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Wave transmission lines and networks September archived by title and patent number 09/08Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 09/25/2008 > patent applications in patent subcategories. archived by title and patent number
20080231387 - High-frequency module: In a high-frequency module, mounting lands arranged to mount at least one filter device having at least one set of an unbalanced terminal and two balanced terminals are provided at one side of a substrate top surface, and mounting lands arranged to mount at least one element electrically connected to... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP
20080231388 - Broadband balancing transformer: A balance-to-unbalance transformer (balun) comprising a first signal input/output with two symmetrical poles, a second signal input with one pole, several first conductor loop regions, which are located between the two poles of the first signal input and the ground and a second series connection of several conductor loop regions,... Agent: Lewis, Rice & Fingersh, Lc Attn: BoxIPDept.
20080231389 - Dual band coupled-line balanced-to-unbalanced bandpass filter: A dual band balun filter, that includes a first coupled-line section pair provided with a first terminal; a second coupled-line section pair configured to be connected to the first coupled-line section pair, a third coupled-line section pair, and a fourth coupled-line section pair, respectively, and the fourth coupled-line section pair... Agent: Seed Intellectual Property Law Group PLLC
20080231390 - Matching impedance method, impedance matching circuit, and personal computer employing the impedance matching circuit: An exemplary impedance matching circuit (20) includes a signal processing circuit (22) and a variable resistance unit (24). The signal processing unit is configured for identifying a frequency of a signal from an external transmission line (23), generating an identification signal according to the frequency. The variable resistance unit is... Agent: Wei Te Chung Foxconn International, Inc.
20080231394 - Methods and apparatus for compensating for skew in a differential signal using non-complementary inverters: Methods and apparatus are provided for compensating for skew in a differential signal using non-complementary inverters. A skew attenuator is provided for a differential signal having a P rail and an N rail. The skew attenuator comprises one or more non-complementary inverters for compensating for skew between the P rail... Agent: Ryan, Mason & Lewis, LLP
20080231391 - Dielectric device: A dielectric device includes a dielectric substrate and a resonator unit. The resonator unit includes first and second holes. The first hole opens on a first surface of the dielectric substrate and extends toward a second surface opposite to the first surface. A first internal conductor is provided inside the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.
20080231392 - Method of generating strong spin waves and spin devices for ultra-high speed information processing using spin waves: Provided are a method of generating strong spin waves, a method of simultaneously generating spin waves and electromagnetic waves, a logic operation device using spin waves, a variety of spin wave devices employing the same, and a method of controlling phases of spin waves. In the method of generating spin... Agent: Ladas & Parry LLP
20080231393 - Structure design for minimizing on-chip interconnect inductance: A semiconductor device comprising a signal line and ground line is disclosed. The signal line comprises an opening and at least a portion of the ground line is in the opening in the signal line.... Agent: Thomas, Kayden, Horstemeyer & Risley LLP09/18/2008 > patent applications in patent subcategories. archived by title and patent number
20080224790 - Balance filter and duplexer: A balance filter includes a first filter having first multimode surface acoustic wave (SAW) filters connected in parallel, a second filter that is connected to the first filter and includes a second multimode SAW filter, a first terminal connected to the first filter, and second terminals connected to the second... Agent: Arent Fox LLP
20080224791 - Integrated balanced-unbalanced duplexer: Circuitry, architectures, devices and systems for multi-band radio communications using a balanced-unbalanced duplexer. An integrated balanced-unbalanced duplexer for multi-band communications may include an unbalanced multi-band port; a first balanced single-band port; a second balanced single-band port; a first unbalanced coupling arm conductively coupled to the unbalanced multi-band port; a second... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.
