Patents for H01P 7 - Resonators of the waveguide type (6,314) |
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03/31/1981 | US4259561 Microwave applicator |
03/31/1981 | CA1098597A1 Solid state power combiner for transmitter |
03/17/1981 | US4257020 Piezoelectric resonator |
03/17/1981 | CA1097755A1 Electrical tuning circuit |
03/03/1981 | US4254390 Compact electronic tuning device |
02/17/1981 | CA1095996A1 Multimodal resonant cavity for microwave heating apparatus |
02/03/1981 | US4249149 Ultra high-frequency circuit with resonant cavity equipped with pairs of peripheral diodes |
02/03/1981 | US4249148 Cubical multiple cavity filter and combiner |
02/03/1981 | US4249147 Cavity filter and multi-coupler utilizing same |
01/07/1981 | EP0021878A1 Magnetostatic wave device comprising attenuating means, and process for its manufacture |
01/06/1981 | US4243961 Apparatus for selecting the resonance frequency of a microwave device comprising a plurality of cavities |
01/06/1981 | US4243697 Hexagonal barium hexaferrate single crystals grown on spinel substrate |
12/30/1980 | US4242685 Slotted cavity antenna |
12/30/1980 | US4242213 Dielectric ceramic compositions based on magnesium, calcium and rare earth metal titanates |
12/23/1980 | US4241322 Compact microwave filter with dielectric resonator |
11/12/1980 | EP0018476A1 Crossed slot cavity antenna |
10/28/1980 | US4231001 Constant resistance coupling network |
09/17/1980 | EP0015610A1 Microwave image-frequency reflecting filter and microwave receiver comprising such a filter |
08/19/1980 | CA1084128A1 Array of directional filters |
07/22/1980 | US4214218 Impedance matched tuning device having image trapping circuit |
07/22/1980 | US4214217 Electronic tuning circuit having image trapping element |
07/22/1980 | CA1082364A1 Arrangement for automatically controlling the frequency of a hyperfrequency generator feeding a resonant element subjected to fluctuations in temperature |
07/15/1980 | CA1081807A1 Device provided with a band-pass filter constructed from coaxial resonator cavities |
07/08/1980 | US4211987 Cavity excitation utilizing microstrip, strip, or slot line |
07/08/1980 | US4211984 Oscillating circuit arrangements for high frequency industrial generators |
07/08/1980 | US4211970 Apparatus for determining the water content of isotropic materials |
07/01/1980 | US4210884 Helical resonator band pass filter with novel coupling means |
06/24/1980 | CA1080313A1 Coaxial cavity resonator |
06/10/1980 | US4207548 Tuned circuits |
05/28/1980 | EP0011185A1 Microwave moisture measurement device with commutable measuring range |
05/27/1980 | US4205286 Temperature stabilized helical resonator |
05/27/1980 | US4205281 Ferrite composite circulator |
05/06/1980 | US4201956 Arrangement for the generation and radiation of microwaves |
02/12/1980 | US4188600 Cavity resonator having ancillary cylinder for suppressing parasitic mode |
01/29/1980 | US4186359 Notch filter network |
01/22/1980 | US4185252 Microstrip open ring resonator oscillators |
01/15/1980 | US4184123 Double-tuned output circuit for high power devices using coaxial cavity resonators |
01/08/1980 | US4182997 Band-pass/band-stop filter for telecommunication system |
12/18/1979 | US4179595 Multimodal resonant cavity for very high frequency heating |
12/11/1979 | US4178562 Cavity resonators with frequency-linear tuning |
11/14/1979 | EP0005396A1 Hyperfrequency circuit with a resonant cavity equipped with pairs of peripheral diodes |
10/23/1979 | US4172240 Cylindrical cavity power combiner for a plurality of coaxial oscillators |
09/25/1979 | CA1063190A1 Frequency combining circuit |
09/11/1979 | CA1062345A1 Module for cavity resonance devices |
08/21/1979 | CA1060956A1 Yig tuned mixer |
07/24/1979 | US4162458 TM coaxial cavity oscillator and power combiner |
07/03/1979 | US4159961 Dielectric and non-magnetic ceramic for high frequency applications |
06/05/1979 | US4157517 Adjustable transmission line filter and method of constructing same |
05/29/1979 | US4156860 Temperature compensation apparatus for a resonant microwave cavity |
05/22/1979 | CA1055173A1 Radio frequency tuner |
