Wave transmission lines and networks inventions 03/09

20090079522 - Component-less termination for electromagnetic couplers used in high speed/frequency differential signaling: Component-less termination for electromagnetic couplers used in high speed/frequency differential signaling is described. In one embodiment, the apparatus includes a first signal line and a second signal line forming a differential pair, a first electromagnetic coupler to provide sampled electromagnetic signals from the first signal line, and a second electromagnetic... Agent: Intel Corporation C/o Intellevate, LLC

20090079512 - Balun and electronic device using this: A balun is provided in which first balanced line and second balanced line are disposed on a nearly the same plane, first unbalanced line is disposed above first balanced line at a predetermined distance from first balanced line, second unbalanced line is disposed below second balanced line at the predetermined... Agent: Ratnerprestia

20090079513 - Composite right/left handed (crlh) branch-line couplers: High-frequency couplers and coupling techniques are described utilizing artificial composite right/left-handed transmission line (CRLH-TL). Three specific forms of couplers are described; (1) a coupled-line backward coupler is described with arbitrary tight/loose coupling and broad bandwidth; (2) a compact enhanced-bandwidth hybrid ring coupler is described with increased bandwidth and decreased size;... Agent: John P. O'banion O'banion & Ritchey LLP

20090079514 - Hybrid acoustic resonator-based filters: A hybrid acoustic resonator filter and a communication device with a hybrid acoustic resonator filter is described.... Agent: Kathy Manke Avago Technologies Limited

20090079515 - Varactor tuning for a narrow band filter: An apparatus for providing dynamic and remote tuning of a cryo-cooled bandpass filter is disclosed. The device includes resonator element and a voltage sensitive element as part of the capacitance in a narrow band filter circuit. A varactor such as a GaAs varactor may be used. Alternatively, a capacitor having... Agent: Merchant & Gould PC

20090079516 - Filter: Disclosed is a filter comprising an unbalanced input terminal and two balanced output terminals (a first balanced output terminal and a second balanced output terminal. A capacitor is connected between the first balanced output terminal and the GND, another capacitor is connected between the second balanced output terminal and the... Agent: Burr & Brown

20090079517 - Novel capacitive elements and filtered feedthrough elements for implantable medical devices: A capacitive element for an implantable medical device feedthrough element includes a bore, to receive a feedthrough member, or pin of the filtered feedthrough element, an external surface extending laterally outward from a first opening of the bore, and a recessed area formed in the external surface and extending about... Agent: Medtronic, Inc.

20090079518 - Novel capacitive elements and filtered feedthrough elements for implantable medical devices: A capacitive element for an implantable medical device feedthrough element includes a bore, to receive a feedthrough member, or pin of the filtered feedthrough element, an external surface extending laterally outward from a first opening of the bore, and a recessed area formed in the external surface and extending about... Agent: Medtronic, Inc.

20090079519 - Novel capacitive elements and filtered feedthrough elements for implantable medical devices: A capacitive element for an implantable medical device feedthrough element includes a bore, to receive a feedthrough member, or pin of the filtered feedthrough element, an external surface extending laterally outward from a first opening of the bore, and a recessed area formed in the external surface and extending about... Agent: Medtronic, Inc.

20090079520 - Acoustically coupled resonators having resonant transmission minima: A bandpass filter includes input and output terminals, first and second acoustic resonators, and an acoustic coupling layer. The first acoustic resonator includes first and second electrodes, and a piezoelectric layer between the first and second electrodes. The first electrode of the first acoustic resonator is connected to the input... Agent: Kathy Manke Avago Technologies Limited

20090079521 - Bulk acoustic wave resonator: The invention relates to a bulk acoustic wave filter comprising at least one first resonator and at least one second resonator. A longitudinal acoustic mode for which normal dispersion is adjusted in the first resonator and abnormal dispersion is adjusted for the second resonator by selecting the material and the... Agent: Fish & Richardson PC

20090079523 - Layout of circuit board: A layout of a circuit board includes a first signal layer, a second signal layer, and a third signal layer. The first signal layer has a transmission line. The second signal layer is stacked below the first signal layer, and has an opening. The third signal layer is stacked below... Agent: Jianq Chyun Intellectual Property Office

20090072922 - Integrated non-reciprocal component: The invention relates to a non-reciprocal component comprising a first dielectric part (11) and a ferrite substrate (12) located on the same level, a ground layer (18) is located below the ferrite substrate (12), a metal line arrangement (14) is located on the level having the first dielectric part (11)... Agent: Seed Intellectual Property Law Group PLLC

