Wave transmission lines and networks inventions

20090278632 - Electronic apparatus: An image reading apparatus that operates in accordance with a driving signal at a predetermined frequency includes a document illumination board with a wiring pattern made of a conductor, wherein an inductor is provided at an interval smaller than a predetermined interval onto a wiring pattern having a length equal... Agent: Canon U.s.a. Inc. Intellectual Property Division

20090278633 - Equalizer and connector including the same: An equalizer includes a first resistor and a capacitor connected in parallel. The positive terminal of the capacitor is connected to a signal transmission line on a blah printed circuit board. The negative terminal of the capacitor is connected to ground through a second resistor. A connector including the equalizer... Agent: PCe Industry, Inc. Att. Steven Reiss

20090278622 - Coaxial impedance matching adapter and method of manufacture: An impedance adapter with body and cap portions coupled together encloses a cavity with a printed circuit board (PCB). The PCB is provided with a trace on a first side and a ground plane on a second side. The trace is coupled to a first contact at a first end... Agent: Babcock Ip, PLLC

20090278623 - Directional coupler and a receiving or transmitting device: A directional coupler and a receiving or transmitting device. The directional coupler includes: a primary signal line composed of a metal rod; and a coupled signal line composed of a micro strip in a curved shape on a printed circuit board; wherein the medium between the metal rod and the... Agent: Huawei Technologies Co., Ltd. C/o Darby & Darby P.C.

20090278624 - Reflection-type phase shifter having reflection loads implemented using transmission lines and phased-array receiver/transmitter utilizing the same: A reflection-type phase shifter is provided. The reflection-type phase shifter has a coupler, a first reflection load, and a second reflection load. The coupler has an input port for receiving an input signal and an isolated port for outputting an output signal due to a first reflected signal at a... Agent: North America Intellectual Property Corporation

20090278625 - Broadband filter: A broadband filter filtering noise over a first conductive wire, a second conductive wire, and a third conductive wire includes a differential-mode filtering circuit connected to both the first conductive wire and the second conductive wire and a common-mode filtering circuit connected to both the first conductive wire and the... Agent: PCe Industry, Inc. Att. Steven Reiss

20090278626 - Band pass filter: A band pass filter is suitable to be formed in a multi-layered circuit substrate of a wireless communication module. The band pass filter includes an input port, a first inductor, a first capacitor, a first parasitic capacitor, a second capacitor, a second inductor, a second parasitic capacitor, a third inductor,... Agent: J C Patents

20090278627 - Dielectric ceramic composition, multilayer complex electronic device, multilayer common mode filter, multilayer ceramic coil and multilayer ceramic capacitor: According to the present invention, a dielectric ceramic composition can be provided which is available to be sintered at low temperature (for example, 950° C. or lower) while comparatively decreasing contents of a glass component, which shows good properties (specific permittivity, loss Q value and insulation resistance), and which is... Agent: Oliff & Berridge, PLC

20090278628 - Integrated single-crystal mems device: Method of manufacturing a MEMS device integrated in a silicon substrate. In parallel to the manufacturing of the MEMS device passive components as trench capacitors with a high capacitance density can be processed. The method is especially suited for MEMS resonators with resonance frequencies in the range of 10 MHz.... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20090278629 - Composite filter: A composite filter downsized without degrading its characteristics is disclosed. The filter includes a surface acoustic wave filter and a LC filter coupled to the surface acoustic wave filter. The LC filter is formed by combining a π-shaped LC filter formed of two capacitors and an inductor coupled together in... Agent: Wenderoth, Lind & Ponack L.L.P.

20090278630 - Substrate with hf-compatible line: A substrate with an HF-compatible line arranged in this substrate will be proposed that is formed similar to a tri-plate strip line in which, however, at least one of the ground planes has a slot that follows the profile of the signal line arranged between two ground planes. With the... Agent: Slater & Matsil, L.L.P.

20090278631 - Cavity resonator, use of a cavity resonator and oscillator circuit: A cavity resonator (20) having temperature compensation which comprises a pot (21) and a cover (22), which together enclose a cavity resonance volume (V). The pot (21) comprises a first material, which has a first temperature expansion coefficient (α1) and the cover (22) comprises a second material, which has a... Agent: Moetteli & Associates Sarl

20090273408 - Filter duplexer and communication device: A filter has a filter section that is provided with a balanced input terminal including a terminal 1 and a terminal 2 and a balanced output terminal including a terminal 3 and a terminal 4, and that passes a signal in a passband out of input balanced signals, and a... Agent: Arent Fox LLP

