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Patent Searching and Data


Matches 451 - 500 out of 11,694

Document Document Title
WO/2007/097669A1
The invention relates to a cavity filter comprising at least one tuning conductor (3) presenting a hollow portion (4), an isolation device (6) for a tuning conductor (3) of a cavity filter, and a node in a mobile communications network, ...  
WO/2007/088230A2
The invention relates to a microwave and millimeter wave filter formed by a strip conductor (1) defining steps (3) of coupled lines and a segment (4) including at least one resonator (5) comprising complementary open rings with a capacit...  
WO/2007/081389A2
When using micro-resonant structures, a resonant structure may be turned on or off (e.g., when a display element is turned on or off in response to a changing image or when a , communications switch is turned on or off to send data diffe...  
WO/2007/078325A2
An apparatus includes a shell member having an interior width, where the shell includes a closed end and an open end, and a nut that includes a plurality of laterally extending resilient leg. The legs define an outer width of the nut, an...  
WO/2007/059089A3
ABSTRACT OF THE DISCLOSURE 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 integrated circuit...  
WO/2006/086414A3
A dual mode ceramic filter (10) has an enclosure (12) with two cavities (14A, 14B) separated by a wall (15), and two TM dual-mode resonators (16, 19), each TM dual- mode resonator positioned in a corresponding cavity. Each TM dual-mode r...  
WO/2007/061658A1
A synthesizer module/oscillator assembly includes a voltage controlled oscillator with a coaxial resonator. In one embodiment, the module measures 20.3mm x 14.8mm x 3.9mm and the coaxial resonator is positioned on the circuit board of th...  
WO2007032149A9
There are provided various novel high-frequency devices using a magnetic multi-layer film dot. The magnetic multi-layer film dot (1) is realized by a high-frequency element formed by magnetic layers (3) and non-magnetic layers (5) altern...  
WO/2007/059089A2
ABSTRACT OF THE DISCLOSURE 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 integrated circuit...  
WO/2007/054803A2
A method of and miniaturized apparatus adapted for in-situ measurement of degradation of automotive fluids and the like by micro-electron spin resonance (ESR) spectrometry, wherein the use of a modulated constant magnetic field in an RF ...  
WO2007032452A9
A variable resonance circuit having excellent resonance frequency and temperature characteristics of resonance frequency variation rate. The variable resonance circuit comprises a variable capacitance capacitor employing a thin film diel...  
WO/2007/053567A1
An RFID communication system comprising a near field coupler that is capable of selectively communicating with a targeted transponder positioned among a group of multiple adjacent transponders. The coupler is configured to receive commun...  
WO/2006/020606A3
A dielectric-based filter includes a thermally insulated housing, at least one filter formed from a dielectric material disposed inside the insulated housing, and a temperature maintenance device having a heating component and a cooling ...  
WO/2007/038063A1
A RFID coupler capable of selectively communicating with a targeted transponder from among a group of multiple adjacent transponders. The coupler includes a grounded terminal load, a coupling element, a connecting element, an impedance m...  
WO/2007/035127A1
The invention relates to radio and electronic engineering and can be used for generating high-power pulses by accumulating energy in resonance circuits and subsequently discharging said energy through a load. Said invention is based on t...  
WO/2007/032452A1
A variable resonance circuit having excellent resonance frequency and temperature characteristics of resonance frequency variation rate. The variable resonance circuit comprises a variable capacitance capacitor employing a thin film diel...  
WO/2007/032149A1
There are provided various novel high-frequency devices using a magnetic multi-layer film dot. The magnetic multi-layer film dot (1) is realized by a high-frequency element formed by magnetic layers (3) and non-magnetic layers (5) altern...  
WO/2007/028458A1
The present invention relates to a coaxial resonator and a method of constructing a coaxial resonator. The inner conductor (6) of the coaxial resonator comprises at least two different materials having different coefficients of thermal e...  
WO/2007/019905A1
The present invention relates to a coaxial resonator (1) comprising a conductive housing (2) defining a cavity (1a) and having a lower end wall (3), a sidewall (4) extending upwardly from the lower end wall (3), and an upper end wall (5)...  
WO/2007/009532A1
The present invention relates to a coaxial resonator (1) comprising a housing (2) defining a cavity (1a) and having a base (3), a sidewall (4) extending upwardly from the base (3) , and an upper cover plate (5). The sidewall (4) is forme...  
WO/2007/007545A1
A variable resonance frequency resonator comprising a fixed electrode (1), a movable electrode (3) arranged oppositely to the fixed electrode while spaced apart therefrom, a spring member consisting of a plurality of leaf springs (2) hav...  
WO/2006/137153A1
This invention provides a dielectric ceramic composition for an electronic device that has such dielectric properties that the Qf0 value is high at a specific permittivity &epsiv r around 39, the temperature coefficient &tgr f is low at ...  
WO/2006/137152A1
This invention provides a dielectric ceramic composition for an electronic device that has a high specific permittivity &epsiv r and a high Qf value, and a low temperature coefficient &tgr f at a resonance frequency, and can control the ...  
WO/2006/138157A2
A coaxial resonator comprising a conductive housing, a conductive cylindrical post and a high dielectric constant tubular ceramic insert. The above elements are arranged such that the post and ceramic insert are stacked and attached to t...  
WO/2006/134817A1
