Patents
Patents for H01Q 19 - Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic (10,176)
12/1984
12/18/1984CA1179753A1 Microwave receiver for circularly polarized signals
12/11/1984US4488157 Slot array antenna assembly
12/11/1984US4488156 Geodesic dome-lens antenna
12/05/1984EP0126993A2 Waveguide structure for end-fire arrays
11/1984
11/27/1984US4485385 Broadband diamond-shaped antenna
11/20/1984US4484197 Multibeam antenna arrangement with minimal astignatism and coma
11/20/1984US4484196 Antenna drive arrangement for very high frequency omidirectional range navigation system
11/13/1984US4482899 Wide bandwidth hybrid mode feeds
11/13/1984US4482898 Antenna feed arrangement for correcting for astigmatism
11/13/1984US4482897 Multibeam segmented reflector antennas
11/08/1984WO1984004427A1 Two element low profile antenna
11/07/1984EP0123870A1 Doppler radar velocity measurement apparatus
10/1984
10/25/1984WO1984004209A1 Antenna structure
10/23/1984US4479130 Broadband antennae employing coaxial transmission line sections
10/23/1984US4479129 Directive antenna system employing a paraboloidal main dish and ellipsoidal subdish
10/16/1984US4477816 Corrugated antenna feed horn with means for radiation pattern control
10/16/1984CA1176368A1 Two-band microwave source and an antenna equipped with said source
09/1984
09/28/1984EP0104173A4 An electronically scanned antenna system having a linear array of yagi antennas.
09/18/1984CA1174760A1 Multimode ultrahigh-frequency source comprising a profiled obstacle
09/11/1984US4471359 Dual band, low sidelobe, high efficiency mirror antenna
08/1984
08/28/1984US4468674 Assymetrical folded half-dipole and linear extension antenna array
08/28/1984US4468672 Wide bandwidth hybrid mode feeds
08/28/1984US4468670 Antenna device for air traffic radar
08/21/1984CA1173156A1 Bidirectionally focusing antenna
08/15/1984EP0115983A2 Spatial filter for circularly polarized microwaves and Cassegrain antenna using such a filter
08/07/1984US4464666 Multiple reflector antenna
08/07/1984CA1172354A1 Microwave antenna having improved wide angle radiation characteristics
08/07/1984CA1172353A1 Polarization rotatable antenna feed
07/1984
07/24/1984US4462034 Antenna system with plural horn feeds
07/17/1984US4460899 Shield for improving the decoupling of antennas
06/1984
06/19/1984CA1169547A1 Orientable beam antenna for telecommunications satellite
05/1984
05/23/1984EP0109322A1 Double reflector antenna for a tracking radar improving the target acquisition capability
05/23/1984EP0109186A1 Antenna
05/22/1984US4450451 Gimbal assembly for monopulse radar antenna
05/16/1984EP0108515A1 Dish aerial
05/08/1984US4447811 Dielectric loaded horn antennas having improved radiation characteristics
04/1984
04/17/1984CA1165865A1 Multifrequency reflector antenna
04/10/1984CA1165401A1 Receive only earth satellite ground station
04/06/1984EP0092571A4 Wide bandwidth hybrid mode feeds.
04/04/1984EP0104173A1 An electronically scanned antenna system having a linear array of yagi antennas.
03/1984
03/14/1984EP0102846A1 Dual reflector microwave antenna
03/06/1984US4435714 For radiating energy
02/1984
02/28/1984US4434425 Multiple ring dipole array
02/15/1984EP0100466A1 Dual-band antenna system of a beam waveguide type
02/14/1984US4431997 Compound element for image element antennas
02/08/1984EP0100123A2 A directive antenna element
02/07/1984CA1161945A1 Antennas made of carbon fibre reinforced plastic material
01/1984
01/31/1984US4429314 Antennas, audio devices
01/25/1984EP0099318A1 Reflecting plate antenna including a polarizer reflector
01/11/1984EP0097932A1 Directional radio microwave antenna
01/10/1984US4425566 Antenna arrangement for providing a frequency independent field distribution with a small feedhorn
12/1983
12/28/1983EP0096959A1 Microwave antenna assemblies
12/27/1983US4423422 Diagonal-conical horn-reflector antenna
11/1983
11/15/1983US4415900 Cavity/microstrip multi-mode antenna
11/08/1983CA1156754A1 Correction method for transverse defocussing of paraboloid and corresponding correcting system for parabolic antenna
11/02/1983EP0092571A1 Wide bandwidth hybrid mode feeds.