20080224792 - Methods and apparatuses for suppressing interference: Embodiments of the invention provide an adaptive notch filter that employs a power detector as a feedback control mechanism to steer the notch filter. One such embodiment of the invention provides adaptive control of the notch filter capacitor to tune the notch filter frequency based upon a diode power detector.... Agent: Thelen Reid Brown Raysman & Steiner LLP
20080224793 - Joint phased training of equalizer and echo canceller: A method and apparatus for joint training of an analog equalizer (AEQ) and an analog echo canceller (AEC), which both process an input analog signal in the analog domain. In one embodiment, the method includes joint training the AEQ and the AEC using independent analog error signals.... Agent: Blakely Sokoloff Taylor & Zafman LLP
20080224794 - High power bipolar pulse generators with impedance transformation: The generator may be implemented with one or two switches in a three, five or more transmission line implementation and may include inductive stub, which is inherent element of transmission line transformers. The generator may also be implemented in a multi-layer folded configuration, with or without the addition of a... Agent: Bingham Mccutchen LLP
20080224795 - Active balun: An active balun for improving a phase matching characteristic includes a transistor part which has an input terminal receiving an input signal and first and second output terminals which output signals corresponding to the input signal, and a capacitance matching part provided on the side of one of the first... Agent: Sughrue Mion, PLLC
20080224796 - Balanced-unbalanced transformation device and method for manufacturing balanced-unbalanced transformation device: A balanced-unbalanced transformation device includes a plate-like dielectric substrate having a ground electrode and a plurality of major surface electrodes formed thereon. Two of the major surface electrodes are connected to the ground electrode via short-circuit side surface electrodes so as to form ¼ wavelength resonator transmission lines. A third... Agent: Dickstein Shapiro LLP
20080224801 - Digital attenuation apparatus having ultra broadband and excellent attenuation characteristics: Provided is a digital attenuation apparatus having ultra broadband and excellent attenuation characteristics. The digital attenuation apparatus includes an input port, an output port, a first transmission line, a second transmission line, a first switching device, a third transmission line, a first resistive element, a second resistive element, a fourth... Agent: Rabin & Berdo, PC
20080224802 - Waveguide attenuator having coaxial probes: Various methods and devices are provided for attenuating RF signals propagating within a waveguide. In particular, a plurality of coaxial probes are incorporated into the waveguide for the purpose of attenuating X-band RF signals. In one embodiment, a 7-bit, 3 dB linear digital attenuator is provided having a waveguide in... Agent: Nutter Mcclennen & Fish LLP
20080224797 - Rf re-entrant combiner: Various embodiments are described herein for a combiner. The combiner includes first and second transmission lines, a dielectric material disposed about the first and second transmission lines, an intermediate conductor arrangement disposed about the dielectric material, and an outer conductor arrangement disposed about the intermediate conductor. The dielectric material has... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP
20080224798 - Active step attenuator: An active step attenuator can attenuate the RF signal from a cable modem or other RF source. The active step attenuator converts the RF energy into a DC control signal that controls the attenuation applied to the RF signal. The voltage of the control signal is proportional to the RF... Agent: Alston & Bird LLP
20080224799 - Saw filter device: A SAW filter device includes a SAW filter chip in which one-port surface acoustic wave resonators each including an IDT made of Al or an Al alloy, are provided on a θ-rotated Y-cut X-propagation LiNbO3 substrate. The cutting angle θ of the θ-rotated Y-cut X-propagation LiNbO3 substrate is in the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP
20080224800 - Dielectric filter, chip device and method of manufacturing the chip device: A chip device having a ground electrode and a plurality of top-surface electrodes on a plate-like dielectric substrate. Two of the top-surface electrodes are connected to the ground electrode via respective short-circuit side-surface electrodes to form quarter wavelength resonant lines. A third top-surface electrode is provided between the two top-surface... Agent: Dickstein Shapiro LLP09/11/2008 > patent applications in patent subcategories. archived by title and patent number
20080218285 - High-speed digital transmission signle line: A high-speed digital transmission signal line providing better dynamic resistance to be applied in an LVDS transmission system and functioning as an electronic line, an optical line, and a serial advanced technology attachment (SATA) includes a conductive layer in thickness of 0.018˜0.1 mm and in width of 0.2˜0.8 mm; a... Agent: Troxell Law Office Pllc Suite 1404
20080218287 - Circuit and method for adjusting impedance: An impedance adjusting circuit includes a semiconductor device accommodated in a semiconductor device case which has case pins and having a folded conductive line; an external reference resistor connected between a positive power supply line and a first one of the case pins, wherein a first line between the first... Agent: Jackson Chen Nec Corporation Of America
20080218286 - Compact automatic impedance adapter in a waveguide: The invention relates to a compact automatic impedance adapter in a waveguide, characterised in that the impedance is controlled by plungers, filling the entire guide with a magic-tee coupler plane E/plane H modifying the electrical and magnetic field, one plunger modifying the electrical field (E) in the guide and the... Agent: Duane Morris LLP Ip Department
20080218288 - Nonreciprocal circuit device: A nonreciprocal circuit device includes a ferrite to which a direct magnetic field is applied using permanent magnets, central electrodes arranged on the ferrite, and a circuit substrate. The first central electrode is made of conductive films, and the second central electrode is made of conductive films. Some of the... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP
20080218289 - Nonreciprocal circuit device and manufacturing method of the same: A nonreciprocal circuit device includes permanent magnets, a ferrite to which a direct current magnetic field is applied by the permanent magnets, first and second central electrodes arranged on the ferrite, and a circuit substrate. A ferrite-magnet assembly mounted on the circuit substrate is covered with a resin layer. The... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP
20080218290 - Automatic driver/transmission line/receiver impedance matching circuitry: An impedance matcher that automatically matches impedance between a driver and a receiver. The impedance matcher includes a phase-locked loop (PLL) circuit that locks onto a data signal provided by the driver. The impedance matcher also includes tunable impedance matching circuitry responsive to one or more voltage-controlled oscillator control signals... Agent: Downs Rachlin Martin Pllc
20080218291 - 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: Docket Clerk
20080218292 - Low voltage data transmitting circuit and associated methods: A low voltage data transmitting circuit (LVDTC) may be connected to a first transmission line that transmits a first voltage signal to a receiver and a second transmission line that transmits a second voltage signal to the receiver. The LVDTC includes a first resistor coupled to the first transmission line,... Agent: Lee & Morse, P.c.
