Patents
Sitemap › H01 - Basic electric elements › H01P - Waveguides; Resonators, lines or other devices of the waveguide type › H01P 1 - Auxiliary devices
Patents for H01P 1 - Auxiliary devices (25,484)
10/1991
10/08/1991CA1290449C Device for exciting a circularly polarized wage guide by means of a planar antenna
10/08/1991CA1290410C Four port frequency diplexer
10/02/1991EP0449174A2 Gyrotron having a mode converter
10/02/1991DE4009918A1 Microwave switch with hollow conductor connections contg. dust seals - to prevent entrance of dust during assembly
10/02/1991CN2086007U Rotation apparatus for polarized face of feed source
10/01/1991US5053734 Magnetostatic wave device
10/01/1991US5053732 Waveguide switching system comprising a single stator and a plurality of rotatable waveguide switches therein
10/01/1991US5053731 Software reconfigurable transmission line apparatus
10/01/1991CA1290030C2 Multiple resonator component - mountable filter
09/1991
09/26/1991DE4009288A1 Rectangular waveguide unit with E and H double offset - has section with projecting surfaces to control wave propagation with low reflection content
09/25/1991EP0448085A2 Dielectric filter
09/24/1991US5051715 Coupling-out window for linearly polarized microwaves
09/24/1991US5051714 Modular resonant cavity, modular dielectric notch resonator and modular dielectric notch filter
09/24/1991US5051713 Waveguide filter with coupled resonators switchably coupled thereto
09/24/1991CA1289660C Orthogonal mode electromagnetic wave launcher
09/19/1991WO1991014296A1 Waveguide filter
09/18/1991CN1054670A Actire fibre optical amplifier, with double-core portions, having wide signal wavelength band
09/17/1991US5049707 Super high frequency switching device
09/17/1991CA1289207C Microwave absorber attenuator for linear sspa power control
09/11/1991EP0446108A1 Dielectric resonator with microwave metallic strips and device using such a resonator
09/11/1991EP0446107A1 Transmission system for electrical energy, in the microwave field, with gyromagnetic effect, such as a circulator, isolator or filter
09/11/1991EP0446050A2 Signal transmission/reception switching apparatus
09/11/1991EP0445587A2 Modular resonant cavity, modular dielectric notch resonator and modular dielectric notch filter
09/10/1991US5047740 Microwave switch
09/10/1991US5047739 Transmission line resonator
09/10/1991US5047737 Directional coupler and termination for stripline and coaxial conductors
09/10/1991CA2037724A1 Dielectric resonator with micro-wave metallic strips and device using such a resonator
09/10/1991CA2037722A1 Electric power system for hyperfrequencies with a gyromagnetic effect such as a circulator, insulator or filter
09/04/1991EP0445028A1 Device for coupling at least two transmitters and receivers to a common antenna
09/04/1991EP0444948A2 Dielectric resonator and a filter using same
09/04/1991EP0444820A2 MMIC package and connection
09/03/1991US5045824 Dielectric filter construction
09/03/1991CA2037262A1 Dielectric resonator and a filter using same
09/03/1991CA1288484C Apparatus to couple laser radiation into a microwave waveguide
09/03/1991CA1288220C Waveguide hanger
08/1991
08/29/1991DE4104718A1 Wound filter with interconnected electromagnetic coils - has rotary mounted coil former(s), with exception of input and output coil formers
08/28/1991EP0443526A1 A microwave coupling arrangement
08/28/1991EP0443481A1 Tunable microwave filter
08/28/1991EP0442925A1 Microwave signal receiving apparatus
08/28/1991CN1054137A Optical amplifier having a single-mode curved active fibre
08/27/1991US5043683 Waveguide to microstripline polarization converter having a coupling patch
08/27/1991US5043671 Device for addition of the power from two alternating signals in a linear accelerator
08/27/1991US5043629 Slotted dielectric-lined waveguide couplers and windows
08/21/1991EP0442797A1 Circuit for switching a microwave output signal towards a first or a second output port
08/21/1991EP0442553A1 Optical amplifier having a single-mode curved active fibre
08/21/1991EP0442418A2 Dielectric filter having coupling amount adjusting patterns
08/20/1991US5041840 Multiple frequency antenna feed
08/20/1991US5041804 Particle filter for waveguides
08/20/1991US5041803 Automatic load matching circuit for microwaves using multi-element matching device
08/17/1991CA2036130A1 Circuit for surtching a microwave signal to one of two outputs
08/15/1991CA2036305A1 Dielectric filter having coupling amount adjusting patterns
08/14/1991EP0441590A1 High frequency filter
08/14/1991EP0441532A2 A frequency linearization circuit for a microwave VCO in ridged waveguide
08/14/1991EP0441293A1 Cooled waveguide
08/14/1991EP0441211A2 Active fibre optical amplifier, with double-core portions, having a wide signal wavelength band
08/14/1991EP0440661A1 A high-frequency band-pass filter.
