Wave transmission lines and networks inventions 01/09

20090027136 - Active electromagnetic interference filter circuit for suppressing a line conducted interference signal: The invention relates to an Electromagnetic Interference (EMI) filter circuit (Fa) for suppressing a Line Conducted Interference (LCI) signal. The EMI filter circuit (Fa) comprises a filter inductance (Lo) to carry a supply current (Isup) between a supply voltage (Vsup) and a load (L). The EMI filter circuit (Fa) further... Agent: Philips Intellectual Property & Standards

20090027142 - Multi-band transducer for multi-band feed horn: A multi-band transducer is described incorporating a coaxial waveguide interface for use with a multi-band feed and incorporating bent shaped probes yielding all-planar interfaces in microstrip for all frequency ranges and suitable for mass production. Hybrids can be incorporated for linear or circular polarization applications.... Agent: Clark & Elbing LLP

20090027137 - Tapered dielectric and conductor structures and applications thereof: Disclosed are tapered dielectric and conductor structures which provide controlled impedance interconnection while signal conductor lines transition from finer pitches to coarser pitches thereby obviating electrical discontinuities generally associated with changes of circuit contact pitch. Also disclosed are methods for the construction of the devices and applications therefore.... Agent: Tpl/interconnect Portfolio, LLC

20090027138 - Switch circuit: A switch circuit including: a plurality of MEMS switches connected in parallel or in series, which have different drive voltages; and a single voltage supply for driving the plurality of MEMS switches by the plurality of drive voltages, is used for a microwave circuit or an antenna circuit, to vary... Agent: Birch Stewart Kolasch & Birch

20090027139 - Band-pass filter: A bandpass filter is described herein. The bandpass filter has two parallel signal branches, each connected, on an input side, to an input node and, on an output side, to an output node. The two signal branches form a ring resonator, having a wave mode with a complex amplitude of... Agent: Fish & Richardson PC

20090027140 - Arrangement comprising a support and super-conductive film, vortex diode comprising said type of arrangement and use of vortex diodes for filters: Disclosed is an arrangement including a support and a super-conductive film which is arranged thereon. The film has a plurality of holes in order to form a perforated grating. The holes are optionally round holes having increasing sizes, triangular holes, or holes which are arranged in a meandering manner in... Agent: Jordan And Hamburg LLP

20090027141 - Filter circuit, filter circuit device, multilayered circuit board, and circuit module each including the filter circuit: A filter circuit comprises a first impedance element disposed in an input side, a second impedance element disposed in an output side, having an input end connected to an output end of the first impedance element, and made of the same component as that of the first impedance element, a... Agent: Knobbe Martens Olson & Bear LLP

20090027143 - High power hybrid material surface mount stripline devices: The present invention is directed to a method for making a hybrid material stripline device. The method includes providing an inner layer of material, the inner layer including a dielectric material and at least one conductive sheet. At least one stripline device is formed in the inner layer by processing... Agent: Bond, Schoeneck & King, PLLC

20090027144 - Printed wiring board: A printed wiring board includes a board made of insulator; a wiring pattern to transfer an electric signal which is made of patterned metallic conductor and formed on at least one of a main surface and a rear surface of the board; and an electric power layer formed on at... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090021322 - Elastic wave filter device and duplexer: An elastic wave filter device includes first and second elastic wave filter units connected to an unbalanced terminal. The first and second elastic wave filter units include first to third IDTs and fourth to sixth IDTs, respectively. One end of the first IDT, one end of the second IDT, one... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090021323 - Flat uniform transmission line having electromagnetic shielding function: Disclosed herein is a flat uniform transmission line having an electromagnetic shielding function. The flat uniform transmission line includes a strip transmission line, an insulating layer, and electromagnetic shielding layers. The strip transmission line is formed on a dielectric layer made of functional polymer material, and includes a plurality of... Agent: Williams Mullen

