Wave transmission lines and networks inventions 12/06

20060290438 - Microstrip line dielectric overlay: A printed circuit board has a dielectric constant different from the dielectric constant of free space, with at least two microstrip lines routed adjacent to one another on a surface of the printed circuit board. A dielectric coating is applied to at least one of the at least two microstrip... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20060290440 - Electromagnetic coupler with direct current signal detection: According to some embodiments, a signal line associated with a printed circuit board is provided. In addition, a conductive trace is electrically connected to a portion of the signal line. At least a portion of the conductive trace may be offset from the signal line, and a dielectric layer may... Agent: Buckley, Maschoff, Talwalkar LLC

20060290439 - Voltage mode driver with current mode equalization: An equalized driver includes a voltage mode driver to drive data on a conductor and a current mode driver to provide equalization.... Agent: Lemoine Patent Services, PLLC

20060290441 - Quasi-balun: A quasi-balun circuit for receiving an unbalanced input and providing signals to a balanced-input low noise amplifier (LNA) is provided. Notably, this quasi-balun circuit can provide a phase difference between the positive and the negative terminals of the LNA that is greater than 90 degrees, but less than 180 degrees.... Agent: Bever Hoffman & Harms, LLP

20060290442 - Integrated microelectronics component for filtering electromagnetic noise and radio frequency transmission circuit comprising same: The integrated microelectronics component comprises an electric conductor forming a transmission line element for a radio frequency electromagnetic wave. This electric conductor is surrounded at least partially by a preferably closed magnetic circuit, formed at least by superposition of a layer of ferromagnetic material having a saturation magnetization value greater... Agent: Oliff & Berridge, PLC

20060290443 - Ultra-low voltage capable zipper switch: An electromechanical switch includes an actuation electrode, an anchor, a cantilever electrode, a contact, and signal lines. The actuation electrode and anchor are mounted to a substrate. The cantilever electrode is supported by the anchor above the actuation electrode. The contact is mounted to the cantilever electrode. The signal lines... Agent: Blakely Sokoloff Taylor & Zafman

20060290444 - Power amplifier utilizing quadrature hybrid for power dividing, combining and impedance matching: A balanced power amplifier that includes two or more power amplifiers with equal but phase-shifted signal paths. Balanced power amplifiers need to achieve phase delay and also need to perform power combining. A power amplifier includes at least one quadrature hybrid (also referred to as a branch-line coupler). The quadrature... Agent: Avago Technologies, Ltd.

20060290446 - Baw apparatus: A description is given of a BAW apparatus having a first BAW resonator and a second BAW resonator which are connected antiparallel to one another so as to reduce non-linear effects, in particular harmonics.... Agent: Maginot, Moore & Beck Bank One Tower

20060290445 - Tunable resonator with mems element: According to an embodiment of the present invention, a microelectromechanical system (MEMS) element tunes a resonator to a frequency.... Agent: Caven & Aghevli C/o Portfolioip

20060290447 - Transmission circuit, antenna duplexer, and radio-frequency switch circuit: A small-sized, high-performance transmission circuit is provided which avoids degradation in transmission line characteristics caused by coupling, due to a transmission line and a leader electrode to an external electrode which are oppositely facing, of the electromagnetic field induced by the transmission line and the electromagnetic field induced by the... Agent: Mcdermott Will & Emery LLP

20060290448 - Tunable resonant cable trap: A resonant cable trap for use with a shielded cable having an outer shield surrounding at least one inner conductor includes first and second members and a coil defined in the outer shield. The first member has a first conductive surface coupled to the shield. The second member has a... Agent: Quarles & Brady LLP

20060290449 - Contour-mode piezoelectric micromechanical resonators: A contour mode micromechanical piezoelectric resonator. The resonator has a bottom electrode; a top electrode; and a piezoelectric layer disposed between the bottom electrode and the top electrode. The piezoelectric resonator has a planar surface with a cantilevered periphery, dimensioned to undergo in-plane lateral displacement at the periphery. The resonator... Agent: Townsend And Townsend And Crew, LLP

