Wave transmission lines and networks inventions 02/09

20090051456 - Circulator/isolator housing with inserts: A circulator/isolator housing is provided that includes body and a plurality of slots within the body configured to receive therethrough inserts having magnetic permeability. The housing further includes a plurality of receiving portions within the body corresponding to the plurality of slots and configured to maintain a position of the... Agent: Brian C. Oakes Tyco Electronics Corporation

20090051457 - Dms-filter with connected resonators: A surface acoustic wave filter arrangement is described herein. The surface acoustic wave filter arrangement includes a first gate configured to operate symmetrically or asymmetrically, and a second gate configured to operate symmetrically. The filter arrangement also includes a double-mode surface acoustic wave (DMS) filter structure including an input connected... Agent: Fish & Richardson PC

20090051458 - Receiver with adaptive equalizer: Receivers and methods for receiving a signal may result in improved performance by resolving specific impairments at particular levels. For example, bit error ratio (BER) in the downstream signal of an HFC network may be improved by resolving up to 6% AM hum. Thus, the receivers and methods described herein... Agent: Motorola, Inc. Law Department

20090051459 - Filter: A filter is provided with one unbalanced input terminal, a first balanced output terminal and a second balanced output terminal. A primary coil is connected between a connecting point, which is of a second capacitor and a third capacitor, and GND. Furthermore, a secondary coil is connected between the first... Agent: Burr & Brown

20090051460 - Module and passive part: A passive part includes a filter unit having first resonance electrode to a third resonance electrode and an impedance matching circuit unit electrically connected to the third resonance electrode of the filter unit arranged on a dielectric substrate. The entire passive part has a configuration including a circuit unit equivalent... Agent: Burr & Brown

20090051461 - Output power detecting system with a directional coupler: A output power detecting system with a directional coupler has a directional coupler at the output terminal of the output power detecting system. The directional coupler includes a main line, a first sub line, and a second sub line. The output of the power amplifying unit is fully coupled to... Agent: Rosenberg, Klein & Lee

20090051462 - Hf coupler or hf power splitter, especially a narrow-band and/or 3db coupler or power splitter: An improved HF coupler or HF power splitter comprises four connection lines arranged on the same side of the substrate. Two coupling zones are formed on the substrate on two opposite sides; the second coupling zone is connected to the associated connection lines arranged on the side of the substrate... Agent: Nixon & Vanderhye, PC

20090051463 - Splitter/combiner circuit: A circuit for combining/splitting at least two RF signals comprising: (a) at least two or more transmission portions coupled at an intersection, the intersection having a common port for inputting or outputting a combination of the at least two RF signals; (b) each transmission portion extending from the intersection to... Agent: Tyco Technology Resources

20090051464 - Switch cicuit and phase shifter: A switch circuit in which the cut-off characteristic is improved over a wide range of frequencies in the microwave band includes a first field-effect transistor functioning as a switch element, a second field-effect transistor and an inductor. A serially connected circuit composed of the inductor and second field-effect transistor is... Agent: Mcginn Intellectual Property Law Group, PLLC

20090051465 - Delay line: In a band-pass filter of a delay line, an input terminal and a first resonator adjacent to the input terminal are coupled through a capacitor. The first resonator and a second resonator adjacent to the first resonator are coupled through a capacitor. The second resonator and a third resonator adjacent... Agent: Burr & Brown

20090051466 - Micro-power source module: A power source IC and noise absorption capacitors (decoupling capacitors) are formed on an inductor in such a manner that the noise absorption capacitors are provided on the input side and the output side, respectively. A micro-power source module can'thus be provided which is small in occupied area and height... Agent: Rabin & Berdo, PC

20090051467 - Apparatus and method for mode suppression in microwave and millimeterwave packages: A parallel plate waveguide structure configured to suppress parallel-plate waveguide modes is described. The electromagnetic material properties of individual layers disposed between the conductive plates of waveguide may be selected to allow an apparent stopband to form. Several physical examples of electromagnetic bandgap (EBG) structures are presented that are analyzed... Agent: Brinks Hofer Gilson & Lione

20090051468 - Coaxial concentric nonlinear transmission line: A radio frequency source includes a coaxial non-linear transmission line. The coaxial non-linear transmission line may include a closed, non-magnetic, cylindrical outer conductor defining a cavity therein; and a plurality of stages enclosed by the outer conductor. Each stage may then includes an axial field solenoid wound about the outer... Agent: Jeffrey A. Pyle Williams, Morgan & Amerson, P.C.

