Wave transmission lines and networks inventions 12/08

20080315968 - High-frequency composite component: A high-frequency composite component for selectively switching a GSM-system signal path and a DCS-system signal path for a signal transmitted to or received from an antenna terminal by a diplexer. Transmission-side input terminals and reception-side balanced output terminals to be switched by high-frequency switches are included in the GSM and... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080315975 - Signal transmission circuit, ic package, and mounting board: Provided is a signal transmission circuit capable of realizing the same effects as those in a conventional manner that employs a complicated circuit by using no complicated circuit, that is, by a simple circuit. The signal transmission circuit includes: a transmission path having a first impedance; a terminating resistor having... Agent: Birch Stewart Kolasch & Birch

20080315978 - Method and apparatus for non-conductively interconnecting integrated circuits: A method and apparatus for constructing, repairing and operating modular electronic systems utilizes peripheral half-capacitors (i.e., conductive plates on the outside of the modules) to communicate non-conductively between abutting modules. Such systems provide lower cost, improved testability/reparability and greater density than conventional modular packaging techniques, such as printed circuit boards... Agent: Pvf -- Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20080315969 - Waveguide correlation unit and a method for its manufacturing: A waveguide correlation unit and a method for manufacturing the same are disclosed. The waveguide correlation unit includes stacked first and second waveguide plates having an identical configuration, wherein a central coupling plate is disposed therebetween. Due to the identical configuration of the first and second waveguide plates, mechanical uncertainties... Agent: Workman Nydegger 1000 Eagle Gate Tower

20080315970 - Filter with a fuse, for use in a lamppost: It is disclosed that a lamppost (2) can comprise a low pass filter (17) for preventing the creation of undesirable electromagnetic fields. The low pass filter passes a first signal (11) and prevents a second signal (12) to enter further into the lamppost (2). The first signal (11) can be... Agent: Michaelson & Associates

20080315971 - Power line data signal attenuation device and method: A device and method for attenuating high frequency signals on a power line carrying power is provided. In one embodiment the device may include a toroid shaped core formed of magnetically permeable material and having an inner surface to be disposed substantially around the entire circumference of the power line... Agent: Capital Legal Group, LLC

20080315972 - Acoustic wave transducer and filter comprising said transducer: A transducer includes an acoustic track in which an acoustic wave can be propagated, the acoustic track having a transversal fundamental mode, the acoustic track being subdivided in a transversal direction into an excitation area and two peripheral areas. The transducer also includes a first outside area and a second... Agent: Fish & Richardson PC

20080315973 - Surface acoustic wave filter, boundary acoustic wave filter, and antenna duplexer using same: A surface acoustic wave filter includes a piezoelectric substrate including lithium niobate, a series resonator including a first interdigital transducer electrode provided on the piezoelectric substrate, and a parallel resonator including a second interdigital transducer electrode provided on the piezoelectric substrate and being electrically connected to the series resonator. An... Agent: Panasonic Patent Center Panasonic Corporation Of North America

20080315974 - Mechanical temperature-compensating device for a phase-stable waveguide: The present invention relates to a mechanical compensating device for a waveguide (1). More precisely, the present invention provides a technology for ensuring phase stability in a waveguide (1) subject to expansions and contractions owing to temperature changes. To do this, actuators, which may consist of pairs of prongs (8-9,... Agent: Lowe Hauptman & Berner, LLP

20080315976 - System and method of assembling a trapped acoustic wave system: Embodiments of the present invention provide a trapped acoustic wave system and a method of assembling such a system. The system may include a substrate having an acoustic wave cavity and a transducer mounted on the substrate. The transducer is configured to resonate the acoustic wave cavity. An acoustically transmissive... Agent: Illinois Tool Works Inc.

20080315977 - Low loss rf transmission lines: A transmission structure having high propagation velocity and a low effective dielectric loss. The structure comprises a dielectric, a first reference conductor disposed below the dielectric, a signal conductor disposed above the dielectric, and a second reference conductor disposed over the signal conductor. The second reference conductor has a recess... Agent: Tessera Lerner David Et Al.

