Wave transmission lines and networks inventions 03/07

20070069832 - High isolation, low loss electronic interconnection: An interconnection includes a microcircuit package having a slot, and a receiving feature. A bead ring is fitted into the receiving feature. A center conductor extends through a dielectric support disposed in the bead ring and through the slot. The center conductor forms a coaxial transmission structure in cooperation with... Agent: Agilent Technologies Inc.

20070069833 - Galvanic isolation mechanism for a planar circuit: A mechanism for coupling a coaxial cable (108) to a planar circuit to provide galvanic isolation between the coaxial cable and the planar circuit while providing low transmission loss and reflections between the coaxial cable (108) and the circuit. The mechanism comprises a co-planar waveguide (211) coupled to the coaxial... Agent: Siemens Corporation Intellectual Property Department

20070069834 - High frequency device mounting substrate and communications apparatus: Terminal electrodes 9 for carrying a high frequency device 3 are formed on a surface of a circuit board having its reverse surface covered with a reverse surface conductor layer 6, and a plurality of signal lines 2 for exchanging a signal between the high frequency device 3 and an... Agent: Hogan & Hartson L.L.P.

20070069835 - Compact integration of lc resonators: A technique to provide a compact integration of inductor-capacitor resonator a capacitor having a top plate and a bottom plate embedding a dielectric layer. The top and bottom plates are substantially parallel to each other. An inductor having a first end is coupled to the capacitor at the bottom plate.... Agent: Blakely Sokoloff Taylor & Zafman

20070069836 - Multilayer filter: An objective is to provide a multilayer filter capable of preventing an electric current rapidly flowing by virtue of varistor effect, from passing as noise, upon application of noise of a high voltage over a varistor voltage to its input. A multilayer filter has an inductor part 10 and a... Agent: Oliff & Berridge, PLC

20070069837 - Surface acoustic wave filter: It is configured by forming first IDT (202) and second IDT (203) on piezoelectric substrate (201), and first IDT (202) is arranged between one terminal (204) of input/output terminals and other terminal (205) of the input/output terminals, i.e., serially to a signal path, and second IDT (203) is arranged in... Agent: Wenderoth, Lind & Ponack L.L.P.

20070069838 - Filter and radio communication device using the same: A filter includes a resonant unit which has a plurality of resonators respectively formed of each microstrip line and connected in cascade with one another, and a coupling unit which has at least one inter-resonator coupling of the resonant unit in an area within a range of ±45° (⅛-wavelength) in... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070069839 - Device for coupling suspended stripline and nrd guides: A hybrid microwave-coupling device for transmitting signals from non-radiative dielectric (NRD) waveguides to suspended striplines (SSL) or vice-versa. The two transmission lines are placed transversally with longitudinal side of the NRD guide facing the SSL for conversion of particular transverse electromagnetic (TEM) mode to Longitudinal Section Magnetic Mode (LSM).... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070063782 - Differential transmission line: A differential transmission line according to the present invention includes: a substrate 101; a ground conductor layer 105 formed on a rear side of the substrate 101; and a first signal conductor 102a and a second signal conductor 102b disposed in parallel to each other on a front side of... Agent: Mcdermott Will & Emery LLP

20070063783 - Differential transmission line: A differential transmission line according to the present invention includes: a substrate 101; a ground conductor layer 105 formed on a rear side of the substrate 101; and a first signal conductor 102a and a second signal conductor 102b disposed in parallel to each other on a front side of... Agent: Mcdermott Will & Emery LLP

20070063785 - Rotating data transmission device: A rotating data transmission device for computer tomographs, for transmission from a rotating part to a stationary part that is rotatably supported relative to the rotating part, comprises at least one dielectric waveguide assigned to the rotating part, at least one first line coupler for coupling electrical signals into the... Agent: Daffer Mcdaniel LLP

