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6781487 |
Multimode dielectric resonator device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication device
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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6774744 |
Dielectric filter, dielectric duplexer, and communication device
A dielectric filter that has attenuation poles on both the low frequency side and the high frequency side of its pass band, without using two dielectric resonators. The dielectric filter includes a...
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6771147 |
1-100 GHz microstrip filter
A high frequency filter design for the GHz frequency range is provided. The high frequency filter comprises at least a microstrip design that incorporates both transverse and lateral couplings...
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6765460 |
Dielectric laminated device including a buried electric conductive member to form a strip line and its method of manufacture
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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6765459 |
Laminated dielectric resonator and laminated dielectric filter
A space is defined in a portion of an overlapping region where an open end portion of a resonant electrode and an inner-layer ground electrode, of a dielectric layer which is interposed between the...
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6762658 |
Dielectric resonator and dielectric filter
A dielectric resonator ( 10 ) having three surfaces formed by chamfering three ridged portions sharing an apex of a dielectric block and another three surfaces adjacent respectively thereto, in...
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6756335 |
Dielectric porcelain and resonator using the same
The dielectric porcelain of the present invention comprises a polycrystalline material of which a main component comprises oxides containing at least a rare earth element (Ln), Al, M (M represents...
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6756857 |
Planar circuit
A planar circuit has a substrate, a planar circuit conductor disposed on a first main surface of the substrate, a ground conductor disposed on a second main surface of the substrate for creating a...
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6756865 |
Resonator device, filter, duplexer, and communication apparatus using the same
A multi-mode resonator device can be reduced in size even while increasing the number of resonators while including either a semi-coaxial resonator or a coaxial resonator. Coupling between a TEM...
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6737937 |
Microwave filter and a telecommunication antenna including it
A microwave filter includes at least two dielectric resonators, a transmission microstrip, and at least one lateral microstrip constituting a branch connected to the transmission microstrip. Each...
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6731960 |
Dual operation mode all temperature filter using superconducting resonators with superconductive/non-superconductive mixture
A dual operation mode all temperature filter is provided. The dual operation mode filter is provided with a housing defining at least two cavities, an input port and an output port. It is also...
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6727785 |
High efficiency single port resonant line
A printed circuit for processing radio frequency signals. The printed circuit includes a substrate. The substrate can be a meta material and can include at least one dielectric layer. The...
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6727766 |
Oscillator with dielectric resonator and electronic apparatus using the same
A dielectric substrate, a transistor, which is an active device, a varactor diode, which is a frequency-variable device, are mounted on one main surface of a package substrate to configure an...
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6727783 |
Method of producing band-pass filter and band-pass filter
A method of producing a band-pass filter includes selecting the shape of a metallic film and the connection points of input-output coupling circuits such that first and second resonance modes are...
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6727775 |
Ferrite crystal resonator coupling structure
Single and multiple ferrite crystal resonator, oscillator, and filter coupling structures are disclosed. In one embodiment, a single ferrite crystal resonator coupling structure is configured as a...
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6720833 |
Modulator and oscillator for microwave and milliwave use
The present invention provides a modulator which has a high degree of modulation and a good modulation sensitivity. The modulator comprises an oscillating circuit and a resonator portion, and this...
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6720849 |
High frequency filter, filter device, and electronic apparatus incorporating the same
The invention provides a high frequency filter which can facilitate filter-characteristic adjustments and miniaturization and can obtain an excellent broadband characteristic. In addition, the...
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6717492 |
Planar dielectric integrated circuit with line conversion conductor patterns
A planar dielectric integrated circuit is provided such that energy conversion loss between a planar dielectric line and electronic components is small and that impedance matching between them can...
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6717490 |
Dielectrical microwave filter
A dielectric filter has an input and an output for a microwave signal; a rotationally symmetrical single-piece dielectric resonator body that is inducible by a microwave signal to execute...
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6707353 |
Dielectric filter
In order to prevent filter characteristics from being deteriorated due to generation of a spurious pulse is unnecessary resonance at a high level in a passing band at the frequency in a microwave...
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6700459 |
Dual-mode bandpass filter with direct capacitive couplings and far-field suppression structures
A dual-mode resonator comprises a dielectric substrate having a region divided into four quadrants, and a ring resonator forming quadrangularly symmetrical configurations within the four quadrants...
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6677837 |
Dielectric waveguide filter and mounting structure thereof
The present invention provides a dielectric waveguide filter comprising a plurality of dielectric waveguide resonators in the form of rectangular parallelepiped-shaped blocks aligned as a single...
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6674346 |
Evanescent resonators
A evanescent resonator device includes a short-circuited evanescent waveguide and loading capacitor. The evanescent waveguide of the resonator includes a single length of evanescent transmission...
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6670869 |
Bearing device
The invention relates to a bearing device for a spindle, for example, for a dielectric tuner ( 13 ) in a cavity filter for electromagnetic waves. The bearing device comprises at least two sprung...
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6667674 |
NMR resonators optimized for high Q factor
A birdcage resonator has a pair of conductor rings separated from each other along a central axis and a plural number of axially disposed conductor rungs, which extend between the rings and are...
