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Matches 551 - 600 out of 11,695

Document Document Title
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...  
WO2004086553A3
A small-sized resonator having a desired conductor (Q) corresponding to the manufacturing cost, a device comprises the resonator, and its manufacturing method are disclosed. Capacitive regions (4a to 4f) are formed by superimposing the e...  
WO/2004/102730A2
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/2004/100305A1
The invention relates to an improved high-frequency filter which is, for example, inter alia characterized by the following features: in addition to resonators (R41, R41'; R43, R43') associated with the transmitting branch or with the re...  
WO/2004/095696A2
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/2004/095624A1
A high frequency circuit formed on a multilayer dielectric substrate (1) having at least two or more conductor wiring layers, comprising a first spiral conductor wiring (4) having at least one turn formed on a first conductor wiring laye...  
WO2004082067A3
The invention relates to a resonator (DR), in particular a high frequency resonator, which is approximately cylindrical and is characterised in that the ratio of its height h to its diameter D is between 2.3 and 2.7, in particular 2.5. T...  
WO/2004/086553A2
A small-sized resonator having a desired conductor (Q) corresponding to the manufacturing cost, a device comprises the resonator, and its manufacturing method are disclosed. Capacitive regions (4a to 4f) are formed by superimposing the e...  
WO/2004/082066A1
The invention relates to a method and an assembly for compensating the temperature of circular resonators with dual-mode function consisting of a material with a low thermal expansion coefficient, in which tractive or compression forces ...  
WO/2004/082067A2
The invention relates to a resonator (DR), in particular a high frequency resonator, which is approximately cylindrical and is characterised in that the ratio of its height h to its diameter D is between 2.3 and 2.7, in particular 2.5. T...  
WO/2004/079857A1
The front surface (1A) and back surface (1B) of a dielectric substrate (1) are formed with electrodes (2, 3), and these electrodes (2, 3) are formed with sectorial openings (4A, 4B) at mutually opposed positions to form a resonator (4). ...  
WO/2004/075337A1
An oscillator comprising a dielectric resonator (DR) has a high controllability and reproducibility of coupling between the dielectric resonator (DR) and an oscillation circuit, and an integrated circuit is reduced in size. The dielectri...  
WO/2004/074207A1
The present invention relates to an alumina-based ceramic material mainly comprising alumina, produced by shaping mixture of manganese-titanium composite oxide and a vanadium oxide and sintering the resulting shaped article, and a produc...  
WO/2004/066496A1
The present invention relates to a sliding screw arrangement (14) for transformation of the rotational movement of a threaded axis (13) into a linear movement of the sliding screw providing minimised tolerances for variations of the scre...  
WO/2004/066430A1
Two TE modes the electric fields of which rotates on mutually perpendicular planes are coupled independently of the coupling of two TM modes the electric fields of which are oriented in the directions in the same perpendicularity relatio...  
WO/2004/059831A1
The invention relates to an oscillator, characterised in comprising a monobloc dielectric resonator in the form of a straight cylindrical section, hollowed in the mid-section thereof along the chords of the straight section thereof, such...  
WO/2004/057696A1
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 co...  
WO/2004/054033A1
A high-frequency filter arrangement comprising at least one filter (F3) consisting of a plurality of high-frequency inter-coupled cavities (21,.., 24) in which a locally fixed respective dielectric resonator element (44) is disposed and ...  
WO2004027917A3
The invention is a dielectric resonator in the shape of a truncated cone and variations with a longitudinal through hole. The truncated cone shape physically displaces the H11 mode from the TE mode in the longitudinal direction of the co...  
WO/2004/049495A1
A planar filter comprising first and second open-forward-end transmission line resonators (103, 105) bent into a U-shape, and an open-forward-end transmission line resonator (104) bent into a crank-shape in which attenuation characterist...  
WO/2004/047126A1
High temperature superconductor mini-filters and mini-multiplexers are comprised of improved self-resonant spiral resonators and have very small size, very low cross-talk between adjacent channels and low sensitivity to variations in sub...  
WO/2004/045090A2
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/2004/045018A1
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 arranged such that a plurality of resonant cavi...  
WO/2004/042915A1
The invention relates to a microwave oscillator comprising a hollow conductor (20), an oscillator (16), which is mounted on a heat sink (14) and which projects into the hollow conductor (20), and comprising a printed circuit board (12) f...  
WO2004015452A3
A photonic crystal (100) having reversibly tunable photonic properties. The photonic crystal includes a phase change material having a plurality of structural states that vary with respect to fractional crystallinity. Optical constants i...  
WO/2004/034506A1
The invention relates to a device for mechanically adjusting a frequency of dielectric resonators (22) which are disposed on an electric conductor substrate (24). A mechanical chamber (20) is arranged above the substrate (24) for field d...  
WO/2004/034504A1
An artificial electro-ferromagnetic meta-material demonstrates the design of tunable band-gap and tunable bi-anisotropic materials. The medium is obtained using a composite mixture of dielectric, ferro-electric, and metallic materials ar...  
