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7589470 |
Method and apparatus for producing plasma
A method and apparatus for producing a distributed plasma at atmospheric pressure. A distributed plasma can be produced at atmospheric pressure by using an inexpensive high frequency power source...
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7583165 |
High Q cavity resonators for microelectronics
A cavity resonator is provided which includes a shielded enclosure enclosing a volume and a unitary conductor disposed within the volume, the unitary conductor having a first inductor portion and a...
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RE40890 |
Temperature compensated high power bandpass filter
A bandpass filter makes use of at least one waveguide cavity that is thermally compensated to minimize drift of a resonant frequency of the cavity with thermal expansion of cavity components. The...
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7570137 |
Monolithic microwave integrated circuit (MMIC) waveguide resonators having a tunable ferroelectric layer
A ferroelectric loaded waveguide resonator capable of operation at microwave, millimeter-wave and higher frequencies and suitable for integration into a three-dimensional monolithic microwave...
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7515013 |
Rectangular waveguide cavity launch
An apparatus and method relating to a rectangular waveguide cavity launch are disclosed that enable coupling an electromagnetic wave from the top surface of a waveguide distribution network formed...
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7449979 |
Coupled resonator filters formed by micromachining
A resonator filter assembly is provided having a first wafer ( 102 ), a second wafer ( 104 ) and a third wafer ( 106 ). A plurality of pits are etched in the first and second wafer ( 102, 104 ) and...
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7439829 |
RF module
The present invention provides an RF module capable of converting electromagnetic waves in the TE mode to balanced electromagnetic waves in the TEM mode without adjustment and outputting the...
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7307581 |
Mounting structure of high-frequency semiconductor apparatus and its production method
In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said...
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7230218 |
Microwave or radio frequency device including three decoupled generators
A microwave or radio frequency device including an applicator for receiving an object to be processed, and a plurality of generators supplying power to the applicator via propagation guides....
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7208710 |
Uniform microwave heating method and apparatus
A method and apparatus for creating uniform heating of an microwave absorptive target. A circularly polarized waveguide mode is created that promotes uniform heating of the microwave absorptive...
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7196598 |
Dielectric waveguide filter with inductive windows and coplanar line coupling
The present invention provides a filter exhibiting excellent filter characteristics and having less number of stages. A dielectric substrate ( 1 ) has one surface connected to a top conductor ( 2 )...
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7167065 |
Filter circuit
A filter circuit has a complex block and exciting portions. The complex block has: a first block end resonator; a first resonator that is coupled to the first block end resonator; a second...
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7148766 |
Transition between a microstrip circuit and a waveguide including a band stop filter and outside transmission reception unit incorporating the transition
The invention proposes a transition between a microstrip technology circuit and a waveguide, the waveguide being furnished with a probe linked electrically to the microstrip circuit. The transition...
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7132905 |
Input/output coupling structure for dielectric waveguide having conductive coupling patterns separated by a spacer
Disclosed is an input/output coupling structure for coupling a printed circuit board with a dielectric waveguide having a dielectric body and a conductive film covering the dielectric body. The...
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7122772 |
Microwave resonator and method of operating microwave resonator
In an even numbered polygonal microwave resonator wherein a high mode microwave mode is formed and in the resonator volume a homogeneous field distribution is established for the thermal processing...
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7113060 |
Dielectric waveguide filter with inductive windows and coplanar line coupling
A dielectric waveguide tube band-pass filter assuming lower characteristic change upon mounting, and having smaller dimensions and lower loss. Conductor layers ( 2 a , 2 c ) are formed on the top...
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7064633 |
Waveguide to laminated waveguide transition and methodology
One embodiment of the present invention includes a structure that defines at least a transition interior, the structure including electrically-conductive materials, the structure defining first and...
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6977560 |
Input/output coupling structure for dielectric waveguide resonator
Disclosed is an input/output coupling structure for a dielectric waveguide resonator to be mounted on a printed circuit board, which comprises; a region defined in the printed circuit board and...
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6963305 |
Electromagnetic coupler system
This invention makes it possible to communicate through solid non-metallic walls or ceilings with low microwave power levels. RF beam forming couplers are driven by common networks. For connection...
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6960747 |
Microwave applicator system
A microwave applicator for heating loads being a waveguide transition between the rectangular TE 10 and TE 20 modes comprising a TE 10 mode section and a TE 20 mode section. The location of the...
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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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6924718 |
Coupling probe having an adjustable tuning conductor
A filtering system with a probe for coupling two resonators includes an iris having the probe disposed therein coupled between the two resonators. The probe has a transverse opening for receiving a...
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6919782 |
Filter structure including circuit board
A cavity filter assembly is provided with at least one structural cavity wall comprising a circuit board. The circuit board may also contain other circuits and circuit elements such as trim...
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6864763 |
Tunable coupling iris and method
A plate has an iris defined by an aperture, and a rod extending radially outward from the iris through the plate. The rod is radially adjustable and a sleeve is disposed on the rod, for tuning the...