20090021329 - Chip-level through hole structure of electronic package: A through-hole structure for a wafer level packaging includes a wafer, a RF passage penetrating through the wafer, and a through-hole structure disposed around the RF passage. The through-hole structure has three types of structure. The through hole structure includes a plurality of holes filled with metal material thereinside. On... Agent: Rosenberg, Klein & Lee

20090021330 - Handheld terminal: A first unit and a second unit are connected rotatably by a hinge. A first coil and a second coil for performing communication between the first unit and the second unit by facing each other are arranged at the first unit and the second unit, respectively. A movable body is... Agent: Frishauf, Holtz, Goodman & Chick, Pc

20090021324 - Rf module: The present invention provides an RF module capable of converting electromagnetic waves in the TE mode to balanced electromagnetic waves in the TEM mode without adjustment and outputting the balanced electromagnetic waves while easily realizing miniaturization. The RF module includes: a waveguide (3) in which a half-wavelength TE mode resonator... Agent: Oliff & Berridge, Plc

20090021331 - Step attenuator: There is provided a step attenuator having two Pi-type attenuators and one bridged-T type attenuator that share some resistors. The step attenuator is used to prevent a reduction in frequency range caused by use of MOS transistors and reduce attenuation of signal power and frequency band by the MOS transistors,... Agent: Lowe Hauptman Ham & Berner, LLP

20090021325 - Front-end module: A front end module is disclosed. The front end module includes a plurality of antennas receiving different frequency band signals, respectively, an impedance matching circuit unit comprising a plurality of tuners respectively connected to the plurality of antennas to control impedance matching, a selection unit selecting one frequency band signal... Agent: Lowe Hauptman Ham & Berner, LLP

20090021326 - Electronic part: A sixth coil electrode forming a first coil is electrically connected to a twelfth coil electrode forming a second coil, for example, via a second capacitor electrode in a second capacitor electrode layer. Thus, an induction body has a permeability significantly smaller than the permeability of a magnetic body (for... Agent: Burr & Brown

20090021327 - Electrical filter system using multi-stage photonic bandgap resonator: An electrical filter system includes a transmission line and three or more separated photonic bandgap (PBG) structures positioned successively therealong.... Agent: Naval Undersea Warfare Center Division Newport

20090021328 - Microwave unit: A device with a cavity resonator comprises a housing (3, 4, 12) made of electrically conductive material. A reflector unit (11), a microwave unit (9) and a partially reflecting reflector unit (5) are provided inside the housing (3, 4, 12), the housing (4) having a radiation opening (13). The reflector... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090015353 - Integrated circuit with electromagnetic intrachip communication and methods for use therewith: An integrated circuit includes a substrate and a first integrated circuit die having a first circuit coupled to the substrate via a first bonding wire, the first circuit having a first intra-chip interface. A second integrated circuit die has a second circuit coupled to the substrate via a second bonding... Agent: Garlick Harrison & Markison

20090015345 - Broadband transition from a via interconnection to a planar transmission line in a multilayer substrate: According to one embodiment, a broadband transition to joint a via structure and a planar transmission line in a multilayer substrate is formed as an intermediate connection between the signal via pad and the planar transmission line disposed at the same conductor layer. The transverse dimensions of the transition are... Agent: Sughrue Mion, PLLC

20090015355 - Compensated attenuator: An attenuator circuit for attenuating a signal transmitted from an input circuit to an output circuit may include a ground conductor and a series impedance element providing a series resistance for coupling the input circuit to the output circuit. In some examples, a first shunt impedance element may provide a... Agent: Kolisch Hartwell, P.C.

