Wave transmission lines and networks inventions 08/07

20070200646 - Method for coupling out of a magnetic device: A device for determining the state of a magnetic element includes an emitter constructed and adapted to emit a charged particle beam; a bi-state magnetic cell disposed on a path of the particle beam, whereby the particle beam is deflected along a first deflection path when the cell is in... Agent: Davidson Berquist Jackson & Gowdey LLP

20070200647 - Method of manufacturing spherical or hemispherical crystal blank and method of manufacturing spherical saw device: A method of manufacturing a spherical crystal blank in which the crystal axis is determined by a simple work with a high degree of accuracy includes the steps of: cutting out a cube from a crystal blank provided with crystal axes including a Z axis, and X and Y axes... Agent: Jordan And Hamburg LLP

20070200648 - Mems controlled oscillator: An array of micromechanical oscillators have different resonant frequencies based on their geometries. In one embodiment, a micromechanical oscillator has a resonant frequency defined by an effective spring constant that is modified by application of heat. In one embodiment, the oscillator is disc of material supported by a pillar of... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070200649 - Phase shifters and method of manufacture therefore: An embodiment of the present invention provides a phase shifter, comprising a substrate, resistive ink adjacent one surface of said substrate and separating a voltage tunable dielectric material from said surface of said substrate and a plurality of conductors adjacent said voltage tunable dielectric material separated so as to form... Agent: James S. Finn C/o William Tucker

20070200650 - Dual channel band-pass filter: A dual channel band-pass filter (10) includes an input portion (100), a first resonator (140), a second resonator (160), and an output portion (120). The input portion is used for inputting electromagnetic signals. The first resonator is electronically connected to the input portion, and includes a first groove (146) in... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070200651 - Tunable filter: A tunable filter wherein coupling sections (51, 52, 53) are formed in an input/output line along its lengthwise direction, each coupling section including a gap (G51, G52, G53) formed in the input/output line and coupling electrodes (E5a1, E5b1, E5c1) arranged in the gap in the longitudinal direction of the input/output... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070194858 - Method and apparatus for recording and reproducing multimedia data: An apparatus and method for recording and reproducing multimedia data in a semiconductor recording device and an optical recording device is described. The apparatus for recording and reproducing multimedia data includes a semiconductor recording device and an optical recording device, includes a recording device selection means for selecting the semiconductor... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070194860 - Balun: A balun capable of a reduced whole size. The balun includes an input line receiving an unbalanced signal, an output line receiving the unbalanced signal from the input line and outputting a balanced signal, and a ground part. The input and output lines are formed on a layer, and the... Agent: Sughrue Mion, PLLC

20070194859 - System and method for a tunable impedance matching network: The present disclosure relates generally to tunable impedance matching networks and methods for the use of such networks. In one example, a method includes identifying state information about a mobile device, accessing a memory to identify a configuration of an impedance matching network based on the state information, and applying... Agent: Timothy F. Bliss

20070194861 - Method of transforming impedance and coplanar multi-layer impedance transformer: e

20070194862 - Low-rise duplexer: It is proposed that a balun implemented in LTCC technology shall be incorporated into the microwave ceramic body of a duplexer in such a way that the total overall height of the duplexer is not increased. To do so, the height of the ceramic body in the range of the... Agent: Fish & Richardson PC

20070194863 - Film bulk acoustic resonator and method of manufacturing same: A film bulk acoustic resonator includes: a substrate having; a lower electrode extending; a piezoelectric film provided on the lower electrode; an upper electrode opposed to the lower electrode and provided on the piezoelectric film; and a plurality of protrusions. The substrate has a cavity in a surface thereof. The... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070194864 - Dc block with band-notch characteristics using dgs: A DC block with a band-notch characteristic using a defected ground structure (DGS), includes a pair of coupled lines for being formed parallel to each other on one surface of a dielectric and blocking a flow of a DC, and at least one DGS for being formed on an area... Agent: Sughrue Mion, PLLC

20070194865 - High frequency filter: An improved high frequency filter of coaxial construction comprises one or more resonators having an electrically conductive internal conductor configured as an internal conductive tube and an electrically conductive external conductor. An electrically conductive base electrically interconnects the internal conductor and the external conductor. A cover covers the high frequency... Agent: Nixon & Vanderhye, PC

20070188260 - Receiver input circuit: The present invention provides a receiver input circuit capable of maintaining impedance matching with an antenna feeder wire within all frequency bands to be used and constituting parallel resonant circuits in multi-stage form without using additional circuit portions. The receiver input circuit includes a constant resistance branching filter, a coupling... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20070188257 - Electromagnetically shielded slot transmission line: An electro-magnetically shielded slot-transmission line is formed by metallizing the opposing sides of a slot cut through a dielectric substrate. A ground plane is deposited on the bottom of the substrate. Conductive vias through the substrate and that contact the ground plane are located on both sides of the metallized... Agent: Molex Incorporated

20070188258 - Transition circuit: A transition circuit includes: a waveguide having a notched portion formed by cutting away a portion of the tube wall of the waveguide from the end portion of the waveguide; a dielectric substrate in which a portion extending outside the waveguide through the notched portion of the waveguide is formed;... Agent: Birch Stewart Kolasch & Birch