20060290450 - Tunable micro electromechanical inductor: The present invention provides a monolithic inductor developed using radio frequency micro electromechanical (RF MEMS) techniques. In a particular embodiment of the present invention, a tunable radio frequency microelectromechanical inductor includes a coplanar waveguide and at least one direct current actuatable contact switch positioned to vary the effective width of... Agent: Smith Hopen, Pa

20060284697 - Layout configuration of differential signal transmission lines for printed circuit board: A layout configuration of a differential pair for a printed circuit board (PCB) having a signal plane is provided. In a preferred embodiment, the layout configuration comprises: a differential pair on the signal plane; a pair of vias abutting the differential pair, and the pair of vias being mutually dissymmetrical... Agent: Morris Manning Martin LLP

20060284698 - Low-loss microstrip transmission line structure and a method for its implementation: A signal carrying microstrip (510) is an integral part of the passive part (502) or the active part (501) of an RF-IC (integrated circuit carrying radio frequency signals). The ground plane (511) is an integral part of the base plate (503) of an RF-IC. The distance (h) between the microstrip... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20060284699 - Device for connecting a coaxial line to a coplanar line: The coaxial line comprises a coaxial inner conductor and a first dielectric layer encompassing the coaxial inner conductor and which is surrounded by a coaxial outer conductor. The coplanar line comprises a second dielectric layer with a coplanar inner conductor and a first and second coplanar outer conductor applied to... Agent: Siemens Corporation Intellectual Property Department

20060284700 - Directional coupler: The invention relates to a directional coupler comprising coupled lines, and a method for achieving coupling in a directional coupler under compensation conditions. The directional coupler comprises coupled lines (8, 9), including a first line (8) and a second line (9), and at least one ground plane (10, 11, 13).... Agent: Nixon & Vanderhye, PC

20060284701 - Radial power divider/combiner: A radial power divider-combiner is disclosed. The divider-combiner includes a divider and a combiner. An input signal is provided to a transmission antenna that radiates the input signal inside the divider. Within the divider, the input signal is divided into a plurality of individual signals. The individual signals are received... Agent: Woodcock Washburn LLP

20060284702 - Coupled fbar filter: A coupled FBAR filter 100 includes first and second input/output vibration portions110 and 111 respectively including first and second lower electrodes 104 and 106, first and second upper electrodes 105 and 107, and a piezoelectric thin film 103 interposed therebetween; and a cavity 102 for commonly guaranteeing vibrations of the... Agent: Wenderoth, Lind & Ponack L.L.P.

20060284703 - Coupled fbar filter: In a balanced/unbalanced type coupled FBAR filter 100, an area size of a first lower electrode 102 is generally equal to a total area size of second and third lower electrodes 104 and 106 and an area for isolating the second and third lower electrodes 104 and 106. An area... Agent: Wenderoth, Lind & Ponack L.L.P.

20060284704 - Rf module: The present invention provides an RF module capable of outputting balanced electromagnetic waves without requiring adjustment and easily realizing miniaturization. The RF module includes: a waveguide (3) having an area which is surrounded by a pair of ground electrodes (6) and (7) provided so as to face each other and... Agent: Oliff & Berridge, PLC

20060284705 - Bandpass filter having increased out-of-band signal rejection characteristic: A bandpass filter having a transmission coefficient-frequency spectrum characteristic curve with a notch on each side of the passband is disclosed.... Agent: Schwabe, Williamson & Wyatt

20060284706 - Film bulk acoustic resonator (fbar) process using single-step resonator layer deposition: A process comprising, in a vacuum, depositing a bottom electrode layer and a piezoelectric layer over a cavity in a substrate, the cavity being filled with a sacrificial material, patterning and etching the piezoelectric layer and the bottom electrode layer to expose one or more edges of the bottom electrode... Agent: Blakely Sokoloff Taylor & Zafman

20060284707 - Suspended device and method of making: A substrate defining a cavity comprising a wide, shallow first portion and a narrow, deep second portion is provided. The first portion of the cavity extends into the substrate from the front side of the substrate and is filled with sacrificial material. The second portion extends deeper into the substrate... Agent: Avago Technologies, Ltd.

