Patents for H01P 7 - Resonators of the waveguide type (6,314)
12/1997
12/24/1997CA2257906A1 Integrated filter
12/23/1997US5701104 Radio-frequency oscillator of planar design
12/23/1997US5700745 Oxides of zirconium and titanium, atleast one oxide selected from magnesium, cobalt, zinc, nickel and manganese, atleast one oxide from niobium and tantalum, and atleast one oxide from barium, strontium, calcium, bismuth and tungsten
12/17/1997CN1168000A Actuator
12/10/1997EP0812025A1 Multi-layer thin-film electrode, high-frequency transmission line, high-frequency resonator, and high-frequency filter
12/10/1997EP0752171B1 Planar-construction high-frequency oscillator
12/10/1997CN1167346A Medium wave filter
12/09/1997CA2121744C Tandem cavity thermal compensation
12/04/1997WO1997045890A2 Stripline resonator using high-temperature superconductor components
12/02/1997US5694134 Incorporating continuously variable phase delay transmission lines which provide for steering antenna beam
11/1997
11/27/1997WO1997044852A1 Resonators for high power high temperature superconducting devices
11/27/1997DE19633245C1 High mode microwave resonator for high temperature treatment of materials
11/27/1997DE19619585A1 Planar HF resonator with superconductor micro structure
11/27/1997CA2255648A1 Resonators for high power high temperature superconducting devices
11/26/1997EP0808515A1 Device for filtering frequency
11/25/1997US5691675 Resonator with external conductor as resonance inductance element and multiple resonator filter
11/25/1997US5691602 Multiple cavity klystron
11/18/1997US5689221 Radio frequency filter comprising helix resonators
11/18/1997US5688732 Dielectric ceramic compositions for microwave
11/13/1997WO1997042679A1 Dual mode microwave band pass filter made of high quality resonators
11/13/1997CA2252659A1 Dual mode microwave band pass filter made of high quality resonators
11/12/1997EP0806807A2 Coaxial filter
11/11/1997US5686874 Temperature-compensated combiner
11/06/1997WO1997041616A1 Dielectric and superconductor resonant structure
11/04/1997US5684440 Plane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated
11/04/1997US5683790 Resonators, filters
10/1997
10/29/1997CN1163678A Dielectric filter and producing method therefor and package member obtained by packaging filter
10/28/1997US5682128 Superconducting reentrant resonator
10/22/1997CN1162865A Field effect transistor amplifier
10/22/1997CN1162849A Dielectric integrated nonradiative dielectric waveguide superconducting band-pass filter apparatus
10/21/1997US5680080 Dielectric resonator device with openings covered by printed circuit boards and conductive plates contacting the printed circuit boards
10/16/1997WO1997038427A1 Distributed device for differential circuit
10/16/1997DE19617698C1 Dual-mode-Zweipolfilter Dual-mode two-pole
10/14/1997US5677654 Dielectric resonator having plural frequency-adjusting discs
10/14/1997US5677653 Combined coarse and fine dielectric resonator frequency tuning mechanism
10/14/1997US5677652 Microwave ferrite resonator with parallel permanent magnet bias
10/08/1997EP0799505A1 Resonator resonant frequency tuning
10/02/1997WO1997036342A1 Mounting of dielectric resonators
10/02/1997CA2250261A1 Mounting of dielectric resonators
10/01/1997EP0417205B1 High performance extended interaction output circuit
09/1997
09/24/1997EP0797297A2 Field effect transistor amplifier
09/24/1997EP0797266A2 Dielectric filter and method of making same
09/17/1997EP0795208A1 Electromagnetic resonant filter
09/17/1997CN1159662A Medium wave filter
09/10/1997CN1159254A Method for tuning summing network of base station
09/03/1997EP0793288A2 Dielectric integrated nonradiative dielectric waveguide superconducting band-pass filter apparatus
08/1997
08/27/1997CN1158015A Crack waveguide mode Doppler high-frequency assembly
08/26/1997US5661441 Dielectric resonator oscillator and method of manufacturing the same
08/20/1997EP0790662A1 Surface-mount-type antenna and communication equipment using same
08/20/1997EP0790661A2 Dielectric resonator
08/20/1997EP0790659A1 Dielectric filter
08/20/1997CN1157670A Method for tuning summing network of base station and bandpass filter
08/19/1997US5659275 TM dual mode dielectric resonator apparatus with a method for adjusting the coupling coefficients
08/19/1997US5659274 Strip dual mode filter in which a resonance width of a microwave is adjusted
