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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.
  
07/10/2014 > 11 patent applications in 10 patent subcategories.

20140191818 - Dynamic resonant matching circuit for wireless power receivers: A resonant matching circuit (310) for matching a resonant frequency of a wireless power transfer system to a frequency of a power signal comprises a switch (311) connected in parallel with a resonant element (302) of the wireless power transfer N system; and a controller (312) connected to the switch... Agent: Koninklijke Philips N.v.

20140191819 - Impedance matching device and control method: In an impedance matching device, a storage unit stores a control value representing a load value and a value equivalent to input impedance in advance. The control value identifies inductance and capacitance values matching a predetermined impedance value by use of either a first or second matching circuit. An impedance... Agent: Pioneer Corporation

20140191820 - Coaxial-impedance synthesizer: The invention relates to a coaxial-impedance synthesizer, comprising: a longitudinal central (0x) conductor (1); an outer conductive tube (2) arranged coaxially to the conductor (1); and at least one probe (4) mounted so as to longitudinally translate around the conductor (1), the coaxial-impedance synthesizer being characterized in that the outer... Agent:

20140191821 - Nondirectional rf power divider: An improved nondirectional radiofrequency power divider is characterized by the following features:—having an outer conductor (1) and/or outer conductor housing (1′), with a first inner conductor (11), wherein the first inner conductor (11) runs in the outer conductor (1) or in the outer conductor housing (1′),—with a second inner conductor... Agent: Kathrein-werke Kg

20140191822 - Transmission line phase shifter: Embodiments disclosed include transmission line phase shifters and methods for fabricating transmission line phase shifters that switch signal and ground conductors to reverse electromagnetic fields in a transmission line structure.... Agent: Raytheon Company

20140191823 - Noise filter device: A noise filter includes a first substrate on which a filter input terminal, an input-side capacitor, a common-mode choke coil, and a filter output terminal are mounted and a second substrate on which an output-side capacitor and a ground capacitor are mounted. The first substrate is selected from a plurality... Agent: Mitsubishi Electric Corporation

20140191824 - Multilayer common mode filter: A first coil is configured in such a structure that first and second coil conductors are connected by a first through-hole conductor. A second coil is configured in such a structure that third and fourth coil conductors are connected by a second through-hole conductor. The first and second coils are... Agent: Tdk Corporation

20140191826 - Piezoelectric thin film resonator and filter: A piezoelectric thin film resonator includes: a substrate; a piezoelectric film located on the substrate; a lower electrode and an upper electrode located to sandwich the piezoelectric film; a load film formed from patterns in a resonance region in which the lower electrode and the upper electrode face each other... Agent:

20140191825 - Radio frequency filter and manufacturing method thereof: A radio frequency filter and a manufacturing method thereof are provided. A radio frequency filter includes bulk acoustic wave resonators (BAWRs), the BAWRs including first BAWRs connected in series, second BAWRs connected in parallel, or a combination thereof.... Agent: Samsung Electronics Co., Ltd.

20140191827 - Wideband high frequency bandpass filter: A wideband high frequency bandpass filter is disclosed, which includes an open-circuit resonator structure and a short-circuit resonator structure. The open-circuit resonator has a signal transmission strip line and a T-shaped strip line. Both ends of the signal transmission strip line are bent toward to opposite ends of the T-shaped... Agent: National Tsing Hua University

20140191828 - Electromagnetic wave propagation sheet and display shelf implementing electromagnetic wave propagation sheet: Provided is an electromagnetic wave propagation sheet constituted by a mesh-shaped conductor layer, a planar conductor layer, and an inductor layer sandwiched therebetween, wherein the mesh-shaped conductor layer and the planar conductor layer are electrically connected to each other in an end section of the electromagnetic wave propagation sheet by... Agent: Nec Corporation

  
07/03/2014 > 13 patent applications in 10 patent subcategories.

20140184350 - Two layer differential pair layout, and method of making thereof, for reduced crosstalk: A device is provided for use with a signal, wherein the device includes a substrate, a first signal trace and a second signal trace. The first signal trace is disposed within the substrate at a first plane from the top surface by a distance d1. The second signal trace is... Agent: Texas Instruments Incorporated

20140184351 - Low power, high speed multi-channel chip-to-chip interface using dielectric waveguide: An exemplary embodiment of the present invention provides an improved dielectric waveguide named electrical fiber. The electrical fiber with a metal cladding may isolate the interference of the signals in other wireless channels and adjacent electrical fibers, which typically causes band-limitation problem, for a smaller radiation loss and better signal... Agent: Korea Advanced Institute Of Science And Technology

20140184352 - Electrostatic micro relay and manufacturing method for the same: An electrostatic micro relay has a substrate, a signal line arranged on the substrate and having an input point configured to receive a signal and a plurality of signal channels configured to distribute the signal, the plurality of signal channels being each formed with a fixed contact, a plurality of... Agent: Omron Corporation

