Microwave antennas having both wide elevation beamwidth and a wide azimuth beamwidth over a wide frequency bandwidth |
03/31/1993 | EP0534796A1 Broadband microstrip to slotline transition |
03/31/1993 | EP0533810A1 Microwave antennas. |
03/30/1993 | CA1315396C Internally mounted broadband antenna |
03/23/1993 | CA1314972C Surface of revolution type reflector antenna |
03/17/1993 | EP0531800A1 Asymmetrically flared notch radiator |
03/16/1993 | US5194876 Dual polarization slotted antenna |
03/16/1993 | US5194875 For high frequency signals |
03/10/1993 | EP0531164A1 Portable radio communication apparatus |
03/02/1993 | USH1151 Folded cavity antenna |
02/27/1993 | CA2076700A1 Asymmetrically flared notch radiator |
02/24/1993 | EP0476131A4 Electromagnetic antenna collimator |
02/23/1993 | US5189432 Radiating antenna cable apparatus |
02/18/1993 | WO1993003507A1 Vehicle antenna |
02/18/1993 | WO1993003387A1 Broadband antennas and electromagnetic field simulators |
02/17/1993 | EP0527714A1 Cavity Antenna |
02/17/1993 | EP0527569A1 Microwave antenna |
02/17/1993 | EP0527417A1 Miniaturized radio frequency antenna element |
02/17/1993 | EP0527178A1 A flat plate antenna |
02/16/1993 | US5187489 Asymmetrically flared notch radiator |
02/11/1993 | DE4125898A1 Fahrzeugantenne Vehicle Antenna |
02/10/1993 | EP0526643A1 Antenna device |
02/10/1993 | EP0526457A1 Antenna |
02/09/1993 | US5185611 Compact antenna array for diversity applications |
02/09/1993 | US5185586 Method and apparatus for digital synthesis of microwaves |
02/08/1993 | CA2075451A1 Miniature basic radio-antenna |
02/03/1993 | CN1068510A Spring bag type microwave heater for heat therapy |
02/02/1993 | US5184137 All weather tactical strike system (AWTSS) and method of operation |
02/02/1993 | CA1313408C Wide band antenna for mobile communications |
01/21/1993 | WO1993001571A1 Antipilferage markers |
01/20/1993 | EP0523802A1 Feedhorn |
01/19/1993 | CA1312946C Tunnel distributed cable antenna system with signal taps coupling approximately same radiated energy |
01/07/1993 | WO1993000721A1 Planar zig-zag antenna |
01/07/1993 | EP0521384A1 Multiple-frequency stacked microstrip antenna |
01/07/1993 | EP0521377A2 Microstrip patch antenna structure |
01/05/1993 | US5177496 Flat slot array antenna for te mode wave |
01/05/1993 | US5177494 Vehicular slot antenna system |
01/04/1993 | CA2071325A1 Microstrip patch antenna structure |
01/02/1993 | CA2072502A1 Multiple-frequency stacked microstrip antenna |
12/30/1992 | EP0520908A1 Linear antenna array |
12/29/1992 | WO1993000723A1 Linear array antenna |
12/29/1992 | US5175561 Single-layered radial line slot antenna |
12/29/1992 | US5175560 Notch radiator elements |
12/29/1992 | US5175555 Combined radar altimeter, radiometer sensor employing multiport feed horn having blended sidewall geometry |
12/29/1992 | CA2090323A1 Linear array antenna |
12/29/1992 | CA1312138C Multimode-dielectric-loaded multi-flare antenna |
12/22/1992 | US5173714 Slot array antenna |
12/16/1992 | EP0518663A2 Primary horn for parabolic-reflector antenna |
12/16/1992 | EP0518615A2 Wave guide to microstrip line mode transition apparatus |
12/16/1992 | EP0518271A1 Elemental microwave antenna with two polarisations |
12/15/1992 | US5172127 Waveguide antenna having a plurality of broad-side slots provided with a spatial filter |
12/11/1992 | CA2070705A1 Dual polarization elementary microwave antenna |
12/09/1992 | EP0516661A1 Open transmission line locating system. |
12/08/1992 | US5170174 Patch-excited non-inclined radiating slot waveguide |
12/02/1992 | EP0516525A1 Slot antenna having two nonparallel elements |
11/25/1992 | EP0515192A1 Notched nested cup multi-frequency band antenna |
11/24/1992 | US5166698 Electromagnetic antenna collimator |
11/10/1992 | US5162808 Antenna feed with selectable relative polarization |
11/10/1992 | US5162803 Beamforming structure for modular phased array antennas |
11/03/1992 | US5160936 Multiband shared aperture array antenna system |