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Wave transmission lines and networks

Below 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.
09/25/2014 > 18 patent applications in 14 patent subcategories.

20140285277 - Dielectric waveguide manufactured using printed circuit board technology: A dielectric waveguide may be manufactured by forming a set of parallel channels in a planar sheet that has a lower dielectric constant value. The set of channels is then filled with a material having a higher dielectric constant value. The planar sheet is sliced into a plurality of strips... Agent: Texas Instruments Incorporated

20140285278 - Ferrite circulator with asymmetric dielectric spacers: A circulator for a waveguide is provided. The circulator comprises a waveguide housing including a central cavity, and a ferrite element disposed in the central cavity of the waveguide housing, with the ferrite element including a first surface and an opposing second surface. The circulator also comprises a pair of... Agent: Honeywell International Inc.

20140285279 - Waveguide circulator with improved transition to other transmission line media: A waveguide circulator for an electro-magnetic field having a wavelength is provided. The waveguide circulator includes: N waveguide arms, where N is a positive integer; a ferrite element having N segments protruding into the N respective waveguide arms; at most (N−1) quarter-wave dielectric transformers attached to respective ends of at... Agent: Honeywell International Inc.

20140285280 - Grounding pattern structure for high-frequency connection pad of circuit board: Disclosed is a grounding pattern structure for high-frequency connection pads of a circuit board. A substrate of the circuit board includes a component surface on which at least a pair of high-frequency connection pads. At least a pair of differential mode signal lines are formed on the substrate and connected... Agent: Advanced Flexible Circuits Co., Ltd.

20140285289 - Horn antenna for launching electromagnetic signal from microstrip to dielectric waveguide: A horn antenna is formed within a multilayer substrate and has a generally trapezoidal shaped top plate and bottom plate formed in different layers of the multilayer substrate. A set of densely spaced vias form two sidewalls of the horn antenna by coupling adjacent edges of the top plate and... Agent:

20140285281 - Coupler to launch electromagnetic signal from microstrip to dielectric waveguide: A metallic waveguide is mounted on a multilayer substrate. The metallic waveguide has an open end formed by a top, bottom and sides configured to receive a core member of a dielectric waveguide, and an opposite tapered end formed by declining the top of the metallic waveguide past the bottom... Agent:

20140285282 - Power dividing phase shifter: A power divider phase shifter is a structure of a hybrid ring formed of a power divider ring and two coupling rings. The input end of the power divider ring serves as the input of the power dividing phase shifter, while the output end of the power divider ring is... Agent: Zheniang Zhongan Communication Science & Tecnology Co., Ltd. Cn)

20140285283 - Galvanically isolated, directional coupler: A galvanically isolated, directional coupler, especially for in- and out-coupling of high-frequency measurement signals of a radar fill-level measuring device, wherein two mutually engaging, oppositely bent, conductive traces are provided, wherein the two oppositely bent, conductive traces are so arranged that that they couple with one another over a region... Agent: Endress + Hauser Gmbh + Co. Kg

20140285284 - Broadband butler matrix device: A broadband butler matrix device includes a 90° branch-line hybrid coupler having an input terminal provided at one side thereof and configured to receive an input signal through the input terminal, and distribute and output the received signal such that the distributed signals have a phase difference of 90°. Further,... Agent:

20140285286 - Tunable filter systems, devices, and methods: Systems, devices, and methods for tunable filters that are configured to support multiple frequency bands, such as within the field of cellular radio communication, can include a first resonator and a second resonator configured to block signals within one or more frequency ranges, and one or more coupling element connected... Agent:

20140285285 - Tunable resonator: A tunable resonator includes at least one tunable capacitor coupled with at least one tunable inductor. The tunable resonator includes a mechanical tuning mechanism coupled with a connecting bridge and with first and second electrodes of the tunable inductor. The mechanical tuning mechanism also moves the first and second electrodes... Agent: Mcv Technologies, Inc.

20140285287 - Acoustic wave device: An acoustic wave device includes a piezoelectric substrate, an interdigital transducer (IDT) electrode provided on an upper surface of the piezoelectric substrate, a first dielectric film covering the upper surface of the piezoelectric substrate to cover the IDT electrode, and a second dielectric film covering an upper surface of the... Agent: Panasonic Corporation

20140285288 - Filter: Embodiments of the present invention disclose a filter, including: a conductive box body, and an insulating substrate, a first conductor, and a second conductor that are arranged inside the conductive box body. The insulating substrate includes a first surface and a second surface. The first conductor is arranged on the... Agent:

20140285290 - Dielectric waveguide combined with electrical cable: A communication cable includes one or more conductive elements surrounded by a dielectric sheath. The sheath member has a first dielectric constant value. A dielectric core member is placed longitudinally adjacent to and in contact with an outer surface of the sheath member. The core member has a second dielectric... Agent:

