Patents for H01P 5 - Coupling devices of the waveguide type (11,303)
07/1988
07/12/1988US4757285 Filter for short electromagnetic waves formed as a comb line or interdigital line filters
07/12/1988US4757284 Dielectric filter of interdigital line type
07/12/1988CA1239222A1 Grooved horn radiator with mode coupler
07/05/1988US4755777 Variable power divider
07/05/1988US4755775 Microwave balun for mixers and modulators
07/05/1988US4755760 Device for combining two alternating signals of the same frequency
06/1988
06/28/1988US4754241 3dB directional coupler
06/28/1988US4754239 Waveguide to stripline transition assembly
06/28/1988CA1238720A1 Transistor devices for microwave oscillator elements
06/28/1988CA1238713A1 Antenna feed network
06/22/1988EP0271505A1 Power divider/combiner circuit.
06/21/1988CA1238378A1 Sampling circuit for microwave signals
06/21/1988CA1238377A1 Receiving arrangement for hf signals
06/15/1988EP0271458A2 Electromagnetically coupled printed-circuit antennas having patches or slots capacitively coupled to feedlines
06/15/1988EP0136341B1 Coaxial line to waveguide adapter
06/07/1988US4749969 180° hybrid tee
06/07/1988CA1237792A1 Coaxial cable connector
06/01/1988EP0165247B1 Microwave power combiner
06/01/1988DE3640937A1 Microwave power divider
05/1988
05/31/1988US4747786 Coaxial cable connector
05/31/1988CA1237521A1 Microwave pulse source
05/25/1988EP0268062A1 Antiphase transmitter
05/24/1988US4746883 Evanescent mode microwave bandpass filter with a rotatable crank shape coupling antenna
05/17/1988US4745377 Microstrip to dielectric waveguide transition
05/11/1988DE3637267A1 Waveguide adaptor
05/10/1988US4743918 Antenna comprising a device for excitation of a waveguide in the circular mode
05/10/1988US4743915 Four-horn radiating modules with integral power divider/supply network
05/03/1988US4742571 Coupling device between a metal wave guide, a dielectric wave guide and a semiconductor component and a mixer using this coupling device
05/03/1988CA1236178A1 Power amplifying apparatus
04/1988
04/26/1988US4740764 Pressure sealed waveguide to coaxial line connection
04/20/1988EP0263991A2 Multi-stage power divider
04/19/1988US4739519 Coplanar microwave balun, multiplexer and mixer assemblies
04/19/1988US4739289 Microstrip balun having improved bandwidth
04/12/1988US4737797 Microstrip balun-antenna apparatus
04/12/1988US4737740 Discontinuous-taper directional coupler
04/05/1988US4736165 Distortion generating circuit
03/1988
03/30/1988EP0261634A1 Tunable band filter
03/30/1988EP0261147A1 Wideband short slot hybrid coupler.