20060284708 - Dielectrically loaded coaxial resonator: 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 the housing so that the bottom surface of the post abuts the floor of... Agent: Lott & Friedland, P.A.

20060284709 - Hermetically sealed, weldable connectors: An RF feed-through connector has a single pin or multi-pins supported and hermetically sealed between a first portion of the connector facing the hermetically sealed interior portion of an electronics-containing housing and a second portion of the connector exposed to ambient conditions in which the electronics-containing housing is placed. The... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20060279371 - Flexible print cable and connector for the same: A flexible print cable includes signal lines and ground lines. The signal lines and the ground lines are disposed alternately on each of an upper surface and an under surface of a film. The positions of the signal lines on the upper surface correspond to the positions of the ground... Agent: Staas & Halsey LLP

20060279372 - Method and apparatus for digital synthesis of microwaves: Conductor segments are positioned within a two conductor transmission line in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission lines in parallel. Microwave pulses may be induced in the transmission line by closing the switches in a controlled manner... Agent: Bingham Mccutchen LLP

20060279373 - Wide-bandwidth polarization modulator for microwave and mm-wavelengths: A polarization modulator device for modulating a polarization of an electromagnetic wave includes a corrugated metallic waveguide having an interior cylindrical opening defined therein and situated along a longitudinal axis of the waveguide. The corrugated metallic waveguide also has a first waveguide section and a second waveguide section. The waveguide... Agent: Wall Marjama & Bilinski

20060279374 - Three-dimensional balun: A three-dimensional balun is disclosed by laminating alternate layers of conductor and dielectric substrate on top of each other to create a microwave circuit. The laminated layers are constructed in a transmission line configuration, corresponding to an equivalent circuit, wherein the first and third transmission lines, the fifth and seventh... Agent: Lin & Associates Intellectual Property

20060279375 - Attenuator adapter: An attenuator pad adapter for utilizing a replacement attenuator pad in place of another attenuator pad intended for use on a printed circuit board. The attenuator pad adapter has a body portion with a plurality of pins extending from one of its ends that correspond with pins of the originally... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20060279376 - Broadband step attenuator with improved time domain performance: An integrated step attenuator (“ISA”) monolithically integrated on a single chip for adjusting an input signal. The ISA may include a step attenuation network (“SAN”) that may include at least one switchable attenuation section, and at least one electronically switchable trimming network (“ESTN”). The SAN may be configured to adjust... Agent: Agilent Technologies Inc.

20060279377 - Plug connector for cable television network and method of use: A telecommunications apparatus for use with a plug having at least first, second and third pins. The telecommunications apparatus includes a plug connector for receiving the plug. The plug connector includes at least first, second and third electrical contacts for electrically contacting the first, second and third pins, respectively, when... Agent: Karen A. Fitzsimmons Merchant & Gould P.C.

20060279378 - Power distribution and combination circuit: There is provided a power distribution and combination circuit for distributing a signal input from a first port to a second and third ports and combining signals input from the second and thee third port so as to be outputted to the first port. A transmission line (1) of the... Agent: Foley And Lardner LLP Suite 500

20060279379 - Electric signal splitters: The present invention is an electronic signal continuity device comprising an electrically conductive case having a volume, an input port and at least two output ports. The continuity device further includes a printed circuit board (PCB) in electrical communication with the input port and the output ports. The PCB is... Agent: Gross & Associates

20060279380 - Second order bandpass filter: A second-order bandpass filter having an improved frequency response is disclosed, in which a grounding capacitor is connected electrically to a two-port network as a feedback path so as to provide two finite transmission zeros. With the two transmission zeros, signals of second harmonic frequency and GSM signals may be... Agent: Apex Juris, PLLC Tracy M Heims

20060279381 - Bandpass filter network and method for bandpass filtering signals using multiple acoustic resonators: A bandpass filter network and method for bandpass filtering signals uses multiple acoustic resonators. The acoustic resonators may be Film Bulk Acoustic Resonators (FBARs) or Surface Acoustic Wave (SAW) resonators. The acoustic resonators are separated by one or more electrical components, for example, transistors of an amplifier, to provide isolation... Agent: Avago Technologies, Ltd.