10/1983
10/18/1983US4410892 Reflector-type microwave antennas with absorber lined conical feed
10/18/1983US4410866 Antenna transducer for a transmission-reception antenna
10/05/1983EP0090400A1 Surveillance radar aerial suited to elevation measurement
10/04/1983US4408209 Orientable beam antenna for telecommunications satellite
09/1983
09/27/1983US4407001 Focal axis resolver for offset reflector antennas
09/21/1983EP0088948A1 Antenna comprising at least one dipole
09/21/1983EP0088901A1 Offset-fed parabolic reflector antenna with low cross-polarisation
09/14/1983EP0088681A1 Dual-reflector antenna with incorporated polarizer
09/07/1983EP0087683A1 Radiant-slot television aerial, especially for indoor use
09/06/1983US4403222 Passive RF path diverter
08/1983
08/30/1983US4401988 Coupled multilayer microstrip antenna
08/24/1983EP0086399A1 Aerial with several reflectors
08/24/1983EP0086351A1 Geodesic dome/lens antenna
08/09/1983US4398201 Antenna director and method therefor
08/09/1983US4398200 Feed apertures with crosspolarization compensation for linear polarization
08/09/1983US4397558 System for reducing the effects of background radiation
07/1983
07/27/1983EP0084420A2 An antenna, particularly for the reception of satellite communications
07/27/1983EP0084112A1 Antenna for satellite reception
07/26/1983US4395095 Optical system for infrared tracking
06/1983
06/14/1983US4388623 Antennas
06/08/1983EP0080507A1 Broadband antennae
06/01/1983EP0080319A1 Antenna assemblies
05/1983
05/31/1983CA1147455A1 Directional antenna for microwave transmissions
05/17/1983US4384290 Airborne interrogation system
05/11/1983WO1983001711A1 Wide bandwidth hybrid mode feeds
03/1983
03/29/1983US4378558 Endfire antenna arrays excited by proximity coupling to single wire transmission line
03/17/1983WO1983000952A1 An electronically scanned antenna system having a linear array of endfire elements
03/15/1983US4376940 Antenna arrangements for suppressing selected sidelobes
02/1983
02/22/1983US4375052 Polarization rotatable antenna feed
02/16/1983EP0072191A2 Diagonal-conical horn-reflector antenna
01/1983
01/25/1983US4370657 Electrically end coupled parasitic microstrip antennas
01/25/1983CA1140255A1 Adjustable top loaded antenna
01/18/1983US4369448 Microwave antenna with radiation scattering support member elements
01/11/1983US4368473 Microwave lens ripple filter
12/1982
12/21/1982US4365252 Correction method for transverse defocussing of parabolic antenna
12/14/1982US4364052 Antenna arrangements for suppressing selected sidelobes
12/14/1982CA1137624A1 Antenna with sum and error patterns
12/09/1982WO1982004358A1 Broadband antennae
12/09/1982WO1982004357A1 Reflector-type microwave antennas with absorber lined conical feed
12/08/1982EP0066455A1 Reflector-type microwave antennas with absorber lined conical feed
11/1982
11/30/1982US4361841 Lens antenna
11/23/1982US4360815 Bifocal reflector antenna and its configuration process
11/16/1982US4359741 Lens antenna arrangement
11/16/1982US4359738 Clutter and multipath suppressing sidelobe canceller antenna system
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