Patents for H01P 5 - Coupling devices of the waveguide type (11,303)
05/1989
05/30/1989US4835539 Broadbanded microstrip antenna having series-broadbanding capacitance integral with feedline connection
05/30/1989US4835500 Dielectric slab optically controlled devices
05/30/1989US4835496 Power divider/combiner circuit
05/24/1989EP0162058B1 Directional coupler for separation of signals in two frequency bands while preserving their polarization characteristics
05/24/1989DE3738262A1 Screened coplanar strip line arrangement
05/18/1989DE3738105A1 Vacuum-tight radio-frequency coupling arrangement
05/16/1989US4831345 Stripline power divider
05/11/1989DE3737076A1 Waveguide output element
05/10/1989EP0315064A2 Waveguide matrix including in-plane crossover
05/10/1989EP0314753A1 Suspended stripline rat race mixer with simplified i.f. extraction.
05/09/1989US4829309 Planar antenna
05/03/1989DE3735630A1 Arrangement for exciting an H21 wave in a coaxial line
05/02/1989US4827327 Integrated circuit device having stacked conductive layers connecting circuit elements therethrough
04/1989
04/26/1989EP0313122A1 Microwave balun
04/26/1989EP0313059A2 Coaxial hybrid coupler and crossing element
04/26/1989EP0313058A2 Coaxial transmission-line matrix including in-plane crossover
04/25/1989US4825175 For processing applied energy
04/25/1989US4825172 Use in a microwave antenna system
04/18/1989US4823097 Microwave directional coupler
04/18/1989US4823096 Variable ratio power divider/combiner
04/12/1989CN1003902B Wide-band short slot hybrid coupler
04/05/1989EP0310465A1 Adjustable microwave coupler
04/05/1989EP0309942A2 Multilayer ceramic package with high frequency connections
04/04/1989US4818964 Switchable multi-power-level short slot waveguide hybrid coupler
04/04/1989CA1252195A1 Electronic tracking system for microwave antennas
03/1989
03/28/1989US4816837 Automobile antenna system
03/22/1989EP0307470A1 Equal power amplifier system for active phase array antenna and method of arranging same
03/21/1989US4814780 Variable directional coupler
03/21/1989US4814729 Precisely tunable impatt diode module for weather radar apparatus
03/14/1989US4813047 High frequency signal driver for a laser diode and method of forming same
03/14/1989US4812790 Toothed coupling iris
03/14/1989US4812788 Waveguide matrix including in-plane crossover
03/14/1989US4812782 Non-reactive radial line power divider/combiner with integral mode filters
03/07/1989US4811426 Suspended stripline rat race mixer with simplified I. F. extraction
03/07/1989US4810982 Coaxial transmission-line matrix including in-plane crossover
03/01/1989EP0305247A1 Coupling arrangement between two coaxial microwave structures with different diameters
02/1989
02/28/1989US4809356 Three-way power splitter using directional couplers
02/21/1989US4806892 Inclined RF connecting strip
02/21/1989CA1250353A1 Waveguide to stripline transition
02/09/1989DE3724945A1 Junction from a coaxial cable to an axially parallel waveguide
02/08/1989EP0302479A1 Strip line coupling arrangement
02/07/1989US4803446 Low noise microwave amplifier
02/02/1989DE3741789C1 180@ microwave hybrid
02/01/1989EP0301056A1 Microwave transformer.
02/01/1989EP0135508B1 Square conductor coaxial coupler
01/1989
01/31/1989US4801903 Waveguide loop directional coupler
01/26/1989WO1988007786A3 Equal power amplifier system for active phase array antenna and method of arranging same
01/24/1989US4800345 Spiral hybrid coupler
01/24/1989CA1249379A1 Integrated circuit device having stacked conductive layers connecting circuit elements therethrough
01/19/1989DE3722620A1 Stripline/waveguide junction
01/17/1989USRE32835 Polarized signal receiver system
01/17/1989US4799032 Directional coupler
01/17/1989CA1249040A1 Rotary coupler
01/12/1989WO1988010013A3 Microwave multiplexer with multimode filter
01/11/1989EP0298434A2 Thin-film quadrature coupler
01/10/1989US4797643 Coaxial hybrid coupler and crossing element
01/04/1989CN1030162A Orthogonal-polarization duplex send-receive microwave head
01/03/1989US4795989 MMW microstrip coupler having movable test probe
01/03/1989CA1248187A1 Ferromagnetic resonator
12/1988
12/28/1988EP0296929A1 Balanced microwave transmission line with two coplanar conductors
12/21/1988EP0295688A1 Microwave primary emitting-receiving duplexer-unit for orthogonaly polarised waves
12/20/1988US4792773 Ultra high frequency circuit with low parasite capacities
12/20/1988US4792770 Waveguide directional coupler with multiple coupled outputs
12/15/1988WO1988010013A2 Microwave multiplexer with multimode filter
12/07/1988CN88105654A Wavequide double orthogonal moulding bridge
12/06/1988CA1246170A1 Integrated circuit device having strip line structure therein
12/01/1988WO1988009568A1 Directional coupler
12/01/1988WO1988009567A1 Improved device for combining two alternating signals of identical frequency
11/1988
11/30/1988EP0120915B1 Millimeter-wave phase shifting device
11/24/1988DE3715318A1 Waveguide output element
11/23/1988EP0291694A1 Directional coupler
11/22/1988US4786883 Transformation device for connecting waveguides
11/22/1988CA1245308A1 Radial/axial power divider/combiner
11/17/1988WO1988009088A1 Suspended stripline rat race mixer with simplified i.f. extraction
11/15/1988US4785267 Radio frequency combiner
11/15/1988CA1244897A1 Superelliptical waveguide connection
11/09/1988EP0289887A1 Coupling device between two waveguide elements
11/08/1988US4783663 Unit modules for a high-frequency antenna and high-frequency antenna comprising such modules
11/08/1988US4783640 Simultaneous-delay correlator apparatus
11/01/1988US4782314 Fluid-tight coupling device for microwaves
10/1988
10/20/1988WO1988008211A1 Broad band coupler
10/18/1988US4779067 Microwave phase trimmer
10/11/1988US4777459 For electromagnetic signals
10/11/1988US4777458 Thin film power coupler
10/11/1988US4777457 Directional coupler for separation of signals in two frequency bands while preserving their polarization characteristics
10/06/1988WO1988007786A2 Equal power amplifier system for active phase array antenna and method of arranging same
10/05/1988EP0285524A1 Device comprising a radial combiner for electromagnetic waves
10/05/1988EP0285020A2 Arrangement for coupling microwave energy to a leaky microwave line
09/1988
09/27/1988US4774481 Wideband transmission line signal combiner/divider
09/21/1988EP0283396A1 Junction between a triplate line and a microstrip line and application thereof
09/14/1988EP0281781A1 Lower-noise microwave amplifying circuit
08/1988
08/30/1988US4768005 Capacitorless DC bias lines for use with r.f. signal processing apparatus
08/25/1988WO1988006343A1 Microwave transformer
08/16/1988US4764771 Antenna feed network employing over-coupled branch line couplers
08/09/1988CA1240371A1 Coplanar microstrap waveguide
07/1988
07/20/1988EP0274950A1 Broad-band coupling device between the delay line of a travelling-wave tube and the external energy-transmitting circuit, and travelling-wave tube comprising such a device
07/19/1988US4758775 Broad band coupler
07/19/1988CA1239483A1 Bond wire transmission line
07/13/1988EP0274073A2 Double balanced mixer
07/13/1988EP0273923A1 Combined uplink and downlink satellite antenna feed network