20080315979 - Waveguide quick disconnect clamp: A waveguide quick disconnect clamp includes a first arm and a second arm, both arms having a first end, a second end, and a jaw pivotally connected to the second end. Each of the first and second arm jaws has a generally flat engaging face defining two generally parallel elongated... Agent: Nelson Mullins Riley & Scarborough, LLP

20080309425 - Liquid ejecting apparatus and signal transmission channel: A liquid ejecting apparatus is provided with: a first cable that includes a ground line group in which ground lines are lined up continuously in a plurality of transmission lines lined up in a predetermined direction; and a second cable that is arranged so as to be in opposition to... Agent: Edwards Angell Palmer & Dodge LLP

20080309426 - Irreversible circuit element: An irreversible circuit element is configured by including a magnetic substance, a plurality of central conductors L1 to L3, one ends of which are connected to different input/output ports, arranged on the magnetic substance so as to intersect each other while being insulated from each other, a first conductor P1... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080309427 - Transit structure of standard waveguide and dielectric waveguide: A transit structure of a standard waveguide and a dielectric waveguide is related to connecting the dielectric dielectric waveguide to the standard waveguide. The transit structure includes: a cavity to match the dielectric waveguide and the standard waveguide, wherein the dielectric waveguide and the standard waveguide are orthogonal to each... Agent: Rabin & Berdo, PC

20080309428 - Antenna with high isolation: Provided is an antenna with high isolation. The high-isolation antenna has transmission ports of a transmission radiating body and reception ports of a reception radiating body highly isolated from each other by using a quadrature hybrid coupler. The antenna includes: a transmission radiating body having two feed points for transmitting... Agent: Rabin & Berdo, PC

20080309429 - Monolithic integrated inductor: A monolithic integrated inductor and a method for configuring the monolithic integrated inductor are provided. The monolithic integrated inductor includes a first coil having a first inductance value, at least one second coil connected in parallel to the first coil and having a second inductance value to form a total... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080309430 - Low-loss tunable radio frequency filter: A tunable RF filter comprises a signal transmission path having an input and output, a plurality of resonant elements disposed along the signal transmission path between the input and output, and a set of non-resonant elements coupling the resonant elements together to form a stop band having a plurality of... Agent: VistaIPLaw Group LLP

20080309431 - Planar emi filter: An EMI filter for use between a power source and an electronic product is formed of at least one planar element including a pair of opposed coreless spiral planar windings, and a planar capacitor. This enables the integration of common mode and differential mode filters into integrated planar structures.... Agent: Heslin Rothenberg Farley & Mesiti PC

20080309432 - Piezoelectric resonator structure and method for manufacturing a coupled resonator device: A method for manufacturing a coupled resonator device includes forming a first part of a plurality of layers, trimming an exposed layer of the first part and forming a remaining part of the plurality of layers. The coupled resonator device includes a stack of the plurality of layers, the plurality... Agent: Kathy Manke Avago Technologies Limited

20080309433 - Elastic wave filter and communication device equipped with the elastic wave filter: An elastic wave filter includes two longitudinally coupled resonator type elastic wave filter elements that are cascade connected with each other, each longitudinally coupled resonator type elastic wave filter element including three IDTs (interdigital transducers) arranged on a piezoelectric substrate in a transmitting direction of an elastic wave. In at... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080309434 - Ceramic monoblock filter with metallization pattern providing increased power load handling: A ceramic monoblock filter incorporating a top face input/output port metallization pattern defining an input/output transmission line, a power load distribution bar, and a ground plate. The transmission line, power load distribution bar, and ground plate are all positioned and oriented relative to each other and two of the resonators... Agent: Daniel J. Deneufbourg Cts Corporation

20080309435 - Noise filter: A noise filter connected to an LC oscillator is provided. The noise filter comprises a transmission line, a DC bias circuit, and a capacitor. The transmission line is connected to the LC oscillator. The DC bias circuit is connected to the transmission line and provides a bias current. The capacitor... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080309436 - Multi-input multi-output amplifier, an active inductor, a filter and a radio communication device: A non-inverting amplifier includes n external input terminals which receive n (n≧3) input voltage signals having a constant sum of voltages, respectively, n amplification units each including n−1 internal input terminals connected to n−1 terminals of the n external input terminals in a different combination for each of the amplification... Agent: Amin, Turocy & Calvin, LLP

20080303604 - Transmission cable capable of controlling and regulating its characteristic impedance and electromagnetic interference simultaneously: Disclosed is a transmission cable capable of controlling and regulating its characteristic impedance and electromagnetic interference simultaneously. The transmission cable comprises at least two conduction wires, which are twisted with each other along a longitudinal direction of the transmission cable. In the design of the transmission cable, the electromagnetic interference... Agent: Birch Stewart Kolasch & Birch

