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Wave transmission lines and networks October categorized by USPTO classification 10/11Below 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. 10/27/2011 > 9 patent applications in 8 patent subcategories. categorized by USPTO classification
20110260805 - Dual-track surface-wave filter: The present invention relates to an integrated dual-track surface-wave filter comprising two input interdigital transducers, an output interdigital transducer, and a shield stripe therebetween, which are integrated on a piezoelectric wafer. The integrated dual-track surface-wave filter is characterized in that the two input interdigital transducers share one output interdigital transducer... Agent:
20110260806 - High-frequency circuit, high-frequency device, and multiband communications apparatus: A high-frequency circuit for use in a multiband wireless apparatus for switching the connection between an antenna and transmission/reception circuits depending on signals for pluralities of communications systems, comprising a single-pole, multi-throw switch circuit comprising FET switch circuits between a common port connected to an antenna-side circuit and pluralities of... Agent: Hitachi Metals, Ltd.
20110260807 - Compact ortho-mode transducer: Ortho-mode transducer, with dual band frequency which is provided with a turnstile connection and an OMT-connection, where the ports of one of the bands or first band, are aligned with a longitudinal axis of the ortho-mode transducer arrangement, whereas the ports of the other band or second band, are arranged... Agent:
20110260808 - Electronic component and signal transmission method using the electronic component: Multiple transmission inductors are formed over a substrate. A signal input channel is coupled to the multiple transmission inductors and a same transmission signal is inputted to the multiple transmission inductors. A phase difference control section is provided in the signal input channel and controls a phase difference of the... Agent: Renesas Electronics Corporation
20110260809 - Surface acoustic wave device and surface acoustic wave oscillator: A surface acoustic wave device, includes: an interdigital transducer serving as an electrode pattern to excite a Rayleigh surface acoustic wave, the interdigital transducer including a comb-tooth-shaped electrode having a plurality of electrode fingers; a piezoelectric substrate on which the interdigital transducer is formed, the piezoelectric substrate being made of... Agent: Epson Toyocom Corporation
20110260810 - Out-of-plane mems resonator with static out-of-plane deflection: A microelectromechanical systems (MEMS) device includes a tuning electrode, a drive electrode, and a resonator. The resonator is anchored to a substrate and is configured to resonate in response to a signal on the drive electrode. The MEMS device includes a tuning plate coupled to the resonator and positioned above... Agent:
20110260811 - Cross-coupling filter elements in resonant structures with bulk waves having multiple harmonic resonances: The elementary filter of the HBAR type includes two resonators (20, 22) of the HBAR type which are each formed by a transducer (8) and a substrate (12) which are coupled in a suitable manner by electroacoustic waves. The first resonator (20), the second resonator (22) and the coupling element... Agent: Universite De Franche Comte
20110260812 - Balanced transmission line with parallel conductors: An antenna transmission line for feeding multiple items includes a first conductor member, a second conductor member, and a dielectric material positioned between the first and second conductor members, which prevents water from accumulating between the first and second conductive members. Means are provided to connect multiple elements to the... Agent:
20110260813 - Method for pseudo-differential transmission using a non-uniform interconnection: An interconnection having 4 transmission conductors and a return conductor distinct from the reference conductor cannot be modeled as a uniform multiconductor transmission line. Each end of the interconnection is connected to a termination circuit. Three damping circuits are connected between the return conductor and the reference conductor. The transmitting... Agent: Excem10/20/2011 > 7 patent applications in 7 patent subcategories. categorized by USPTO classification
20110254637 - Method and apparatus for managing interference in a communication device: A system that incorporates teachings of the present disclosure may include, for example, a matching network including a tunable reactance circuit configured to be coupled to at least one of a transmitter portion and a receiver portion of a communication device, wherein the tunable reactance circuit is adjustable to a... Agent: Paratek Microwave, Inc.
20110254643 - Communication device and communication system: There is provided a communication system including a transmitter and a receiver, each including a communication circuit unit that processes a high-frequency signal for transmitting data, a band-pass filter, and a high frequency coupler, a distributed constant line connecting the high frequency coupler and the band-pass filter of the transmitter,... Agent: Sony Corporation
20110254638 - Method and apparatus for managing interference in a communication device: A system that incorporates teachings of the present disclosure may include, for example, a matching network including a tunable reactance circuit configured to be coupled to at least one of a transmitter portion and a receiver portion of a communication device, where the tunable reactance circuit is adjustable to a... Agent: Paratek Microwave, Inc.
20110254639 - Duplexer and electronic device: A ladder type filter includes series resonators connected in series between an input terminal and an output terminal, parallel resonators connected in parallel between the input terminal and the output terminal, a resonator connected in series with the series resonators between the input terminal and the output terminal, the resonator... Agent: Taiyo Yuden Co., Ltd.