20140184353 - Waveguide t-switch: An arrangement is disclosed for providing the functionality of a four port, four channel rotary switch. The arrangement includes a first four port rotary microwave switch, the first switch including a first rotor and a first set of four waveguide ports, and a second four port rotary microwave switch, communicatively... Agent: Space Systems/loral, LLC

20140184354 - Filter apparatus, base station system, and method for frequency channel switching: Embodiments of the present invention disclose a filter apparatus, a base station system, and a method for frequency channel switching. In application of technical solutions provided by the embodiments of the present invention, the grounding probe connected to the electrical ground contacts or approaches the resonator to short-circuit or disturb... Agent: Huawei Technologies Co., Ltd.

20140184355 - Laminated waveguide diplexer with shielded signal-coupling structure: A laminated waveguide diplexer includes an upper conductive layer having a first slot and a second slot; a first line crossing over the first slot; a first shielding conductor disposed over the first line; a plurality of first conductive pillars connecting the upper conductive layer and the first shielding conductor;... Agent: Microelectronics Technology, Inc.

20140184356 - Semiconductor device and adjustment method of filter circuit: A semiconductor device includes a filter circuit operable to pass a desired signal component of a high-frequency signal inputted and operable to attenuate a harmonic component of an integral multiple of the desired signal, wherein the filter circuit includes a first inductor and a second inductor coupled in series to... Agent: Renesas Electronics Corporation

20140184357 - Band pass filter: There is provided a band pass filter including: a first substrate including a plurality of capacitors and a plurality of conductive patterns provided thereon; and a second substrate laminated with the first substrate and connected to the plurality of first conductive patterns through a plurality of via holes, wherein an... Agent: Samsung Electro-mechanics Co., Ltd.

20140184358 - Baw-filter operating using bulk acoustic waves: The present invention relates to a BAW filter operating with bulk acoustic waves, which has a multilayer construction, wherein functional layers of a BAW resonator operating with bulk acoustic waves are realized by the multilayer construction, and wherein an interconnection of passive components is furthermore formed by the multilayer construction,... Agent: Epcos Ag

20140184361 - High frequency signal line and electronic device: A dielectric element assembly includes a plurality of stacked dielectric sheets. A signal line is provided in or on the dielectric element assembly. A ground conductor is provided in or on the dielectric element assembly on the negative direction side of a z-axis direction relative to the signal line and... Agent: Murata Manufacturing Co., Ltd.

20140184360 - High-frequency signal line and electronic device: A high-frequency signal line includes an element assembly including a plurality of insulator layers, a linear signal line provided in or on the element assembly, a first ground conductor provided in or on the element assembly and extending along the signal line, and a plurality of floating conductors provided in... Agent: Murata Manufacturing Co., Ltd.

20140184362 - High-frequency signal line and electronic device: A high-frequency signal line includes an element assembly including a plurality of flexible insulator layers. a linear signal line provided in or on the element assembly, a first ground conductor provided in or on the element assembly and extending along the signal line, a plurality of second ground conductors provided... Agent: Murata Manufacturing Co., Ltd.

20140184359 - High-frequency signal transmission line and electronic device: A high-frequency signal transmission line includes a flexible body including a plurality of insulating layers. A linear signal line is located in or on the body. A first ground conductor is located opposite to the signal line via at least one of the insulating layers. A second ground conductor extends... Agent: Murata Manufacturing Co., Ltd.

  
06/26/2014 > 15 patent applications in 11 patent subcategories.

20140176252 - Differential transmission circuit and printed circuit board: A differential transmission circuit includes differential signal transmission and reception units connected by a differential signal wiring having an inductor unit composed of magnetically coupled first and second inductors provided on first and second signal lines, an input-side capacitor unit including a first input-side capacitor having one terminal connected to... Agent: Canon Kabushiki Kaisha

20140176253 - Radio frequency communication: A differential transmission transition interface is disclosed which can include first and a second buried conducting tracks providing respectively first and second differential couplings between a differential RF transmission output and a waveguide; the first buried conducting track extending over an opening of the waveguide to provide a first RF... Agent: Bae System PLC

20140176254 - High-frequency signal transmission line and electronic device: A high-frequency signal transmission line includes a dielectric body including a plurality of dielectric sheets. A signal line is provided in the dielectric body. A connector is mounted on a first main surface of the dielectric body and electrically connected to the signal line. A ground conductor is provided on... Agent: Murata Manufacturing Co., Ltd.