08/13/1991US5039968 Rotor setting arrangement
08/13/1991US5039962 Device for the coupling of two microwave signal sources with reduction of the loss in the event of malfunctioning of a source
08/13/1991US5039961 Coplanar attenuator element having tuning stubs
08/13/1991US5039873 Microwave elements with impedance control circuits
08/13/1991CA1287667C2 Multiple resonator component - mountable filter
08/07/1991EP0440421A2 Radio signal polarisation switching arrangement
08/07/1991EP0440334A2 Dielectric resonant oscillator
08/07/1991EP0439867A1 Optical power amplifier with doped active fibre
08/07/1991EP0439799A1 Device for the rotation of the polarisation of a polarised wave in a waveguide
08/07/1991EP0439448A1 Improved device for combining two alternating signals of identical frequency
08/07/1991CN1053714A Optical power amplifier with doped active fibre
08/06/1991USH954 Lumped element digital phase shifter bit
08/06/1991US5038113 Nonlinearity generator using FET source-to-drain conductive path
08/06/1991US5038060 Active very-high frequency circuit of the all-pass type utilizing an RC network whose capacitance is the gate-source capacitance of a FET
07/1991
07/31/1991EP0438807A2 A dielectric resonator support system for a waveguide
07/30/1991US5036302 Radio receiver filter with image rejection
07/30/1991CA1287131C Dielectric filter and a method of manufacturing thereof
07/24/1991EP0438149A2 Dielectric filter with attenuation poles
07/24/1991EP0438124A2 Magnetostatic wave device
07/24/1991EP0142555B1 Dual band phased array using wideband elements with diplexer
07/23/1991US5034750 Pulse radar and components therefor
07/23/1991US5034711 Dielectric resonator support system for a waveguide
07/23/1991US5034707 Combiner arrangement in a radio base station
07/17/1991EP0437304A2 Method of adjusting a frequency response in a stripline filter device
07/17/1991EP0437190A2 Polarization converter application for accessing linearly polarized satellites with single- or dual-circularly polarized earth station antennas
07/17/1991CN2081153U Dielectric filter
07/16/1991US5032811 Magnetostatic wave filter
07/16/1991US5032806 Loaded line phase shifter
07/16/1991US5032805 RF phase shifter
07/10/1991CN1052975A Slot antenna for variably polarized waveguide
07/09/1991US5030935 Method and apparatus for dampening resonant modes in packaged microwave circuits
07/09/1991US5030929 Compact waveguide converter apparatus
07/09/1991US5030793 Integrated EMI filter and thermal heat sink
07/09/1991CA1286005C Cableless triple waveguide-to-coax transition for standard coax relay
07/09/1991CA1286004C Phase shifter
07/04/1991DE4002233C1 Coupling unit for waveguide - releasable connects radio equipment to aerial by spring-mounted module axially slidable w.r.t. terminal end of waveguide
07/03/1991EP0434932A2 System for generating plasma
07/03/1991EP0434898A2 Semiconductor integrated circuit
07/03/1991EP0434864A1 Apparatus and method for limiting spurious resonant cavity Apparatus and method for limiting spurious resonant cavity effects in electronic equipment.
07/03/1991EP0434860A1 Switched ring phase shifting circuit
07/03/1991EP0434847A1 Microwave strip line filter of temperature compensation type
07/02/1991US5028897 Microwave transmission arrangement
07/02/1991US5028896 Stripline circuit
07/02/1991US5028892 Analog phase shifter
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