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6559741 |
Distributed element filter
A band pass distributed element filter having real and imaginary transmission zeros by sequentially connecting half wavelength microstrip resonators and adding a cross coupling circuit has been...
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6556107 |
Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
A dielectric resonator includes a slot line constructed by providing a slot electrode having a spiral slot at either an external face of a dielectric layer or inside the dielectric layer and a...
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6552627 |
Dielectric filter, composite dielectric filter, dielectric duplexer, dielectric diplexer, and communication apparatus incorporating the same
A dielectric filter, a composite dielectric filter, a dielectric duplexer, a dielectric diplexer, and a communication apparatus, in which isolation between adjacent dielectric filters can be...
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6549094 |
High frequency ceramic compact, use thereof, and method of producing the same
A high frequency ceramic compact includes Al, Ti and Mn as metallic elements and contains substantially no Al 2 TiO 5 phase as determined by X-ray diffraction analysis and is obtained by firing at...
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6549092 |
Resonator device, filter, composite filter device, duplexer, and communication device
In a cavity body, a conductor rod is provided with least one end thereof being electrically connected to the cavity. A dielectric core is disposed in the cavity and the conductor rod extends...
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6549104 |
Tuneable cavity resonator
The invention concerns a tunable cavity resonator that comprises a resonator body ( 2, 3, 4 ) defining a cavity ( 5 ), a tuning plate ( 28 ) whose position with respect to the resonator body ( 2,...
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6549102 |
Quasi dual-mode resonator
A dielectric resonator is provided having a cavity, a dielectric half disk resonator structure structure, and a support for the half disk resonator structure. The support isolates the dielectric...
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6545568 |
Dual-mode band-pass filter
A dual-mode band-pass filter having a greatly reduced size and a high design flexibility, includes a frame-shaped electrode pattern disposed on one surface or inside a dielectric substrate. A pair...
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6545571 |
Tunable HE&ogr &ggr &dgr mode dielectric resonator
A HE 0γδ mode dielectric resonator ( 12 ) includes a cylindrical dielectric disk ( 32 ) having top and bottom ends ( 20, 22 ) spaced apart by a closed curve wall ( 24 ). The dielectric disk ( 32...
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6538536 |
Dielectric resonator oscillator and methods of assembly therefor
A dielectric resonator oscillator (DRO) ( 200 , FIG. 2; 600 , FIG. 6; 900 , FIG. 9 ) includes a dielectric resonator ( 202, 602, 902 ) that is held in a fixed position with respect to the...
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6538534 |
Stacked type dielectric filter
A stacked dielectric filter includes two sets of resonators arranged in a dielectric substrate constructed by laminating a plurality of dielectric layers, in which each of the resonators includes...
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6538526 |
Transmission line connection structure, high frequency module, and communication device
Electrodes having slot patterns, electrodes having strip patterns, or dielectric strips, for example, form transmission lines and resonator patterns on the upper faces of dielectric substrates or...
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6535086 |
Dielectric tube loaded metal cavity resonators and filters
Dielectric tube loaded metal cavity resonators and filters having a dielectric tube resonator extending substantially the full height of the metallic cavity are disclosed herein. The resonators and...
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6535085 |
Resonator
A resonator including a lower substrate having a groove, a dielectric filling the groove, a material film formed on the inner wall of the groove, the material film for preventing the permittivity...
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6535084 |
Method and apparatus for designing an RF coil assembly
A method and system for designing a radio frequency (RF) coil assembly is disclosed herein. The designing scheme or tool includes determining a self inductance by solving analytically or...
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6535089 |
High-frequency circuit device and communication apparatus using the same
A high-frequency circuit device solves problems caused by a spurious mode reflection generated at a part where propagation of a spurious mode wave is prevented, with the result that propagation of...