20060279382 - Piezoelectric thin film resonator and devices provided with the same: A piezoelectric thin film resonator includes a substrate in which a cavity is formed, a first electrode having a first electrode edge and partly spanning the cavity on the substrate; a piezoelectric layer placed on the first electrode, a second electrode having a second electrode edge and placed on the... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060279383 - Compact segmented stub: A segmented stub has at least one serpentine signal path that increases the effective electrical length of the stub without increasing the overall physical length or area of the stub. This permits more compact monolithic millimeter-wave and microwave integrated circuit design.... Agent: Eugene S. Indyk

20060273862 - Semiconductor thin film manufacturing method, electronic device, and liquid crystal display device: A semiconductor thin film is manufactured by forming a first foundation layer on a substrate; making recesses in and raised parts on the first foundation layer; forming a second foundation layer on the first foundation layer, the second foundation layer extending over the recesses and raised parts of the first... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060273863 - Attenuator circuit: A microwave attenuator circuit is disclosed, including a combination of a plurality of quarter wave transformers and a plurality of resistive elements.... Agent: Leonard A. Alkov, Esq. Raytheon Company

20060273865 - Dipole antenna array: An antenna comprising a reflective surface; and an array of dipole antenna elements disposed adjacent to the reflective surface. Each antenna element has a pair of arms which together define a dipole axis, and the dipole axis is tilted at an acute angle with respect to the reflective surface. The... Agent: Eric D. Cohen 22nd Floor

20060273864 - Phase shifter, a phase shifter assembly, feed networks and antennas: A variable differential phase shifter including an isolation element providing good isolation between output ports, good return loss and reduced reflections. In one embodiment a Wilkinson divider is incorporated in the wiper arm of a wiper type variable differential phase shifter. In another embodiment a linear phase shifter incorporates a... Agent: Welsh & Katz, Ltd. Eric D. Cohen

20060273866 - Film bulk acoustic wave resonator with differential topology: The present invention relates to a resonator structure, such as a film bulk acoustic wave (FBAW) resonator structure, which is modified to approximate a parasitic input characteristic to a parasitic output characteristic and thus enable use of the resonator structure in a differential topology. Thereby, crystal-based resonator structures can be... Agent: Squire, Sanders & Dempsey L.L.P.

20060273867 - Contour-mode piezoelectric micromechanical resonators: A contour mode micromechanical piezoelectric resonator. The resonator has a bottom electrode; a top electrode; and a piezoelectric layer disposed between the bottom electrode and the top electrode. The piezoelectric resonator has a planar surface with a cantilevered periphery, dimensioned to undergo in-plane lateral displacement at the periphery. The resonator... Agent: Townsend And Townsend And Crew, LLP

20060273868 - Surface acoustic wave transducer: The invention relates to a transducer operating with surface waves that shows an improved frequency response of the group delay vs. the SAW-transducer familiar until now with its high flank steepness of the transfer function. The transducer is constructed on the basis of SPUDT-cells, whereby in constructing the transducer at... Agent: Fish & Richardson PC

20060273870 - Integrated balanced-filters: An integrated balanced-filter which acts as a matching network, a balun and an extracted-pole bandpass filter is disclosed. The balanced-filter includes an unbalanced terminal, a first balanced terminal and a second balanced terminal, a first resonator connected to the unbalanced terminal, a second resonator connected to the first balanced terminal,... Agent: Knobbe Martens Olson & Bear LLP

20060273869 - Narrow-band absorptive bandstop filter with multiple signal paths: An absorptive bandstop filter includes at least two frequency-dependent networks, one of which constitutes a bandpass filter, that form at least two forward signal paths between an input port and an output port and whose transmission magnitude and phase characteristics are selected to provide a relative stopband bandwidth that is... Agent: Naval Research Laboratory Associate Counsel (patents)