03/30/1988EP0261121A1 A method for manufacturing a wave-guide section providing a continuous transition and a microwave antenna using this wave-guide section
03/29/1988US4734667 Arrangement for coupling waveguide modes between two waveguides via a semiconductor element
03/29/1988US4734661 Coax to slab line connector and programmable attenuator using the same
03/29/1988US4734660 Microwave device
03/29/1988CA1234621A1 Crossover traveling wave feed
03/22/1988US4733202 Coupling device between an electromagnetic surface wave line and an external microstrip line
03/08/1988US4730224 For transferring signals between processing circuits
03/02/1988EP0257881A2 Slotted waveguide antenna and array
03/01/1988CA1233532A1 Microstrip circuit
02/1988
02/24/1988EP0256511A2 Directional coupler
02/23/1988US4727342 Dielectric resonator
02/23/1988CA1233206A1 Ultrahigh-frequency switch
02/16/1988US4725797 Microwave directional filter with quasi-elliptic response
02/16/1988US4725793 Waveguide-microstrip line converter
02/16/1988US4725792 Wideband balun realized by equal-power divider and short circuit stubs
02/09/1988US4724409 Microwave circuit package connector
02/04/1988DE3628435C1 Switchable 0 DEG /180 DEG phase shifter
02/03/1988EP0255068A1 Filter for short electromagnetic waves having the shape of comb filters or interdigital filters
02/02/1988US4723307 Simplified phase-controlled television broadcast switching circuit and three-position coaxial LC phase shifter therefor
01/1988
01/26/1988US4721959 Monopulse comparator formed in a milled channel plate structure
01/26/1988US4721930 Suspension and drive system for a mechanical RF energy power divider intended for spacecraft applications
01/26/1988US4721929 Multi-stage power divider
01/20/1988CN87103632A Combined up and down feed network for a communication satellite antenna
01/19/1988US4720691 Compact waveguide apparatus acting as a magic T
01/19/1988US4720677 R. F. triaxial directional bridge
01/19/1988US4719699 In the construction of a balun
01/14/1988WO1986003891A3 A compound dielectric multi-conductor transmission line and devices constructed therefrom
01/13/1988EP0252269A1 Conversion device
01/13/1988EP0252114A1 Non-reactive radial line power divider/combiner with integral mode filters.
01/07/1988EP0250543A1 Hybrid power combiner and amplitude controller
12/1987
12/29/1987US4716387 Waveguide-microstrip line converter
12/29/1987US4716386 Waveguide to stripline transition
12/29/1987US4716382 Microwave amplifying apparatus
12/16/1987EP0249310A1 Waveguide to stripline transition
12/09/1987CN87102309A Wide-band short slot hybrid coupler
12/03/1987WO1987007439A1 Combined uplink and downlink satellite antenna feed network
12/03/1987WO1987007438A1 Power divider/combiner circuit
12/03/1987DE3618159A1 Transmission/reception directional filter (T/R cell)
12/02/1987EP0247794A2 Matching asymmetrical discontinuities in transmission lines
12/02/1987EP0247454A1 Broadbanded microstrip antenna having series-broadbanding capacitance integral with feedline connection
12/02/1987EP0247391A2 Fluid-tight microwave coupling device
12/02/1987EP0247228A2 Signal polarization rotator
12/02/1987CN87103210A Short channel waveguide mixing coupler of changeable multi-power levels
12/01/1987USH392 Microwave waveguide manifold and method
12/01/1987CA1229890A1 Transition between a continuous and a corrugated circular waveguides for efficient launch of signals in two frequency bands
11/1987
11/25/1987CN87103472A Microstrip transmission line for coupling to a dielectric resonator
11/19/1987EP0245890A2 Microstrip transmission line for coupling to a dielectric resonator
11/17/1987US4707668 Method and apparatus for transferring and injecting rf energy from a generator to a resonant load
11/17/1987CA1229388A1 Radio frequency power divider/combiner networks
11/10/1987US4706049 Dual adjacent directional filters/combiners
11/10/1987CA1229162A1 Flared microwave feed horns and waveguide transitions
11/10/1987CA1229161A1 Waveguide antenna output for a high-frequency planar antenna comprising an array of radiating or receiving elements and a system for transmitting or receiving high-frequency signals comprising a planar antenna having such an antenna output
11/05/1987WO1987006770A1 Switchable multi-power-level short slot waveguide hybrid coupler
11/03/1987US4704611 Electronic tracking system for microwave antennas
11/03/1987US4704590 Device for coupling microwave energy
11/03/1987US4704589 Compact waveguide power divider with multiple isolated outputs
10/1987
10/27/1987US4703291 Dielectric filter for use in a microwave integrated circuit
10/20/1987US4701723 Connection construction for electronic component
10/14/1987EP0240543A1 Phase compensated hybrid coupler.
10/13/1987US4700154 Polarization separating filter for hyper frequency structures
10/13/1987US4700152 Non-contacting signal coupling device
10/13/1987US4700145 Radially fed microwave signal combiner/distributor apparatus