WO/2004/034503A2
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/2004/027917A2
The invention is a dielectric resonator in the shape of a truncated cone and variations with a longitudinal through hole. The truncated cone shape physically displaces the H11 mode from the TE mode in the longitudinal direction of the co...  
WO2003079482A3
A tunable superconductor apparatus or associated method. The apparatus comprises a coil (102), a first superconductor film portion (106a, 106b), a second superconductor film portion (108), and an actuator (110). The first superconductor ...  
WO/2004/018383A1
A ceramic composition represented by the formula Ca(Li1/3Nb2/3)O3-&dgr is combined with CaTiO3 of positive temperature coefficient so as to form a solid solution of the general formula Ca[(Li1/3Nb2/3)1-xTix]O3-&dgr , thereby realizing a ...  
WO2002019468A9
An antenna that includes a housing having a plurality of walls forming an enclosure, a slot formed in a first wall of the housing, and, a folded cavity formed in a second wall of the housing opposite the first wall. The folded cavity is ...  
WO/2004/015452A2
A photonic crystal (100) having reversibly tunable photonic properties. The photonic crystal includes a phase change material having a plurality of structural states that vary with respect to fractional crystallinity. Optical constants i...  
WO/2004/013929A1
A method for affixing a resonator to a printer circuit board is provided. The method uses a thin metal film which may be affixed to a surface of a stand off, or directly to a surface of a resonator. The metalized surface may be affixed t...  
WO2003088408A9
The evanescent waveguide of the resonator (100) includes a single length of evanescent transmission line terminated in short circuit, a first support substrate (115) having a predetermined dielectric constant, the first support substrate...  
WO/2004/004118A1
A planar resonator and method of manufacture provides contactless power transfer using at least two electrically isolated axis aligned conductive across the transfer interface in a coupled inductor or transformer configuration. Signal or...  
WO2003079482A8
A tunable superconductor apparatus or associated method. The apparatus comprises a coil, a first superconductor film portion, a second superconductor film portion, and an actuator. The first superconductor film portion is electrically co...  
WO/2003/088408A1
The evanescent waveguide of the resonator (100) includes a single length of evanescent transmission line terminated in short circuit, a first support substrate (115) having a predetermined dielectric constant, the first support substrate...  
WO/2003/087903A1
According to the invention, in a metallic shielded housing (1) comprising one or more wave guide couplings (2), a wave guide wave is coupled to certain types of defect wave guides within a photonic crystalline structure arranged in the s...  
WO/2003/088411A1
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.  
WO/2003/080535A1
The present invention provides a novel microwave dielectric ceramic composition of the general formula xMO-yLa¿2?O¿3?-zTiO¿2? wherein M is Sr or Ca; x:y:z= 1:2:4, 2:2:5, 1:2:5 or 1:4:9 and devices comprising the same which comprises t...  
WO/2003/079482A2
A tunable superconductor apparatus or associated method. The apparatus comprises a coil (102), a first superconductor film portion (106a, 106b), a second superconductor film portion (108), and an actuator (110). The first superconductor ...  
WO2003041117A3
The invention relates to an integrated semiconductor component for conducting high-frequency measurements and to the use thereof. According to the invention, the semiconductor component is part of a semiconductor circuit (10) (SOI wafer)...  
WO/2003/075392A1
A resonator fabricated by forming a microstrip line having an electrical length corresponding to &lgr &sol 2 wavelength on a dielectric substrate. The microstrip line is formed spirally from the central part to the opposite side parts th...  
WO/2003/069725A1
The invention relates to a device for the frequency adjustment of a high frequency circuit, especially a circuit that comprises a dielectric resonator. According to the invention, the dielectric resonator is at least partially enclosed b...  
WO/2003/069726A1
A low cost and highly reliable screw fixing device, a resonator device with characteristic regulating function having the screw fixing device, a filter, an oscillator, and a communication device including the resonator device, and a meth...  
WO/2003/065061A1
An equipment status monitoring system (10) and method of operating includes first (40) and second (50) microwave mirrors in a plasma processing chamber (20) each forming a multi-modal resonator. A power source (60) is coupled to the firs...  
WO/2003/063237A1
A high-frequency module constituting a communication function module and a substrate used for the high-frequency module. The substrate is an organic substrate (5) composed of an organic base (20) integrated with a glass woven fabric (21)...  
WO/2003/058749A1
A device and method for tuning a planar filter through a wide range of center frequencies are disclosed. The tuning assembly includes a superconductive tuning tip and an actuator configured and adapted to move the tuning tip through a su...  
WO2002097963A3
High quality epitaxial layers of monocrystalline materials can be grown overlying monocrystalline substrates such as large silicon wafers by forming a compliant substrate for growing the monocrystalline layers. The compliant substrate in...  

Matches 551 - 600 out of 11,695