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Patent Searching and Data


Matches 501 - 550 out of 11,702

Document Document Title
WO/2006/027267A1
Disclosed are a device and a method for high-precision level measurement in an pneumatic spring. The level is measured by determining the resonance frequency of a microwave cavity resonator. An electrically conductive flat coil spring (2...  
WO/2006/022104A1
A slot line (1) is constituted of a slot (4) formed in a surface electrode (3) of a dielectric substrate (2) and two slot lines (1) are arranged with a gap (5) between them in such a manner that the surface electrodes (3) are separated f...  
WO/2006/019302A1
It is described a resonator assembly comprising resonators where the resonator frequency is tuned such that a variable amount of di electric material changes the resonance frequency. This is obtained by changing the capacitance between t...  
WO/2006/011412A1
A high-frequency circuit comprises a waveguide (1), and at least one resonator (2) arranged in the waveguide (1). The resonator (2) has at least one patterned conductor layer parallel with a plane intersecting the H plane and resonates a...  
WO/2006/012055A2
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/2006/003747A1
A spurious propagation blocking circuit for blocking spurious waves propagating at least between two flat plane conductors in parallel is composed of a band rejection filter composed of resonators (8, 9) of a plurality of steps and trans...  
WO/2006/003745A1
A dielectric porcelain composition for high frequency which comprises a main component represented by the general formula: [(1-y) xCaTiaO(1+2a) - (1-y) (1-x)Ca&lcub (M1)1/3(M2)2/3&rcub bO(1+2b) - yLnAlcO(3+3c)/2] (wherein M1, M2 and Ln r...  
WO/2006/001119A1
A dielectric filter (16) comprising a floating electrode part (7A) for regulating the resonance frequency and the capacitance and a floating electrode insulating part (15A) formed in a resonant conductor forming hole (2A). Consequently, ...  
WO/2005/122323A1
An adjustable resonator filter (200), the operating band of which can be shifted by a one-time adjustment. The natural frequency of each resonator (210, 220) is af­fected, in addition to the basic tuning arrangement, by an adjustment ci...  
WO2005099401A3
A discrete resonator (1) is provided, including a dielectric base (2) having a dielectric constant. A metal contact (3) formed on a major surface of the dielectric base (2) has a predetermined area and is positioned at a predetermined lo...  
WO/2005/119833A1
The invention relates to a cavity resonator (20) with temperature compensation, comprising a pot (21) and a cover (22) which together surround a cavity resonance volume (V). The pot (21) comprises a first material which has a first tempe...  
WO/2005/117280A2
Tunable RF cavity. The cavity (24) includes a magnetostrictive material (20) coupled to the cavity (24) and a magnetic coil (22) configured to impress a magnetic field on the magnetostrictive material (20). Control circuitry energizes th...  
WO2005091941A3
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 frequency stop bands in the PPW, while ...  
WO2005020793A3
A head imaging MRI apparatus includes a microstrip-based RF coil comprising: a cylindrical non-magnetic core module having an outer surface and a longitudinal axis, a cylindrical bore extending through the core module along the longitudi...  
WO/2005/104149A1
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 frequency stop bands in the PPW, while ...  
WO/2005/101567A1
An oscillator has an integrated circuit and an external, frequency-determining resonator set up as a cavity resonator which, besides its electric function, acts as a housing and support for the integrated circuit of the high-frequency os...  
WO/2005/099401A2
A discrete resonator (1) is provided, including a dielectric base (2) having a dielectric constant. A metal contact (3) formed on a major surface of the dielectric base (2) has a predetermined area and is positioned at a predetermined lo...  
WO/2005/091941A2
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 frequency stop bands in the PPW, while ...  
WO/2005/091427A1
A filter in which the overall size is reduced in plan view while utilizing a folded waveguide. The filter comprises a waveguide (B1) formed in a multilayer substrate (PC) while being surrounded by conductor layers (15, 17) arranged oppos...  
WO/2005/091429A1
Disclosed is a method for providing ability of tuning resonance frequency in different applications. The method according to the invention at least comprises the step of adding ferroelectric disks in the resonators. Here, the ferroelectr...  
WO/2005/091316A1
The invention relates to thin-layered superconductors, particularly those having tunable or adjustable characteristics. The invention also relates to a method for the production of said components, in addition to devices including said c...  
WO/2005/086275A1
An improved high frequency filter of coaxial construction, comprises one or more resonators (R) with the following features: an electrically-conducting inner line embodied as an inner line tube (1), an electrically-conducting outer line ...  
WO2005062413A3
A process for producing high temperature superconductor (HTS) mini-filters or coils in which the high temperature superconductor films are deposited on a layer of CeO2 on a substrate results in higher yields of mini-filters or coils.  
WO/2005/078971A1
An antenna unit, which is connected to an electronic device for transmitting a received radio signal thereto, has a noise canceller, which cancels noise that occurs in the electronic device and is conveyed to the antenna unit via a groun...  
WO/2005/073148A1
[PROBLEMS] To provide a dielectric porcelain composition for a high frequency wave, which has a high &epsiv r and a high Q X f value and also exhibits a reduced absolute value of &tgr f, and thus exhibits excellent dielectric characteris...  
WO/2005/069425A1
