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)
10/1981
10/06/1981US4293180 Resilient biasing means
10/06/1981CA1110334A1 Micro-wave filters
09/1981
09/30/1981EP0036746A2 Method and apparatus for line isolation and interference shielding for a shielded conductor system
09/29/1981US4292610 Temperature compensated coaxial resonator having inner, outer and intermediate conductors
09/29/1981US4292607 Broadband circuit for microwave S/N enhancers
09/29/1981US4292463 Cable shielding tape and cable
09/22/1981US4291288 Folded end-coupled general response filter
09/22/1981US4291287 Evanescent mode filter
09/17/1981WO1981002652A1 A compound with trimmable electric impedance i.e.a stub
09/16/1981EP0035929A1 High frequency multimode feed, and antenna comprising such a feed
09/16/1981EP0035922A1 Tuning device with variable capacity and tunable microwave filter with at least one such device
09/09/1981EP0035440A1 Sliding-contact type microwave tuning system
09/08/1981US4288766 Microwave circuit
09/08/1981US4288763 Analog phase shifter
09/08/1981US4288530 Method of tuning apparatus by low power laser beam removal
09/03/1981WO1981002494A1 Microwave hybrid couplers
09/01/1981US4287605 Directional filter for mixers, converters and the like
09/01/1981US4287497 Integrated universal RF joint and gimbal system
09/01/1981US4287495 Thermally compensated phase-stable waveguide
09/01/1981US4287494 Distributed constant type filter
08/1981
08/25/1981US4286240 Circular electric mode microwave window
08/25/1981US4286239 Gas-tight, high-frequency permeable window arrangement in a coaxial line, particularly for traveling wave tubes
08/25/1981US4286238 Harmonic filtering device for radio transmitter
08/25/1981US4286135 Compact microwave isolator
08/18/1981US4284992 Wide scan quasi-optical frequency diplexer
08/18/1981US4284967 Waveguide device
08/18/1981US4284966 Wide bandwidth helical resonator filter
08/18/1981CA1107357A1 Notch filter network
08/11/1981US4283727 Separable microwave coupling and antenna using same
08/11/1981US4283697 High frequency filter
08/11/1981US4283692 Magnetostatic wave signal-to-noise-enhancer
08/11/1981US4282649 Interlocked waveguide assembly
08/04/1981US4282458 Waveguide mode coupler for use with gyrotron traveling-wave amplifiers
07/1981
07/28/1981US4281302 Quasi-elliptic function microstrip interdigital filter
07/21/1981US4280113 Filter for microwaves
07/21/1981US4280111 Waveguide circulator having cooling means
07/14/1981US4278957 UHF Filter assembly
07/14/1981US4278956 HF-Attenuator
07/08/1981EP0031768A2 Non-reciprocal high-power microwave device
07/07/1981US4277789 Microwave energy transmission system for around-the-mast applications
07/07/1981US4277765 Device for cooling a superconductive resonator and method of making the device
07/07/1981CA1104668A1 Broadband isolator with stacked copper laminates
07/07/1981CA1104666A1 Microwave circulator
07/01/1981EP0031275A1 Microwave window and waveguide with such a window
06/1981
06/30/1981US4276525 Coaxial resonator with projecting terminal portion and electrical filter employing a coaxial resonator of that type
06/30/1981US4276522 Circulator in a stripline microwave transmission line circuit
06/30/1981CA1104222A1 Transmission line filter
06/23/1981US4275369 Filter for microwaves
06/23/1981US4275367 Digital diode phase shifter elements
06/23/1981US4275366 Phase shifter
06/09/1981US4272744 Rectangular waveguide elbow bent across the broad side of the waveguide with corner flattening and a transverse bar
06/09/1981US4272739 High-precision electrical signal attenuator structures
06/02/1981US4271399 Dielectric resonator for VHF to microwave region
05/1981
05/27/1981EP0029276A1 Microwave filter
05/26/1981US4270224 Microwave down converter
05/26/1981US4270107 Rectangular waveguide elbow formed with a truncated corner and having pipes formed therein
05/26/1981US4270106 Broadband mode suppressor for microwave integrated circuits
05/26/1981US4270104 Phase equalizer in microwave transmission line
05/19/1981US4268809 Microwave filter having means for capacitive interstage coupling between transmission lines
05/19/1981US4268804 Transmission line apparatus for dominant TE11 waves
05/19/1981US4268803 Periodic lid for integrated circuit
05/12/1981US4267538 Resistively matched microwave PIN diode switch
05/12/1981US4267537 Right circular cylindrical sector cavity filter
05/12/1981US4267532 Adjustable microstrip and stripline tuners
05/12/1981US4267531 High-frequency terminating impedance
05/12/1981US4267530 Iris for receiver protector
05/12/1981CA1100750A1 Piezoelectric ceramic composition
05/05/1981US4266207 Coaxial cable band-pass filter
05/05/1981US4266206 Stripline filter device
05/05/1981US4266202 Receiver protector having means for suppressing internally generated noise signal frequencies
04/1981
04/28/1981US4264881 Microwave device provided with a 1/2 lambda resonator
04/21/1981US4263570 Optical phase shifter
04/16/1981WO1981001080A1 Adjustable microstrip and stripline tuners
04/16/1981WO1981001079A1 Thin film structure for ceramic substrates
04/14/1981US4262269 Q Enhanced resonator
04/14/1981US4262266 Coaxial stub tuner
04/07/1981US4260967 High power waveguide filter
04/07/1981US4260965 Fixed microwave attenuator having mounting hole passing through alumina porcelain substrate
04/07/1981US4260962 RF Termination for coaxial transmission lines
04/07/1981US4260961 Compensator for two angularly offset joined wave guides
04/07/1981CA1099013A1 Antenna coupling network with element pattern shift
04/01/1981EP0026086A1 Microwave device with dielectric resonator
03/1981
03/24/1981US4258435 Manifold multiplexers
03/24/1981US4258366 Multifrequency broadband polarized horn antenna
03/24/1981US4258365 Around-the-mast rotary annular antenna feed coupler
03/24/1981US4258339 Lumped circuit circulator with adjustable band widening circuit
03/11/1981EP0024685A1 Hybrid mode waveguiding member and hybrid mode feedhorn antenna
03/10/1981US4255731 Intense electron beam microwave switch
03/10/1981US4255729 High frequency filter
03/03/1981US4254390 Compact electronic tuning device
03/03/1981US4254385 Two-dimensional (planar) TDMA/broadcast microwave switch matrix for switched satellite application
03/03/1981US4254384 Electronic waveguide switch
03/03/1981US4254383 Inverted microstrip phase shifter
02/1981
02/24/1981US4253101 Power transfer ripple reduction method and means for rotary annular loop RF coupler
02/24/1981US4253073 Single ground plane interdigital band-pass filter apparatus and method
02/17/1981US4251817 Microwave integrated circuit device for transmission/reception of a signal
02/17/1981US4251787 Adjustable coupling cavity filter
02/11/1981EP0023873A1 Passive power limiter using semiconductors realised in a striplike configuration, and microwave circuit using such a limiter
02/10/1981US4250475 Adjustable passband filter
02/04/1981EP0023437A1 Radio frequency load resistor
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