20090072923 - Laminated balun transformer: A laminated balun transformer that may be used for lines having various impedances includes a first magnetic substrate, a laminated body, a second magnetic substrate, and external electrodes. The laminated body includes a first transformer, a second transformer, and an insulator that covers the first and second transformers. The first... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090072931 - Integrated digitally controlled linear-in-decibels attenuator: An integrated digitally controlled linear-in-decibels attenuator circuit in which one or more sets of selection switches establish a desired attenuation by selectively connecting the input signal electrode to one or more corresponding resistive ladder networks connected in series, thereby providing a substantially more constant signal attenuation value over a wider... Agent: National Semiconductor Corporation C/o Vedder Price Kaufman & Kammholz

20090072932 - Variable attenuator and wireless communication device: A variable attenuator, used with high frequency, in which variable attenuation per stage is large, is provided. The variable attenuator includes: a MOSFET 12 having a gate, a drain, a source, and a body; an attenuation control circuit 14; and a temperature characteristics compensation circuit 21. The attenuation control circuit... Agent: Wenderoth, Lind & Ponack L.L.P.

20090072924 - Waveguide forming apparatus, dielectric waveguide forming apparatus, pin structure, and high frequency circuit: There are provided a waveguide forming apparatus, a dielectric waveguide forming apparatus, a pin structure and a high frequency circuit that can optimize a circuit portion provided therein and have high versatility. A waveguide is formed by allowing first and second conductive layers (6, 7) to cooperate with a plurality... Agent: Hogan & Hartson L.L.P.

20090072925 - Frequency tuning circuit for lattice filter: A lattice tunable filtering circuit includes a first input and a second input, and a first output and a second output. The circuit includes two series branches and two parallel branches. The first and second series branches include a Tunable Resonator Component (TRC) which presents a first series resonance frequency... Agent: Seed Intellectual Property Law Group PLLC

20090072926 - Saw filter frequency characteristic control: An apparatus in one example comprises an insulating piezoelectric layer, a base electrode along a first side of the insulating piezoelectric layer, and at least one gradient electrode along a second side of the insulating piezoelectric layer. The at least one gradient electrode is configured to provide a voltage gradient... Agent: Patti, Hewitt & Arezina LLC

20090072927 - tuneable bandpass filter:

20090072928 - Reflection-type bandpass filter: This invention provides a reflection-type bandpass filter for ultra-wideband wireless data communication, in which are provided, on the surface of a dielectric substrate, a center conductor and side conductors, provided on both sides of the center conductor, securing a prescribed distance between conductors with non-conducting portions intervening therebetween. The center... Agent: Sughrue Mion, PLLC

20090072929 - Multiple-mode dielectric resonator, dielectric filter, and communication device: A multiple-mode dielectric resonator in which a through hole is formed in a substantially cubic dielectric core so as to pass through opposing surfaces thereof. A conductive support bar is inserted into the through hole. Both ends of the support bar are secured to a cavity, and opposing inside walls... Agent: Dickstein Shapiro LLP

20090072930 - High speed electronics interconnect and method of manufacture: Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The signal line could be for example, microstripline, strip line, coplanar line, single... Agent: Banpil Photonics, Inc.

20090066437 - High speed electrical interconnect and method of manufacture: Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The signal line could be for example, microstripline, strip line, coplanar line, single... Agent: Banpil Photonics, Inc.

20090066438 - Impedance matching methods and systems performing the same: Provided are an impedance matching method and a matching system performing the same. The method includes: measuring an electrical characteristic of the power transmission line; determining a pulse mode of the power source; extracting a control parameter for impedance matching from the electrical characteristic of the power transmission line; and... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20090066439 - Input circuitry for transistor power amplifier and method for designing such circuitry: A circuit having: an input matching network; a transistor coupled to an output of the input matching network; and wherein the input matching network has a first input impedance when such input matching network is fed with an input signal having a relatively low power level and wherein the input... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20090066440 - Method for automatic impedance matching for a radiofrequency circuit and transmission or reception system with automatic matching: The invention relates to a method for automatically matching the antenna impedance for a radiofrequency transmission circuit having an amplifier. An impedance matching network is inserted between the amplifier and the antenna. The output current i and voltage V from the amplifier and their phase shift are measured, and from... Agent: Lowe Hauptman & Berner, LLP