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6531934 |
Dielectric resonator, dielectric filter, dielectric duplexer, oscillator, and communication device
A dielectric filter comprises a dielectric substrate having two opposing main surfaces on which electrodes are formed. Electrodeless portions are formed in the electrodes on the two main surfaces....
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6529094 |
Dielectric resonance device, dielectric filter, composite dielectric filter device, dielectric duplexer, and communication apparatus
A dielectric resonance device includes a cavity body, a support base disposed inside the cavity body, and a dielectric core supported by the support base. A stepped portion is provided inside the...
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6522225 |
Coupling mechanisms for dielectric resonator loaded cavity filters
A dielectric loaded cavity filter having a housing and a cover and defining at least two adjacent cavities having respective dielectric resonators mounted therein and separated by a transverse...
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6518863 |
Dielectric laminated device and manufacturing method thereof
A dielectric laminated device, has a layered product including a plurality of dielectric layers; and a plurality of strip line conductors arranged in the interior of the layered product, wherein...
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6518857 |
Multimode dielectric resonator apparatus, filter, duplexer, and communication apparatus
A multimode dielectric resonator apparatus is configured such that a TM mode and a TE mode are transformed into multiplex modes, coupling between individual resonant modes can be easily made, and a...
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6515561 |
Connecting structure and frequency adjusting method therein
A connecting structure for high frequency circuits is provided, with which components can be readily replaced, and which does not require high assembly accuracy and is applicable in a broad band....
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6512429 |
Dielectric filter, transmission/reception sharing device, and communication device
Lines for input/output to be respectively coupled with two resonators formed on a dielectric plate, and a coupling line for polarization to be respectively coupled with two resonators which may be...
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6510607 |
Method for forming a dielectric laminated device
By using a method for manufacturing a dielectric laminated device, an opening is formed on a first dielectric sheet, a strip line and an input and output line including an input and output...
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6509810 |
Filter, duplexer, and communication device
A filter and a duplexer in which power loss due to the edge effect in resonator lines, is very effectively suppressed, which allow more reduction in overall size to be achieved, and which have...
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6507254 |
Multimodal dielectric resonance device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication apparatus
A multimode dielectric resonator device is provided in which a dielectric core can be easily disposed in a cavity, a dielectric resonator device comprising resonators in plural stages can be...
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6504444 |
High frequency integrated circuit including an isolator and dielectric filter
Holes are formed in a ceramic substrate before sintering, magnetic parts and dielectric parts are fitted in the holes and the substrate is sintered at a temperature equal to or lower than the...
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6503861 |
Dielectric ceramic composition, method of preparing dielectric ceramic material, and dielectric resonator
There is provided a dielectric ceramic composition wherein a main crystal phase is a perovskite-type crystal phase, comprising a complex oxide which contains, as a metal element, at least a rare...
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6504459 |
Planar coupling of spherical ferrites
A spherical resonator device includes a resonant sphere around which transducers for electrical coupling are metallized layers on a flat surface shaped to provide exposure of a sphere to a quasi...
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6501972 |
Parallel plate microwave devices having tapered current interrupting slots
A microwave device includes a number of parallel-plate resonators that include at least one dielectric substrate and first and second plates arranged on either side of the substrate. At least one...
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6501971 |
Magnetic ferrite microwave resonator frequency adjuster and tunable filter
A magnetic ferrite microwave resonator frequency tunable filter and method for tuning a filter having both a resonator portion and a tuning portion. The resonator portion has an input for receiving...
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6501345 |
Filter, duplexer, and communications device
A filter, duplexer, and a communications device have significantly reduced power loss due to the edge effect, and the coupling structure between a resonator and an input or output terminal does not...
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6496087 |
Multi-mode dielectric resonance devices, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication equipment
A dielectric resonator device comprising resonators small in size, having plural stages, and a dielectric resonator device with a high Qo, in a multimode are provided. A substantially...
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6496089 |
Device for tuning of a dielectric resonator
The present invention relates to a dielectric resonator ( 20 ) comprising a dielectric resonator body ( 30, 40, 50, 60, 70, 80 ), where the resonator body includes at least two resonant elements (...