20140176255 - Compact micro strip directional coupler with high directivity for broadband applications: The directional coupler supports ultra high bandwidth of 5600 MHz (from 400 MHz to 6 GHz) in compact structure and also provides high directivity of (>15 dB). The coupler uses a two stage micro-strip directional coupler for a frequency range of 400 MHz to 6 GHz, where the first stage... Agent:

20140176256 - Base station rf duplexer, rf module, and rf system: The present disclosure relates to telecommunication, and in particular, to a base station Radio Frequency (RF) duplexer, an RF module, and an RF system. A base station RF apparatus provided herein includes: an enclosure, an intermediate RF processing unit, and a duplexer. The enclosure is located on the duplexer; the... Agent: Huawei Technologies Co., Ltd.

20140176258 - Elastic wave device: An elastic wave device includes elastic wave filters connected in parallel between an input and an output, and has reduced size and insertion loss, and improved electric power handling capability. An elastic wave filter chip is mounted on a die-attach surface of a wiring board and includes an input signal... Agent: Murata Manufacturing Co., Ltd.

20140176257 - Elastic-wave filter device: An elastic-wave filter device includes a reception filter section including a longitudinally coupled resonator-type elastic-wave filter section that has a balanced-to-unbalanced conversion function and has improved common-mode isolation characteristics. Among IDT electrodes of a filter section, each of the other comb-shaped electrode of a first IDT electrode including a pair... Agent: Murata Manufacturing Co., Ltd.

20140176259 - Polyphase filter for mm-wave frequencies featuring symmetric layout: A two-stage, passive, RC polyphase filter for mm-wave quadrature LO generation is presented. The filter features an innovative, symmetrical layout structure, which is more robust to parasitics than the conventional layout. Layout parasitics which become important at mm-wave frequencies are identified and a compensated. Impedance variations and transfer functions are... Agent: St-ericsson Sa

20140176260 - Signal transmission circuit: A signal transmission circ it includes a main driving unit configured to drive a first signal transmission One in response to an input signal and output a first driven signal, an emphasis driving unit configured to perform an emphasis operation on the first driven signal and output an emphasized signal,... Agent: Sk Hynix Inc.

20140176261 - Acoustic resonator device with at least one air-ring and frame: An acoustic resonator device includes a bottom electrode disposed on a substrate over an air cavity, a piezoelectric layer disposed on the bottom electrode, and a top electrode disposed on the piezoelectric layer, where an overlap between the top electrode, the piezoelectric layer and the bottom electrode over the air... Agent: Avago Technologies WirelessIP(singapore) Pte. Ltd.

20140176262 - Package substrate with band stop filter and semiconductor package including the same: According to one embodiment, a semiconductor package includes a band stop filter, which includes: a transmission line pattern arranged on a package substrate; and a conductive stub pattern arranged along the transmission line pattern in a state of being separated from the transmission line pattern.... Agent:

20140176263 - Filter that is variable by means of a capacitor that is switched using mems components: A tunable filter comprises at least two resonator circuits placed between two matching networks characterized in that: one resonator is connected at a first of its ends to the ground plane M of the filter by metallized holes and at a second end to a MEMS network; the distance between... Agent: Thales

20140176266 - High-frequency signal line and electronic device: A high-frequency signal line includes an element assembly including a plurality of flexible insulator layers, a linear signal line provided in or on the element assembly, a first ground conductor arranged in or on the element assembly so as to be opposed to the signal line not in a first... Agent: Murata Manufacturing Co., Ltd.

20140176264 - High-frequency signal line and electronic device including the same: A high-frequency signal line includes a dielectric element body including regions and a plurality of flexible dielectric sheets. A signal conductive layer is provided in or on the dielectric element body. Ground conductive layers are provided in or on the dielectric element body and face the signal conductive layer. A... Agent: Murata Manufacturing Co., Ltd.

20140176265 - High-frequency signal transmission line and electronic device: A high-frequency signal transmission line includes a dielectric body including a stack of a plurality of dielectric layers, a linear signal line located in the dielectric body, a first ground conductor located at a first side of the signal line in a stacking direction and including a plurality of first... Agent: Murata Manufacturing Co., Ltd.

  
06/19/2014 > 16 patent applications in 13 patent subcategories.

20140167873 - Non-reciprocal gyromagnetic phase shift devices using multiple ferrite-containing slabs: A non-reciprocal gyromagnetic phase shift device for microwave signals is provided. The device has a section of waveguide with at least two stacked chambers in each of which ferrite-containing slabs are arranged opposite one another on top and bottom walls of the stacked chambers along a common axis, in use... Agent:

20140167887 - Equalizer for loss-compensation of high-frequency signals generated in transmission channels: An equalizer includes a circuit board and a compensation module. The compensation module includes first and second transmission lines, first to fourth resistors, and first to fourth micro-strips. Four vias extend through the circuit board and are grounded. First terminals of the four resistors are grounded through the vias. A... Agent: Hon Hai Precision Industry Co., Ltd.