20140285291 - Dielectric waveguide with multiple channels: A multichannel dielectric wave guide includes a set of dielectric core members that have a length and a cross section shape that is approximately rectangular, The core members have a first dielectric constant value. A cladding surrounds the set of dielectric core members and has a second dielectric constant value... Agent:

20140285292 - Dielectric waveguide with corner shielding: A dielectric wave guide (DWG) has a longitudinal dielectric core member. The core member has a first dielectric constant value. A cladding surrounds the dielectric core member and has a second dielectric constant value that is lower than the first dielectric constant. A portion of the DWG is configured as... Agent:

20140285293 - Dielectric waveguide with rj45 connector: A communication cable includes a dielectric wave guide (DWG) that has a dielectric core member that has a first dielectric constant value and a cladding surrounding the dielectric core member that has a second dielectric constant value that is lower than the first dielectric constant. An RJ45 compatible connector is... Agent:

20140285294 - Retractable dielectric waveguide: A rotatable coupler for dielectric wave guides is described. A first dielectric wave guide (DWG) has an interface surface at a one end of the DWG. A second DWG has a matching interface surface at an end of the second DWG. A rotatable coupling mechanism is coupled to the two... Agent:

09/18/2014 > 29 patent applications in 26 patent subcategories.

20140266490 - Routing of dual strip lines to reduce crosstalk: A signal line design is described herein. A circuit board may include a first signal line and a second signal line. The first signal line includes a pair of signal lines at a first depth of a section of a circuit board, wherein a centerline extends lengthwise between the pair... Agent:

20140266491 - System and method for using a reference plane to control transmission line characteristic impedance: A system for using a reference plane to control transmission line characteristic impedance includes a signal trace located in a multi-layer structure and at least one constant thickness reference plane proximate to the signal trace, the constant thickness reference plane located with respect to the signal trace so as to... Agent: Avago Technologies GeneralIP(singapore) Pte.ltd.

20140266492 - Virtual rf sensor: A radio frequency (RF) generation system includes an impedance determination module that receives an RF voltage and an RF current. The impedance determination module further determines an RF generator impedance based on the RF voltage and the RF current. The RF generation system also includes a control module that determines... Agent: Mks Instruments, Inc.

20140266493 - Microstrip to closed waveguide transition: A transition (100, 300) from microstrip to waveguide, the waveguide comprising first (120) and second (105, 105′, 105″) interior surfaces connected by side walls (115, 116) whose height (h1, h2, h3) is the shortest distance between said interior surfaces, and a microstrip structure (130, 135, 110) extending into the closed... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140266495 - High frequency power amplifier: A high frequency power amplifier includes an FET chip, a wire connected at a first end to the FET chip, an input-side matching circuit substrate, a resistive element on the input-side matching circuit substrate and connected in series with the FET chip, a transmission portion of a conductive material on... Agent: Mitsubishi Electric Corporation

20140266494 - Integration of a replica circuit and a transformer above a dielectric substrate: A particular device includes a replica circuit disposed above a dielectric substrate. The replica circuit includes a thin film transistor (TFT) configured to function as a variable capacitor or a variable resistor. The device further includes a transformer disposed above the dielectric substrate and coupled to the replica circuit. The... Agent: Qualcomm Incorporated

20140266496 - Microwave connector with filtering properties: A microwave connector is provided. The microwave connector includes an outer conductor, an inner conductor disposed within the outer conductor and dielectric materials interposed between the outer conductor and the inner conductor, the dielectric materials including a non-dissipative dielectric material and a dissipative dielectric material.... Agent: International Business Machines Corporation

20140266518 - Step attenuator with constant input capacitance: A step attenuator with constant input capacitance and having good performance is disclosed. In an exemplary design, an apparatus includes a step attenuator having a constant input capacitance for different amounts of attenuation. The step attenuator receives an input signal, provides a variable amount of attenuation for the input signal,... Agent: Qualcomm Incorporated

20140266497 - Ac coupling circuit with hybrid switches and constant load: A coupling apparatus having plurality of branches and a resistive element is disclosed. Each branch may be configured to couple at least one of (i) a first input node and (ii) a second input node to a first output node through a plurality of switches and a plurality of capacitors.... Agent: Lsi Corporation

20140266498 - Transfer device for microwave signals: A transfer device for microwave signals is presented. The transfer device comprises a housing defining a cavity therein, input ports and output ports defined on walls of the housing and a translatably displaceable waveguide structure positioned within the cavity and including at least two selectable functional segments. In use the... Agent:

20140266499 - Adjustable directional coupler circuit: An adjustable directional coupler circuit includes a directional coupler and a correction circuit. The directional coupler includes a first port for receiving an input signal; a second port for outputting the input signal to a load; a third port for outputting a first coupled signal including a desired first coupled... Agent: Agilent Technologies, Inc.

