Patents for H01P 1 - Auxiliary devices (25,484)
02/1981
02/03/1981US4249150 High power RF relay switch
02/03/1981US4249149 Ultra high-frequency circuit with resonant cavity equipped with pairs of peripheral diodes
02/03/1981US4249148 Cubical multiple cavity filter and combiner
02/03/1981US4249147 Cavity filter and multi-coupler utilizing same
01/1981
01/27/1981US4247838 Expansion joint for wave guides
01/27/1981US4247837 Multi-conductor ferromagnetic resonant coupling structure
01/20/1981US4246584 Hybrid mode waveguide or feedhorn antenna
01/20/1981US4246583 Multimode feed for a monopulse radar
01/20/1981US4246556 Low parasitic shunt diode package
01/20/1981US4246555 Odd order elliptic function narrow band-pass microwave filter
01/20/1981US4246552 Stripline circulator wherein each inner conductor is V-shaped
01/20/1981CA1094178A1 Microwave distributed-consant band-pass filter
01/14/1981EP0022401A1 Broad-band polariser with low ellipticity-ratio and microwave equipment with the same
01/13/1981US4245210 Thick film resistor element and method of fabricating
01/13/1981US4245198 High frequency filter device
01/13/1981US4245197 Radar receiver protector with auxiliary source of electron priming
01/07/1981EP0021878A1 Magnetostatic wave device comprising attenuating means, and process for its manufacture
01/07/1981EP0021872A1 High frequency circuit block for simultaneously transmitting and receiving, transmitter-receiver for millimeter waves and radar using such a circuit block
01/07/1981EP0021523A1 Bandstop filter for a microwave transmission line and polarisation circuit for a microwave transistor comprising this filter
01/06/1981US4243961 Apparatus for selecting the resonance frequency of a microwave device comprising a plurality of cavities
12/1980
12/30/1980US4242652 Four port waveguide switch
12/23/1980US4241348 Radar equipment for vehicles
12/23/1980US4241323 Reflective dual mode filter
12/23/1980US4241322 Compact microwave filter with dielectric resonator
12/16/1980US4240155 Diplexer and multiplexer
12/16/1980US4240052 Balun filter apparatus
12/16/1980US4240050 Two stub tuner in waveguide bend
12/16/1980US4240049 Waveguide junction circulator having spurious mode absorbing means
12/10/1980EP0020235A1 Passive limiter for electromagnetic waves and duplexer realized with the aid of such a limiter
12/09/1980US4238747 Mode filter apparatus
12/09/1980US4238745 Phase shifter
12/02/1980US4237434 Ridge waveguide mode suppressor
12/02/1980US4237431 Five port waveguide switch
12/02/1980CA1090893A1 High-pass filter for millimeter waves
12/02/1980CA1090885A1 Multi-channel radio relay systems
11/1980
11/26/1980EP0019510A1 Multipath rotating joint for electromagnetic detection equipment
11/25/1980US4236125 Wide band high power very high or ultra high frequency circulators
11/11/1980US4233580 Rotating coupler for transmitting high frequency energy
11/11/1980US4233579 Technique for suppressing spurious resonances in strip transmission line circuits
11/11/1980US4233576 Automatic polarization decoupling network
11/11/1980US4233481 Mechanical transfer switch
11/04/1980US4232278 High power microwave integrated circuit receiver protector with integral sensitivity time control
10/1980
10/29/1980EP0018261A1 Wide-band waveguide with double polarisation
10/28/1980US4231042 Hybrid mode waveguide and feedhorn antennas
10/28/1980US4231001 Constant resistance coupling network
10/28/1980US4231000 Antenna feed system for double polarization
10/28/1980CA1088640A1 Muliplexer using millimeter waves
10/14/1980US4228410 Microwave circular polarizer
10/07/1980US4227065 Method of joining current conducting components of wave guide elements and producing of the same
10/01/1980EP0016695A1 Symmetrical mixer for millimeter waves and receiver using such a mixer
10/01/1980EP0016345A1 Device for suppressing interfering and harmonic waves in travellingwave tubes with a choke piston in the output waveguide