20090015346 - Electronic device and method of matching the impedance thereof: An electronic device includes a first and a second micro-electromechanical switch assembly on a substrate, between which first and second switch assembly a first line having a first impedance and a second line having a second impedance are present. The first switch assembly includes an input terminal and a first... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090015347 - Switching device with selectable phase shifting modes for reduced intermodulation distortion: According to one exemplary embodiment, a switching device with phase selection terminals to select between at least two phase shifting modes to reduce intermodulation distortion in the switching device includes a first phase selection terminal to select a first phase shifting mode of the switching device by enabling a first... Agent: Farjami & Farjami LLP

20090015348 - Variable power coupling device: Systems and methods for a coupling device are shown. In various embodiments, a variable frequency divider comprises a first transmission line and a second transmission line. The first transmission line may comprise a first and a second end. The first end may comprise a first terminal and the second end... Agent: Sheppard, Mullin, Richter & Hampton LLP

20090015349 - Method and appartus for altering phase shift along a transmission line section: A new technique is presented that allows for controlling the phase of a propagating signal by selectively switching in and out relatively small perturbations along a transmission line section that provide slightly different physical paths for the currents to follow. By using relatively minor perturbations, the phase of a transmission... Agent: Carr LLP

20090015350 - Band-stop filters: Multiple tank elements disposed along a common axis and multiple conductive pads disposed along opposing sides of the tank elements define a serpentine transmission path. The tank elements, each having a capacitor and an inductor in parallel communication, define respective portions of the serpentine transmission path that cross the common... Agent: Alston & Bird LLP

20090015351 - Nano-electromechanical circuit using co-planar transmission line: A co-planar waveguide structure is integrated with an upwardly extending resonant pillar to produce transfer cells that provide controlled transmission of electricity between adjacent structures of the co-planar waveguide in order to produce easily fabricated electronic devices operating at megahertz and gigahertz speeds for filtration, modulation, rectification, and mixing of... Agent: Boyle Fredrickson S.c.

20090015352 - Filter assemblies and communication systems based thereon: A filter assembly (300) with a plurality of cavities serving as said waveguide resonators is presented. The cavities are arranged at least on two levels (x1, y1; x2, y2) of said filter assembly (300). Two or three molded filter parts (301, 302, 303) define the cavities, when the filter parts... Agent: Moetteli & Associates Sarl

20090015354 - Electromagnetic bandgap structure, printed circuit board comprising this and method thereof: An electromagnetic bandgap structure and a printed circuit board including it as well as a method of manufacturing thereof that can solve a mixed signal problem between an analog circuit and a digital circuit are disclosed. The electromagnetic bandgap structure in accordance with an embodiment of the present invention can... Agent: Staas & Halsey LLP

20090009272 - Coaxial attenuator: P

20090009260 - Directional couplers for rf power detection: Very small size true directional couplers have a coupling coefficient that is independent on load VSWR. The coupler uses coupled inductors with a compensation circuit including a resistor and a capacitor, or just a capacitor. Wideband operation is suitable for many portable applications such as power detection and control for... Agent: Stmicroelectronics, Inc.

20090009261 - Printed circuit board having impedance-matched strip transmission line: A printed circuit board (PCB) including an impedance-matched strip transmission line includes a strip transmission line including a main line and at least one pair of branch lines branching off from the main line. An upper ground layer is disposed over the strip transmission line and has upper opening parts... Agent: Mills & Onello LLP

20090009263 - Duplexer: A duplexer includes an antenna terminal, a transmit filter, and a receive filter. The receive filter includes a first sub-filter that includes one or more resonators, and a second sub-filter including a double mode surface acoustic wave (DMS) filter. The second sub-filter is downstream of the first sub-filter relative to... Agent: Fish & Richardson PC

20090009262 - Electrical circuit and component with said circuit: An electrical circuit that includes an electric four-terminal network is disclosed. The electric four-terminal network includes a first electrical port with a first terminal and a second terminal and a second electrical port with a first terminal and a second terminal. The electrical circuit also includes a first shunt branch... Agent: Fish & Richardson PC

20090009264 - Delay line: A delay line having a first delay circuit and a second delay circuit. The first delay circuit consists of a band-pass delay line having a first input terminal and an output terminal and other delay lines. The second delay circuit has a hybrid coupler equipped with a second input terminal,... Agent: Burr & Brown

