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Class 333/235 - With tuning


Subclass of Class 333 - Wave transmission lines and networks
Definition: Subject matter wherein the cavity of the resonator has means
No. of patents: 366
Last issue date: 04/03/2012


1                    
NumberTitleIssue Date
8149074Tuning element and tunable resonator
A resonator is provided with a tuning element based on piezoelectricity. The piezoelectric basic element includes at least one piezoelectric layer and a metal layer. Such a basic element is first coated with a thin insulating layer and then with a good conductor. Th...
04/03/2012
7825754Variable resonator
A variable resonator has a dielectric substrate 2, an input/output line 3 formed on the dielectric substrate 2, a first resonator 4 that has one end connected to the input/output line 3 and the other end grounded, and a second reso...
11/02/2010
7573358Tunable 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 between said microwave/integrated circuit device and said ...
08/11/2009
7548142Tuneable resonator
The invention discloses a tuneable resonator (100, 200, 300, 500, 600, 700, 900) with a substrate layer (140, 260, 360, 560, 660, 960), which substrate layer supports a structure with a first electrode (130, 240, 350, 550, 650). In connection to...
06/16/2009
7456712Cross coupling tuning apparatus for dielectric resonator circuit
The invention is an apparatus and technique for tuning the cross coupling of resonators in a dielectric resonator circuit. A cross coupling element such as a coaxial cable having a first end positioned adjacent a first resonator in the circuit and a second end posit...
11/25/2008
7405637Miniature tunable filter having an electrostatically adjustable membrane
A miniature tunable filter comprising filter poles disposed with a filter substrate. A moveable electrically conductive membrane is disposed above each filter pole and is spaced from the filter pole by an air or vacuum gap. The gap spacing is changed by deflecting t...
07/29/2008
7388458DC extracting arrangement and a filter
The present invention relates to a DC extracting arrangement in a RF filter used for extracting a DC voltage and/or a low frequency signal (DC/Com. signal) superimposed on a RF signal. The DC/Com. signal is extracted using a low pass filter which is arranged inside ...
06/17/2008
7352261Production method for chip-form film-forming component
A description is given of a high frequency filter comprising microstrips. The filter comprises at least two resonators (16, 18) which each have, as frequency-determining elements, a first straight microstrip section (28) and a second straight microstri...
04/01/2008
7352264Electronically tunable dielectric resonator circuits
In order to permit electronic tuning of the frequency of a circuit including dielectric resonators, such as a dielectric resonator filter, tuning plates are employed adjacent the individual dielectric resonators. The tuning plates comprises two separate conductive p...
04/01/2008
7339446Tunable resonator with MEMS element
According to an embodiment of the present invention, a microelectromechanical system (MEMS) element tunes a resonator to a frequency. ...
03/04/2008
7327210Band agile filter
A microwave filter and method for remotely tuning a microwave filter from one sub-band to another sub-band using metallic rings to adjust the capacitance or inductance of the resonator. In adjusting the capacitance, a plurality of metallic rings are disposed in the ...
02/05/2008
7283022Dual mode ceramic filter
A dual mode ceramic filter has an enclosure with two cavities separated by a wall, and two TM dual-mode resonators, each TM dual-mode resonator positioned in a corresponding cavity. Each TM dual-mode resonator has first and second modes, and a body having a central ...
10/16/2007
7274277Ferroelectric devices and method relating thereto
The present invention relates to an electrically controllable/tunable microwave device comprising a ferroelectric substrate with a variable dielectric permitivity and conducting electrodes, arranged on said substrate, and the capacitance of which depends on applied ...
09/25/2007
7271687Dielectric resonator having a non-uniform effective dielectric permittivity along an axis of tuner displacement
The present invention relates to an improved tuning arrangement to linearise the sensitivity to frequency changes within a certain frequency range in response to tuner displacements relative to a resonator body. The tuning arrangement comprises a tuner and/or resona...
09/18/2007
7268634Dual-mode voltage controlled oscillator using integrated variable inductors
A novel form of an integrated variable inductor uses an on-chip transformer together with a variable capacitor. The variable capacitor can either be a varactor or a switched capacitor array and is connected to the secondary coil of the transformer. By changing the c...
09/11/2007
7253513High-frequency switch device and electronic device using the same
A switch device includes a semiconductor chip, and at least two switches formed on the semiconductor chip. Ground parts of the at least two switches are arranged between said at least two switches. ...
08/07/2007
7227432MEMS resonator array structure and method of operating and using same
A plurality of mechanically coupled MEMS resonators that are arranged in an N×M MEMS array structure. Each MEMS resonators includes a plurality of straight (or substantially straight) elongated beam sections that are connected by curved/rounded sections. Each elong...
06/05/2007
7227434Tuning screw assembly
The present invention relates to a tuning screw assembly comprising a sleeve (100) with internal threads for engaging a tuning screw (200) having external threads. The sleeve comprises a first threaded portion (32) which is axially displaced in ...
06/05/2007
7211923Rotational motion based, electrostatic power source and methods thereof
A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe...