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6664873 |
Tunable resonator
A tunable resonator is provided. The resonator includes a housing having a cavity. A resonator body is disposed adjacent to a first surface within the cavity. A gap is formed between the resonator...
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6656864 |
Dielectric ceramics and dielectric resonator
The present inventions provides a dielectric ceramic comprising an oxide containing, as a metal element, at least a rare earth element (Ln), Al, M (M is Ca and/or Sr) and Ti, and at least part of...
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6653914 |
RF strip line resonator with a curvature dimensioned to inductively cancel capacitively caused displacements in resonant frequency
In order to compensate changes in the resonant frequency of the resonator occurring owing to fluctuations in the distance between the reference distance (d s ) and an actual distance (d s ±Δd s )...
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6650914 |
High frequency super conductive filter
A high frequency filter having steep skirt characteristics using a sapphire R-plane substrate. The filter comprises a substrate having first and second faces. The first face is a sapphire R-plane....
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6649553 |
Dielectric ceramic composition, dielectric ceramic compact and electronic component including the same
A dielectric ceramic composition for radiofrequency applications has a crystalline primary component having a perovskite crystal structure, and an auxiliary component. The crystalline primary...
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6650208 |
Dual-mode resonator
A TE dual-mode resonator is provided. The TE dual-mode resonator has first and second modes. The resonator includes an enclosure having a cavity with an interior surface. The resonator further...
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6636131 |
Method for manufacturing filter using coupling coefficient function
In a method for manufacturing a filter including a plurality of resonators arranged in series, a shape of the resonators and a number of the resonators are determined, so that an amount of...
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6633207 |
Continuous transmission line with branch elements, resonator, filter, duplexer, and communication apparatus formed therefrom
A transmission line, a resonator, a filter, a duplexer, and a communication apparatus efficiently minimize power losses due to edge effects, thereby having superior loss-reduction characteristics....
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6630873 |
Magnetostatic wave filter
A magnetostatic wave filter that includes a ferromagnetic substance stacked on one side of a dielectric substrate, one side of which is grounded, and the filter includes an input section having an...
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6630875 |
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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6624727 |
Resonator, filter, duplexer, and communication device
A resonator includes a hollow dielectric element having a hole therein, a helical line unit including a plurality of helical lines formed in the hole, and a ground electrode formed on an outer...
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6614327 |
Filter apparatus, duplexer, and communication apparatus
A dual-mode resonator including a conductive cavity that houses a conductive bar and a dielectric core through which the conductive bar is inserted duplexes and couples a TEM mode generated by the...
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6608537 |
Band-pass filter
A band-pass filter includes a metal film provided on a dielectric body. The shape and size of the metal film and the coupling points of input-output coupling circuits are selected such that first...
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6608538 |
Small size cross-coupled trisection filter
The present invention relates to a three-order filtering structure. Each resonator includes an inductive portion and a capacitive portion. The inductive portion of the second resonator is folded...
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6603375 |
High Q couplings of dielectric resonators to microstrip line
A configuration for coupling a dielectric resonator to a microstrip transmission line that maintains a relatively high Q value of the dielectric resonator. The dielectric resonator-to-microstrip...
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6603367 |
Voltage controlled oscillators including tunable dielectric devices
A voltage controlled oscillator includes an active element having a first connection point for connection to a voltage source and an output connection point. A tunable resonator including a first...
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6603374 |
Waveguide resonator device and filter structure provided therewith
For fixing a dielectric insert in a waveguide, clamping bodies are provided which contact the dielectric insert on its outer periphery only tangentially. The dielectric insert is fixed in a wave...
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6597264 |
High performance microwave filter
High performance microwave filter with monomode resonators, said filter having a resonant frequency that corresponds to an electromagnetic resonance mode of an hybrid electromagnetic family...
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6580933 |
Frequency stable resonator with temperature compensating layers
A resonator for rf frequencies, especially microwave, in telecommunications systems, with an extremely stable resonant frequency over a desired operating temperature range, of predetermined width...
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6573812 |
Dielectric filter, duplexer, and communication apparatus
A dielectric filter in which a desirable amount of coupling is obtainable, and the positions of an input coupling unit and an output coupling unit can be easily arranged. The dielectric filter...
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6569796 |
Dielectric porcelain composition and dielectric resonator using the same
The present invention is directed to a dielectric ceramic composition exhibiting a high unloaded quality factor and a small variation thereof. The dielectric ceramic composition of the invention...
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6566988 |
Stacked type dielectric resonator
A stacked type dielectric resonator includes a plurality of stripline conductors disposed in a dielectric substrate composed of a plurality of stacked dielectric layers. Ground electrode portions...
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6563403 |
Dual mode band-pass filter
A dual mode band-pass filter includes a dielectric body having first and second main surfaces, a metal film partially disposed on the first main surface of the dielectric body or at a predetermined...
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6563401 |
Optimized resonator filter
The dimensions of a resonator filter comprising at least one puck ( 12, 14 ) in a metal cavity ( 16 ) are calculated by deriving the diameter c and thickness j of the puck, the spacing of the puck...
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6563405 |
Multi-resonator ferrite microstrip coupling filter
A micro-resonator ferrite microstrip coupling filter that has reduced susceptibility to variations in the manufacturing process, as well as from changes due to mechanical or environmental stress,...
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