In a dielectric resonator (41), line pattern(46) includes an electrode gap (49) for partitioning a plurality of electrode portions, a signal I/O unit (50) arranged at the electrode portion of the open side, and grounding portion (51) arr...  
WO/2006/123017A1
For measuring the water content of a web in the wire section of a paper machine, at least one radiofrequency-operated resonator sensor (600 to 618) forms an electric near field, in which a web (402) affects the resonance frequency of eac...  
WO2006088728A3
A voltage tunable resonator is provided, including a dielectric base made of a dielectric material having at least one of a voltage dependent dielectric constant and piezoelectric characteristics. A metal contact having a predetermined a...  
WO/2006/098093A1
This invention provides a high-frequency dielectric porcelain composition that has such excellent dielectric properties that, even when it is used in a high-frequency region such as microwaves and milliwaves, &epsiv r and Q values are hi...  
WO/2006/098462A1
A dielectric porcelain composition which comprises BaO, Nd2O3, TiO2, MgO and SiO2 in a prescribed ratio as main components, and ZnO, B2O3, CuO and an alkaline earth metal oxide RO (R: an alkaline earth metal) in a prescribed ratio as sub...  
WO2005045447A3
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 member electrically coupled to the first...  
WO/2006/093296A1
A transmission line type filter includes a dielectric layer and a resistance layer between electrically opposing conductors and has a circular or rectangular cross section. When this transmission line type filter has a characteristic imp...  
WO/2006/088728A2
A voltage tunable resonator is provided, including a dielectric base made of a dielectric material having at least one of a voltage dependent dielectric constant and piezoelectric characteristics. A metal contact having a predetermined a...  
WO/2006/086414A2
A dual mode ceramic filter (10) has an enclosure (12) with two cavities (14A, 14B) separated by a wall (15), and two TM dual-mode resonators (16, 19), each TM dual- mode resonator positioned in a corresponding cavity. Each TM dual-mode r...  
WO/2006/075498A1
A substantially circular electrode (3) is provided on a front plane (2A) of a dielectric substrate (2) of a TM010 mode oscillator (1). On a rear plane (2B) of the dielectric substrate (2), a connecting line (5) extending along a diameter...  
WO/2006/073027A1
A cavity reentrant cylindrical resonator formed by threading an inner conductor to an outer conductor, wherein an area allowing a screw (2) to deform therein is formed by forming, in a female screw hole inside the inner conductor (1), an...  
WO/2006/063640A1
The invention relates to a high-frequency filter provided with a coaxial design, comprising one or more resonators, at least one of the resonators having the following features: an inner conductor, which is provided in the form of an inn...  
WO/2006/062642A1
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 r...  
WO/2006/058964A1
An arrangement for filtering the transmitting signals in a radio device using frequency division duplex. In a radio transmitter, in which the transmitting signal is divided to a plurality of antennas (ANT1 , ANT2, ANT3) radiating to diff...  
WO/2006/059951A1
An LC resonator (117; 122) for a voltage controlled oscillator (13; 116) comprises an inductive transmission line 31; 51), and input and output ports (33a-b; 53a-b) connected to the transmission line, wherein the transmission line is gro...  
WO/2006/058965A1
A coaxial resonator provided with temperature compensation in order to control the changing of the natural frequency of the resonator when the temperature changes. The characteristic of dielectric materials that the temperature coefficie...  
WO2006012055A3
A high Q RF cavity resonator loaded with a ceramic disc, the resonator comprising an inner conductive post having a length less than a quarter wavelength. The resonance frequency of the resonator is tunable by changing a distance between...  
WO/2006/059159A1
A dielectric resonator filter having at least two poles for filtering a frequency band from an input frequency spectrum, which filter comprises (i) a body (2a, 2b) formed of electrically conductive material, which body (2a, 2b) defines a...  
WO/2006/050705A1
The invention relates to the design of common-mode operated and push-pull operated resonators. Disclosed are both transmission resonators and reflection resonators that are based on series or parallel resonant circuits. Said dual-mode re...  
WO/2006/052562A1
A method (200) of frequency trimming an electronic device (100) such as a resonator or filter can include the steps of providing (202) an external trimmable portion (10) of a multi-port trim network and selectively removing (204) at leas...  
WO2002091409A3
The present invention relates to an electrically controllable/tunable microwave device (10) comprising a ferroelectric substrate (101) with a variable dielectric permittivity and conducting electrodes (102, 103A-C), arranged on said subs...  
WO/2006/043879A1
The present invention relates to a RF filter made from Zink or a Zink alloy, preferably 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 ...  
WO/2006/043880A2
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 fil...  
WO/2006/037890A1
The invention concerns a dielectric resonator for electromagnetic waves comprising at least one junction formed by an interface zone between two materials with different dielectric properties one of which is a semiconductor material, and...  
WO/2006/033204A1
A resonant circuit (9) is composed of a resonator (10) provided on the front plane of a circuit board (2), and a main line (19) connected to a negative resistive circuit. In the resonator (10), a resonant electrode (12) is formed on a di...  
WO/2006/029868A1
The invention relates to a high-frequency filter that has the following features: a substrate (1) is provided that is made of dielectric material and comprises a first face (1e) and an opposite second face (1a); at least one stripline (6...  

Matches 451 - 500 out of 11,694