Patents for H01P 7 - Resonators of the waveguide type (6,314)
03/1981
03/31/1981US4259561 Microwave applicator
03/31/1981CA1098597A1 Solid state power combiner for transmitter
03/17/1981US4257020 Piezoelectric resonator
03/17/1981CA1097755A1 Electrical tuning circuit
03/03/1981US4254390 Compact electronic tuning device
02/1981
02/17/1981CA1095996A1 Multimodal resonant cavity for microwave heating apparatus
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
01/07/1981EP0021878A1 Magnetostatic wave device comprising attenuating means, and process for its manufacture
01/06/1981US4243961 Apparatus for selecting the resonance frequency of a microwave device comprising a plurality of cavities
01/06/1981US4243697 Hexagonal barium hexaferrate single crystals grown on spinel substrate
12/1980
12/30/1980US4242685 Slotted cavity antenna
12/30/1980US4242213 Dielectric ceramic compositions based on magnesium, calcium and rare earth metal titanates
12/23/1980US4241322 Compact microwave filter with dielectric resonator
11/1980
11/12/1980EP0018476A1 Crossed slot cavity antenna
10/1980
10/28/1980US4231001 Constant resistance coupling network
09/1980
09/17/1980EP0015610A1 Microwave image-frequency reflecting filter and microwave receiver comprising such a filter
08/1980
08/19/1980CA1084128A1 Array of directional filters
07/1980
07/22/1980US4214218 Impedance matched tuning device having image trapping circuit
07/22/1980US4214217 Electronic tuning circuit having image trapping element
07/22/1980CA1082364A1 Arrangement for automatically controlling the frequency of a hyperfrequency generator feeding a resonant element subjected to fluctuations in temperature
07/15/1980CA1081807A1 Device provided with a band-pass filter constructed from coaxial resonator cavities
07/08/1980US4211987 Cavity excitation utilizing microstrip, strip, or slot line
07/08/1980US4211984 Oscillating circuit arrangements for high frequency industrial generators
07/08/1980US4211970 Apparatus for determining the water content of isotropic materials
07/01/1980US4210884 Helical resonator band pass filter with novel coupling means
06/1980
06/24/1980CA1080313A1 Coaxial cavity resonator
06/10/1980US4207548 Tuned circuits
05/1980
05/28/1980EP0011185A1 Microwave moisture measurement device with commutable measuring range
05/27/1980US4205286 Temperature stabilized helical resonator
05/27/1980US4205281 Ferrite composite circulator
05/06/1980US4201956 Arrangement for the generation and radiation of microwaves
02/1980
02/12/1980US4188600 Cavity resonator having ancillary cylinder for suppressing parasitic mode
01/1980
01/29/1980US4186359 Notch filter network
01/22/1980US4185252 Microstrip open ring resonator oscillators
01/15/1980US4184123 Double-tuned output circuit for high power devices using coaxial cavity resonators
01/08/1980US4182997 Band-pass/band-stop filter for telecommunication system
12/1979
12/18/1979US4179595 Multimodal resonant cavity for very high frequency heating
12/11/1979US4178562 Cavity resonators with frequency-linear tuning
11/1979
11/14/1979EP0005396A1 Hyperfrequency circuit with a resonant cavity equipped with pairs of peripheral diodes
10/1979
10/23/1979US4172240 Cylindrical cavity power combiner for a plurality of coaxial oscillators
09/1979
09/25/1979CA1063190A1 Frequency combining circuit
09/11/1979CA1062345A1 Module for cavity resonance devices
08/1979
08/21/1979CA1060956A1 Yig tuned mixer
07/1979
07/24/1979US4162458 TM coaxial cavity oscillator and power combiner
07/03/1979US4159961 Dielectric and non-magnetic ceramic for high frequency applications
06/1979
06/05/1979US4157517 Adjustable transmission line filter and method of constructing same
05/1979
05/29/1979US4156860 Temperature compensation apparatus for a resonant microwave cavity
05/22/1979CA1055173A1 Radio frequency tuner
04/1979
04/10/1979US4149126 Diode and dielectric resonator microwave oscillator
03/1979
03/13/1979US4144434 Microwave heating devices