20090009265 - Electronic phase reflector with enhanced phase shift performance: A varactor based phase shifter that increases phase shift range using an impedance transformer to impart a low characteristic impedance between an input port and a reference node port. The characteristic impedance across the port is therefore less than the characteristic impedance would be otherwise, and the phase shift range... Agent: Volpe And Koenig, P.C. Dept. Icc

20090009266 - Antenna damping circuit and high frequency receiver employing same: An antenna damping circuit in which the frequency characteristics of damping amount can be made substantially flat by providing a resistor (Ra) between PIN diodes (D1, D2) having a resistance varying upon application of a control voltage (Vc) and a capacitive dummy antenna circuit (10), and setting its resistance high... Agent: Connolly Bove Lodge & Hutz LLP

20090009267 - Electronic component: The magnetic material constituting a magnetic portion is a ferrite mainly containing 31-42 mol % of NiO, 2-10 mol % of ZnO, 43-48 mol % of Fe2O3, 0.5-3 mol % of Co3O4, and 10-14 mol % of CuO. The dielectric material constituting a dielectric portion is mainly composed of xBaO.y1Nd2O3.y2Bi2O3.zTiO2... Agent: Burr & Brown

20090009268 - Acoustic wave sensor assembly utilizing a multi-element structure: An acoustic wave sensor assembly includes piezoelectric material, a first acoustic wave resonator element structure mounted on the piezoelectric material for interacting with an electrical signal, the acoustic wave resonator element structure being operable to interact with an acoustic wave propagating within the piezoelectric material to produce a first frequency... Agent: Gowling, Lafleur Henderson LLP

20090009269 - Resonator system such as a microresonator system and method of making same: A resonator system such as a microresonator system and a method of making same are provided. In at least one embodiment, a mechanical circuit-based approach for boosting the Q of a vibrating micromechanical resonator is disclosed. A low Q resonator is embedded into a mechanically-coupled array of much higher Q... Agent: Brooks Kushman P.C.

20090009270 - Stripline arrangement and a method for production thereof: The present invention relates to a stripline arrangement (10′) comprising a number of stripline layers each comprising a laminate layer (1A, 1B) and conducting layers (2A, 2B, 3A, 3B) provided on each of said laminate layers (1A, 1B), said conducting layers (2A, 2B, 3A, 3B) each comprising a conductive pattern,... Agent: Ericsson Inc.

20090009271 - Compact broadband non-contacting transmission line junction: A transmission line junction for a coaxial conductor line has mating ends of interfitting cores, sleeves, and dielectrics for communicating broadband signals through the junction that blocks DC currents and voltages, the junction maintaining a quarter wavelength junction length for high frequency coupling while providing improved low frequency coupling across... Agent: Carole A. Mulchinski, M1/040 The Aerospace Corporation

20090002090 - Integrated non-reciprocal component comprising a ferrite substrate: The invention relates to a non-reciprocal component (10) comprising: a ferrite substrate (11) having a first side (1−″) and an opposing second side (16) located on a ground layer (18), a first metal line (12) and a second metal line (13) are located on the ferrite substrate (11) in parallel... Agent: Nxp, B.v. Nxp Intellectual Property Department

20090002091 - On die termination device that can control terminal resistance: An on die termination controls a terminal resistance value in accordance with a test signal. The one die termination device comprises an on die termination control unit and an on die termination resistor unit and can change the terminal resistance value in accordance with the test signal, so that the... Agent: Ladas & Parry LLP

20090002092 - Microwave power splitter/combiner: A microwave, power splitter/combiner (20) is formed as part of a multilayer laminate (27, 28, 29, 33, 34) such that two ports (22, 23) are connected by plated vias (31, 32) to conductive pads (29, 30) connected across an isolation resistor (27). Furthermore, a microwave circuit is provided in the... Agent: Crowell & Moring LLP Intellectual Property Group