20070188259 - Methods and apparatus for a high-frequency output match circuit: An output match circuit is coupled between the terminal of a high-frequency device and a ground terminal. The output match circuit includes an LC shunt and an LC notch serially coupled to the LC shunt, wherein the LC notch includes a resonant capacitive element in series with a resonant inductive... Agent: Ingrassia Fisher & Lorenz, P.C. (fs)

20070188262 - Transmission line impedance matching: Transmission line impedance matching for matching an impedance discontinuity on a transmission signal trace with one or more non-transmission traces disposed near the transmission signal trace at a region corresponding to the impedance discontinuity.... Agent: Intel/blakely

20070188261 - Transmission line with a transforming impedance and solder lands: A transmission line for high-frequency differential signals and having a transforming impedance is formed into a substrate. The transmission line is comprised of a slot, the opposing surfaces of which carry a conductive surface capable of carrying electrical signals. The conductive surface on the opposing surfaces is gradually receded along... Agent: Molex Incorporated

20070188263 - Enhanced microwave multiplexing network: A method for configuring a microwave multiplexing network having a first channel filter and a second channel filter and an interconnect in order to improve channel performance. The top ends of the first and second channel filters are coupled to the closer of the top and bottom surfaces of the... Agent: Bereskin And Parr

20070188264 - Phase shift circuit, high frequency switch, and phase shifter: Provided is a small-size phase shift circuit having a broad band characteristic. The phase shift circuit includes: a first switching element for switching between a through path and a capacitance capacity; a second switching element for switching the capacitance capacity for the through path and the ground; and a first... Agent: Birch Stewart Kolasch & Birch

20070188266 - Electrical filter: An electrical filter has at least four terminals, two inductances and two capacitors. The first inductance is connected between the first terminal and the second terminal, and a second inductance is connected between the third terminal and the fourth terminal. The first capacitance is connected between the first terminal and... Agent: Maginot, Moore & Beck Chase Tower

20070188265 - Method and apparatus to provide compensation for parasitic inductance of multiple capacitors: A coupled winding cancels parasitic inductance of first and second capacitors. In an EMI filter having common mode capacitors and a differential capacitors, first and second windings cancel parasitic inductance of the common mode and differential capacitors.... Agent: Daly, Crowley, Mofford & Durkee, LLP

20070188267 - Noise filter and mounted structure of noise filter: A noise filter has an element body, first to fourth terminal electrodes, and a connection conductor. The first to fourth terminal electrodes are disposed on the exterior of the element body. The connection conductor is also disposed on the exterior of the element body. A capacitor is formed in the... Agent: Oliff & Berridge, PLC

20070188268 - Electromechanical filter and electrial circuit and electrical equipment employing electromechanical filter: An electromechanical filter capable of achieving overall miniaturization by employing a micro oscillator such as a carbon nanotube with superior conductivity so as to enable selection of signals of a predetermined frequency. The apparatus includes an inner wall composed of a carbon nanotube that changes physically as a result of... Agent: Greenblum & Bernstein, P.L.C

20070188269 - Temperature compensation for silicon mems resonator: 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 according to their thermal expansion coefficient and used to form resonator components on a substrate. When exposed to temperature variations, the... Agent: Neil A. Steinberg

20070188270 - Film bulk acoustic resonator and film bulk acoustic resonator filter: A film bulk acoustic resonator includes: a support substrate; and a laminated body provided on the support substrate, a portion of the laminated body being supported by the support substrate and another portion of the laminated body being spaced from the support substrate. The laminated body includes: a first electrode... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070188271 - Balanced saw filter: In a balanced SAW filter, a second IDT and a fourth IDT of a five IDT type first longitudinally-coupled-resonator SAW filter element are connected via first and second wiring lines to a seventh IDT and a ninth IDT of a five IDT type second longitudinally-coupled-resonator SAW filter element, respectively. First,... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070188272 - Torsion resonator and filter using this: The invention provides a high-frequency torsion vibrator which can excite efficiently without having any paddle. The torsion vibrator is configured as a beam structure having an almost constant section and having no paddle and is disposed so as to be close to an electrode via a gap on the side... Agent: Pearne & Gordon LLP

20070188273 - Resonant circuit, filter circuit, and multilayered substrate: In a band-pass filter using at least one resonant circuit, a resonant circuit having multiple matching frequencies, a filter circuit having an attenuation pole at a lower/higher frequency of a pass band using the resonant circuit, and a multilayered substrate using the resonant circuit are provided. The resonant circuit includes... Agent: Knobbe Martens Olson & Bear LLP

20070188274 - Active inductor: The present invention provides an active inductor that includes an active all-pass type 90° phase advancing circuit comprising an operational amplifier, a first resistor connected between an inversion input end of the operational amplifier and an input terminal, a capacitor connected between a non-inversion input end of the operational amplifier... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20070188275 - Transmission line element and method of frabricating the same: A microstrip line element is composed of a first electrode layer (10) as a substrate which is more of a metal, a dielectric layer (20) formed by oxidizing, nitriding or oxynitriding the first electrode layer (10), a conductor layer (30) formed on the dielectric layer (20) and a second electrode... Agent: Sughrue Mion, PLLC

