Wave transmission lines and networks inventions 04/07

20070090892 - Acoustic galvanic isolator incorporating single decoupled stacked bulk acoustic resonator: Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and an electrically-isolating acoustic coupler connected between the modulator and the demodulator. The acoustic coupler comprises no more than one decoupled stacked bulk acoustic resonator... Agent: Avago Technologies, Ltd.

20070090893 - Symmetrizing arrangement: A re-balancing device (1) comprising a line (12). Said line comprises a first pole (3) of a first conductor (2) and a first pole (6) a second conductor (5) on a first side (8), in addition to a second pole (7) of a first conductor (2) and a second pole... Agent: Lewis, Rice & Fingersh, Lc Attn: BoxIPDept.

20070090894 - Printed circuit boards for high-speed communication: Apparatus and method for communicating high-speed signals between a primary printed circuit board and one or more secondary printed circuit boards. The high-speed signals are communicated between the primary printed circuit boards and the secondary printed circuit boards through multi-layer flexible conductors.... Agent: William L. Botjer

20070090895 - Surface acoustic wave device: A surface acoustic wave device having a surface acoustic wave filter having a comb-shaped electrode pattern formed on a piezoelectric element, electrode terminals for inputting and outputting of the surface acoustic wave filter are connected with corresponding electrode patterns of a package through bumps, wherein the comb-shaped electrode pattern has... Agent: Arent Fox PLLC

20070090896 - Simplified phase shifter: The invention discloses a phase shifter (200, 300) for an electrical signal, comprising input means for said signal, additionally comprising first (120) and second (130) alternative signal paths, the second signal path being achieved by means of an additional signal path (130) which has both its starting and ending point... Agent: Nixon & Vanderhye, PC

20070090897 - Flap resonator, method of manufacturing a flap resonator, and integrated circuit including the flap resonator: Flap resonator, comprising a first electrode and a second electrode, the second electrode comprising a support part separated from an adjacent end of the first electrode by a dielectric part, and a beam part extending from said support part and over at least a part of a surface of the... Agent: Harness, Dickey & Pierce, P.L.C

20070090898 - Boundary acoustic wave device: A boundary acoustic wave device includes a solid layer laminated onto a single crystal substrate, electrodes provided between the single crystal substrate and the solid layer, and boundary acoustic wave elements provided on the single crystal substrate having the same cut angle, wherein the propagation direction of one of the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070090899 - Electronically tunable dielectric resonator circuits: In order to permit electronic tuning of the frequency of a circuit including dielectric resonators, such as a dielectric resonator filter, tuning plates are employed adjacent the individual dielectric resonators. The tuning plates comprises two separate conductive portions and an electronically tunable element electrically coupled therebetween. The electronically tunable element... Agent: Tyco Technology Resources

20070090900 - Band-pass filter: A band-pass filter (10) for reducing harmonic electromagnetic signals includes an input line (100), an output line (120), at least one first resonator (140), and at least one second resonator (160). The input line inputs electromagnetic signals. The output line outputs electromagnetic signals. The first resonator includes a first grounded... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070090901 - Resonator: Inside a multilayer dielectric substrate, there are a spiral-shaped first slot set in a part of a first ground conductor layer and a spiral-shaped second slot in a part of a second ground conductor layer put on the front surface of the multilayer dielectric substrate, the first slot and the... Agent: Mcdermott Will & Emery LLP

20070085625 - Flexible capacitive coupler assembly and method of manufacture: A flexible capacitive coupler assembly includes a flexible dielectric substrate assembly having a front surface and a rear surface, the front surface having thereon a macroscopic metal capacitive pad. A package supports the flexible dielectric substrate. An electrical connection is made to package wiring or leads on the flexible dielectric... Agent: Cantor Colburn LLP-ibm Yorktown

20070085626 - Millimeter-wave band broadband microstrip-waveguide transition apparatus: Provided is a broadband microstrip-waveguide transition apparatus operating in a millimeter waveband. The millimeter-wave band broadband microstrip-waveguide transition apparatus includes a slot for transferring an electromagnetic signal propagating along a microstrip line, a main patch positioned between the slot and a waveguide and resonating from the signal transferred from the... Agent: Ladas & Parry LLP

