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7605678 |
Multiple-mode dielectric resonator, dielectric filter, and communication device
A multiple-mode dielectric resonator in which a through hole is formed in a substantially cubic dielectric core so as to pass through opposing surfaces thereof. A conductive support bar is inserted...
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7592886 |
Dielectric porcelain composition and high frequency device using the same
A dielectric porcelain composition of the present invention includes a first component and second component. If the first component is represented by the general formula of xBaO-yNd 2 O 3 -zTiO 2...
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7583167 |
High frequency magnetic thin film filter
A layered microstrip device is described, in which at least two layers of different high internal field/high resonance frequency materials serve as the active elements of the device. The device is...
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7583164 |
Dielectric resonators with axial gaps and circuits with such dielectric resonators
A dielectric resonator with an air (or other dielectric) gap axially interrupting the body of the resonator and circuits employing such resonators. Preferably, the resonator body is conical or a...
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7579836 |
Multi-layer resonator for magnetic resonance applications with the resonator structure itself allowing equal magnitude current during active operation
A resonator for magnetic resonance applications has a conductor element proceeding in an extension direction, that operates with a resonance current at a resonance frequency oscillating therein in...
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7579835 |
Multi-layer resonator for magnetic resonance applications with circuitry allowing equal magnitude current during active operation
A resonator for magnetic resonance applications has a conductor element that extends from a first conductor end to a second conductor end. During operation of the conductor element at a resonance...
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7576628 |
Low-pass filter
A low-pass filter ( 10 ) is provided. The low-pass filter includes an input part ( 100 ), an output part ( 120 ), a high impedance part ( 140 ), a first low impedance part ( 160 ), and a second low...
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7573358 |
Tunable microwave arrangements
The present invention relates to a tunable microwave arrangement ( 10 ) comprising a microwave/integrated circuit device ( 11 ) and a substrate ( 6 ). It comprises a layered structure disposed...
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7573357 |
Coupling lines for a YIG filter or YIG oscillator and method for producing the coupling lines
A coupling conductor for a YIG filter or YIG oscillator, which may be produced from a metallic foil by eroding, laser cutting and/or etching of a metallic foil. The coupling conductor includes at...
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7564399 |
Shielded compartment for mounting a high frequency radar component on a printed circuit board
The shielded mounting module comprises a cover member and a box member . The box member includes a plurality of bosses formed in the bottom surface. Each of the bosses provide an electrical contact...
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7561012 |
Electronic device and filter
A pair of balanced terminals is connected to a pair of interdigital-coupled quarter-wave resonators in an electronic device. This electronic device has a first resonance mode that resonates at a...
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7558608 |
Superconducting device, fabrication method thereof, and filter adjusting method
A superconducting device comprises a dielectric substrate, and a plane-figure type resonator pattern made of a superconductive material and formed on a first face of the dielectric substrate. The...
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7557678 |
Base body for a YIG filter or YIG oscillator
A base element for a YIG band-pass filter or a YIG oscillator is formed from a non-magnetic material and comprises filter chambers, which are formed in the base element, wherein the filter chambers...
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7551046 |
Band pass filter
A band pass filter ( 10 ) mounted on a base plate ( 20 ) includes a loop-step resonator ( 12 ), an input portion ( 100 ), and an output portion ( 150 ). The input portion is electronically...
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7545235 |
Dielectric resonator filter assemblies and methods
A unitary resonator assembly for use in dielectric resonator filters and multiplexers. The unitary resonator assembly comprises a plurality of resonators joined by bridges, where the resonators and...
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7541897 |
Dielectric resonator, voltage-controlled oscillator, and wireless apparatus
A dielectric resonator having a line pattern that includes an electrode gap that defines a signal input/output portion provided on an open side, and a ground portion provided on a short-circuited...
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7541896 |
Stacked resonator and filter
A stacked resonator and a filter are provided which are capable of achieving miniaturization and minimum loss, and also capable of transmitting a balanced signal with superior balance...
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7539369 |
Optical device and manufacturing method thereof
An optical device includes: a substrate side waveguide formed on a substrate; and a plurality of optical elements fixed on the substrate. The substrate side waveguide and an optical element side...
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7538641 |
Fractal and space-filling transmission lines, resonators, filters and passive network elements
A high frequency electromagnetic circuit is disclosed as being patterned on a metallic or superconducting film on top of a dielectric in a plurality of configurations. A part of the circuit such as...
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7538638 |
Resonator, filter, and communication unit
A resonator, a filter, and a communication apparatus that can be easily miniaturized even if the resonant frequency is relatively low are provided. Conductor layers are laminated in the state in...
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7532397 |
Optical material, optical device fabricated therefrom, and method for fabricating the same
In order to make a reflection coefficient in boundary surface between materials to be zero and permeate 100% of a light independent of a polarization direction, an optical device made of an optical...
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7528688 |
Ferrite-piezoelectric microwave devices
Devices for modification of a microwave signal using a magnetically saturated ferrite magnetoelectric device with electrical control are disclosed. The device is useful for microwave resonators,...
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7522022 |
Planar filter, semiconductor device and radio unit
A planar filter has first and second U-shaped open transmission line resonators ( 103, 105 ) and a crank-shaped open transmission line resonator ( 104 ), so that it is possible to decrease an area...
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7518472 |
Transmission line connecting structure and transmission/reception device
A transmission line having a slot line with a slot formed on a front surface electrode on a dielectric substrate, and two such slot lines are positioned with the front surface electrodes separated...
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7515007 |
Integrated dielectric resonator filter and clock extraction device using the same
Provided are an integrated dielectric resonator filter and a clock extraction device using the integrated dielectric resonator filter. The integrated dielectric resonator filter includes: a...