20070182504 - Non-reciprocal circuit device: A non-reciprocal circuit device comprising a metal case, a ground plate disposed on an inner bottom surface of the metal case, a resin member disposed on the ground plate and having an opening from which the ground plate is exposed, a planar microwave ferrite member disposed in the opening of... Agent: Sughrue Mion, PLLC

20070182505 - Transmission line transition: A transmission line transition for coupling electromagnetic energy between different transmission lines includes first and second dielectric substrates laminated to each other and a waveguide tube attached to the first dielectric substrate. The laminated dielectric substrate provides a dielectric waveguide having a first end short-circuited and a second end communicating... Agent: Harness, Dickey & Pierce, P.L.C

20070182506 - Splitter circuit including transistors: A splitter circuit includes a plurality of transistors each including a collector that is connected to a direct-current power supply and a base to which a common input signal is supplied, and a plurality of first resistors each including one end that is grounded and the other end that is... Agent: Beyer Weaver LLP

20070182507 - High order mode electromagnetic wave coupler and coupling method using proportional distributing waves: The high order mode electromagnetic wave coupler and coupling method uses one or more Y-shaped bifurcated waveguides to divide the wave to one or more order, so as to divide the target electromagnetic wave proportionally into equal shares. The waveguide is used to inject the electromagnetic wave to a main... Agent: Egbert Law Offices

20070182508 - Band pass filter and duplexer having the same: A band pass filter for improving filtering, realizing high integration, and reducing manufacturing costs, and a duplexer having the band pass filter. The band pass filter comprises a first resonant circuit in which n first resonators are connected in series, where n is a natural number greater than 1; a... Agent: Sughrue Mion, PLLC

20070182509 - Duplexer: A duplexer is provided. The duplexer includes a first band pass filter (BPF) coupled to a first signal port and a second signal port; and a second BPF coupled to the first signal port and a third signal port, each of the first BPF and the second BPF including a... Agent: Sughrue Mion, PLLC

20070182510 - Multi-band filter module and method of fabricating the same: A multi-band filter module and a method of fabricating the same are disclosed. At least one upper filter is deposited on an upper surface of a first substrate. The first packaging substrate packages the upper filter deposited on the first substrate. At least one lower filter is deposited on an... Agent: Sughrue Mion, PLLC

20070182511 - Balanced saw filter: In a balanced SAW filter, a third IDT of a first SAW filter element includes first and second IDT segments, and similarly, an eighth IDT of a second SAW filter element includes first and second IDT segments. A first IDT, the first IDT segment, the second IDT segment, and a... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070182512 - Stacked stripline circuits: The present invention provides a method and apparatus for design of low loss, size restricted high frequency circuits. In a preferred embodiment, an electronic device includes: a first circuit layer located above the main circuit board comprising a first stripline passive circuit; and a second circuit layer located above the... Agent: Gray Robinson, P.A.

20070176707 - Inverted style balun with dc isolated differential ports: The present invention is directed to a balun that includes a first coupler structure having a first port of a balanced port pair and an unbalanced port. A second coupler structure includes a second port of the balanced port pair. The second coupler port structure being connected to the first... Agent: Bond, Schoeneck & King, PLLC

20070176708 - Narrow impedance conversion device: An impedance conversion device has four conductors arranged so that the first and second conductors form a transmission line having a first characteristic impedance, the third and fourth conductors form a transmission line having the first characteristic impedance, the first and third conductors form a transmission line having a second... Agent: Nixon Peabody, LLP

20070176709 - 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 in communication with a waveguide having a plurality particularly configured couplers disposed therein. The plurality of particularly arranged couplers can be... Agent: Joseph P. Quinn, Esq. Brown Rudnick Berlack Israels LLP

20070176710 - Impedance transforming bulk acoustic wave baluns: A bulk acoustic wave device includes an acoustic decoupler between first and second film bulk acoustic resonators (FBARs). The first FBAR is resonant at a resonant frequency of the device and includes first and second planar electrodes abutting opposite sides of a first resonator volume free of any intervening electrodes... Agent: Kathy Manke Avago Technologies Limited

20070176711 - Elastic boundary wave device: An elastic boundary wave device includes an IDT including laminated conductor layers disposed between a first medium and a second medium, wherein a plane that divides the IDT in half in the thickness direction defines an interface, the energy of an elastic boundary wave present on the side of the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070176712 - High frequency filter: A high frequency filter incorporates first to third resonators provided inside a layered substrate. The first and third resonators are adjacent to each other and inductively coupled to each other. The second and third resonators are also adjacent to each other and inductively coupled to each other. The first and... Agent: Oliff & Berridge, PLC

20070176713 - Transmission line connecting structure and transmission/reception device: A transmission line having a slot line with a slot formed on a front surface electrode on a dielectric substrate, and two such slot lines are positioned with the front surface electrodes separated from one another with a gap therebetween. A slot resonator with one end open at the gap... Agent: Dickstein Shapiro LLP