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6492886 |
Laminated filter, duplexer, and mobile communication apparatus using the same
A laminated filter comprising a plurality of resonator electrodes, an inter-resonator coupling capacitor electrode for coupling adjacent resonators, and two input/output coupling capacitor...
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6487427 |
Dielectric resonator, dielectric filter, dielectric duplexer, and communications device having specific dielectric and superconductive compositions
A compact dielectric resonator of high Qu, in which an electrode formed of an oxide superconducting material is provided on a surface of the dielectric so as to serve as an electrode. A dielectric...
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6483393 |
Method and apparatus of obtaining phase shift using nonreciprocal resonator
Disclosed is a method and two devices for obtaining phase shifts by using a non-reciprocal resonator supporting single-mode operation. As such, wave propagation in the resonator is unambiguous in...
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6484043 |
Dual mode microwave band pass filter made of high quality resonators
The object of the invention is a dual-mode band pass filter consisting of resonators each having a spherically shaped dielectric arranged on at least one high-temperature superconductive film, with...
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6480078 |
Resonating apparatus in a dielectric substrate
A resonating apparatus includes a dielectric resonator on a dielectric supporting substrate, a fluid dielectric membrane which overspreads the dielectric resonator, and a microstrip line which is...
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6476686 |
Dielectric resonator equalizer
An equalizer that couples a dual-mode dielectric resonator to a planar transmission line, creating an all-pass network. Coupling is achieved using circular polarization of the electromagnetic field...
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6476693 |
Metal dielectric composite resonator
A composite resonator ( 10 ) consisting of a conducting metal ( 14 ) and a dielectric material ( 12 ) is used to provide resonant frequencies lower than can be obtained using the same volume of...
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6472955 |
Dielectric resonator, filter, duplexer, and communication device
A dielectric resonator includes a cavity member formed of an electrically conductive material and a dielectric core disposed in the cavity member. The resistance against heat cycle fatigue in...
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6470198 |
Electronic part, dielectric resonator, dielectric filter, duplexer, and communication device comprised of high TC superconductor
In a dielectric resonator, a superconductor is formed on two neighboring surfaces of a cubic dielectric body, and the superconductors formed on each two neighboring surfaces are connected by a...
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6469596 |
Annular composite capacitor/inductor with a switch across the gap
A composite capacitor/inductor assembly has been developed that merges the capacitance utilized for energy storage into the inductor, creating a consolidated electrical component. The composite...
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6466104 |
High-frequency circuit module, filter, duplexer, and communication device
A first electrode layer having a first electrodeless portion is formed on the upper surface of a dielectric plate, a second electrode layer having a second electrodeless portion opposing the first...
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6462634 |
Resonator, in particular for a microwave filter, and a filter including it
A microwave resonator, in particular for a filter, comprising a resonant cavity having positioned therein a plane resonator element, frequency tuning means, and intermode coupling means, the...
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6463308 |
Tunable high Tc superconductive microwave devices
A tunable microwave device has a substrate of a dielectric material which has a variable dielectric constant. At least one superconducting film is arranged on at least parts of the dielectric...
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6456175 |
Helical and coaxial resonator combination
The present invention relates to a resonator assembly ( 1 ) comprising a helix resonator ( 2 ) consisting of a conductor wound as a cylindrical coil, and a housing ( 4 ) at least partly made...
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6456861 |
High frequency low loss electrode having laminated main and sub conductors
A high frequency low loss electrode includes a main conductor and at least one sub-conductors formed along a side of the main conductor. At least one of the at least one sub-conductor has a...
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6448874 |
Resonant line constructed by microstrip line which is easy to be trimmed
This resonant line comprises a plurality of microstrip lines. The length of each of the microstrip lines is set so that the reactance between one end of each of the microstrip lines and the ground...
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