20140266500 - Integrated circuit for transmitting and receiving an rf signal: An integrated circuit, comprising a single-ended pin for transmitting and/or receiving an RF signal. A first matching network is configured to match an impedance of the RF signal. A second matching network is configured to match an impedance of an on-chip differential circuit. A third matching network is configured to... Agent: Dialog Semiconductor B.v.

20140266501 - Transmission line having variable characteristic impedance: Discloses are a transmission line having variable characteristic impedance and a combiner configured to combine a plurality of filter by use of the transmission line. The transmission line in accordance with an embodiment of the present invention includes: a first filter junction being connected with a first RF filter and... Agent: Innerton, Inc.

20140266502 - Passive radio frequency signal handler: A multi-stage signal handling circuit. Operating as a combiner or splitter, first stage transformers match low input impedance at a first set of differential terminals, and second stage transformers match expected higher impedance at second terminal(s). Transformer windings are mirror image, vertically aligned, meandering conductive tracks disposed on opposite sides... Agent: Newlans, Inc.

20140266503 - Spiral surface electromagnetic wave dispersive delay line: Dispersive properties of a linear dispersive delay line are retained in a spiral configuration by constraining the radius of curvature depending on a desired propagation mode. The compact form factor spiral can be either a continuous spiral or a piecewise linear approximation. The spiral comprises a highly dielectric waveguide such... Agent: Ami Research & Development, LLC

20140266504 - Wide-band common mode filtering apparatus: A wide-band common mode filtering apparatus includes at least two cascaded common mode filters with different noise-filtering responses, wherein the cut-off frequency of the wide-band common mode filtering apparatus is at the lowest cut-off frequency of the common mode filters, and the noise-filtering response of the wide-band common mode filtering... Agent: Inpaq Technology Co., Ltd.

20140266505 - Device for emc filtering on a printed circuit: An EMC filtering device comprises a printed circuit comprising at least two parallel layers of a high-permittivity material, which are positioned between two layers of an insulating material that are parallel to one another and to the high-permittivity material layers. A core made of a magnetic material comprises three cylindrical... Agent: European Aeronautic Defense And Space Company Eads France

20140266506 - Transformer filter arrangement: A transformer filter arrangement (30) for passing signals at a fundamental frequency and suppressing signals at one or more interfering frequencies is disclosed. It comprises a transformer (100) having a first winding (110) and a second winding (120), wherein the first winding (110) has a first end (112a) and a... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140266507 - Power supply systems with filters: A filter for a power supply includes at least two inputs, at least two outputs, and a common mode choke coupled between the at least two inputs and the at least two outputs. Each input includes a pair of input terminals and each output includes a pair of output terminals.... Agent: Astec International Limited

20140266508 - Bandpass filter implementation on a single layer using spiral capacitors: A planar capacitor includes, in part, a first metal line forming spiral-shaped loops around one of its end point, and a second metal line forming spiral-shaped loops between the loops of the first metal line. The first and second metal lines are coplanar, formed on an insulating layer, and form... Agent: Qualcomm Incorporated

20140266510 - Microwave acoustic wave filters: An acoustic microwave filter comprises an input and an output, and a plurality of acoustic resonators coupled between the input and the output. The difference between the lowest resonant frequency and the highest resonant frequency of a plurality of resonators in the filter is at least 1.25 times the frequency... Agent:

20140266509 - Rotational mems resonator for oscillator applications: An apparatus includes a microelectromechanical system (MEMS) device. The MEMS device includes a resonator suspended from a substrate, an anchor disposed at a center of the resonator, a plurality of suspended beams radiating between the anchor and the resonator, a plurality of first electrodes disposed about the anchor, and a... Agent: Silicon Laboratories Inc.

20140266511 - Network synthesis design of microwave acoustic wave filters: Methods for the design of microwave filters comprises comprising preferably the steps of inputting a first set of filter requirements, inputting a selection of circuit element types, inputting a selection of lossless circuit response variables, calculating normalized circuit element values based on the input parameters, and generate a first circuit,... Agent: Resonant LLC

20140266512 - Cmos band-pass filter: A band-pass filter is provided that is configured to output a signal with a frequency within a desired frequency range and to attenuate signals with frequencies outside the desired frequency range. The band-pass filter comprises a CMOS resonator that comprises a resonator cavity and a reflector. The band-pass filter also... Agent: Tiawan Semiconductor Manufacturing Company Limited

