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7106152 |
Dielectric resonator, dielectric filter, and method of supporting dielectric resonance element
A dielectric resonator has a metallic casing having an opening, a metallic cover which covers the opening, and a dielectric resonance element having a pair of flat surfaces formed opposite from...
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7102470 |
Dual-band bandpass filter with stepped-impedance resonators
A dual-band bandpass filter with stepped-impedance resonators uses only one circuit to generate dual-band effect. It adopts the principle of stepped-impedance resonator, which contains a connecting...
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7102466 |
Method of reducing switching noise in a power distribution system by external coupled resistive terminators
Voltage fluctuations, especially due to a resonant effect of a power distribution system, result in serious timing skews in a high-speed digital system. Adding extra resistive loadings for coupling...
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7098760 |
Dual mode band-pass filter
A dual mode band-pass filter includes a metallic film for defining a resonator, disposed on the first main surface of a dielectric substrate having first and second main surfaces, or inside of the...
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7099645 |
Multilayer LC filter
A multilayer LC filter includes a terminal layer, and a plurality of capacitor electrode layers laminated together on the terminal layer. An inductor layer is disposed above the capacitor electrode...
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7094720 |
Dielectric ceramic composition and dielectric resonator made from the composition
A dielectric ceramic composition is provided which exhibits a high unloaded quality factor (Q u ) and permits regulation of the relative dielectric constant (ε r ) and the temperature coefficient...
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7095301 |
Resonator device, filter, duplexer and communication device
A resonator device including a plurality of resonance units formed on a dielectric substrate, each resonance unit having a plurality of conductor lines forming a capacitive area and an inductive...
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7091801 |
Micromechanical resonator having a metal layer surrounding a cylinder formed in a base layer
The invention relates to a micromechanical resonator having a bondable resonance body and a method for fabricating a micromechanical resonator for semiconductor components. The invention provides...
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7084720 |
Printed bandpass filter for a double conversion tuner
A printed bandpass filter is mounted on a precision substrate to eliminate the need for post-fabrication tuning. The filter input is capacitively coupled to a series of quarter wavelength...
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7084721 |
RF circuit component
An RF circuit component according to the present invention includes a substrate with a principal surface and a plurality of resonators, including a first resonator, a second resonator and a third...
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7078990 |
RF cavity resonator with low passive inter-modulation tuning element
A tunable RF cavity resonator having reduced generation of passive inter-modulation, the tunable RF cavity resonator including a cavity body, a fixed tuning post at a first end of the cavity body,...
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7075314 |
Method and apparatus for measuring complex dielectric constant of dielectric
An electromagnetic wave is input to a resonator 14 filled with a dielectric and a gas, and a resonance frequency, an insertion loss and a half-power width in the resonance mode of the...
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7075392 |
Microwave resonator and filter assembly
A half wave dielectric resonator assembly including a resonator cavity having a top surface and a bottom surface, an elongated cylindrical dielectric resonator positioned within said resonator...
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7071798 |
Printed bandpass filter for a double conversion tuner
A printed bandpass filter is mounted on a precision substrate to eliminate the need for post-fabrication tuning. The filter input is capacitively coupled to a series of quarter wavelength...
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7068127 |
Tunable triple-mode mono-block filter assembly
The present invention incorporates triple-mode, mono-block resonators that are tunable. Four novel and unobvious methods of tuning are disclosed. The first tuning method is to mechanically grind...
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7057479 |
Dielectric filter
A dielectric filter is provided with a dielectric multilayer structure formed by layering two or more dielectric layers which have different relative permittivities, at least one feeding electrode...
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7056852 |
High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer and communication system
A high-frequency dielectric ceramic composition that has a high Q-factor as well as a large relative dielectric constant, and in which temperature coefficient of the resonant frequency (τ r ) can...
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7057483 |
High-frequency circuit device and high-frequency circuit module
A high-frequency circuit device includes a dielectric member 1 , a shielding conductor 2 surrounding the dielectric member 1 , a support member 3 for fixing and supporting the dielectric...
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7046103 |
Electric filter comprising a plurality of thin film bulk acoustic resonators
An electric filter comprises a plurality of thin film bulk acoustic resonants ( 10, 11 ) arranged in series and in parallel which have electrodes ( 24, 25 ) of different working area (L) and...
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7042314 |
Dielectric mono-block triple-mode microwave delay filter
A delay filter uses the dielectric mono-block triple-mode resonator and unique inter-resonator coupling structure, having smaller volume and higher power handling capacity. The triple-mode...
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7043115 |
Tunable optical filter
A tunable filter having a resonator with a resonant frequency dependent upon a variable gap is provided. The variable gap may be controllably altered by use of an actuator. The resonator is a high...
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7026893 |
Dielectric resonator having a multilayer structure
A multi-layer dielectric resonant device has a dielectric resonator and a microstrip line to be coupled to the dielectric resonator. The dielectric resonator includes a first dielectric layer, a...
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6995636 |
In-band-flat-group-delay type dielectric filter and linearized amplifier using the same
A small in-band-flat-group-delay type dielectric filter having low-loss characteristics with a small amplitude deviation and uniform-group-delay frequency characteristics is obtained, which enables...
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6995635 |
Microstrip line parallel-coupled-resonator filter with open-and-short end
The parallel-coupled-resonator coupled line filter with open-and-short end, comprises an input port for receiving an input signal; a bent first resonator and a bent third resonator where their both...