09/1980
09/23/1980US4224587 Comb-line bandpass filter
09/23/1980CA1086429A1 Stripline capacitor
09/17/1980EP0015838A1 Wide-band hyperfrequency mixer
09/17/1980EP0015610A1 Microwave image-frequency reflecting filter and microwave receiver comprising such a filter
09/17/1980EP0015449A1 Gas tight microwave window in a coaxial line, especially for travelling-wave tubes
09/17/1980EP0015448A1 Vacuum tight microwave window in a coaxial line, especially for travelling-wave tubes
09/16/1980US4223287 Electrical filter employing transverse electromagnetic mode coaxial resonators
09/16/1980CA1085933A1 Method of joining current conducting components of wave guide elements and producing of the same
09/09/1980US4222055 Around-the-mast rotary coupler
09/09/1980US4222018 Mode filters
09/09/1980US4222017 Rotatable polarization duplexer
09/09/1980US4222015 Microwave circulator on a substrate
09/03/1980EP0014832A1 E-plane corner for a rectangular waveguide
09/02/1980US4220955 RF coupling device for connecting a hand held radio to an external device without removing the antenna
08/1980
08/26/1980US4219758 Traveling wave tube with non-reciprocal attenuating adjunct
08/20/1980EP0014692A2 Mode coupler in an automatic angle tracking system
08/20/1980EP0014620A1 Microwave circuit with coupled coplanar lines and device comprising such a circuit
08/19/1980US4218666 Dual mode band rejection filter
08/19/1980US4218664 Temperature-compensated microwave integrated circuit delay line
08/19/1980US4218663 Waveguide power limiter
08/19/1980CA1084128A1 Array of directional filters
08/12/1980US4217565 Hybrid T-junction switch
08/12/1980CA1083682A1 Coaxial-to-microstrip transition connector
08/06/1980EP0014128A1 A device to make an electrical and thermal contact between several metallic surfaces, and utilisation thereof
08/06/1980EP0014099A1 Circular polariser
08/05/1980US4216450 Millimeter waveguide shorts
08/05/1980US4216448 Microwave distributed-constant band-pass filter comprising projections adjacent on capacitively coupled resonator rods to open ends thereof
08/05/1980US4216447 High performance ferromagnetic filters applicable from the VHF through the microwave frequency ranges
08/05/1980US4216445 Variable resistance attenuator
07/1980
07/29/1980US4215327 Support assembly for cryogenically coolable low-noise choked waveguide
07/22/1980US4214218 Impedance matched tuning device having image trapping circuit
07/22/1980US4214217 Electronic tuning circuit having image trapping element
07/15/1980CA1081808A1 Dual mode self-equalized bandpass filters
07/15/1980CA1081807A1 Device provided with a band-pass filter constructed from coaxial resonator cavities
07/09/1980EP0013223A1 Harmonics filtration device for a radio transmitter
07/09/1980EP0013222A1 Diode phase shifter for microwaves and electronic scanning antenna comprising same
07/09/1980EP0013204A1 Frequency-band filter
07/09/1980EP0013019A1 Method and device for the compensation of the thermal phase variations in the transfer function of a distributed parameters two-port device
07/09/1980EP0012978A1 H-plane rectangular-wave guide bend
07/09/1980EP0012918A1 PIN diode high frequency switch for secondary radar interrogators and transponders
07/08/1980US4211977 Mixer circuit arrangement
07/08/1980CA1081102A1 Tires
07/01/1980US4210886 Isolator having reactive neutralizing means and predetermined angle between input-output windings
07/01/1980US4210885 Thin film lossy line for preventing reflections in microcircuit chip package interconnections
07/01/1980US4210884 Helical resonator band pass filter with novel coupling means
07/01/1980US4210881 Millimeter wave microstrip triplexer
06/1980
06/25/1980EP0012682A1 Low insertion-loss power circulator
06/24/1980US4209756 Circulator comprising a spring member between a ferrimagnetic piece and an adjacent conductor
06/24/1980CA1080350A1 Phase shifter and polarization switch