20110254640 - Diplexer for a reflector antenna: A diplexer for a reflector antenna includes a common circular signal waveguide to transmit and receive signals. The signal waveguide includes first and second ends with a common port provided at the first end. A waveguide arrangement is disposed coaxially relative to the signal waveguide in the region of the... Agent: Astrium Gmbh
20110254641 - Multi-band filter: A multi-band filter is disclosed which includes an input manifold; an output manifold; and a plurality of filters connected in parallel between the input manifold and output manifold. The filters have a first section proximal to the input manifold which is matched to the input manifold and a second section... Agent: Astrium Limited
20110254642 - Dielectric ceramic, dielectric resonator utilizing same, and method for manufacturing dielectric ceramic: Disclosed is a dielectric ceramic which contains, as the main component, a crystal containing La, Al, Ca and Ti and additionally contains a molybdenum oxide.... Agent: Kyocera Corporation10/13/2011 > 13 patent applications in 8 patent subcategories. categorized by USPTO classification
20110248801 - Ground loop isolator for a coaxial cable: A ground loop isolator for a coaxial cable, for example that blocks DC current but which allows a desired band of RF through the ground loop isolator, and which is small enough to fit in the areas where coupling of the desired electronic equipment is to occur. Embodiments may include... Agent:
20110248789 - Compensating for an electrostatic discharge capacitance load: In some embodiments a differential communication channel compensates for electrostatic discharge capacitance of an electrostatic discharge component by increasing an impedance of the differential communication channel near the electrostatic discharge component. Other embodiments are described and claimed.... Agent:
20110248790 - Apparatus and method for an a/b rf redundant sensing switch: An A/B RF automatic-set-up redundant sensing switch that monitors the relative differences in signal strength of the A and B paths and processes it according to a predetermined logic setting with no manual adjustment. When one of the paths is determined not to match the logic setting, it will switch... Agent: Viewteq Corp
20110248792 - Circuit arrangement with improved decoupling: A circuit arrangement includes a component having a closed signal path, that closed signal path connected to a first port, a second port and at least a third port. The component has a directed signal flow of a signal applied to one of that ports. Such a coupling device can... Agent: Infineon Technologies Ag
20110248791 - Metamaterial diplexers, combiners and dividers: A wireless device having a CRLH structure incorporates a power combiner/divider and diplexer. In one embodiment, circuit parameters are selected to achieve impedance matching using a transmission line structure.... Agent:
20110248793 - Band-pass filter based on crlh resonator and duplexer using the same: A CRLH resonator-based band-pass filter includes at least two CRLH resonators. The resonators are connected by capacitive coupling. The resonators includes a microstrip line having input and output ports. The microstrip line includes a first interdigital line serial-connected to the input port, a second interdigital line serial-connected to the output... Agent: Electronics And Telecommunications Research Institute
20110248794 - Antenna duplexer with high gps suppression: An antenna duplexer includes a transmission filter which operates in a transmission frequency band and has a transmission filter output. A reception filter operates in a reception frequency band and has a reception filter output. An antenna connection is connected to the transmission filter output and a matching element is... Agent: Epcos Ag
20110248795 - Band reject filters: Distributed band reject filters are disclosed. A band reject filter includes a first acoustic resonator and a second acoustic resonator, each of which has either shunt resonators adapted to resonate substantially at respective resonance frequencies defining a rejection frequency band or series resonators adapted to anti-resonate substantially at respective anti-resonance... Agent: Nortel Networks Limited
20110248796 - Rf feed network for modular active aperture electronically steered arrays: A feed network for an antenna subarray includes a first feed arrangement having an sum output, a second feed arrangement having an delta output, a fixed attenuator having a first port and a second port, the first port connected to the delta output of the second feed arrangement, a first... Agent: Raytheon Company
20110248797 - Tunable delay system and corresponding method: The present invention relates to a tunable delay system and corresponding method for delaying a signal. The system includes an oscillator for providing a carrier. A first mixer modulates the signal with the carrier. The modulated signal is delayed in a metamaterial transmission line. Afterwards, a second mixer is used... Agent:
20110248800 - Filter based on a combined via structure: A filter is provided with a planar transmission line and a combined via structure connected to (both) one ends of the planar transmission line. The planar transmission line and the combined via structure are disposed in a same multilayer board. The combined via structure comprises two working parts. The first... Agent:
20110248799 - Millimetre wave bandpass filter on cmos: Q of resonant elements formed over lossy substrates such as in a CMOS process is improved by forming the ground plane of the resonant element immediately over a high impedance layer to reduce cross coupling and eddy currents. A new type of meandering hairpin resonator configuration is also introduced providing,... Agent:
20110248798 - Projected artificial magnetic mirror: A projected artificial magnetic mirror (PAMM) includes conductive coils, a metal backing, and a dielectric material. The conductive coils are arranged in an array on a first layer of a substrate and the metal backing is on a second layer of the substrate. The dielectric material is between the first... Agent: Broadcom Corporation10/06/2011 > 15 patent applications in 15 patent subcategories. categorized by USPTO classification
20110241804 - High-frequency coupler and communication device: A high-frequency coupler and a communication device are compact, capable of efficiently communicating a large volume of data over a short distance and can be used in combination with a non-contact IC card. The high-frequency coupler includes magnetic-field-generating patterns and a surrounding pattern disposed around a periphery thereof, and is... Agent: Murata Manufacturing Co., Ltd.