20090051469 - Multi-functional composite substrate structure: A multi-functional composite substrate structure is provided. The first substrate with high dielectric constant and the second substrate with low dielectric constant and low loss tangent are interlaced above the third substrate. One or more permeance blocks may be formed above each substrate, so that one or more inductors may... Agent: Rabin & Berdo, PC

20090045884 - Non-reciprocal circuit device: A non-reciprocal circuit device comprising a first inductance element L1 disposed between a first input/output port P1 and a second input/output port P2, a first capacitance element Ci parallel-connected to the first inductance element L1 to constitute a first resonance circuit, a resistance element R parallel-connected to the first parallel... Agent: Sughrue Mion, PLLC

20090045885 - Passive structure for high power and low loss applications: An integrated circuit radio transceiver and method therefor includes a balun formed to have interleaved traces which is operable to satisfy high current density requirements while reducing resistive and capacitive reactance of the balun to minimize coupling losses and to maintain efficiency. The interleaved traces may be selectively coupled according... Agent: Garlick Harrison & Markison

20090045886 - Wide-bandwidth balanced transformer: The present invention comprises novel means and apparatus which provide both impedance matching of arbitrary impedances and transformation between single-ended, floating, and balanced circuits over very wide operating bandwidths with very low excess loss and very low phase and magnitude ripple in the pass band. The present invention can provide... Agent: Adams And Reese LLP

20090045887 - Directional coupler: A directional coupler with two sensing conductors and a basic coupler and a supplementary coupler corresponding to them. The basic coupler is based on the coupling between a first sensing conductor (421) and the transmission conductor (410), and the supplementary coupler is based on the coupling between a second sensing... Agent: Darby & Darby P.C.

20090045888 - Coupler: Various directional coupler arrangements are disclosed. For instance, an apparatus includes first, second, and third conductive patterns disposed on a substrate. Each of these conductive patterns includes a first end and an opposite second end. Moreover, each of these conductive patterns includes a first protrusion at its first end and... Agent: Tyco Technology Resources

20090045889 - High-speed router with backplane using muli-diameter drilled thru-holes and vias: A high-speed router backplane is disclosed. The router backplane uses differential signal pairs on multiple signal layers, each sandwiched between a pair of digital ground layers. Thru-holes are used to connect the differential signal pairs to external components. To reduce routing complexity, at least some of the differential signal pairs... Agent: James E. Harris

20090045890 - Filtering circuit and structure thereof: A filtering circuit and a structure thereof are provided. The filtering circuit includes an input terminal, an output terminal, a resonant circuit, a first coupling portion, and a second coupling portion. The resonant circuit is coupled between the input terminal and the output terminal and includes M resonators which are... Agent: Jianq Chyun Intellectual Property Office

20090045891 - Micro wave chemical reaction device: The invention performs uniform chemical reactions with high efficiency by action of microwave onto reaction targets placed within a flow path along a center axis of a waveguide for transmission of microwave. The microwave chemical reaction device includes a circular waveguide for transmission of TM or TE mode microwave or... Agent: Jacobson Holman PLLC

20090039975 - Electrical multiple-wire system for push-pull signal transmission with an attenuating or filtering element and data transmission bus: The electric multiple conductor system (1) is used for the transmission of signals in differential mode, and has two signal lines (5, 6) and a shared reference line (7). Each signal line (5, 6) comprises an attenuation or filter element (13, 14) with a connection branch (15, 16), which runs... Agent: Fasse Patent Attorneys, P.A.

20090039976 - Adaptive impedance matching apparatus,system and method with improved dynamic range: An embodiment of the present invention provides an apparatus, comprising an RF matching network connected to at least one RF input port and at least one RF output port and including one or more voltage or current controlled variable reactive elements; a voltage detector connected to the at least one... Agent: James S. Finn C/o William Tucker

20090039986 - Package-based filtering and matching solutions: A microelectronic package having a radio frequency (RF) amplifier circuit and, incorporating harmonic rejection filters and matching circuits integrally formed in the package is disclosed. A harmonic rejection filter may comprise a metal-insulator-metal (MIM) capacitor serially coupled between bond pads disposed on a RF amplifier circuit die, a first wire... Agent: Rita M. Wisor Intel Corporation

20090039977 - Balun transformer: A balun transformer includes a first conductive pattern having one end provided as an input/output port of an unbalanced signal, a second conductive pattern electromagnetically coupled to the first conductive pattern and having both ends provided as input/output ports of a balanced signal, and a first variable capacitor connected between... Agent: Lowe Hauptman Ham & Berner, LLP

20090039978 - 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

20090039979 - Micro-electromechanical device: Provided is a micro-electromechanical device capable of processing an electric signal in the high frequency region by a simple device structure. The micro-electromechanical device is formed, including an oscillator element having a plurality of electrodes disposed on a substrate and a beam facing the electrodes to oscillate by electrostatic drive.... Agent: Sonnenschein Nath & Rosenthal LLP

20090039980 - Dual bandstop filter with enhanced upper passband response: A dual bandstop filter affects frequencies in a lower passband, first and second stopbands separated by a middle passband, and an upper passband. The filter includes two legs. In one version, one leg is a highpass filter while the other leg is a bandstop filter outputting into a lowpass filter.... Agent: Pastel Law Firm

20090039981 - System and method for controlling resonance frequency of film bulk acoustic resonator devices: Disclosed is a system and method for controlling a resonance frequency of a Film Bulk Acoustic Resonator (FBAR) device. The system includes at least one switching capacitor coupled to the FBAR device and a modulator. The at least one switching capacitor includes at least one capacitor and a switch configuration... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC C/o Intellevate, LLC