08/13/1997EP0789417A1 Dielectric resonator
08/13/1997EP0789413A1 Dielectric filter, production method therefor and package member obtained by packaging the filter
08/13/1997CN1157060A HF stripline Resonator
08/07/1997WO1997028440A1 Microwave cavity resonator for continuous spectroscopic gas analysis
08/06/1997EP0788184A2 Cavity coupler actuator
08/06/1997EP0788181A2 Multi-mode cavity for waveguide filters, including an elliptical waveguide segment
08/06/1997EP0788180A2 Multi-mode cavity for waveguide filters
08/06/1997EP0787362A1 Concentrated component and a high-frequency circuit containing such a component
08/05/1997US5654681 Laminated dielectric resonator and dielectric filter
07/1997
07/30/1997EP0786822A2 Thin-film multilayered electrode, high-frequency resonator, and high-frequency transmission line
07/29/1997US5652556 Whispering gallery-type dielectric resonator with increased resonant frequency spacing, improved temperature stability, and reduced microphony
07/23/1997EP0785593A1 Dielectric resonator construction and dielectric filter with reduced physical length
07/23/1997EP0785592A1 A dielectric resonator structure providing harmonic attenuation
07/23/1997EP0785591A2 Variable-frequency resonator, variable-frequency oscillator, and variable-frequency filter
07/22/1997US5650368 Dielectric ceramic composition
07/17/1997WO1997025753A1 Method of manufacturing a cavity resonator and cavity resonator
07/08/1997US5646585 Tunable cavity resonator for a multi-cavity klystron
07/03/1997WO1997023430A1 Improved sintered materials
07/02/1997EP0782211A1 Dual-mode cavity filter
07/02/1997EP0781458A2 Method for tuning a summing network of a base station, and a bandpass filter
07/02/1997CN1153426A Laminated resonator and laminated band pass filter using same
07/01/1997US5644275 Laminated dielectric resonator and dielectric filter
06/1997
06/26/1997WO1997023013A1 Arrangements and method relating to switching/multiplexing
06/26/1997WO1997023012A1 Arrangement and method relating to filtering of signals
06/24/1997US5642085 TM mode dielectric resonator having coupling holes with voids
06/19/1997WO1997022157A1 Device for filtering frequency
06/19/1997WO1997021911A1 A single mode resonant cavity
06/19/1997WO1997021642A1 Microwave dielectric ceramics composed of barium, neodymium, gadolinium, titanium and bismuth oxides
06/19/1997CA2240399A1 A single mode resonant cavity
06/18/1997EP0778987A1 Method for tuning a summing network of a base station
06/18/1997CN1152214A Tuner circuit having local oscillator circuit including coaxial resonator
06/11/1997EP0777919A1 Hf stripline resonator
06/10/1997US5638037 TM dual mode dielectric resonator and filter utilizing different size resonators
06/04/1997CN1151224A High-frequency circuit element
06/03/1997US5635885 Resonator shell construction
05/1997
05/29/1997WO1997019486A1 Microwave resonator, method of producing such a resonator and method of compensating the temperature coefficient of the resonant frequency of a microwave resonator
05/22/1997DE19543179A1 Mikrowellenresonator, Verfahren zur Herstellung eines solchen Resonators sowie Verfahren zur Kompensation des Temperaturkoeffizienten der Resonanzfrequenz eines Mikrowellenresonators A microwave resonator, process for the preparation of such a resonator, and methods for compensation of the temperature coefficient of resonant frequency of a microwave resonator
05/21/1997EP0774797A2 Laminated resonator and laminated band pass filter using same
05/13/1997US5629266 Electromagnetic resonator comprised of annular resonant bodies disposed between confinement plates
05/07/1997EP0772255A1 Multiband antenna with a distributed-constant dielectric resonant circuit, and multiband portable radio apparatus comprising such an antenna
05/06/1997US5627497 Resonator package for atomic frequency standard
04/1997
04/29/1997US5625330 Resonator coupling device with a rotatable ring for adjusting the loaded Q
04/29/1997CA2071817C High-frequency voltage controlled oscillator
04/24/1997WO1997015059A1 Trimmable multi-terminal capacitor for a voltage controlled oscillator
04/23/1997EP0769823A1 High-frequency circuit element
04/23/1997CN1148280A Micro-wave resonator circuit and the application for lower frequency-changer
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