20140167888 - Equalizer for loss-compensation of high-frequency signals generated in transmission channels: An equalizer includes a circuit board and a compensation module. The compensation module includes first and second transmission lines, first to fourth resistors, and first to fourth micro-strips. Two vias extend through the circuit board and are grounded. First terminals of the first and second resistors are electrically connected to... Agent: Hon Hai Precision Industry Co., Ltd.

20140167874 - Printed circuit board capable of reducing return loss of differential signal and electronic device using the same: A printed circuit board (PCB) includes a receiver component, a transmission line including a positive signal transmission line and a negative signal transmission line, a transmitter component, and a capacitance unit. The transmitter component transmits a different signal to the receiver component via the transmission line. The capacitance unit is... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd

20140167875 - Transmission device: A transmission device that establishes efficient match with an impedance mismatch section of a differential transmission system. The transmission device includes: a differential driver; a differential receiver; a differential line that connects between the differential driver and the differential receiver, the differential line including in-phase signal wiring and inverted-phase signal... Agent: Mitsubishi Electric Corporation

20140167876 - Meandered slow wave taper matching network: Presently disclosed is a matching network provided from a slow wave, wrapped, tapered-transformer transmission line.... Agent: Raytheon Company

20140167877 - Filter module: In a filter module capable of handling multiple bands, cross wiring with an RF-IC is to be solved. The filter module includes: an antenna terminal; first and second transmission filters; first and second reception filters; a first switch circuit connected to the antenna terminal, and selectively connected to the first... Agent: Panasonic Corporation

20140167878 - Impedance matching apparatus: Disclosed is an impedance matching apparatus performing impedance matching between a front-end module and an antenna. The impedance matching apparatus includes an RF front end providing a multi-band RF signal, a reflected power measuring module measuring a reflection coefficient for the RF input signal, a matching unit adjusting impedance so... Agent: Lg Innotek Co., Ltd.

20140167879 - Circuit topology for multiple loads: A circuit topology to reduce ringing and the strength of unwanted signals includes a signal transmitting terminal, a first signal receiving terminal, and a second signal receiving terminal The signal transmitting terminal receives a first DC voltage via a first node and a first resistor. The first node is electrically... Agent: Hong Fu Jin Precision Industry (wuhan) Co., Ltd.

20140167880 - Passive coaxial power splitter/combiner: A passive coaxial signal power splitter apparatus includes an input port, an input coaxial waveguide section coupled to the input port, a guided wave structure coupled to the input coaxial waveguide section, a plurality of antenna elements arranged in the guided wave structure, and an output port coupled to each... Agent: Triquint Cw, Inc.

20140167881 - Acoustic wave device and antenna duplexer using the same: An acoustic wave device includes a piezoelectric substrate, a comb-shaped electrode formed on the piezoelectric substrate and configured to excite a Rayleigh wave as a main acoustic wave, a first dielectric film formed above the piezoelectric substrate to cover the comb-shaped electrode, and a second dielectric film having a portion... Agent: Panasonic Corporation

20140167882 - Electromagnetic wave propagation path and electromagnetic wave propagation device: An electromagnetic wave propagation device includes multiple planar propagation media each formed by laminating at least one planar conductor and at least one planar dielectric, multiple transceivers for transmitting and receiving information among electronic apparatuses, and a first interface for transmitting and receiving the electromagnetic wave between the transceivers and... Agent: Hitachi, Ltd.

20140167883 - Fast response high-order low-pass filter: A fast-response high-order low-pass filter circuit is provided. The circuit includes a plurality of low pass filter (LPF) poles that are connected in series, a forward bypass channel that includes a first delta voltage module that conducts at a first predetermined voltage and a first impedance module that provides a... Agent: Continental Automotive Systems, Inc.

20140167884 - Series inductor array implemented as a single winding and filter including the same: There are provided a series inductor array implemented as a single winding capable of decreasing a layout area for providing a plurality of inductors, and a filter including the same, the series inductor array including a winding structure having both ends, and one or more terminal parts electrically connected to... Agent: Samsung Electro-mechanics Co., Ltd.

20140167885 - Band-pass filter with a loop configuration: A band-pass filter with a loop configuration is implemented on a circuit board in the form of a microstrip line for signals in the gigahertz range. The band-pass filter includes a dielectric substrate and a conductive layer disposed over the dielectric substrate, wherein the conductive layer comprises a loop portion;... Agent: Microelectronics Technology, Inc.

20140167886 - Plating stub resonance shift with filter stub design methodology: A technique is provided to increase signal bandwidth of data processing signals by providing a plating stub as a filter using multiple line segments of different widths to filter the reflected high frequency components bouncing from the stub end toward the signal path. This stub-filter shifts the resonance point to... Agent: International Business Machines Corporation

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