20080303605 - Resistance adjusting circuit and semiconductor integrated circuit: A resistance adjusting circuit including a semiconductor integrated circuit includes a reference voltage generating circuit which generates a reference voltage corresponding to a resistance of an external resistor element connected to the semiconductor integrated circuit, a comparison voltage generating circuit which comprises a replica resistor circuit whose resistance is adjusted... Agent: Amin, Turocy & Calvin, LLP

20080303611 - Apparatus for transferring broadband, high-frequency signals: An apparatus for the transfer of broadband, high-frequency signals of a center wavelength (λc), including a conductor structure, which includes at least one signal path and two reference paths arranged symmetrically to the signal path. Together the conductor structure and the two reference paths form a coplanar line, with the... Agent: Bacon & Thomas, PLLC

20080303607 - Balanced filter device: A balanced filter suitable for a reduction of the filter size. The balanced filter comprises strip-line resonators (SL1a, SL1b) constituting resonance electrodes on the unbalanced side, strip-line resonators (SL2a, SL2b) disposed in adjacently opposed relation to the strip-lines on the unbalanced side and constituting resonance electrodes on the balanced side,... Agent: Knobbe Martens Olson & Bear LLP

20080303606 - Miniaturized wide-band baluns for rf applications: A wide-band balun device includes a first metallization deposited over a substrate and oriented in a first coil. The first coil extends horizontally across the substrate while maintaining a substantially flat vertical profile. A second metallization is deposited over the substrate and oriented in a second coil. The second coil... Agent: Quarles & Brady LLP

20080303608 - Flexible microwave transmission line: A power amplifier (power amplifier) having multiple solid state sub-amplifiers connected in parallel between the power amplifier input and the power amplifier output are described. The signal input to the power amplifier is provided to an RF splitter connected between the power amplifier input connector and the input of each... Agent: Knobbe Martens Olson & Bear LLP

20080303609 - Power line communication system and capacitive signal coupling unit: In power line communications using carrier waves of high frequencies in the MHz range such as 2 to 30 MHz, when a coaxial cable for performing transmission of signals and a power line are signal-coupled using a capacitive signal coupling unit, even if an impedance matching circuit is installed in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080303610 - Tuned filters with enhanced high frequency response: A tuned filter having enhanced high frequency response includes a circuit board having first and second opposed major surfaces and first and second opposing sides. The opposed major surfaces are substantially parallel to a single plane and are bisected by a longitudinal axis. The first and second opposing sides are... Agent: Burr & Brown

20080303612 - Waveguide structure: A waveguide structure comprises a first waveguide portion, a second waveguide portion and a third waveguide portion. The first, second and third waveguide portions are connected in a series; signals feed into the first waveguide portion and then propagate through the first, second and third waveguide portions in sequence; and... Agent: Connolly Bove Lodge & Hutz LLP

20080303613 - Waveguide interface for millimeter wave and sub-millimeter wave applications: A waveguide interface for millimeter wave and sub-millimeter wave applications adapted to couple and uncouple abutting waveguide sections wherein said waveguide interface acts as both a mating surface and a precision alignment mechanism. The waveguide interface comprises a first member having a first waveguide defined therein, a second member having... Agent: Mathew J. Temmerman

20080303614 - Rotary joint: A high frequency (HF) rotary joint including a rotor and a stator is disclosed. The rotor is connected to the stator by a high frequency connection via a λ/4 line. The rotor, moreover, is mounted in the stator utilizing at least one radial aircushion bearing and at least one axial... Agent: Edell, Shapiro & Finnan, LLC

20080297271 - Multi-phase layout structure and method: The present invention provides a multi-phase layout structure and method. The layout structure comprises: a first layout layer; a second layout layer substantially parallel to the first layout layer; a plurality of traces, each transmitting a signal, and the plurality of signals having a phase difference between each other; wherein... Agent: Apex Juris, PLLC

20080297283 - Mode transition circuit for transferring radio frequency signal and transceiver module having the same: Provided is a mode transition circuit for transferring a RF signal and a transceiver module having the same. The mode transition circuit includes: a planar transmission line mounted at a RF substrate for receiving a RF signal from a RF signal generating unit; a via formed inside the RF substrate... Agent: Cantor Colburn, LLP