20090273409 - Acoustic wave filter apparatus: An acoustic wave filter apparatus includes first and second acoustic wave filter sections on one piezoelectric substrate, first balance terminals of the first and second acoustic wave filter sections are commonly coupled to each other, and second balance terminals thereof are commonly coupled to each other. An acoustic wave filter... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090273418 - Communication system and antenna apparatus: An antenna apparatus for use in a transmitter or a receiver in a communication system. The antenna apparatus includes: a dielectric substrate having a conductor layer on one of surfaces; and a slot antenna including an antenna electrode formed on the one surface and disposed substantially at the center, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090273410 - Nonreciprocal circuit device and manufacturing method thereof: A nonreciprocal circuit device includes a ferrite-magnet element having ferrite provided with first and second central electrodes intersecting each other in an insulated manner and two permanent magnets arranged to sandwich the ferrite to apply a DC magnetic field thereto, a substrate on which the ferrite-magnet element and matching circuit... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090273411 - Method and system for flip chip configurable rf front end with an off-chip balun: Methods and systems for a flip chip configurable RF front end with an off-chip balun may include bonding a balun package to a single integrated circuit (IC) comprising an integrated transmitter and a receiver. The balun package may comprise one or more layers and may be electrically coupled to the... Agent: Mcandrews Held & Malloy, Ltd

20090273412 - Very high efficiency transmission line driver: This circuit is a back terminated transmission line driver which dissipates no outgoing power across its back terminating resistor by using both a voltage source and a current source.... Agent: Ernest S Richards

20090273413 - Power divider integrated circuit: A power divider integrated circuit is provided. The power divider integrated circuit includes a substrate and a power divider circuit formed on one side of the substrate.... Agent: Christopher P. Maiorana, P.C.

20090273414 - Multi-channel filter assemblies: A filter assembly includes an electrically conductive input member, an electrically conductive output member, and filter elements. Each filter element includes a connection disposed in an open or closed configuration, and a band filter, which may be a band-pass filter or a band-stop filter. A generic filter assembly is first... Agent: Alston & Bird LLP

20090273415 - Bulk acoustic resonator electrical impedance transformers: An electrical impedance transformer comprises a first film bulk acoustic resonator (FBAR), having a first electrical impedance and a first resonance frequency. The electrical impedance transformer also comprises: a second FBAR, having a second electrical impedance and a second resonance frequency, and being disposed over the first FBAR. The electrical... Agent: Kathy Manke Avago Technologies Limited

20090273416 - Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same: An acoustic thin film resonator including: a first piezoelectric thin film 101; a pair of primary electrodes 103 and 104 for applying an electric signal, which are formed on the first piezoelectric thin film; a second piezoelectric thin film 102 that is disposed so that an oscillation generated in the... Agent: Hamre, Schumann, Mueller & Larson P.C.

20090273417 - Microstripline filter: A microstripline filter capable of strengthening capacitive coupling between resonators and suppressing fineness of electrodes is provided. The microstripline filter includes principal-surface lines, a ground electrode, and input/output electrodes. A first principal-surface line is capacitively coupled to a second principal-surface line. The second principal-surface line is inductively coupled to a... Agent: Dickstein Shapiro LLP

20090267702 - Printed circuit board for decreasing wireless wide area network noise: A printed circuit board (PCB) capable of decreasing wireless wide area network (WWAN) noise generated due to internal signal interference occurring in the PCB is disclosed. The PCB printed circuit board includes a first layer, a second layer, and at least one insulating layer formed between the first and second... Agent: Brinks Hofer Gilson & Lione

20090267703 - Dynamically adaptable impedance matching circuitry between an electro-optical load and a driving source: A system including a driving source that supplies an alternating current (AC) electrical signal is provided. At least one electro-optical device is coupled as an electrical load of the driving source. The system further includes an apparatus configured to provide a dynamically adaptable electrical impedance matching between the driving source... Agent: General Electric Company Global Research

20090267704 - Capacitor devices with a filter structure: A capacitor device is provided. The capacitor device includes at least one capacitor. The capacitor device also includes a first capacitor and a first filter coupling the first capacitor and a conductive region, wherein the first capacitor has a first resonance frequency and the first filter is configured to operate... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090267705 - Tunable matching network circuit topology selection: Tunable matching network topologies are disclosed. A network in accordance with the present invention comprises at least one inductor, and at least one tunable capacitor, in parallel with the inductor, wherein the at least one tunable capacitor tunes the at least one inductor self-resonant frequency.... Agent: Gates & Cooper LLP Howard Hughes Center

20090267706 - Resonator and fabrication method thereof: A resonator fabrication method is provided. A method includes providing a plurality of electrode patterns disposed apart from each other on a substrate using a nano-imprint technique; and forming an extended electrode pattern connected to a plurality of electrode patterns, and forming a nano structure laid across an extended electrode... Agent: Dla Piper LLP Us

20090267707 - Elastic wave device: An elastic wave device is described which includes a piezoelectric substrate, comb-shaped electrodes having teeth electrodes that are disposed so as to face each other on the piezoelectric substrate, a non-overlapping area in which the teeth electrodes of the comb-shaped electrodes do not overlap each other, and a overlapping area... Agent: Arent Fox LLP