20080218293 - High frequency electromagnetic wave receiver and broadband waveguide mixer: The present invention provides a broadband waveguide mixer, comprising: a waveguide having a substantially v-shaped groove in its inner surface; a broadband antenna coupling in the V-groove; and mixing means for mixing signals received by the broadband antenna. The present invention further provides a high frequency electromagnetic wave receiver comprising... Agent: Nxp, B.v. Nxp Intellectual Property Department
20080218294 - Three-way splitter including a printed element: According to one exemplary embodiment, a three-way splitter includes a printed element and a resistive network comprising discrete resistors. A first printed branch, second printed branch, and third printed branch distribute a received communication signal to respective outputs having substantially the same phase, frequency, and impedance. Each printed branch includes... Agent: Farjami & Farjami LLP
20080218295 - Mems resonator array structure and method of operating and using same: A plurality of mechanically coupled MEMS resonators that are arranged in an N x M MEMS array structure. Each MEMS resonators includes a plurality of straight (or substantially straight) elongated beam sections that are connected by curved/rounded sections. Each elongated beam section is connected to another elongated beam section at... Agent: Kenyon & Kenyon LLP09/04/2008 > patent applications in patent subcategories. archived by title and patent number
20080211597 - Filter circuit: A filter circuit including first and second real filters of a zero-IF scheme. The first and second real filters receive an I component and a Q component separated from a reception signal, respectively; and a switch section for producing a complex filter by switchably connecting the first and second real... Agent: Myers Wolin, LLC
20080211598 - On-chip impedance matching using a variable capacitor: A system and a method for on-chip impedance matching, of at least two ports: an output source and an input load. The system includes an on-chip integrated impedance matching circuit (IMC) that comprises: at least one variable capacitor; a control unit that enables tuning of the variable capacitor, receiving and... Agent: Fleit Gibbons Gutman Bongini & Bianco Pl
20080211604 - High frequency circuit board converting a transmission mode for mounting a semiconductor device: A microstrip line includes a signal strip conductor and a ground conductor. A coplanar line includes two regions. A first region includes a signal strip conductor which is connected to the signal strip conductor of the microstrip line via a wire or the like and a ground strip conductor which... Agent: Harness, Dickey & Pierce, P.L.C
20080211599 - Method for determining cable termination resistances in communication networks and a corresponding communication network: The invention relates in general to a method for determining cable termination resistances in communication networks and a corresponding communication network, and is applicable especially to high-speed communication networks in automobiles, which uses dual-wire harnesses like FlexRay e.g. For this purpose a method for determining cable termination resistances in communication... Agent: Nxp, B.v. Nxp Intellectual Property Department
20080211606 - Temperature compensation attenuator: A temperature compensation attenuator comprises a base, a serial film thermistor and a parallel film resistor on the base, an input terminal and an output terminal which are connected to the serial film thermistor The serial film resistor is at least partially a film thermistor and the parallel film resistor... Agent: Matthias Scholl
20080211600 - Broad band mechanical phase shifter: Mechanical phase shifter which from an external feed signal obtains several signals out of phase with each other, each one of which is applied to an antenna of an array, so that the result of the interference of the radiated fields provides a radiation pattern. The object of the invention... Agent: Birch Stewart Kolasch & Birch
20080211601 - Discrete voltage tunable resonator made of dielectric material: A voltage tunable resonator is provided, including a dielectric base made of a dielectric material having at least one of a voltage dependent dielectric constant and piezoelectric characteristics. A metal contact having a predetermined area is provided on an outer surface of the dielectric base at a predetermined location to... Agent: Burr & Brown
20080211602 - High-frequency acoustic wave device: An acoustic wave device comprising a piezoelectric layer on an omnidirectional acoustic mirror and excitation and/or reception means on a surface of said piezoelectric layer, capable of exciting waves in a band gap of the acoustic mirror.... Agent: HowardIPLaw Group
20080211603 - Filter coupled by conductive plates having curved surface: Provided is a resonator filter using conductive plates having a curved surface to connect an input/output coaxial connector to a resonator. The resonator filter includes: a plurality of resonators for resonating; an input/output coaxial connector; an input/output supporting unit formed between the input coaxial connector and one of the resonators... Agent: Ladas & Parry LLP
20080211605 - Coupling lines for a yig filter or yig oscillator and method for producing the coupling lines: A coupling conductor for a YIG filter or YIG oscillator, which may be produced from a metallic foil by eroding, laser cutting and/or etching of a metallic foil. The coupling conductor includes at least one curved section, which at least partially surrounds a YIG element and at least one conductor... Agent: Marshall, Gerstein & Borun LLPPrevious industry: Modulators
Next industry: Tuners
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