20090066441 - Low-loss interface: In general, in accordance with an exemplary aspect of the present invention, a low-loss interface for connecting an integrated circuit such as a monolithic microwave integrated circuit to an energy transmission device such as a waveguide is disclosed. In one exemplary embodiment, the interface comprises a pin attached to a... Agent: Snell & Wilmer L.L.P. (main)

20090066442 - Base unit and device for the transfer of electromagnetic fields: A metamaterial is proposed which is composed of base elements having six ports with two ports, respectively. The base element further comprises four nodes connected with a central point via inductors, to which nodes the ports are connected via capacitors.... Agent: St. Onge Steward Johnston & Reens, LLC

20090066443 - Signal selecting device: A signal selecting device according to the present invention has two input/output ports, a plurality of resonating parts, a plurality of impedance transforming parts, and a controlling part. The resonating parts have a ring conductor having a length equal to one wavelength at a resonant frequency or an integral multiple... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090066444 - Signal receiver and frequency down converter thereof: A frequency down converter. A plate body of the frequency down converter includes a main surface. A first wave guide includes a first section and a second section connected to the first section. The first section is connected to the main surface and extends parallel thereto. The second section extends... Agent: Quintero Law Office, PC

20090066445 - Axial dielectric component array and method: An embodiment of the invention may be made in the form of an electromagnetic filter for use with a feed-through conductor. A dielectric component, for example a varistor or a chip capacitor, may be positioned proximate the feed-through conductor such that the dielectric component may filter a signal carried by... Agent: Hodgson Russ LLP The Guaranty Building

20090066446 - Method and apparatus for reducing silicon area of a phase lock loop (pll) filter without a noise penalty: In a method and system for filtering an input signal with a filter included in a phase locked loop (PLL), a unidirectional feedback path is configured from an output of the filter to an input of the filter. The unidirectional feedback path includes a feedback resistor that is configured to... Agent: Texas Instruments Incorporated

20090066447 - High speed interconnect and method of manufacture: Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The signal line could be for example, microstripline, strip line, coplanar line, single... Agent: Banpil Photonics, Inc.

20090058550 - Apparatus, method and computer program: An apparatus comprising including a matching circuit; a first variable reactance component, having a first range of reactance values, and connected to the matching circuit and connectable to an antenna element operable in a first frequency band and a second frequency band; a second variable reactance component, having a second... Agent: Harrington & Smith, PC

20090058551 - Nonreciprocal circuit element: A non-reciprocal circuit element capable of improving an isolation characteristic without increasing an insertion loss includes a permanent magnet, a ferrite arranged to receive a direct-current magnetic field from the permanent magnet, and first and second center electrodes disposed on the ferrite. One end of the first center electrode is... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090058552 - High-frequency module, and mobile telephone and electronic device provided therewith: A high-frequency module includes: a mixer circuit performing frequency conversion by mixing a local oscillation signal with a reception signal; a filter circuit eliminating an unnecessary frequency component from the signal outputted from the mixer circuit; a controllable-gain amplifier circuit amplifying and outputting the signal outputted from the filter circuit;... Agent: Birch Stewart Kolasch & Birch

20090058553 - Non-reflective spnt switch: A non-reflective SPNT switching device comprises one pole, at least three throws, a plurality of main switches, and a plurality of bridge switches. The bridge switches enable all throws to be non-reflective. Each main switch is coupled between the pole and one of the throws. One main switch has a... Agent: Joyce E. Lauer

20090058554 - Band switching by diplexer component tuning: A circuit and antenna arrangement includes a diplexer having a single radio frequency input/output interface and dual feed connections with an antenna adapted for use over a plurality of frequency bands. The diplexer has a capacitance connected between the radio frequency input/output interface and the antenna, and further has an... Agent: Harrington & Smith, PC

20090058555 - Elastic wave duplexer: An elastic wave duplexer includes a transmission filter chip and a reception filter chip each defined by an elastic wave filter chip and flip-chip bonded to a laminated board. A coil-shaped line including coil-shaped line patterns is provided inside the laminated board. The coil-shaped line defines an impedance matching circuit.... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090058556 - Antenna end filter arrangement: An arrangement for filtering the transmitting signals in a radio device using frequency division duplex. In a radio transmitter, in which the transmitting signal is divided to a plurality of antennas (ANT1, ANT2, ANT3) radiating to different sectors, the filtering required in transmitting is mostly carried out by a shared... Agent: Darby & Darby P.C.

20090058557 - Antenna sharing device: An antenna duplexer includes a piezoelectric substrate having a surface, a grounding terminal to be grounded, first and second surface acoustic wave (SAW) filters mounted on the piezoelectric substrate, first and second terminals connected to the first and second SAW filters, respectively, and a line mounted on the surface of... Agent: Wenderoth, Lind & Ponack L.L.P.