20090267708 - Dielectric filter: A dielectric filter having a dielectric block disposed on a mount board. The dielectric block includes inner conductor holes having open ends on the front surface of the dielectric block. Input/output electrodes are disposed on the undersurface of the dielectric block. Each of the input/output electrodes extends from the boundary... Agent: Dickstein Shapiro LLP

20090267709 - Wireless non-radiative energy transfer: The electromagnetic energy transfer device includes a first resonator structure receiving energy from an external power supply. The first resonator structure has a first Q-factor. A second resonator structure is positioned distal from the first resonator structure, and supplies useful working power to an external load. The second resonator structure... Agent: Fish & Richardson PC

20090267710 - Wireless non-radiative energy transfer: The electromagnetic energy transfer device includes a first resonator structure receiving energy from an external power supply. The first resonator structure has a first Q-factor. A second resonator structure is positioned distal from the first resonator structure, and supplies useful working power to an external load. The second resonator structure... Agent: Fish & Richardson PC

20090267712 - Feed thru with flipped signal plane using guided vias: An embodiment of the invention includes a high speed feed thru connecting a first circuit outside a housing to a second circuit inside the housing. The first circuit includes a first high speed integrated circuit chip and the second circuit includes a second high speed integrated circuit chip or optoelectronic... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090267711 - High frequency circuit: A circuit has a first coplanar line including a first strip conductor formed on the first plane of a dielectric substrate and a first grounded conductor formed on the first plane and disposed on one side of the first strip conductor, and a second coplanar line including a second strip... Agent: Agilent Technologies Inc.

20090267713 - High-frequency transmission line: A high-frequency transmission line includes: a dielectric substrate; a signal line formed on one surface of the dielectric substrate; a first and a second surface ground patterns formed so as to sandwich the signal line at a given distance from the signal line on the surface of the dielectric substrate;... Agent: Nec Corporation Of America

20090261919 - Millimeter wave band nonreciprocal device: [Solving means] To solve this problem, there is provided a millimeter-wave band nonreciprocal device composed of a magnetic material represented by a formula ε-MxFe2-xO3 (0<x<2), wherein M is at least one of elements In, Ga, Al, Sc, Cr, Sm, Yb, Ce, Ru, Rh, Ti, Co, Ni, Mn, Zn, Zr, and... Agent: Darby & Darby P.C.

20090261920 - Non-reciprocal circuit element: A non-reciprocal circuit element (for example, a 2-port isolator) includes a tabular yoke, permanent magnets, a ferrite to which a direct current magnetic field is applied from the permanent magnets, a first center electrode and a second center electrode disposed on the ferrite, and a circuit board. The tabular yoke... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090261921 - Balance filter: A balance filter includes two acoustic wave filters connected between a single unbalanced terminal and two balanced terminals, and a ground terminal connected to the two acoustic wave filters via a first interconnection portion and a second interconnection portion. The first interconnection portion is connected to the two acoustic wave... Agent: Arent Fox LLP

20090261926 - Method and structure for inhibiting multipactor: A method of reducing multipactor effect occurrence on surfaces in a high energy field, e.g., RF devices, is provided and RF devices having a configuration produced by the method are provided. The method includes forming wall structures formed of a metallic wall material and defining a channel through which the... Agent: Jordan And Hamburg LLP

20090261922 - Piezoelectric resonator and piezoelectric filter: A piezoelectric resonator includes a substrate and a thin-film section. The thin-film section includes a first thin-film section supported by the substrate, and an acoustically-isolated second thin-film section which is separated from the substrate. In the second thin-film section, first and second electrodes are arranged on the respective main surfaces... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090261923 - Electronic apparatus: A quartz crystal unit has a quartz crystal tuning fork resonator that is capable of vibrating in a flexural mode and that has a quartz crystal tuning fork base, and first and second quartz crystal tuning fork tines. The quartz crystal tuning fork resonator is mounted on a mounting portion... Agent: Bruce L. Adams, Esq. Adams & Wilks

20090261924 - Cavity filter coupling system: The elliptical response bandpass filter according to the invention comprises a plurality N of cavities connected in series by means of in-phase coupling loops; the first cavity is in addition connected to the last by a complementary phase-inversion coupling loop in order to generate transmission zeros at determined frequencies.... Agent: Thomson Licensing LLC

20090261925 - Slow wave structures and electron sheet beam-based amplifiers including same: A traveling wave amplifier circuit to receive an RF wave and an electron sheet beam and to effect synchronized interaction therebetween. The circuit includes a wave guide having at least a first wall and a second wall opposite the first wall. The first wall and the second wall are connected... Agent: K&l Gates LLP