20070063784 - Nonreciprocal circuit device and communication apparatus: A nonreciprocal circuit device includes permanent magnets, a ferrite core to which a DC magnetic field is applied from the permanent magnets, center electrodes disposed on the ferrite core, a circuit substrate, a magnetic yoke, and an electromagnetic shield plate. The ferrite core and the permanent magnets are longitudinally disposed... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070063786 - Balanced-to-unbalanced converter: A balanced-to-unbalanced converter includes a transformer and a bias feeding circuit. The transformer has an unbalanced signal input/output (I/O) circuit and a balanced signal I/O circuit. The bias feeding circuit is electrically connected with the balanced signal I/O circuit of the transformer. The balanced-to-unbalanced converter equips with the bias feeding... Agent: Birch Stewart Kolasch & Birch

20070063787 - Antenna balun: The present antenna system includes a balun for coupling an antenna to a feed line. The balun has at least two transmission line transformers, such that the transmission line transformers are coupled in parallel at their inputs with the feedline, and coupled in series at their outputs with the antenna.... Agent: Edward G. Greive Renner, Kenner, Greive, Bobak, Taylor & Weber

20070063788 - System and method for a digitally tunable impedance matching network: The present disclosure relates generally to digitally tunable impedance matching networks. In one example, a digitally tunable impedance matching network is configured to produce an overall reactance value of approximately X, and includes multiple reactive components that are configured to produce a reactance value in the range of approximately zero... Agent: Haynes And Boone, LLP

20070063789 - Compact multilayer circuit: A compact multilayer signal processing system. In the illustrative embodiment, the system is adapted for use with microwave signals. The system includes a first mechanism for receiving an input signal and selectively routing the input signal onto a first signal path. A second mechanism routes the input signal along the... Agent: Leonard A. Alkov, Esq. Raytheon Company

20070063790 - Wideband catv signal splitter device: A wideband high frequency signal splitter device utilized in a signal distribution network is disclosed. An input signal having a substantially extended frequency bandwidth is applied to an input port of the proposed signal splitter from the upstream portion of a signal distribution network. Within the signal splitter the signal... Agent: Pearl Cohen Zedek, LLP Pearl Cohen Zedek Latzer, LLP

20070063791 - Radial power divider/combiner using waveguide impedance transformers: A radial power divider-combiner is disclosed. Such a radial divider-combiner may include a plurality of waveguides, each of which extends between a central monopole antenna and a respective peripheral monopole antenna. Such a waveguide may have a central portion with a height-to-width ratio of two, and a peripheral portion having... Agent: Woodcock Washburn, LLP

20070063792 - Circuit interconnection which reduces cross talk, simultaneous switching noise, required decoupling capacitance and method therefor: The purpose of the described invention is to provide a means to reduce cross talk (coupled signal distortion) between adjacent signal transmissions, to reduce simultaneous switching noise, and to reduce the need for decoupling capacitance. The method used to obtain these objectives is misaligning the rising or falling edges of... Agent: Clifford Clark

20070063793 - Polymer bulk acoustic resonator: A polymer bulk acoustic resonator that includes an active semiconductor layer, a first thin film electrode layer applied to the semiconductor layer, a thin film electro-active polymer layer applied to the first thin film electrode layer; and a second thin film electrode layer applied to the thin film electro-active polymer... Agent: John J. Elnitski, Jr.

20070063794 - Ring filter and wideband band pass filter using therewith: In order to provide a band pass filter for high wavelength which has a wideband, small insertion loss and flat passband and obtains steep attenuation, a plurality of ring filters, in which, an input terminal of a high-frequency signal is provided to an arbitrary point on a line in a... Agent: Richard P Berg Ladas & Parry

20070057745 - Multilayer planar balun transformer, mixers and amplifiers: A surface mountable transformer integratable into a printed circuit board. In one aspect, the transformer comprises two broadside vertically coupled transmission lines. In another aspect, the transformer may comprise two broadside vertically partially coupled transmission lines. The layout of the transformer is adaptable for use in microwave modules where transformers... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070057746 - Multiple switch mems structure and method of manufacture: A multiple switch MEMS structure has a higher resistance, higher durability switch arranged in parallel with a lower resistance, less durable switch. By closing the higher resistance, high durability switch before the lower resistance, less durable switch, the lower resistance, less durable switch is protected from voltage transients and arcing... Agent: Jaquelin K. Spong