20070085627 - Electronic high-frequency switch and attenuator with said high-frequency switches: In an electronic high-frequency switch, comprising a field-effect transistor as the switching element, the size of the gate voltage may be switched between at least two values (−5.5 V and −8 V), according to the desired linearity or switching speed. The switching device for the gate voltage is preferably coupled... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20070085628 - Dielectric device: A dielectric device includes a dielectric substrate, a plurality of resonator units, and first and second terminals. The dielectric substrate has an external conductor film thereon. Each of the resonator units has a hole and an internal conductor provided inside the hole and connecting with the external conductor film. The... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070085629 - Boundary acoustic wave filter: A boundary acoustic wave filter includes a first medium layer, a second medium layer laminated on the first medium layer, and IDT electrodes that are disposed at the boundary between the first and second medium layers and that define an electroacoustic transducer. In the boundary acoustic wave filter, the sound... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070085630 - Asymmetrical filter: Disclosed is methodology and apparatus for producing an asymmetrical filter for use with implantable medical devices, and in other input filtering environments. Differing forward and reverse characteristic responses are provided by inserting a low value resistor in series with heart connecting leads so that EMI input protection may be provided... Agent: Dority & Manning, P.A.

20070085632 - Acoustic galvanic isolator: Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and an electrically-isolating acoustic coupler connected between the modulator and the demodulator. In an exemplary embodiment, the electrically-isolating acoustic coupler comprises film bulk acoustic resonators... Agent: Agilent Technologies Inc.

20070085631 - Acoustic galvanic isolator incorporating film acoustically-coupled transformer: Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and, connected between the modulator and the demodulator, an electrically-isolating acoustic coupler comprising an electrically-isolating film acoustically-coupled transformer (FACT).... Agent: Avago Technologies, Ltd.

20070085633 - Device including piezoelectric thin film and method for producing the same: An acoustic resonator according to the present invention includes a substrate 105, a support section 104 provided on the substrate 105, a lower electrode 103 provided on the support section 104, a piezoelectric body 101 provided on the lower electrode 103, and an upper electrode 102 provided on the piezoelectric... Agent: Wenderoth, Lind & Ponack L.L.P.

20070085634 - Coil arrangement for a magnetic resonance apparatus: A coil arrangement for a magnetic resonance apparatus has a number of coil elements that are capable of being operated independently of one another and are situated around a common central area. Each coil element of the coil arrangement is capacitively or inductively decoupled from the coil elements of the... Agent: Schiff Hardin, LLP Patent Department

20070085635 - Waveguide coupler: Conventionally, waveguide terminals formed in a plurality of dielectric substrates are joined together by mounting the dielectric substrates on carriers and fastening them to a waveguide adapter with screws. In the present invention, to reduce cost and improve machinability, a plurality of solders 7 are disposed around the waveguide terminal... Agent: Buchanan, Ingersoll & Rooney PC

20070085636 - Waveguide coupler: Conventionally, waveguide terminals formed in a plurality of dielectric substrates are joined together by mounting the dielectric substrates on carriers and fastening them to a waveguide adapter with screws. In the present invention, to reduce cost and improve machinability, a plurality of solders 7 are disposed around the waveguide terminal... Agent: Buchanan, Ingersoll & Rooney PC

20070080755 - Method and apparatus for implementing common mode cable noise suppression for medium range frequencies: A method, apparatus, and a localized in-line cable filter system are provided for implementing electromagnetic cable noise suppression. The localized in-line cable filter system includes at least one electromagnetic interference (EMI) filter element connected between a cable and a current return path. An insulation displacement terminal connects the EMI filter... Agent: Ibm Corporation RochesterIPLaw Dept 917

20070080756 - Baw duplexer without phase shifter: A duplexer for connection with an antenna comprises an antenna port, a transmitting filter comprising bulk acoustic wave (BAW) resonators having a first antenna side impedance coupled with the antenna port, a receiving filter comprising BAW resonators having a second antenna side impedance coupled with the antenna port, and a... Agent: Baker Botts L.L.P. Patent Department

20070080757 - Composite filter chip: A composite filter chip includes a stacked chip made by stacking a first chip and a second chip. The first chip has a first filter circuit formed on the main surface thereof. The second chip has a second filter circuit formed on the main surface thereof.... Agent: Mcdermott Will & Emery LLP

20070080758 - Piezoelectric device and method for manufacturing the piezoelectric device: A piezoelectric device includes a piezoelectric substrate having a connection pad, a package having an electrode pad, and a connection member to connect the electrode pad to the connection pad, the connection member being a metal member having a plurality of spherical metal particles connected to each other by sintering.... Agent: Oliff & Berridge, PLC

20070080759 - Impedance matching and parasitic capacitor resonance of fbar resonators and coupled filters: A film acoustically-coupled transformer (FACT) has a first and a second stacked bulk acoustic resonator (SBAR 1, SBAR 2). Each SBAR has a stacked pair of film bulk acoustic resonators (FBARs) and an acoustic decoupler between the FBARs. Each FBAR has opposed planar electrodes and a layer of piezoelectric material... Agent: Avago Technologies, Ltd.