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7512391 |
Self-aligning resonator filter circuit and wideband tuner circuit incorporating same
A self-aligning resonator filter, a self-aligning coupled resonator filter circuit, and a television tuner circuit incorporating the filter and the circuit are disclosed herein. The self-aligning...
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7504912 |
Basic body for a YIG filter with eddy current suppression
A base body for a YIG bandpass filter configured from a non-magnetic metal and including filter chambers, which are configured in the base body and contain YIG elements. Cavities and/or radial...
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7495532 |
Systems and methods for blocking microwave propagation in parallel plate structures
Systems and methods are taught for blocking the propagation of electromagnetic waves in parallel-plate waveguide (PPW) structures. Periodic arrays of resonant vias are used to create broadband high...
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7492243 |
Planar circuit, high-frequency circuit device, and transmission and reception apparatus
A planar circuit having a conductive film on either main surface of a substrate. The conductive film on one of the main surfaces is patterned with two-dimensionally and repeatedly arranged unit...
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7479849 |
Dielectric resonator device, oscillator and transmitter-receiver apparatus
A dielectric resonator device including a circuit substrate with a top surface provided with transmission lines, and a bottom surface provided with a ground electrode; a dielectric substrate with...
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7471170 |
Multilayer stack with compensated resonant circuit
A metallization structure in a multilayer stack, which is arranged at a distance from a ground electrode, is characterized in that the metallization structure has a capacitor electrode and a line...
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7468644 |
Gradient coil arrangement and method for using the same
A gradient coil arrangement generates magnetic field gradients across the main magnetic field of a magnetic resonance imaging system and includes a first conductive member, and a second conductive...
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7466970 |
Arrangement for dividing a filter output signal
An arrangement for dividing the output signal of the antenna filter of a radio receiver to two different paths, such as two parallel low-noise amplifier branches of a base station. The divider...
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7466214 |
Resonator
Inside a multilayer dielectric substrate, there are a spiral-shaped first slot set in a part of a first ground conductor layer and a spiral-shaped second slot in a part of a second ground conductor...
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7459993 |
Resonator, band-pass filter, and duplexer
A resonator, a band-pass filter, and a duplexer are provided. In the resonator, a first electrode is formed of a nonmagnetic conductive material. A ferromagnetic fixed layer is disposed on the...
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7457651 |
Dual mode filter based on smoothed contour resonators
A planar filter has a planar resonator including a conductive region having smoothed contours and supporting a first resonating mode propagating along a first conductive path and a second...
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7453336 |
Coupling structure for cylindrical resonators
A filter module suitable for the filtering of electromagnetic waves includes a dielectric cylindrical resonator and one or more lines that supply or draw off electromagnetic waves to or from the...
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7443271 |
Ring filter wideband band pass filter using therewith
In order to provide a band pass filter for high wavelength which has a wideband, small insertion loss and flat passband and obtains steep attenuation, a plurality of ring filters, in which, an...
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7432786 |
High frequency filter
A high frequency filter incorporates first to third resonators provided inside a layered substrate. The first and third resonators are adjacent to each other and inductively coupled to each other....
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7417518 |
Dielectric resonator
A dielectric resonator is disclosed. In one embodiment, the resonator includes i) a conductive case having a plurality of walls which together define an inner space, ii) a substrate placed at the...
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7411474 |
Printed wiring board assembly with self-compensating ground via and current diverting cutout
A multi-layer printed circuit board includes a first conductive layer including at least one conductor pattern and a plated through hole extending into the first conductive layer and intersecting...
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7403084 |
Microelectromechanical resonator structure, and method of designing, operating and using same
A micromechanical resonator structure including a plurality of straight or substantially straight beam sections that are connected by curved or rounded sections. Each elongated beam section is...
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7397332 |
High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus
A high-frequency dielectric ceramic composition that has excellent dielectric properties, such as a large ε r , a large Q-value, and a small absolute value of τ f , even in a high-frequency...
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7397331 |
Coupling structure, resonator excitation structure and filter for coplanar-waveguide circuit
A coupling structure for coupling to a circuit portion ( 6 ) in a coplanar-waveguide circuit ( 1 ) having ground conductors ( 2, 3 ) at both sides is disclosed. A signal input/output line ( 4 ) is...
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7394334 |
Dielectric resonance apparatus, oscillation apparatus, and transmission/reception apparatus
A substantially circular electrode 3 is arranged on a surface 2 A of a dielectric substrate 2 of a TM010-mode resonator 1 . A coupling line 5 , which extends along a diameter of the...
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7388457 |
Dielectric resonator with variable diameter through hole and filter with such dielectric resonators
In accordance with the principles of the present invention, a dielectric resonator is provided with a longitudinal through hole with a diameter that varies as a function of height of the resonator...
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7385469 |
Integrated microelectronics component for filtering electromagnetic noise and radio frequency transmission circuit comprising same
The integrated microelectronics component comprises an electric conductor forming a transmission line element for a radio frequency electromagnetic wave. This electric conductor is surrounded at...
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7378926 |
Single crystalline magnetic garnet and YIG device
A YIG device comprises a resonator including a YIG element 16 of a single crystalline yttrium iron garnet having a part of yttrium substituted with gadolinium, which is formed in a spherical...
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7378925 |
Dielectric resonator, dielectric resonator frequency adjusting method, and dielectric resonator integrated circuit
An oscillator comprising a dielectric resonator (DR) has a high controllability and reproducibility of coupling between the dielectric resonator (DR) and an oscillation circuit, and an integrated...
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7378924 |
Filter with improved capacitive coupling portion
A filter is provided which comprises a single dielectric, and a line conductor and a ground conductor disposed on the dielectric. The line conductor includes first and second line conductor...
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