20080297272 - Directional coupler: A directional coupler includes a laminate including a ground electrode substrate, a dielectric substrate that includes line electrodes thereon, a lead-out conductor substrate that includes lead-out conductors of the line electrodes, a ground electrode substrate, and a protection substrate. External electrodes for grounding, external electrodes for a main line, and... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20080297273 - Phase shifter: A first microstrip line 100 transmits a predetermined input signal. A coupling line includes a gap 120 along a transmitting direction of the input signal, and the gap 120 forms a plurality of paths having different path lengths. The input signal is divided by the gap 120 into divided signals.... Agent: Foley And Lardner LLP Suite 500

20080297274 - Capacitive/resistive devices, organic dielectric laminates and printed wiring boards incorporating such devices, and methods of making thereof: This invention relates to a capacitive/resistive device, which may be embedded within a layer of a printed wiring board. Embedding the device conserves board surface real estate, and reduces the number of solder connections, thereby increasing reliability. More specifically, the device, comprises a first metallic foil; a second metallic foil;... Agent: E I Du Pont De Nemours And Company Legal Patent Records Center

20080297275 - Dual configuration filter circuit: A low current leakage circuit for power source lines that include a first power line at one potential and a second power line at another potential with respect to the first power line and that carry energy to power a device is provided. The low leakage circuit may include a... Agent: General Electric Company Ge Global Patent Operation

20080297276 - Nano-resonator including beam with composite structure: A nano-resonator including a beam having a composite structure may include a silicon carbide beam and/or a metal conductor. The metal conductor may be vapor-deposited on the silicon carbide beam. The metal conductor may have a density lower than a density of the silicon carbide beam.... Agent: Harness, Dickey & Pierce, P.L.C

20080297278 - Bulk acoustic wave device with coupled resonators: A bulk acoustic wave device includes first and second resonators, which are acoustically coupled and electrically connected in parallel.... Agent: Slater & Matsil LLP

20080297277 - Circuit working with acoustic volume waves and component connected to the circuit: A circuit for use with bulk acoustic waves includes a first electroacoustic system in a first branch and a second electroacoustic system in a second branch. The first electroacoustic system includes a first resonator and a second resonator that are in series in the first branch, and that are galvanically... Agent: Fish & Richardson PC

20080297279 - Coupled resonator filter with a filter section: A bulk acoustic wave (BAW) filter device includes a first port, a second port, a first coupled resonator filter stage, a second coupled resonator filter stage and a filter section. The first coupled resonator filter stage includes a first BAW resonator connected to the first port and a second BAW... Agent: Slater & Matsil LLP

20080297280 - Integrated coupled resonator filter and bulk acoustic wave devices: A method for manufacturing a filter device is provided. The filter device comprises a coupled resonator at a first site, a shunt resonator at a second site and a series resonator at a third site, the coupled resonator comprising a first and a second resonator. The method comprising a step... Agent: Slater & Matsil LLP

20080297281 - Piezo-on-diamond resonators and resonator systems: Disclosed are piezoelectrically-transduced micromachined bulk acoustic resonators fabricated on a polycrystalline diamond film deposited on a carrier substrate. Exemplary resonators comprise a substrate having a smooth diamond layer disposed thereon. A piezoelectric layer is disposed on the diamond layer and top and bottom electrodes sandwich the piezoelectric layer. The resonant... Agent: Law Offices Of Kenneth W. Float

20080297282 - Acoustic power transformer including lens: An acoustic power transformer includes: an input port adapted to receive an input signal; a transmitting acoustic transducer coupled to the input port and adapted to transmit an acoustic wave in response to the input signal received at the input port; a receiving acoustic transducer adapted to receive the acoustic... Agent: Kathy Manke Avago Technologies Limited

20080297284 - Dual-mode filter and tuning method of the same: A dual-mode filter capable of providing a high degree of design freedom and/or tunability is disclosed. The dual-mode filter includes a ring resonator; an input feeder and an output feeder disposed substantially orthogonal with respect to each other and with respect to the ring resonator so as to be electromagnetically... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080297285 - Microwave conducting arrangement: In order to provide a microwave-conducting arrangement, which is relatively easy, and thus cost-favorable, to fabricate, and which is suited also for complex structures and geometries, one or more electrically conductive layers are provided which are applied on a non-conductive body having a surface of any shape. A metallizing provided... Agent: Bacon & Thomas, PLLC