Wave transmission lines and networks inventions 09/07

20070222535 - Balun: A balun includes a first transforming part (30) and a second transforming part (40). The first transforming part includes a first coupled line (32), a first transmission line (34), a second transmission line (36), and a first capacitor (C1). The first transmission line includes a first balanced port (2). The... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070222537 - Printed circuit board: A printed circuit board (PCB) includes at least one signal layer, a ground layer, at least two signal lines, and at least one grounded line. The signal lines are arranged on the signal layer for transmitting signals. The grounded line is arranged on the signal layer and between the signal... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070222533 - Capacitance-compensated differential circuit line layout structure: A capacitance-compensated differential circuit line layout structure is proposed, which is designed for use on a circuit board, such as a high-speed digital circuit board, for the layout of a pair of differential circuit lines on the high-speed digital circuit board, and which is characterized by the provision of a... Agent: Pearl Cohen Zedek Latzer, LLP

20070222534 - Active nonlinear transmission line: An apparatus for propagating a non-dispersive signals includes a transmission line with a voltage dependent propagation constant and distributed gain elements to maintain the non-dispersive signal between a maximum propagating amplitude and a minimum propagating amplitude.... Agent: Blakely Sokoloff Taylor & Zafman

20070222536 - Loss compensation circuit: A loss compensation circuit, which is applicable to a printed circuit board (PCB) having a plurality of signal transmission lines, includes a first conductive segment, a loss compensation module and a second conductive segment. The first conductive segment has a length shorter than one inch, and a front end for... Agent: Pearl Cohen Zedek Latzer, LLP

20070222538 - Connector activated rf switch: An RF switch (104) that is activated by the insertion of a connector. The RF switch (104) can comprise one or more antenna adapters that can be formed by a number of predetermined RF connector types. The RF switch can include a switch housing (204). A first, second, and third... Agent: Sacco & Associates, Pa

20070222539 - Dual directional coupler: A dual directional coupler includes a housing, a main conductor, a forward coupled conductor and a reverse coupled conductor. The main conductor, the forward coupled conductor and the reverse coupled conductor are arranged in parallel within the housing such that the main conductor and the forward coupled conductor define a... Agent: St. Onge Steward Johnston & Reens, LLC

20070222540 - Antenna sharing device and portable telephone: An antenna sharing device has a common signal terminal pair, a first terminal pair, a second terminal pair, a first filter, a second filter, a first inductor element, second inductor elements, third inductor elements. The second and third inductor elements have a plurality of inductor elements, respectively. An inductor element... Agent: Amin, Turocy & Calvin, LLP

20070222541 - Electromechanical filter: An electromechanical filter capable of attaining a size reduction and a higher integration and executing a high-sensitivity signal sensing is provided. A quantum device is used as a sensing portion to implement a fine and highly sensitive sensing. A microvibrator 101 that is able to resonate with an input signal,... Agent: Pearne & Gordon LLP

20070222542 - 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

20070216492 - Non-reciprocal circuit element and communication device: A non-reciprocal circuit element includes permanent magnets, a ferrite having center electrodes, a circuit substrate on which the permanent magnets and the ferrite are disposed, and an annular yoke. The circuit substrate has substantially rectangular surfaces. The permanent magnets and the ferrite are disposed on a front surface of the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070216493 - Transmission line to waveguide transition: In one aspect, an embodiment of the invention provides a transition from a planar substrate/chip circuit microwave transmission line to waveguide transmission media on the back of the substrate/chip. The transition enables planar waveguide fed MMW ESA architectures to be realized within the tight grid spacing required for emerging MMW... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20070216494 - Dynamic, non frequency dispersive, rf power division by means of variable dielectric material properties: A monolithic thin film variable power divider is disclosed for variable power level distribution. The thin film power divider includes a substrate having a main surface, a first stage and a second stage, each formed as thin film networks on the main surface of the substrate. The first stage includes... Agent: Birch Stewart Kolasch & Birch