20070057747 - Semi-coaxial cavity resonator, filter using the same, and communication apparatus using the same: In a semi-coaxial cavity resonator in which an inner conductor is fixed to an outer conductor with a screw, an inner cavity where the inner conductor does not engage with the screw is provided to extend from a bearing surface of the inner conductor to a region of an internal... Agent: Ostrolenk Faber Gerb & Soffen

20070057748 - Traveling wave arrays, separation methods, and purification cells: Various traveling wave grid configurations are disclosed. The grids and systems are well suited for transporting, separating, and classifying small particles dispersed in liquid or gaseous media. Also disclosed are various separation strategies and purification cells utilizing such traveling wave arrays and strategies.... Agent: Fay Sharpe LLP

20070057749 - Filter element: A filter element includes a coil part formed in an overall tubular shape by layering a pair of signal transmitting belt-shaped conductors and a grounding belt-shaped conductor with a belt-shaped insulator in between and winding so that the grounding belt-shaped conductor is outside a pair of signal transmitting belt-shaped conductors,... Agent: Greenblum & Bernstein, P.L.C

20070057750 - Band-pass filter: The present invention provides a band-pass filter having: a first substrate; a second substrate; an input line; an output line; a ground layer; and an electromagnetic wave absorptive layer, the input line being provided on a first surface of the first substrate, the input line extending from a first edge... Agent: Bacon & Thomas, PLLC

20070057751 - Efficiency-improved tuning assembly for radio frequency filters and method for forming the same: A tuning assembly for a radio frequency is disclosed. The tuning assembly includes: a tuning screw grasping unit integrally formed with a main body of the filter, which includes a tuning screw receiving unit and a fastening member for grasping a tuning screw; and a tuning screw inserted into the... Agent: Ladas & Parry LLP

20070052491 - 3d mmic balun and methods of making the same: A three dimensional (3D) monolithic integrated circuit (MMIC) balun and methods of making the same are provided. A primary spiral winding is spaced apart from a secondary primary winding by a gap in a substantially aligned stacked configuration forming a balun. The gap medium can be a low dielectric constant... Agent: Tarolli, Sundheim, Covell & Tummino L.l.p.

20070052492 - Broadband dc block impedance matching network: An apparatus in one example has: a substrate having a microstrip line; a capacitor at a predetermined location along the microstrip line, the capacitor producing a discontinuity; and a ground plane assembly on the substrate, the ground plane assembly having an opening that compensates for the discontinuity of the capacitor.... Agent: Carmen B. Patti & Associates, Llc

20070052493 - Method and system for monitoring power flow through an electric power transmission line: A conductor configuration and a power flow of an electric power transmission line set is determined at a location along the line set, and positions in a substantially planar area that is transverse to the line set are determined where a predetermined change in the power flow results in a... Agent: Stites & Harbison, Pllc

20070052494 - Resonator type filter: A resonator is connected in parallel to at least one serial-arm-connected resonator in a resonator type filter having a serial arm and a parallel arm. At this time, the resonance frequency of the resonator connected in parallel is set to be substantially the same as the resonance frequency of the... Agent: Mattingly, Stanger, Malur & Brundidge, P.c.

20070052495 - Tunable filter, duplexer and communication apparatus: Dielectrics fixed on holders respectively provided at semi-coaxial cavity resonator stages are movably inserted through an outer conductor. The holders projecting out of the outer conductor are coupled to a coupling member, and the coupling member is directed to slide or turn, so that distances between the dielectrics and the... Agent: Ostrolenk Faber Gerb & Soffen

20070052496 - High frequency feedback in telerobotics: Telerobotic systems with integrated high frequency feedback to enhance users' telerobotic experience are provided. The controller of the telerobotic system is characterized by combining high frequency information with low frequency position or velocity information. The controller is useful for teleoperations with delay and no-delay between the communication channels of the... Agent: Lumen Intellectual Property Services, Inc.