20090002093 - Composite right/left handed (crlh) hybrid-ring 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

20090002094 - Power line coupling device and method: A power line coupler for communicating data signals over a power distribution system having a first and second overhead energized medium voltage power line conductors is provided. In one embodiment, the coupler includes a first lightening arrestor having a first end and a second end, wherein the first end of... Agent: Capital Legal Group, LLC

20090002095 - Antenna branching filter: In an antenna duplexer including a high band side filter, a low band side filter, and a phase shifter in a low pass configuration inserted between the high band side filter and an antenna port and taking phase matching of both filters, a resonance inductor resonating with a capacitor on... Agent: Andrus, Sceales, Starke & Sawall, LLP

20090002096 - Antenna duplexer, and rf module and communication apparatus using the same: One of plurality of transmission terminals connected to a transmission filter and a receiving terminal connected to a receiving filter is a balanced type terminal, and another is an unbalanced type terminal. The transmission filter and the receiving filter includes surface acoustic wave resonators or film bulk acoustic resonators. The... Agent: Wenderoth, Lind & Ponack L.L.P.

20090002097 - Duplexer: A duplexer includes a transmission filter having a ladder circuit configuration and a reception filter. The reception filter includes an input terminal connected to an antenna terminal, a first reception output terminal, and a second reception output terminal. A first filter element and a second filter element, each of which... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090002098 - Resonator functioning with acoustic volume waves: A resonator operating with bulk acoustic waves includes a resonator stack. The resonator stack includes a resonator area configured to allow propagation of an acoustic main mode and an acoustic secondary mode. The resonator stack also includes an acoustic mirror that includes a first partial mirror for locking in the... Agent: Fish & Richardson PC

20090002099 - Elastic wave device: In an elastic wave device including an input side electrode and an output side electrode being a resonant single-phase unidirectional transducers (RSPUDT) provided with respective pairs of bus bars opposing to each other on a piezoelectric substrate and a number of excitation electrode fingers extending in a comb-teeth shape so... Agent: Andrus, Sceales, Starke & Sawall, LLP

20090002100 - System and method for tuning multicavity filters: The invention refers to a system and method to tune a multicavity filter of microwave signals, said filter comprising a filter body (CF), a removable lid (CO), n resonant cavities dug out in said filter body (CF) and n tuners (TU) susceptible of displacement under the action of movement means.... Agent: Dickstein Shapiro LLP

20090002102 - Electrical filters with improved intermodulation distortion: A method of constructing a band-stop filter comprises designing a band-stop filter including a signal transmission path, resonant elements disposed along the signal transmission path, and non-resonant elements coupling the resonant elements together to form a stopband having transmission zeroes corresponding to respective frequencies of the resonant elements. The method... Agent: VistaIPLaw Group LLP

20090002101 - High-pass filter: A high frequency filter for filtering a frequency component from a high frequency signal includes a capacitor and a branch line. The capacitor may be disposed in series to a transmission line. The transmission line transmits the high frequency signal. The capacitor performs as capacitive component to the high frequency... Agent: Sughrue Mion, PLLC

20090002103 - Tunable lambda/4 filter subassembly: The invention relates to a tunable λ/4-filter subassembly (10) whose frequency response can be adjusted. For this purpose, the λ/4-filter subassembly (10) has a signal-conducting electrical conductor (20) and an electrically conductive element (30) that is at a reference potential. Furthermore, at least one short-circuit device (40; 140) is provided... Agent: Demont & Breyer, LLC

20090002104 - Vertical coupling structure for non-adjacent resonators: A vertical coupling structure for non-adjacent resonators is provided to have a first and a second resonators, a dielectric material layer, a first and a second high-frequency transmission lines and at least one via pole. The first and the second resonators respectively have a first and a second opposite metal... Agent: Jianq Chyun Intellectual Property Office