20070216495 - Splitter/combiner circuit: A circuit for combining/splitting first and second RF signals having different wavelengths of x and y, respectively, the circuit comprising: (a) first and second transmission portions coupled at an intersection, the first transmission portion comprising at least two intersecting transmission lines, each having a length which is an odd multiple... Agent: Tyco Technology Resources

20070216496 - Electromechanical filter: An object is to provide an electromechanical filter which can define a vibration mode so that a vibrator can be excited only in a desired vibration mode, that is, a filter which can suppress any vibration mode other than a desired vibration mode. The electromechanical filter includes a first member... Agent: Pearne & Gordon LLP

20070216497 - Method and apparatus for signal processing using electrowetting: An apparatus comprising a tuning device having at least one control electrode and a ground electrode located over a substrate and an electrically conductive fluid in contact with the control and ground electrodes. The tuning device also has at least one electrical transmission line electrically coupled to the fluid, the... Agent: Hitt Gaines, PC Alcatel-lucent

20070216498 - Low-pass filter: A low-pass filter (10) includes an input line (100), an output line (120), a high impedance transmission line (140), a first low impedance transmission line (160), a second low impedance transmission line (180), and a stub (190). The high impedance transmission line includes a first connecting portion (142) electronically connected... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070216499 - Micro band-pass filter: A micro band-pass filter includes a first capacitor, a first resonator, a second capacitor, a second resonator, a third capacitor, a third resonator, an input portion, and an output portion. The first, second, and third resonators all have one end grounded, and have another end connected to the first capacitor,... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070216500 - Device for removing heavy contaminants from an apparatus for treating a fibrous suspension, in particular from a hydrocyclone that can be operated for cleaning a fibrous suspension: Device and method for removing heavy contaminants from an apparatus for treating a fibrous suspension. The device includes at least one connection part being coupleable to a heavy contaminants outlet of the apparatus. The at least one connection part includes an inner surface having a polygonal cross section and at... Agent: Greenblum & Bernstein, P.L.C

20070216501 - Traveling wave switch having fet-integrated cpw line structure: A traveling-wave switch having a FET-integrated Coplanar Waveguide (CPW) line structure. The newly designed FET-integrated CPW line structure incorporating a transistor, a signal line, and the ground, that can be used to eliminate the limitations imposed by the parasitic inductance of the prior art on the operation frequency of the... Agent: Lin & Associates Intellectual Property

20070210882 - Ortho-mode transducer with opposing branch waveguides: There is disclosed an ortho-mode transducer fabricated as a single piece. The ortho-mode transducer may include a first surface having an aperture defining a common port, a second surface having an aperture defining a vertical port, and a third surface having an aperture defining a horizontal port. The second and... Agent: SocalIPLaw Group LLP

20070210873 - Reconfiguring impedance matching for high power circuits: A method and an apparatus are provided for impedance matching using an analog circuit. The method comprises providing the analog circuit to substantially match a start impedance to an end impedance and tuning a performance parameter of an associated circuit using the analog circuit operating at a high power level.... Agent: Williams, Morgan & Amerson

20070210874 - Superconductive filter capable of easily adjusting filter characteristic and filter characteristic adjusting method: A resonator pattern made of superconductive material is disposed over a first surface of a base substrate made of dielectric. An adjustment substrate made of dielectric is disposed facing the first surface at a distance from the first surface. The adjustment substrate is supported by a support mechanism for supporting... Agent: Armstrong, Kratz, Quintos, Hanson & Brooks, LLP

20070210877 - Piezoelectric thin film device: In a film bulk acoustic resonator, a piezoelectric thin film is supported by a support substrate via an adhesive layer. An upper electrode and a lower electrode each having predetermined pattern are formed on upper and lower surfaces of the piezoelectric thin film. Further, on the upper surface of the... Agent: Burr & Brown

20070210878 - Piezoelectric thin film device: A film bulk acoustic resonator has a configuration where an adhesive layer, a lower electrode, a piezoelectric thin film, and an upper electrode are laminated in this order on a support substrate. A drive section of the upper electrode and a drive section of the lower electrode are opposed to... Agent: Burr & Brown