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6992539 |
Method and apparatus of obtaining balanced phase shift
Disclosed is a method and an apparatus enabling operation of balanced phase shifts providing uniformity that the insertion loss do not show variation with the derived angles in phase shift. The...
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6980841 |
Filter device having spiral resonators connected by a linear section
A resonator is formed by forming a microstrip line having an electrical length corresponding to a λ/2 wavelength on a dielectric substrate, forming both side portions of the microstrip line from...
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6977564 |
Bandpass filter
A bandpass filter includes a dielectric substrate, a resonator electrode that is provided on a portion of a plane at an intermediate height in the thickness direction of the dielectric substrate so...
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6975181 |
Dielectric resonator loaded metal cavity filter
A new type of dielectric resonator loaded metal cavity filters that are compact and resonate only the desired frequency, along with a method of making such filters. The more compact dielectric...
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6975186 |
Filter circuit
This invention is a filter circuit provided in a radio communication module. First to third conductor patterns ( 8 to 10 ) having a length shorter than λ/4 of a passing wavelength λ and...
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6972645 |
Resonator, filter, communication apparatus
A conductive film is provided on a dielectric substrate. The conductive film has conductor opening portions, which serve as inductive regions, and a conductor opening portion, which serves as a...
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6970058 |
L-C type filter module and helical filter made up of at least two such modules
An L-C type filter module comprising at least two capacitors and at least one inductor. Each of the capacitors consists of a first elongated element made of conductive material partially fitted in...
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6965283 |
Dielectric resonator device, communication filter, and communication unit for mobile communication base station
A dielectric resonator device includes two dielectric resonators resonating in first and second resonant modes and a partitioning plate which partitions the two dielectric resonators. Slits S are...
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6965284 |
Dielectric filter, antenna duplexer
A dielectric filter includes resonator electrodes, an inter-stage coupling capacitor electrode, and an input/output coupling capacitor electrode on dielectric substrates, respectively. The...
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6963259 |
High efficiency resonant line
The present invention relates to a circuit for processing radio frequency signals. The resonant circuit includes a substrate. The substrate can be a meta material and can incorporate at least one...
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6960968 |
Planar resonator for wireless power transfer
A planar resonator and method of manufacture provides contactless power transfer using at least two electrically isolated axis aligned conductive across the transfer interface in a coupled inductor...
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6958667 |
Electronic chip component
A band-pass filter functioning as a electronic chip component includes a chip having upper and lower surfaces, a pair of side surfaces, and first and second end surfaces facing each other. A...
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6954124 |
High-frequency circuit device and high-frequency circuit module
A high-frequency circuit device includes a dielectric member 1 , a shielding conductor 2 surrounding the dielectric member 1 , a support member 3 for fixing and supporting the dielectric...
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6946933 |
Dielectric loaded cavity for high frequency filters
The dielectric loaded cavity for high frequency filters consists of a metal container housing s dielectric block held in position by supporting plates, that also sustains coupling and tuning...
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6943651 |
Dielectric resonator device, high frequency filter, and high frequency oscillator
A dielectric resonator device includes a dielectric substrate. Electrode films are formed on the front and back surfaces of the dielectric substrate, respectively. A TE010-mode resonator is...
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6943644 |
Resonator, filter, duplexer, and communication apparatus
Ring-shaped resonant elements include respectively conductor lines 2 a, 2 b , and 2 c each formed on a substrate 1 along a full one turn of circumferential length of a ring. Each of the...
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6941650 |
Method for manufacturing 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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6940371 |
High frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication device
A high frequency dielectric ceramic composition includes: as a major component a composition which contains a rare earth element (Re), Al, Sr, and Ti as metal elements and has a composition formula...
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6937118 |
High-frequency circuit device, resonator, filter, duplexer, and high-frequency circuit apparatus
A high-frequency circuit device serving as a resonator includes a substrate and an electrode film which is formed on the surface of the substrate and which includes a conductive film and a...
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6933811 |
Resonator and high-frequency filter
The resonator of the present invention includes a cylindrical dielectric and a conductor film covering the surface of the dielectric in close contact therewith. The conductor film is constructed of...
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6934569 |
Elliptical resonators with radial current mode and radio frequency filter formed therefrom
A resonator for use in a radio frequency filter including a substantially planar resonant portion that is substantially elliptical in plan. The resonant portion is mounted on a dielectric...
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6933812 |
Electro-ferromagnetic, tunable electromagnetic band-gap, and bi-anisotropic composite media using wire configurations
An artificial electro-ferromagnetic meta-material demonstrates the design of tunable band-gap and tunable bi-anisotropic materials. The medium is obtained using a composite mixture of dielectric,...
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6930571 |
Dielectric filter, dielectric duplexer, and communication apparatus
A dielectric filter includes a dielectric block having a plurality of through holes; an outer conductor provided on an outer surface of the dielectric block; and inner conductors provided on inner...
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6919783 |
Tunable microwave magnetic devices
A device responsive to an electromagnetic signal includes a conductor for conducting the electromagnetic signal, a magnetic structure disposed proximate the conductor to enable gyromagnetic...
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6911882 |
High-frequency module, transmitter-receiver, and method of adjusting characteristic of the high-frequency module
A high-frequency module includes a dielectric plate in which a resonator is formed and a cover for covering the dielectric plate. A hole is provided in the cover. A laser beam for laser trimming...
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6909339 |
Mounting structure of dielectric filter, dielectric filter device, mounting structure of dielectric duplexer, and communication device
An excitation hole is provided inside a dielectric block and, on the outer surface of the dielectric block, an input-output terminal electrically connected to an inner conductor inside the...
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