03/06/1979US4143344 Microwave band-pass filter provided with dielectric resonator
02/1979
02/27/1979US4142164 Dielectric resonator of improved type
02/06/1979US4138652 Dielectric resonator capable of suppressing spurious mode
01/1979
01/23/1979US4136320 Method of constructing dielectric resonator unit and dielectric resonator unit produced thereby
01/02/1979US4132965 Band-pass filter constructed from concentrically arranged coaxial resonator cavities
12/1978
12/20/1978EP0000020A1 Apparatus for measuring the water content of isotropic materials with the aid of microwave absorption
12/12/1978US4129842 U-shaped microstrip resonant circuit
12/12/1978CA1044372A1 Hyperfrequency resonant system for accelerating a charged particle beam and a microton equipped with such a system
11/1978
11/28/1978US4127834 Temperature compensating apparatus for microwave oscillators and the like
11/28/1978US4127452 Niobium-tin
11/28/1978US4126932 Structure and process for millimetric wave sources integrated in a radial waveguide
11/07/1978US4124830 Waveguide filter employing dielectric resonators
10/1978
10/24/1978US4122418 Composite resonator
10/17/1978US4121182 Electrical tuning circuit
10/17/1978US4121173 Arrangement for automatically controlling the frequency of a hyperfrequency generator feeding a resonant element subjected to fluctuations in temperature
09/1978
09/26/1978US4115916 AC Superconducting articles and a method for their manufacture
09/19/1978CA1038943A1 Interspersed double winding helical resonator with connections to cavity
07/1978
07/18/1978US4101854 Tunable helical resonator
06/1978
06/27/1978US4097826 Insular waveguide ring resonator filter
05/1978
05/23/1978US4091343 Insular waveguide directional coupler
05/02/1978US4087768 Module for cavity resonance devices
04/1978
04/25/1978US4086535 Microwave oscillator
03/1978
03/28/1978US4081573 Method for preparing superconductive Nb3 Sn layers on niobium surfaces for high-frequency applications
02/1978
02/07/1978US4072902 Receiver module and mixer thereof
01/1978
01/24/1978US4070627 Double tuned input circuit for television transmitter amplifier
01/03/1978US4066988 Electromagnetic resonators having slot-located switches for tuning to different frequencies
12/1977
12/06/1977US4061992 Helical resonator filter
12/06/1977US4061990 Frequency combining circuit
11/1977
11/29/1977US4060693 AC superconducting articles
11/22/1977US4059815 Coaxial cavity resonator
11/08/1977US4057772 Thermally compensated microwave resonator
10/1977
10/18/1977US4054875 Microwave circuit for operating on microwave radiations
10/11/1977US4053856 Quasi-toroidal inductor and resonator
10/04/1977US4052684 Helical resonator
09/1977
09/13/1977US4048597 Planar printed circuit board arrangement useful in the uhf portion of a television tuner
09/13/1977US4048589 Receiver module and components thereof
08/1977
08/02/1977US4039982 Coaxial cavity radio frequency tuning circuit having a toroidal-shaped electrode to effect tuning
07/1977
07/12/1977US4035749 Microwave tuning screw assembly having positive shorting
07/05/1977US4034320 High power coaxial cavity resonator tunable over a broad band of frequencies
06/1977
06/07/1977US4028652 Dielectric resonator and microwave filter using the same
06/07/1977US4028643 Waveguide having strip dielectric structure
05/1977
05/24/1977US4025882 UHF tuner having frequency setting fine toned by varying characteristic impedance of resonant line
05/17/1977US4024481 Frequency drift compensation due to temperature variations in dielectric loaded cavity filters
04/1977
04/26/1977US4020428 Stripline interdigital band-pass filter
04/19/1977US4019161 Temperature compensated dielectric resonator device
04/05/1977US4016506 Dielectric waveguide oscillator
03/1977
03/15/1977US4012293 Method for the manufacture of AC superconducting articles
02/1977
02/15/1977US4008446 Microwave oscillation device whose oscillation frequency is controlled at the resonance frequency of a dielectric resonator
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