20090058558 - Device and connecting method: One end of a power-supply bus is connected to a power supply through a ferrite bead. The power-supply bus is connected to power-supply terminals. The power-supply terminals are connected at positions in such a manner that a terminal with a higher intensity is connected closer to the other end of... Agent: Birch Stewart Kolasch & Birch

20090058559 - Microprocessor common-mode emissions reduction circuit: An apparatus with reduced common-mode (CM) emissions from of a microprocessor includes a circuit board, first and second capacitors and a common-mode (CM) choke. The circuit board has a connector configured for connection to an external wire harness, which may act as an antenna generating CM RF emissions. The microprocessor... Agent: Delphi Technologies, Inc.

20090058560 - Power plane and a manufacturing method thereof: A power plane includes a first circuit region and a second circuit region. The length of the first circuit region or second circuit region is related to the noise frequency to be filtered out. The width of the first circuit region can be wider or narrower than the width of... Agent: Joe Mckinney Muncy

20090058561 - Multi-ring resonator system and method: A system and method are provided which includes ring resonator structures coupled together with beam structure(s). The ring resonators are configured to operate in the contour or breathe mode. The center of the coupling beam structure is used as a nodal anchor point for anchoring the ring resonators and the... Agent: Courtney Staniford & Gregory LLP

20090058562 - Sensor, method for sensing, measuring device, method for measuring, filter component, method for adapting a transfer behavior of a filter component, actuator system and method for controlling an actuator using a sensor: A sensor for sensing a measurand is described, the sensor comprising a coplanar waveguide with a first surface and a second surface opposite to the first surface; a first structure with a first periodically varying dielectric characteristic, the first structure being arranged on the first surface of the coplanar waveguide;... Agent: Slater & Matsil, L.L.P.

20090058563 - Frequency tunable filter: A frequency tunable filter comprises a housing having a plurality of walls therein defining a plurality of cavities; a cover mounted on the housing; a plurality of resonators contained in the cavities; at least one sliding member located between the cover and the resonators; and a plurality of metal tuning... Agent: Edwards Angell Palmer & Dodge LLP

20090058564 - Tm mode evanescent waveguide filter: Waveguide filters utilizing the TM modes in an evanescent waveguide are provided. The Q of such filters surpasses any evanescent, dual and triple mode filters in propagating or evanescent waveguides. The waveguide filter in accordance with the present invention features a small size, as well as ease and simplicity in... Agent: Hoffmann & Baron, LLP

20090058565 - Resonator apparatus having direct-coupled resonators: A resonator apparatus and ferromagnetic resonance filter are described. The apparatuses and filters only include perturbation coils about an input resonator element and an output resonator element.... Agent: Agilent Technologies Inc.

20090058566 - Attachment of deep drawn resonator shell: An apparatus includes a shell member having an interior width, where the shell includes a closed end and an open end, and a nut that includes a plurality of laterally extending resilient leg. The legs define an outer width of the nut, and when the legs are in a relaxed... Agent: Kramer & Amado

20090058567 - High speed electronics interconnect and method of manufacture: Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The signal line could be for example, microstripline, strip line, coplanar line, single... Agent: Banpil Photonics, Inc.

20090058568 - High speed electronics interconnect and method of manufacture: Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The signal line could be for example, microstripline, strip line, coplanar line, single... Agent: Banpil Photonics, Inc.

20090058569 - Coaxial waveguide microstructures having an active and methods of formation thereof: Provided are coaxial waveguide microstructures. The microstructures include a substrate and a coaxial waveguide disposed above the substrate. The coaxial waveguide includes: a center conductor; an outer conductor including one or more walls, spaced apart from and disposed around the center conductor; one or more dielectric support members for supporting... Agent: Sherr & Vaughn, PLLC

20090058570 - Wiring board, method of designing the same, and electronic apparatus: According to one embodiment, a wiring board includes a transmission line provided to perform communications between a first semiconductor chip and a second semiconductor chip, the transmission line is formed of a distributed constant wiring portion having a characteristic impedance matched to one of an output impedance of the first... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20090058571 - Connector and waveguide assembly: A waveguide connector is provided. The connector includes a connecting portion having a plurality of conductive convex portions that are deformable by an external force. The convex portions are formed with a height and an interval less than ¼ wavelength of a propagating electrical wave to be propagated inside waveguides.... Agent: Birch Stewart Kolasch & Birch