20140266513 - Coaxial transmission line slot filter with absorptive matrix: A filter is provided and includes potting material formed into a body defining a through-hole. The body includes first and second opposing faces and a sidewall extending between the first and second opposing faces. The sidewall is formed to define first and second openings at opposite ends of the through-hole,... Agent: International Business Machines Corporation

20140266514 - Dielectric waveguide filter with direct coupling and alternative cross-coupling: A dielectric waveguide filter which, in one embodiment, is comprised of a plurality of monoblocks coupled together in a side-by-side relationship. In one embodiment, the waveguide filter includes two end monoblocks and two interior monoblocks each defining two resonators. First and second RF signal input/output electrodes are defined on the... Agent: Cts Corporation

20140266515 - Coaxial waveguide microstructures having an active device and methods of formation thereof: Provided are coaxial waveguide microstructures. The microstructures include a substrate and a coaxial waveguide disposed above the substrate. The coaxial waveguide includes: a center conductor; an outer conductor including one or more walls, spaced apart from and disposed around the center conductor; one or more dielectric support members for supporting... Agent: Nuvotronics, LLC

20140266516 - Differential passive equalizer: Disclosed in the present specification is a circuit board. The circuit board includes a first reference plane and a second reference plane, wherein the second reference plane includes a defected ground structure. The circuit board also includes a signal trace coupled to a signal via, wherein the signal trace is... Agent:

20140266517 - Radio frequency switch and processes of selectively regulating radio frequency energy transmission: Provided are radio frequency electromagnetic energy switches and processes of regulating the transmission of RF energy, that for the first time successfully employ a ChG PCM as a RF switching material. An inventive switch includes: a substrate; a first radio frequency energy conductive element on the substrate; a second radio... Agent: The Penn State Research Foundation

09/11/2014 > 12 patent applications in 6 patent subcategories.

20140253258 - System for reducing electromagnetic induction interference: An electromagnetic band gap device is provided, comprising: a conductive plane; a non-conductive substrate located over the conductive plane; and an electromagnetic band gap unit cell that includes a first via located in the non-conductive substrate and filled with a conductive material, a second via located in the non-conductive substrate... Agent: Freescale Semiconductor, Inc.

20140253263 - High power high frequency loads for energy recovery: A radio frequency load (100) for absorbing a radio frequency wave having a frequency in a predetermined frequency band and a wavelength λ comprises a waveguide (110;210) with a portion having an opening (112) for said radio frequency wave. In addition, the radio frequency load (100) comprises at least one... Agent: Cern-european Organization For Nuclear Research

20140253259 - Impedance compensation circuit: The present invention provides an adjustable radio frequency (“RF”) impedance method. Embodiments of the invention provide voltage adjustable RF impedance termination methods.... Agent:

20140253260 - High-frequency switch: A high-frequency switch configured to transmit differential signals including first and second signals, has first and second switches each comprising an input terminal configured to receive a signal and two output terminals configured to output the signal, and a substrate comprising a first surface mounted with the first and second... Agent: Omron Corporation

20140253261 - Increasing the minimum rejection bandwidth of a yig-tuned notch filter using a shunt yig resonator: A Yttrium Iron Garnet (YIG) tuned band reject filter using one or more Shunt YIG resonators provides for much wider minimum rejection bandwidths without increasing maximum 3 db bandwidths or spurious response. Various configurations of a tunable shunt YIG tuned band reject filter achieves a wide rejection bandwidth at the... Agent:

20140253262 - Rf choke device for integrated circuits: Among other things, one or more techniques and systems for selectively filtering RF signals within one or more RF frequency band are provided. In particular, an RF choke, such as a 3D RF choke or a semi-lumped RF choke, configured to selectively filter such RF signals is provided. The RF... Agent: Taiwan Semiconductor Manufacturing Company Limited

09/04/2014 > 3 patent applications in 3 patent subcategories.

20140247096 - Balun printed on substrate: A balun includes an input port, a first output port, a second output port and a coupling microstrip group including an input line connected to the input port, a first output line connected to the first output port, a first coupling line, a second output line connected to the second... Agent:

20140247097 - Capacitance device and resonance circuit: The capacitance device according to the present invention is of a configuration including a dielectric layer (10), a first electrode (11) formed on a predetermined surface (10a) of the dielectric layer (10), and a second electrode (12) formed on a surface (10b) on the opposite side of the dielectric layer... Agent: Dexerials Corporation

20140247098 - Radio frequency filter: A Radio Frequency (RF) filter configured by combining a hybrid coupler with a general filter, for having different characteristics from original characteristics of a general filter is provided, in which a coupler receives an input signal through a first port, divides the input signal, outputs the divided signals through second... Agent: Kmw Inc.

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