20070080760 - Printed wiring board assembly with self-compensating ground via: A multi-layer printed circuit board includes a first conductive layer including at least one conductor pattern and a plated through hole extending into the first conductive layer and intersecting the conductor pattern. A current diverting cutout in the conductor pattern is positioned proximate the intersection of the plated through hole... Agent: Wood, Herron & Evans, LLP

20070080761 - Resonator, filter, nonreciprocal circuit device, and communication apparatus: A dielectric substrate is provided with first and second conductor openings communicating with each other via a first slit, and third and fourth conductor openings communicating with each other via a second slit, and the slits intersect each other. With this structure two resonant modes including an even mode in... Agent: Dickstein Shapiro LLP

20070080762 - L-band inductive output tube: An inductive output tube (IOT) operates in a frequency range above 1000 MHz. An output window may be provided to separate a vacuum portion of the IOT from an atmospheric pressure portion of the IOT, the output window being surrounded by a cooling air manifold, the manifold including an air... Agent: Thelen Reid & Priest, LLP

20070080763 - Package for high frequency waves containing high frequency electronic circuit: In an embodiment of the invention, a package for high frequency waves mounted by a high frequency electronic circuit comprises an hermetic box-shaped high frequency package containing a high frequency electronic circuit in the inside and shielded by a conductor, an input terminal and an output terminal partly led out... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070080764 - Switch: A switch includes a first member, one end of which being secured to a substrate, multiple first beam portions respectively having multiple first contact portions, one ends of the multiple beam portions being secured to the first member, multiple contact switch portions connected in parallel, the multiple first contact portions... Agent: Arent Fox PLLC

20070075800 - Device for indivisual control of multiple circuit-unit using single cable and method thereof: Disclosed is a control device and method for individually controlling plural circuit-units connected along a single cable. The control device comprises a central unit, a cable emanatintg from the central unit, and plural circuit-units connected to the cable in parallel and each provided with a band pass filter having a... Agent: J.c. Patents, Inc.

20070075801 - Waveguide conversion devie, waveguide rotary joint, and antenna device: A waveguide conversion device including a rectangular waveguide connected to a circular waveguide, and an unnecessary-wave suppression groove provided at a mode conversion part between the rectangular waveguide and the circular waveguide. The unnecessary-wave suppression groove prevents an unnecessary transmission mode from being excited at the mode conversion part between... Agent: Dickstein Shapiro LLP

20070075802 - 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

20070075803 - Multi-band high-frequency circuit, multi-band high-frequency circuit component and multi-band communication apparatus using same: A multi-band high-frequency circuit for performing wireless communications among pluralities of communication systems having different communication frequencies, comprising a high-frequency switch circuit comprising switching elements for switching the connection of pluralities of multi-band antennas to transmitting circuits and receiving circuits; a first diplexer circuit disposed between the high-frequency switch circuit... Agent: Sughrue Mion, PLLC

20070075804 - Surface acoustic wave filter and transmitter-receiver: In order to realize low impedance of input and output by introducing unbalanced balanced input/output and reduction of the number of parts, and further in order to improve the out-of-band-characteristics, a structure such that two groups of longitudinal mode resonator type SAW filter units (3IDT-LCMR) having input and output phases... Agent: Jordan And Hamburg LLP

20070075805 - Phase shift circuit and phase correcting method: A phase shift circuit includes a 45° phase corrector that performs vector synthesis of signals supposed to have a 45° phase difference, out of a plurality of sets of orthogonal phase signals having an about 45° phase difference and an equal amplitude, the orthogonal phase signals in each set having... Agent: Staas & Halsey LLP

20070075806 - Electromechanical filter: An electromechanical filter includes a conductor acting as a signal line (movable electrode) 101, a magnetic field generating portion 102 for generating a magnetic field passing through the conductor, and a drive electrode 103 for changing the magnetic field passing through the signal line by displacing relative positions of the... Agent: Pearne & Gordon LLP

20070075807 - Coupling structure for cylindrical resonators: A filter module suitable for the filtering of electromagnetic waves includes a dielectric cylindrical resonator and one or more lines that supply or draw off electromagnetic waves to or from the dielectric resonator. The lines terminate in a contacting structure. The resonator has a variable separation from the lines, whereby... Agent: Lerner Greenberg Stemer LLP