20070052498 - Breath-mode ring resonator structure, and method of designing, operating and using same: There are many inventions described and illustrated herein, as well as many aspects and embodiments of those inventions. In one aspect, the present invention is directed to one or more microelectromechanical ring resonator structures having a circular or substantially circular outer surface and a circular or substantially circular inner surface.... Agent: Neil A. Steinberg

20070052497 - Mems type oscillator, process for fabricating the same, filter, and communication unit: A MEMS resonator of the present invention includes an output electrode, a beam capable of oscillating disposed on an input side to face the output electrode and an input electrode, in which the output electrode and the input electrode 27 are separated from the beam in terms of DC. A... Agent: Sonnenschein Nath & Rosenthal LLP

20070052499 - Balanced type surface acoustic wave filter: In a balanced type surface acoustic wave filter, a first longitudinally coupled resonator-type surface acoustic wave filter portion connected to an unbalanced input terminal and a second longitudinally coupled resonator-type surface acoustic wave filter portion connected to first and second balanced input terminals are two-stage cascade connected. In the first... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070052500 - Snap in high power, high current connector with integrated emi filtering: A filter assembly is provided which includes a Faraday cage interface. Electrical noise is filtered by the Faraday cage interface. The Faraday cage interface is configured to prevent passage of electromagnetic waves.... Agent: General Motors Corporation Legal Staff

20070052502 - Coplanar resonator and filter using the same: A coplanar resonator which is comprised of a dielectric substrate, a center conductor formed in the surface thereof, and a ground conductor formed so as to surround the same center conductor, wherein the same center conductor is comprised of a main line conductor 31, formed by extension in a rectilinear... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.c.

20070052501 - Ring millimeter-wave filter: A ring millimeter-wave filter is a three-dimensional dual-mode ring filter. The ring millimeter-wave filter makes use of a three-dimensional coupling architecture as the feed of a filter to conquer the limit of the smallest spacing of a planar circuit made by the low-temperature cofired ceramic (LTCC) process so as to... Agent: Rosenberg, Klein & Lee

20070052503 - Stripline structure: A stripline structure. The stripline structure includes a stripline transmission line, a first ground plane, a first dielectric layer overlaying the first ground plane, a conductive trace overlaying the first dielectric layer, a second dielectric layer overlaying the conductive trace, a second ground plane overlaying the second dielectric layer, multiple... Agent: Avago Technologies, Ltd.

20070052504 - Waveguide/strip line converter: A waveguide/strip line converter includes a waveguide and a multilayer substrate. A second end of the multilayer substrate is fixed to an opening of the waveguide. The multilayer substrate includes a plurality of dielectric layers to form a plurality of substrate faces. A top substrate face includes a strip line... Agent: Harness, Dickey & Pierce, P.L.C

20070052505 - Impedance tuner systems and probes: An impedance tuner may include a transmission media for propagating RF signals, a reflection magnitude control device mounted in a fixed position relative to a direction of signal propagation along said transmission media, and a phase shifter to control a reflection phase. A multi-section probe for an impedance tuner system... Agent: Law Offices Of Larry K. Roberts, Inc.

20070046389 - Reduced cross-talk signaling circuit and method: Signaling between two or more ICs use a signaling scheme wherein a reference signal is generated at the driver side and the receiver side. The driver side reference signal is coupled to the receiver side reference signal with a transmission line channel forming a reference channel. Data signal channels are... Agent: Ibm Corp (wsm) C/o Winstead Sechrest & Minick P.C.