20070210876 - Fbar filter: An FBAR filter added with a balance-unbalance conversion function is provided. The FBAR filter includes: an FBAR filter device having two unbalanced terminals, and which performs filtering of a signal between such terminals; and a balance-unbalance converter having one unbalanced terminal and one pair of balanced terminals, and which performs... Agent: Greenblum & Bernstein, P.L.C

20070210875 - Piezoelectric plate electric connection structure: A piezoelectric plate electric connection structure aims to receive an input voltage from a voltage source and goes through a polarization process to deliver an output voltage. It has an input electrode on a piezoelectric plate to receive input from the voltage source and an output electrode to deliver the... Agent: Birch Stewart Kolasch & Birch

20070210879 - Switchable tunable acoustic resonator using bst material: An acoustic resonator includes a first electrode, a second electrode, and a barium strontium titanate (BST) dielectric layer disposed between the first electrode and the second electrode, where the acoustic resonator is switched on as a resonator with a resonant frequency if a DC (direct current) bias voltage is applied... Agent: Fenwick & West LLP

20070210880 - Carrier less modulator using saw filters: A system and method of carrier less modulation is described in this disclosure that uses SAW filters as a modulator in addition to their conventional use as filters for band limiting an UWB system. This system and method is primarily designed to be used with any integer cycle, ultra-wide band... Agent: Dennis L. Cook, Esq. The Law Offices Of Dennis L Cook PLLC

20070210881 - Band-pass filter: A band-pass filter (10) includes a first resonator (140), a second resonator (160), a third resonator (180), an input part (100), and an output part (120). The input part is for receiving electromagnetic signals. The first resonator is electronically connected to the input part. The second resonator is parallel to... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070210883 - Substrate with strip conductors and production of strip conductors on substrates for semiconductor components: A substrate including strip conductors with a wiring pattern that connects contact areas to one another. The strip conductors have a small strip conductor width. The contact areas and/or the strip conductors form a narrow connection pitch and include electrically conductive carbon nanotubes.... Agent: Edell, Shapiro & Finnan, LLC

20070205846 - Filter circuit: A filter circuit includes a signal source, an inductor, a load, and a compensator. The inductor and the load are connected between two terminals of the signal source in series. The compensator is connected in parallel with the inductor.... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070205845 - High-frequency signal coupling device: A device for coupling high-frequency signals between a first component and a second component is adapted to supply a first bias voltage-current pair to the first component and a second bias voltage-current pair to the second component.... Agent: Sughrue Mion, PLLC

20070205847 - Via transmission lines for multilayer printed circuit boards: A via transmission line for a multilayer printed circuit board (PCB) in which a wave guiding channel is formed by a signal via or a number of signal vias, an assembly of ground vias surrounding the signal via or corresponding number of coupled signal vias, a set of ground plates... Agent: Hayes Soloway P.C.

20070205848 - Termination circuits and semiconductor memory devices having the same: A termination circuit is connected to an input buffer receiving a data signal, and includes at least one termination resistor connected to the input buffer for impedance matching. At least one switch controls a connection between the input buffer and a corresponding one of the at least one termination resistors.... Agent: Harness, Dickey & Pierce, P.L.C

20070205849 - Frequency-selective transformer and mixer incorporating same: The frequency-selective transformer comprises a capacitative transformer and an electromechanical resonator. The capacitative transformer comprises a first port, a second port, and a third port. The electromechanical resonator is connected between the second port and the third port of the capacitative transformer and has a series resonance and a parallel... Agent: Agilent Technologies Inc.

20070205850 - Piezoelectric resonator structures and electrical filters having frame elements: Film bulk acoustic resonators (FBARs) having frame elements and filters including the resonators are described.... Agent: Kathy Manke Avago Technologies Limited

20070205851 - Stacked resonator and filter: A stacked resonator and a filter are provided which are capable of achieving miniaturization and minimum loss, and also capable of transmitting a balanced signal with superior balance characteristics. There are provided a pair of quarter-wave resonators which are interdigital-coupled to each other. One quarter-wave resonator is constructed of a... Agent: Oliff & Berridge, PLC