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6806791 |
Tunable microwave multiplexer
The invention is related to the field of tunable multiplexers. It consists of a tunable microwave multiplexer comprising a plurality of channel filters coupled to a combining/dividing mechanism....
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6778041 |
Millimeter wave module and radio apparatus
A millimeter wave module includes a silicon substrate with first and second cavityes formed by anisotropic etching on the silicon substrate, and a glass substrate having a microstrip filter pattern...
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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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6759929 |
Coupling loop housed in a dielectric part
The present invention relates to a device ( 1 ) for transmitting or receiving electromagnetic waves in a cavity ( 3 ), where the device comprises a loop ( 10 ) and a dielectric part ( 9 ) that...
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6657515 |
Tuning mechanism for a superconducting radio frequency particle accelerator cavity
A tuning mechanism for a superconducting radio frequency particle accelerator cavity, wherein the cavity comprises a number of axially aligned cells held by a frame, with at least one active cell...
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6657214 |
Shielded enclosure for testing wireless communication devices
A test system having a shielded enclosure and common air interface for testing the transmit and receive functionality of wireless communication devices such as mobile phones. A test system...
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6642818 |
Loop coupled microwave cavity
A loop coupled microwave cavity, which uses a cylindrical cavity as the main body and has a lock hole on the top of the cavity in order to connect to a loop-coupling end formed by bending the long...
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6624723 |
Multi-channel frequency multiplexer with small dimension
A multi-channel multiplexer has a substantially square shape and includes an N×N matrix with a common resonator. A plurality of input/output ports are connected to a common input/output port via...
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6583692 |
Multiple passband filter
A filter that produces a multiple passband response as a single device. The multiple passband filter has a plurality of poles concentrated in a desired passband of the filter. A plurality of zeroes...
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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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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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6466111 |
Coupler for resonant cavity
A coupler for coupling RF electromagnetic energy into or out of a resonant cavity of the type which includes a control post.
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6426681 |
High power adjustable RF coupling loop
A high power adjustable rf coupling loop which is used to interface a transmission line to a resonant cavity is described. The coupling loop is made entirely of metallic parts and therefore is...
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6411182 |
Cavity resonator for reducing phase noise of voltage controlled oscillator and method for fabricating the same
A cavity resonator for reducing the phase noise of microwaves or millimeter waves output from a monolithic microwave integrated circuit (MMIC) voltage controlled oscillator (VCO) by using silicon...
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6404307 |
Resonant cavity coupling mechanism
A coupling mechanism for coupling adjacent cavities which includes a window having side walls joining two cavities and a coupling member extending into said window between said side walls. The...
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6392506 |
Receive/transmit multiple cavity filter having single input/output cavity
A receive/transmit multi-cavity filter having input and output filter sections coupled to an antenna by a single cavity.
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6377132 |
Filter, duplexer, and communication device
A filter includes a dielectric resonator, a cavity for holding the dielectric resonator therein, an external connector mounted on the cavity, and a coupling loop connected to the external connector...
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6356172 |
Resonator structure embedded in mechanical structure
An assembly for supporting a substrate of an integrated circuit and forming a cavity resonator with the substrate. The assembly includes a baseplate in which a cavity for the cavity resonator is...
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6356171 |
Planar general response dual-mode cavity filter
An electromagnetic cavity filter is formed by at least two cavities having electrically conductive walls. Each cavity is the equivalent of two filter poles because two orthogonal modes of...
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6333496 |
Microwave feeding of an oven cavity
A device and a method for microwave feeding of an oven cavity by means of a coupling slot (1) which is fed by a waveguide. The a-dimension of the waveguide is significantly larger than the...
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6329889 |
Coupling element and high-frequency filter
To realize electromagnetic couplings in a high-frequency filter a coupling element (100) comprises a first conductor (201), which has a first end (102) and a second end (103), and an insulating...
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6304160 |
Coupling mechanism for and filter using TE011 and TE01δ mode resonators
A cavity-coupled microwave filter that uses TE 011 and TE 01 δ mode resonators. The cavity-coupled microwave filter includes an input port, a first resonator having a first opening, wherein the...
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6274984 |
High-frequency energy supply means, and a high-frequency electrodeless discharge lamp device using side resonator coupling
A high-frequency energy supply device has a group of side resonators which are electrically connected in a practically annular form, and supply high-frequency energy using resonant high-frequency...
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6255917 |
Filter with stepped impedance resonators and method of making the filter
A filter including first and second resonators and a coaxial cable connecting the resonators. Also, a filter including a housing and stepped impedance resonators wherein the high impedance portions...
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6239673 |
Dielectric resonator filter having reduced spurious modes
A dielectric resonator filter operating in a magnetic dipole mode includes a plurality of dielectric resonators disposed in a plurality of dielectric resonator cavities. A plurality of coupling...
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6222432 |
Quarter-wave coaxial cavity resonator
In a quarter-wave coaxial cavity resonator, having a cavity with a cylinder inner wall (1), and bottom (3) and top (4) walls and a symmetry axis (2) with a resonator bar (5), a high coupling degree...
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