04/10/1979 | US4149126 Diode and dielectric resonator microwave oscillator |
03/13/1979 | US4144434 Microwave heating devices |
03/06/1979 | US4143344 Microwave band-pass filter provided with dielectric resonator |
02/27/1979 | US4142164 Dielectric resonator of improved type |
02/06/1979 | US4138652 Dielectric resonator capable of suppressing spurious mode |
01/23/1979 | US4136320 Method of constructing dielectric resonator unit and dielectric resonator unit produced thereby |
01/02/1979 | US4132965 Band-pass filter constructed from concentrically arranged coaxial resonator cavities |
12/20/1978 | EP0000020A1 Apparatus for measuring the water content of isotropic materials with the aid of microwave absorption |
12/12/1978 | US4129842 U-shaped microstrip resonant circuit |
12/12/1978 | CA1044372A1 Hyperfrequency resonant system for accelerating a charged particle beam and a microton equipped with such a system |
11/28/1978 | US4127834 Temperature compensating apparatus for microwave oscillators and the like |
11/28/1978 | US4127452 Niobium-tin |
11/28/1978 | US4126932 Structure and process for millimetric wave sources integrated in a radial waveguide |
11/07/1978 | US4124830 Waveguide filter employing dielectric resonators |
10/24/1978 | US4122418 Composite resonator |
10/17/1978 | US4121182 Electrical tuning circuit |
10/17/1978 | US4121173 Arrangement for automatically controlling the frequency of a hyperfrequency generator feeding a resonant element subjected to fluctuations in temperature |
09/26/1978 | US4115916 AC Superconducting articles and a method for their manufacture |
09/19/1978 | CA1038943A1 Interspersed double winding helical resonator with connections to cavity |
07/18/1978 | US4101854 Tunable helical resonator |
06/27/1978 | US4097826 Insular waveguide ring resonator filter |
05/23/1978 | US4091343 Insular waveguide directional coupler |
05/02/1978 | US4087768 Module for cavity resonance devices |
04/25/1978 | US4086535 Microwave oscillator |
03/28/1978 | US4081573 Method for preparing superconductive Nb3 Sn layers on niobium surfaces for high-frequency applications |
02/07/1978 | US4072902 Receiver module and mixer thereof |
01/24/1978 | US4070627 Double tuned input circuit for television transmitter amplifier |
01/03/1978 | US4066988 Electromagnetic resonators having slot-located switches for tuning to different frequencies |
12/06/1977 | US4061992 Helical resonator filter |
12/06/1977 | US4061990 Frequency combining circuit |
11/29/1977 | US4060693 AC superconducting articles |
11/22/1977 | US4059815 Coaxial cavity resonator |
11/08/1977 | US4057772 Thermally compensated microwave resonator |
10/18/1977 | US4054875 Microwave circuit for operating on microwave radiations |
10/11/1977 | US4053856 Quasi-toroidal inductor and resonator |
10/04/1977 | US4052684 Helical resonator |
09/13/1977 | US4048597 Planar printed circuit board arrangement useful in the uhf portion of a television tuner |
09/13/1977 | US4048589 Receiver module and components thereof |
08/02/1977 | US4039982 Coaxial cavity radio frequency tuning circuit having a toroidal-shaped electrode to effect tuning |
07/12/1977 | US4035749 Microwave tuning screw assembly having positive shorting |
07/05/1977 | US4034320 High power coaxial cavity resonator tunable over a broad band of frequencies |
06/07/1977 | US4028652 Dielectric resonator and microwave filter using the same |
06/07/1977 | US4028643 Waveguide having strip dielectric structure |
05/24/1977 | US4025882 UHF tuner having frequency setting fine toned by varying characteristic impedance of resonant line |
05/17/1977 | US4024481 Frequency drift compensation due to temperature variations in dielectric loaded cavity filters |
04/26/1977 | US4020428 Stripline interdigital band-pass filter |
04/19/1977 | US4019161 Temperature compensated dielectric resonator device |
04/05/1977 | US4016506 Dielectric waveguide oscillator |
03/15/1977 | US4012293 Method for the manufacture of AC superconducting articles |
02/15/1977 | US4008446 Microwave oscillation device whose oscillation frequency is controlled at the resonance frequency of a dielectric resonator |