20070046390 - Two-port isolator and communication apparatus: A two-port isolator includes a first center electrode and a second center electrode which are wound around a ferrite to which a direct-current magnetic field is applied from permanent magnets, and the ferrite is mounted on a circuit board having built-in matching circuit devices. The ferrite is preferably substantially rectangular-parallelepiped-shaped... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070046391 - Methods and apparatus for symmetrical and/or concentric radio frequency matching networks: Apparatus and methods are provided that are adapted to match the impedance of an electrical load to an impedance of an electrical signal generator. The invention includes providing a plurality of electrical components adapted to collectively match the impedance of the electrical load to the impedance of the electrical signal... Agent: Dugan & Dugan, PC

20070046392 - Micro-cavity mems device and method of fabricating same: A MEM switch is described having a free moving element within in micro-cavity, and guided by at least one inductive element. The switch consists of an upper inductive coil; an optional lower inductive coil, each having a metallic core preferably made of permalloy; a micro-cavity; and a free-moving switching element... Agent: H. Daniel Schnurmann Intellectual Property Law

20070046393 - Power divider: An RF power divider circuit unequally divides an input signal into first and second signal components of unequal power. The circuit includes a single input port, first and second output ports, and a combination of a plurality of quarter wave transformers and a plurality of resistors coupled between the input... Agent: Leonard A. Alkov, Esq. Raytheon Company

20070046395 - Duplexer having matching circuit: A duplexer includes a first filter connected to a common terminal, a second filter connected to the common terminal, an additional inductor connected between at least one of the first and second filters and ground, a matching-use inductor connected between the common terminal and the ground, and a capacitor connected... Agent: Arent Fox PLLC

20070046394 - Filter and antenna duplexer: There is provided a filter including a first resonator, a second resonator in which an excitation efficiency is reduced more than the first resonator, and an inductor connected in parallel with the second resonator.... Agent: Arent Fox PLLC

20070046396 - Mems acoustic filter and fabrication of the same: A MEMS acoustic filter has a MEMS resonator and at least two acoustic I/O ports to alter an input acoustic signal to an output acoustic signal. The first I/O port is adapted for interfacing with a medium, and the second I/O port for passing an acoustic signal to an acoustic... Agent: Zeming M. Gao 3law Techlaw Services

20070046398 - Micromechanical structures having a capacitive transducer gap filled with a dielectric and method of making same: Micromechanical structures having at least one lateral capacitive transducer gap filled with a dielectric and method of making same are provided. VHF and UHF MEMS-based vibrating micromechanical resonators filled with new solid dielectric capacitive transducer gaps to replace previously used air gaps have been demonstrated at 160 MHz, with Q's˜20,200... Agent: Brooks Kushman P.C.

20070046397 - Nonlinear internal resonance based micromechanical resonators: A micromechanical resonator having a structure defining a first mode and a second mode and permitting non-linear internal resonance between the first and second modes. The resonator may further include a first component embodying a first mode and a second component embodying a second mode such that the first and... Agent: Brinks Hofer Gilson & Lione

20070046399 - Saw resonator: where λ is a wavelength of a surface acoustic wave, and B is an addition of a width a1 of an engaged section of electrode fingers of the first interdigital transducer, a width a2 of an engaged section of electrode fingers of the second interdigital transducer, and a distance b... Agent: Oliff & Berridge, PLC

20070046400 - Surface acoustic wave apparatus: A surface acoustic wave apparatus has a configuration by which the spurious of the higher-order transverse modes is suppressed and a SAW excitation intensity distribution is not changed in the propagation direction. The surface acoustic wave apparatus has at least one interdigital transducer; a region with the plurality of interleaved... Agent: Arent Fox PLLC

20070046401 - Standing wave particle beam accelerator having a plurality of power inputs: A device for generating a particle beam includes a particle source, and a structure having a first section and a second section, the first section coupled to the particle source, the first section having a first power input, and the second section having a second power input, wherein the first... Agent: Varian Medical Systems Technologies, Inc. C/o Bingham Mccutchen LLP

20070046402 - Planar dielectric line, high-frequency active circuit, and transmitter-receiver: A planar dielectric line having a first slot sandwiched between first and second electrodes is provided on a surface of a dielectric substrate. A second slot is positioned so as to face the first slot and is sandwiched between third and fourth electrodes on the rear face of the dielectric... Agent: Dickstein Shapiro LLP