Patents
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)
05/1985
05/21/1985US4518967 Tapered-width leaky-waveguide antenna
05/21/1985CA1187602A1 Horn antenna and mixer construction for microwave radar detectors
05/07/1985US4516131 Variable slot conductance dielectric antenna and method
05/07/1985US4516129 Waveguide with dielectric coated flange antenna feed
04/1985
04/30/1985CA1186405A1 Radiating element or receiver for circularly polarized high-frequency signals and planar high- frequency antenna comprising a network of elements of these types
04/16/1985CA1185696A1 Reflector-type microwave antennas with absorber lined conical feed
04/09/1985US4510498 Plate antenna for direction finder
04/02/1985US4509053 Blade antenna with shaped dielectric
03/1985
03/26/1985US4507665 Primary source with frequency re-utilization
03/26/1985US4507664 Dielectric image waveguide antenna array
03/20/1985EP0134611A1 A flat microwave emitting or receiving antenna array, and microwave signal emitting or receiving system comprising a such flat antenna
03/12/1985US4504836 Antenna feeding with selectively controlled polarization
03/05/1985CA1183601A1 Stripline antennas
03/05/1985CA1183600A1 Stripline antennas
02/1985
02/19/1985US4500887 Microstrip notch antenna
02/19/1985CA1182903A1 Radiating cable with plurality of radiating sheaths
02/05/1985US4498061 Microwave receiving device
01/1985
01/08/1985US4492020 Method for fabricating corrugated microwave components
01/02/1985EP0130154A2 Multi-shaped-beam reflector antenna
12/1984
12/27/1984EP0128970A1 Four-port network for a monopulse-tracking microwave antenna
12/18/1984USRE31772 Digital bearing indicator
12/18/1984US4489331 Two-band microwave antenna with nested horns for feeding a sub and main reflector
12/18/1984US4489328 Plural microstrip slot antenna
12/18/1984CA1179753A1 Microwave receiver for circularly polarized signals
12/11/1984US4488157 Slot array antenna assembly
12/04/1984US4486758 Antenna element for circularly polarized high-frequency signals
11/1984
11/20/1984CA1178344A1 Distributed array of josephson devices with coherence
11/13/1984US4482899 Wide bandwidth hybrid mode feeds
11/07/1984EP0124357A2 Open waveguide electromagnetic wave radiator for heating a plasma
11/07/1984EP0123870A1 Doppler radar velocity measurement apparatus
10/1984
10/31/1984EP0123350A1 Plane microwave antenna with a totally suspended microstrip array
10/24/1984EP0122391A1 Broadband microwave radiator
10/17/1984EP0121722A1 A singly fed circularly polarized microstrip antenna
10/16/1984US4477816 Corrugated antenna feed horn with means for radiation pattern control
10/16/1984US4477813 Microstrip antenna system having nonconductively coupled feedline
10/16/1984CA1176368A1 Two-band microwave source and an antenna equipped with said source
10/11/1984WO1984004002A1 Waveguide antenna
10/09/1984CA1175935A1 Feed horn for reflector antennae
10/02/1984US4475107 Circularly polarized microstrip line antenna
09/1984
09/18/1984US4472721 Broadband corrugated horn radiator
09/18/1984CA1174760A1 Multimode ultrahigh-frequency source comprising a profiled obstacle
09/11/1984CA1174036A1 Method of grading radiating transmission lines
09/05/1984EP0117803A1 Wideband primary microwave horn radiator and antenna using such a primary radiator
08/1984
08/28/1984US4468673 Frequency scan antenna utilizing supported dielectric waveguide
08/28/1984US4468672 Wide bandwidth hybrid mode feeds
08/07/1984US4464665 Slotted cable antenna structure
07/1984
07/10/1984US4459594 Stripline antennas
07/10/1984US4459593 Stripline antennas
06/1984
06/13/1984EP0110479A1 Directive thin double antenna for microwaves
05/1984
05/29/1984US4451830 VHF Omni-range navigation system antenna
05/24/1984WO1984002038A1 Broadband directional antenna
05/16/1984EP0108463A1 Radiating element for cross-polarized microwave signals and planar antenna consisting of an array of such elements
05/01/1984CA1166743A1 Vhf omni-range navigation system antenna
04/1984
04/26/1984WO1984001669A1 Continuous ferrite aperture for electronic scanning antennas
04/17/1984US4443805 Plate-type antenna with double circular loops
04/17/1984US4443804 Modified difference mode coaxial antenna with flared aperture
04/17/1984US4443802 Stripline fed hybrid slot antenna
04/11/1984EP0105103A2 Microstrip antenna system having nonconductively coupled feedline
04/10/1984US4442437 Small dual frequency band, dual-mode feedhorn
04/06/1984EP0092571A4 Wide bandwidth hybrid mode feeds.
04/03/1984US4441091 Low loss leakage transmission line
03/1984
03/27/1984US4439748 Corrugated waveguide or feedhorn assembled from grooved pieces
03/20/1984CA1164088A1 Antenna feeder system
03/15/1984WO1984001058A1 Method for fabricating corrugated microwave components
03/06/1984US4435715 Rod-excited waveguide slot antenna
02/1984
02/21/1984US4432193 Method of grading radiating transmission lines
02/14/1984US4431998 Circularly polarized hemispheric coverage flush antenna
02/14/1984US4431997 Compound element for image element antennas
02/14/1984US4431996 Missile multi-frequency antenna
02/08/1984EP0100123A2 A directive antenna element
01/1984
01/17/1984US4426649 Folded back doublet antenna for very high frequencies and networks of such doublets
01/03/1984US4424517 Integrated dielectric waveguide radar front end device
12/1983
12/13/1983US4420756 Multi-mode tracking antenna feed system
12/13/1983CA1158766A1 Rectangular beam shaping antenna
11/1983
11/15/1983US4415900 Cavity/microstrip multi-mode antenna
11/15/1983CA1157146A1 Antenna feedhorn having an elliptical radiation pattern
11/08/1983US4414550 Low profile circular array antenna and microstrip elements therefor
11/02/1983EP0092571A1 Wide bandwidth hybrid mode feeds.
10/1983
10/25/1983US4412222 Dual polarized feed with feed horn
10/18/1983US4410892 Reflector-type microwave antennas with absorber lined conical feed
10/18/1983US4410890 VHF Directional receiver
10/11/1983US4409595 Stripline slot array
10/04/1983US4408208 Dip brazed corrugated feed horn
10/04/1983US4408171 Noise filter with socket attached thereto
09/1983
09/21/1983EP0089084A1 Flat microwave antenna structure
09/07/1983EP0087683A1 Radiant-slot television aerial, especially for indoor use
08/1983
08/23/1983US4400702 Shortened antenna having coaxial lines as its elements
08/16/1983US4399341 Microwave heating apparatus
08/10/1983EP0085486A1 Antenna arrangement
08/09/1983US4398199 Circularly polarized microstrip line antenna
06/1983
06/29/1983EP0082751A1 Microwave radiator and its use in an electronically scanned antenna
06/14/1983US4388625 Multimode diagonal feed horn
06/07/1983CA1147851A1 Slot array antenna with amplitude taper across a small circular aperture
05/1983
05/25/1983EP0079533A1 Horn antenna
05/24/1983CA1147032A1 Radiation cable
05/11/1983WO1983001711A1 Wide bandwidth hybrid mode feeds
05/03/1983CA1145843A1 Coaxial phased array antenna
04/1983
04/12/1983US4380014 Feed horn for reflector antennae
03/1983
03/16/1983EP0074153A2 Horn antenna
03/15/1983US4376938 Wire grid microstrip antenna