A substantially cubic dielectric core (1) has two through holes (11, 12) penetrating the opposing faces. A supporting rod (3) is inserted into the through holes (11, 12) with a low-permittivity insulator bushing (6) interposed between th...  
WO2005053086A3
This invention provides a laser trimming method for tuning the frequency of a spiral resonator, and for improving the characteristics of a high temperature superconductor filter comprised of high temperature superconductor spiral resonat...  
WO/2005/069023A1
Disclosed is a device for detecting physical properties of a medium in the range of a high-frequency resonator, wherein the high-frequency radiator (10;30;35;36) is impinged upon with a high-frequency alternating voltage and a change in ...  
WO/2005/064737A1
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...  
WO/2005/062415A1
A dielectric resonating element part that resonates in a TE01 &dgr mode is formed integrally with a protrusion part oriented perpendicularly to the bottom surface of the dielectric resonating element part. The peripheral surface of the p...  
WO2004095696A3
Thermally induced frequency variations in a micromechanical resonator are actively or passively mitigated by application of a compensating stiffness, or a compressive/tensile strain. Various composition materials may be selected accordin...  
WO/2005/062413A2
A process for producing high temperature superconductor (HTS) mini-filters or coils in which the high temperature superconductor films are deposited on a layer of CeO2 on a substrate results in higher yields of mini-filters or coils.  
WO/2005/051861A1
A dielectric ceramic composition for high-frequency exhibiting high specific inductive capacity &epsiv r and high Q-value and capable of arbitrarily controlling resonant frequency temperature coefficient &tgr f around 0 ppm/°C. This com...  
WO/2005/053086A2
This invention provides a laser trimming method for tuning the frequency of a spiral resonator, and for improving the characteristics of a high temperature superconductor filter comprised of high temperature superconductor spiral resonat...  
WO/2005/045986A1
A dielectric substrate (1) is provided with first and second conductor openings (AP1, AP2) communicating through a first slit (SL1), and third and fourth conductor openings (AP3, AP4) communicating through a second slit (SL2) such that t...  
WO/2005/041346A1
The invention relates to a filter module suitable for the filtering of electromagnetic waves, comprising a dielectric cylindrical resonator (1) and one or more lines (2, 3), which supply or draw off electromagnetic waves to or from the d...  
WO/2005/038977A1
A multi-layered dielectric substrate (1) includes a first spiral slot (4) formed in a portion of a first ground conductor layer (2); a second spiral slot (5) formed in a portion of a second ground conductor layer (3) formed as a surface ...  
WO/2005/034280A1
A dielectric resonator, an oscillator and a transmitter/receiver having stabilized characteristics whose manufacturing cost can be reduced. A transmission line (2) is formed on the front surface (1A) of a circuit board (1) and a ground e...  
WO2004034503A3
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 arrange...  
WO/2005/020793A2
A head imaging MRI apparatus includes a microstrip-based RF coil comprising: a cylindrical non-magnetic core module having an outer surface and a longitudinal axis, a cylindrical bore extending through the core module along the longitudi...  
WO2004102730A3
The invention is a method and apparatus for dissipating heat in a dielectric resonator circuit in which resonators are mounted to an enclosure by highly thermally and electrically conductive supports, such as metal rods, that pass throug...  
WO/2005/011046A1
The invention relates to a high frequency component with a substrate constructed of a plurality of dielectric layers and, between them, electrode layers having conducting track structures, in which substrate at least one capacitive eleme...  
WO/2005/006483A1
A TMO10 mode resonator, an oscillator and a transceiver having a high Q and suppressing radiation of electromagnetic field. Circular resonator electrodes (2A, 2B) are arranged oppositely on the surface (1A) and rear surface (1B) of a die...  
WO/2005/004275A1
There is provided a high-frequency module which can convert a TE mode electromagnetic wave into a balanced type TEM mode electromagnetic wave without adjustment for output and which can easily be made in a small size. The high-frequency ...  
WO/2005/004322A1
There are provided an oscillator and a transmission/reception device which can reduce the manufacturing cost and can be used for wide-range modulation with a high output. On an oscillation circuit substrate (1), an oscillation circuit se...  
WO/2004/114455A1
A resonator, a filter and a communication unit in which the overall size can be reduced easily even when the resonance frequency is relatively low. Conductive layers (4, 5) are laid in layers while being insulated from each other by a di...  
WO/2004/114454A1
A high-frequency module capable of outputting a balanced type electromagnetic wave without the need of adjusting, and being downsized easily. The module comprises a pipe-type waveguide (3) having an area surrounded by a pair of ground el...  
WO2004045090A3
A transmission line configured as a looped-stub resonator is disclosed, which can be used as a frequency selective element for an oscillator, such as a VCO of a phase locked loop. The transmission line is a fraction of an electrical wave...  
WO/2004/109842A1
An improved high-frequency filter is characterized by the following features: the resonators (9, 19) are coupled to the continuous line (3) by a dielectric, preferably provided in the form of a plate or substrate (1); when viewing in a d...  
WO/2004/105175A1
A bandpass filter for high frequency having a broad band, a small insertion loss, a flat passband, and a sharp attenuation. To a microstrip line ring resonator having an electric length of the line of one wavelength, an input terminal fo...  

Matches 501 - 550 out of 11,702