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