20090039982 - Dielectric resonator, dielectric filter and communication device: A dielectric resonator is constructed so as to have a substantially cruciform shape in cross section by including four plate components. A first set of opposed plate components have respective first principal center planes separated from each other and substantially parallel with each other. A second set of opposed plate... Agent: Dickstein Shapiro LLP

20090039983 - Magnetically tunable filter with coplanar lines: The invention relates to a magnetically tunable filter having a filter housing and having two tunable resonator spheres which comprise magnetizable material and are arranged next to one another in two filter branches. Each filter branch comprises a coplanar line arranged on a substrate layer and extending in the direction... Agent: Marshall, Gerstein & Borun LLP

20090039984 - Electromagnetic bandgap structure and printed circuit board: An electromagnetic bandgap structure and a printed circuit board having the electromagnetic bandgap that intercepts the transfer of a signal ranging a frequency band are disclosed. The electromagnetic bandgap structure includes a metal layer; a dielectric layer, stacked on the metal layer; at least two metal plates, stacked on the... Agent: Staas & Halsey LLP

20090039985 - Electronic device, and information apparatus, communications apparatus, av apparatus, and mobile apparatus using the same: An electronic device includes a transmitter circuit, a receiver circuit, a first conductor, and a second conductor of a return path being a grounded line. The first conductor is surrounded by a dielectric. A plurality of resistive elements are connected in parallel between the first conductor and the second conductor.... Agent: Mcdermott Will & Emery LLP

20090033435 - Switching circuit: Disclosed is a switch circuit capable of reducing distortion caused by harmonics and preventing an increase in insertion loss even if the number of ports increases. The switching circuit includes one common output port, M first switches having one set of ends connected in common to a first node (M≧2... Agent: Lowe Hauptman Ham & Berner, LLP

20090033436 - Directional coupler in coaxial line technology: A directional coupler comprising a first connection for the inlet or outlet of a shaft, a first decoupling connection which is used to decouple a coupled shaft, a second connection for the inlet or outlet of the inlet or outlet shaft from the first connection and a second decoupling connection... Agent: Lewis, Rice & Fingersh, Lc Attn: BoxIPDept.

20090033437 - Filter module and communication apparatus: In a filter module, a common input/output portion of a switch circuit is set as a first port. A first filter arranged to pass a signal in a first frequency band is connected between a first input/output portion of the switch circuit and a second port. A second filter arranged... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20090033438 - Adjustable phase shifter for antenna: An adjustable phase shifter for an antenna includes a metal circuit portion, a coupling portion, and a grounding portion. The metal circuit portion is used for receiving a fed-in signal, while the coupling portion is disposed on one side of the metal circuit portion and is disposed at an angle... Agent: Apex Juris, PLLC

20090033439 - Multilayer filter: A multilayer filter wherein the capacitances of capacitors are reduced to reduce the size of the filter without substantially affecting the filter frequency characteristics. A predetermined filter circuit includes plural electrodes in a dielectric ceramic device body. Each of the capacitors is respectively disposed at input and output ends of... Agent: Lowe Hauptman Ham & Berner, LLP

20090033440 - Active resonant circuit with resonant-frequency tunability: The present invention is directed to provide a low-power-consumption wide-range RF signal processing unit having a small chip occupation area. A semiconductor integrated circuit has, on a semiconductor chip, a resonant circuit including a first capacitor having a capacitance which can be controlled by a first control signal of a... Agent: Miles & Stockbridge PC

20090033441 - Dielectric porcelain composition and high frequency device using the same: A dielectric porcelain composition of the present invention includes a first component and second component. If the first component is represented by the general formula of xBaO—yNd2O3-zTiO2-wBi2O3 (provided that x+y+z+w=100), x, y, z, and w satisfy 12≦x≦16, 12≦y≦16, 65≦z≦69, and 2≦w≦5, respectively. The second component includes 30 to 37 wt... Agent: Ratnerprestia

20090033442 - Non-coplanar high-speed interconnects: In one example embodiment, a high-speed package includes first and second layers and a multi-channel non-coplanar interconnect. The first layer includes first and second sets of coplanar transmission lines. The second layer includes third and fourth sets of coplanar transmission lines. The multi-channel non-coplanar interconnect includes first and second channels.... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090033443 - Transmission line: A circuit board is provided, and a method for manufacturing the same, suitable for use in high frequency circuits, and comprising a planar pattern of transmission line conductors for linking components formed on or within the circuit board, the transmission line conductors being formed within a corresponding pattern of trenches... Agent: Buchanan, Ingersoll & Rooney PC

20090033444 - Configurable high frequency coaxial switch: Various embodiments are provided herein for a configurable high frequency coaxial switch. The switch includes a switch housing module that has at least two ports and is adapted for operation in a wide frequency band. The switch also includes at least one frequency-matching port component module that is configured to... Agent: Bereskin And Parr