20110241793 - Semiconductor device and method of forming rf balun having reduced capacitive coupling and high cmrr: A semiconductor device has an RF balun formed over a substrate. The RF balun includes a first conductive trace wound to exhibit inductive properties with a first end coupled to a first terminal of the semiconductor device and second end coupled to a second terminal of the semiconductor device. A... Agent: Stats Chippac, Ltd.
20110241807 - Control apparatus and method, and signal processing apparatus: A control apparatus controls a signal processing unit. The signal processing unit is mounted within a case and includes a waveform shaping unit which performs a waveform shaping process on an inputted signal. The control apparatus includes: an obtaining device which obtains (i) mounting information indicating a mounting state of... Agent: Fujitsu Limited
20110241794 - Printed circuit board impedance matching step for thick substrate broadband microwave (millimeter wave) devices: An impedance matching ground plane step, in conjunction with a quarter wave transformer section, in a printed circuit board provides a broadband microwave matching transition from board connectors or other elements that require thin substrates to thick substrate (>quarter wavelength) broadband microwave (millimeter wave) devices. A method of constructing microwave... Agent:
20110241795 - Bandpass filter: A bandpass filter of the present invention includes: rectangular waveguides which are divided into two in a center of a broad plane; and a metal plate which has a substantially ladder shape, and is disposed between the rectangular waveguides in parallel with a narrow plane of the rectangular waveguides, and... Agent:
20110241796 - On-chip high performance slow-wave coplanar waveguide structures, method of manufacture and design structure: On-chip high performance slow-wave coplanar waveguide structures, method of manufacture and design structures for integrated circuits are provided herein. The structure includes at least one ground and a signal layer provided in a same plane as the at least one ground. The signal layer has at least one alternating wide... Agent: International Business Machines Corporation
20110241797 - Method for tuning a rf front-end circuit using an on-chip negative transconductance circuit to make an oscillator: A radio-frequency (RF) front-end circuit includes a tunable filter, a negative transconductance circuit coupled with the tunable filter to produce a tuning oscillation signal, and a counter arranged to determine a frequency of the tuning oscillation signal. The RF front-end circuit also includes a control circuit arranged to shift the... Agent:
20110241798 - Resonator for communication system and filter using the same: Provided are a resonator and a filter performing a filtering operation by using the resonator. The filter includes a first resonation unit connected in series to an input terminal and having a first resonant frequency, a filtering unit connected in series to the first resonation unit to filter a signal... Agent: Electronics And Telecommunications Research Institute
20110241799 - Multi-phase emi noise separator: Common mode (CM) and differential mode (DM) components of multi-phase conducted electromagnetic interference (EMI) noise emanating from electronic circuits such as power converters/inverters are separated by respective coupled inductors connected to each phase of three or more phases and which are coupled to each other differently for CM and DM... Agent:
20110241800 - Elastic wave device and method for manufacturing the same: A method of manufacturing an elastic wave device is provided with a lamination step of forming, on a substrate (1), a plurality of elastic wave devices, each of which includes a lower electrode (2), a piezoelectric film (3), and an upper electrode (4); a measuring step for measuring the operation... Agent: Taiyo Yuden Co., Ltd.
20110241801 - Reduced size cavity filters for pico base stations: An improved microwave cavity filter used in cellular communication systems such as base stations is disclosed. The cavity filter has a conductive housing forming a cavity therein and a hollow conductive resonator configured in the cavity with a folded hat shaped upper portion. A tuning screw extends from the top... Agent: Powerwave Technologies, Inc.
20110241802 - Tunable evanescent-mode cavity filter: A tunable filter having an electronically tunable center frequency and dynamic bandwidth control over a large tuning range. High-Q continuously tunable evanescent-mode cavity resonators and filters using reliable RF MEMS actuators. One embodiment is a 3.4-6.2 GHz (1.8:1 tuning ratio) continuously tunable electrostatic MEMS resonator with quality factor of 460-530,... Agent:
20110241803 - Signal transmission line: A signal transmission line includes a dielectric substrate having first and second surfaces opposite to each other, a first conductor layer provided between the first surface and the second surface and set at a ground potential, a first transmission line having a signal conductor that is provided on the first... Agent: Sumitomo Electric Industries, Ltd.
20110241805 - Waveguide connection between a multilayer waveguide substrate and a metal waveguide substrate including a choke structure in the multilayer waveguide: A rectangular conductor pattern is formed around a first waveguide on a multilayer dielectric substrate facing a metal substrate, with an end at about λ/4 away from a long side edge of the first waveguide, where μ is a free-space wavelength of a signal wave. A conductor opening is formed... Agent: Mitsubishi Electric Corporation
20110241806 - Variable impedance adapter for tuning system performance: A variable impedance adapter that has a value of characteristic impedance that is responsive to changes in the configuration of the adapter. In one embodiment, the variable impedance adapter includes an elongated section and a telescoping section that surround a center conductor that transmits an electrical signal across the adapter.... Agent: John Mezzalingua Associates, Inc.Previous industry: Modulators
Next industry: Tuners
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