05/01/2007
7205867Microelectromechanical 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 connected to another elongated beam section at a distal end via the curve...
04/17/2007
7193489Radio frequency cavity resonator with heat transport apparatus
An RF cavity resonator (400) that includes: a resonator chamber (410) for containing an RF field; an RF coupling element (450, 452) coupled to the resonator chamber for introducing the RF field into and extracting the RF field from the resonator...
03/20/2007
7184110Liquid crystal display with main frame comprising a shaft member
A liquid crystal display device that is adapted for preventing a damage and a wrinkle of optical sheets caused by vibration or external impact. In the device, optical sheets are included in a backlight assembly. A main frame is mounted with the backlight assembly. A...
02/27/2007
7183881Cross-coupled dielectric resonator circuit
A cross-coupled dielectric resonator circuit. Resonator circuits in accordance with the invention may be used to build low-loss compact filters, oscillators, and other circuits, particularly microwave circuits. The resonators are arranged relatively to each other wi...
02/27/2007
7148771Concentric, two stage coarse and fine tuning for ceramic resonators
A resonator assembly is provided. The resonator assembly includes a conductive housing defining a cavity, and a resonator. The resonator is disposed within the cavity and has a longitudinal bore. A first tuning assembly has a longitudinal bore and is movably dispose...
12/12/2006
7148770Electrically tunable bandpass filters
A tunable bandpass filter includes at least one resonator having a reactance with a resonant frequency, a ferroelectric film having a dielectric constant with a value that changes with an applied electric field, and an electric field generating device for generating...
12/12/2006
7148762Method for adjusting a resonator in an oscillator
A method for tuning a resonator in an oscillator is provided. A dielectric serving as a resonator in the oscillator is trimmed in a targeted manner by laser pulses until a target frequency for the resonator is reached. The lasers used may be excimer lasers or solid-...
12/12/2006
7145509Array antenna and radio communication apparatus using the same
A directivity controllable array antenna with a variable phase shifter is provided which is stable and has a small waveform and intermodulation distortion, excellent high power handling capability and low-loss. In an array antenna with a variable phase shifter, the ...
12/05/2006
7119641Tuneable dielectric resonator
A method of tuning a dielectric resonator uses a ferroelectric element to change the dielectric resonator electric field and hence the resonance frequency of the dielectric resonator. ...
10/10/2006
7120409High frequency module and radio device using the same
The high-frequency module of the present invention is formed of two sections: first high-frequency circuit 5 having a first filter circuit; and second high-frequency circuit 6 having a second filter circuit. At least any one of the two high-frequency c...
10/10/2006
7113059Variable-frequency high frequency filter
A frequency-variable high frequency filter comprises: a substrate; a ground conductor having an opening provided on one principal surface of the substrate; a center conductor provided in the opening to make up a coplanar line resonator with the substrate and the gro...
09/26/2006
7088153Data storage latch structure with micro-electromechanical switch
Micro-electromechanical switches (MEMS) are configured to form a data storage latch to reduce power consumption, to reduce the space used in an integrated circuit, and to improve performance of the integrated circuit. MEMS are implemented at the wiring layer connect...
08/08/2006
7078990RF 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, a dielectric rod in the fixed tuning post interior space with a first...
07/18/2006
7069064Tunable ferroelectric resonator arrangement
The present invention relates to a tunable resonating arrangement comprising a resonator apparatus (10), input/output coupling (4) means for coupling electromagnetic energy into/out of the resonator apparatus, and a tuning device (3) for applica...
06/27/2006
7068127Tunable 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 areas on three orthogonal faces of the mono-block in order to change th...
06/27/2006
7055754Self-compensating antennas for substrates having differing dielectric constant values
An RFID tag or label includes a wireless communication system that is mounted in electrical proximity to the dielectric material. The wireless communication system includes a wireless communication device associated with an antenna system that has at least one condu...
06/06/2006
7057480Cross-coupled dielectric resonator circuit
A cross-coupled dielectric resonator circuit. Resonator circuits in accordance with the invention may be used to build low-loss compact filters, oscillators, and other circuits, particularly microwave circuits. The resonators are arranged relatively to each other wi...
06/06/2006
7046105System and method for threaded plunger assembly
A system and method for a plunger assembly includes a tuning slug with a bore in the stem, a tuning screw rotatably disposed in the stem, and a coupling assembly to rotatably secure the tuning screw to the slug. The system and method may also include a locking assem...
05/16/2006
7043115Tunable 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 Q resonator that may be formed by a ring resonator, microsphere, micr...
05/09/2006
7038332Power discriminating systems
The present invention relates to a control system for selectively supplying electrical power in a remote environment. The system comprises a plurality of electrical circuits, each designed to operate over a unique frequency passband. Power transmitted within the fre...
05/02/2006
7023293Method for tuning a radio filter, a radio filter and a system comprising such a radio filter
The present invention relates to a method for tuning a radio filter. The filter comprises an input connection, an output connection and at least two resonator modules coupled in cascade, each having a tuning mechanism and a probe. A first resonator module is connect...
04/04/2006
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