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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.
08/07/2014 > 12 patent applications in 9 patent subcategories.

20140218126 - High frequency switch: There is provided a high frequency switch which is satisfactory in terms of both insertion loss characteristics and harmonic characteristics. The high frequency switch includes: a common port outputting a transmission signal to an antenna; a plurality of transmission ports each having the transmission signal input thereto; and a plurality... Agent: Samsung Electro-mechanics Co., Ltd.

20140218128 - Elastic wave splitter: An elastic wave splitter includes an antenna terminal, a transmission terminal and reception terminals. A transmission filter is connected between the antenna terminal and the transmission terminal. A reception filter is connected between the antenna terminal and the reception terminals. The transmission filter and the reception filter are each defined... Agent: Murata Manufacturing Co., Ltd.

20140218127 - High-frequency module: A high-frequency module includes a multilayer substrate, a switch IC, a SAW duplexer and a matching circuit. The matching circuit includes a wiring line and first and second inner layer ground electrodes. The matching circuit performs impedance matching between the switch IC and the SAW duplexer in a pass band... Agent: Murata Manufacturing Co., Ltd.

20140218129 - Ladder-type elastic wave filter and antenna duplexer using same: In a ladder-type elastic wave filter, a resonance frequency of a second parallel resonator is higher than that of a series resonator and lower than an antiresonance frequency of a series resonator. With this configuration, an attenuation pole is formed by the second parallel resonator at a frequency region lower... Agent: Panasonic Corporation

20140218130 - Phase-shifter and power splitter: An integrated device comprises at least one input connector (62) linked to an internal conductive line (64) and at least two output connectors (70A,70B) each respectively linked to an conductive branch (69A, 69B), wherein a single moving part (65), simultaneously serving the functions of a phase-shifter and a power-distributor, which... Agent: Alcatel Lucent

20140218131 - Three-dimensional microstructures: An apparatus comprising a first power combiner/divider network and a second power combiner/divider network. The first power combiner/divider network splits a first electromagnetic signal into split signals that are connectable to signal processor(s). The second power combiner/divider network combines processed signals into a second electromagnetic signal. The apparatus includes a... Agent: Nuvotronics, LLC

20140218132 - Hybrid common mode choke: A system, hybrid common mode choke, and method are described herein. The system includes a differential signal transmitter and a differential signal receiver. A differential signal transmitter ground and a differential signal receiver ground are electrically disconnected in a manner that enables a common mode filter. The transmitter ground and... Agent:

20140218133 - Flip chip type saw band reject filter design: A method and system for providing a surface acoustic wave band reject filter are disclosed. According to one aspect, a surface acoustic wave band reject filter includes a substrate having electrode bars and bonding pads formed on the substrate. The filter further includes at least one die having a side... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140218134 - Conductor arrangement with a dielectric standing wave trap: A conductor arrangement includes a conductor that extends along a conductor axis. The conductor arrangement also includes a standing wave trap to which the conductor is coupled in order to damp standing waves that are excited by an RF field from outside the conductor arrangement. The standing wave trap is... Agent:

20140218135 - Compact microwave distributed-element dual-mode bandpass filter: A compact microwave distributed-element dual-mode bandpass filter is provided, comprising a dual-mode resonator and a signal input port and a signal output port coupled electrically to the dual-mode resonator respectively; wherein, the dual-mode resonator comprises a main stripline with a center-loaded short-circuited stub, the main stripline is reasonably folded in... Agent:

20140218136 - Resonance coupler: A resonance coupler includes transmission-side resonant wiring provided on a transmission substrate and connected to a transmission ground between a connection point of first transmission wiring to the transmission-side resonant wiring and a connection point of second transmission wiring to the transmission-side resonant wiring, and reception-side resonant wiring provided on... Agent: Panasonic Corporation

20140218137 - Microstrip line structures: The invention is related to a microstrip line structure, which comprises: a first microstrip line and a second microstrip line, paralleled with the first microstrip line for transferring a transmission signal, and a plurality of grooves periodically arranged on both sides of the second microstrip line by using subwavelength, and... Agent: Chung Hua University

07/31/2014 > 12 patent applications in 9 patent subcategories.
07/24/2014 > 12 patent applications in 12 patent subcategories.

20140203885 - Marchand balun structure and design method: Aspects of the invention provide for a Marchand balun structure and a related design method. In one embodiment, a marchand balun structure includes: a first trace for an unbalanced port on a first metal layer, the first trace comprising: an unbalanced line including a first width for a first half... Agent: International Business Machines Corporation

20140203886 - Communications connectors including transmission lines having impedance discontinuities that improve return loss and/or insertion loss performance and related methods: Communications plugs are provided that include a housing that receives the conductors of the communication cable. A printed circuit board is mounted at least partially within the housing. A plurality of plug contacts are on the printed circuit board, and the printed circuit board includes a plurality of conductive paths... Agent:

20140203887 - Module: A module includes: a diplexer that includes a first terminal, a second terminal, and a common terminal coupled to an antenna; a first switch that is coupled to the first terminal, includes first ports, and selects, from the first ports, and connects one port to the diplexer; a first duplexer... Agent: Taiyo Yuden Co., Ltd.

20140203888 - Electromagnetic resonance coupler: An electromagnetic resonance coupler including: a transmitting resonator provided on a transmission substrate and having an open loop shape having an opening, first wiring provided on the transmission substrate and connected to a first connection point on the transmitting resonator, a receiving resonator provided on the reception substrate, second wiring... Agent: Panasonic Corporation

20140203889 - Power divider: A power divider/combiner comprising a plurality of transmission lines, each transmission line being in the form of a separate longitudinal component (e.g. a length of coaxial cable), wherein the longitudinal components are arranged such that they are substantially parallel to each other, and such that a side of each longitudinal... Agent: Bae Systems PLC

20140203890 - Filter circuit: A filter circuit includes an antenna-side circuit, a transmission-side circuit, a reception-side circuit, and an external connection capacitor. The antenna-side circuit is connected to an antenna-side terminal. The transmission-side circuit is connected to a transmission-side terminal and the antenna-side circuit. The reception-side circuit is connected to a reception-side terminal, the... Agent: Murata Manufacturing Co., Ltd.

20140203891 - Rf signal blocking device: An RF signal blocking device includes a capacitor unit and an inductor unit defining an LC resonance circuit. The capacitor unit and inductor unit are set such that a cutoff frequency in the LC resonance circuit after disconnection by fusing of a second inductor including a fuse wire, among first... Agent: Murata Manufacturing Co., Ltd.

20140203892 - Ceramic multilayer component: A ceramic multilayer component includes a ceramic body including a plurality of ceramic layers stacked on top of one another, internal electrodes located inside the ceramic multilayer body, terminal electrodes located on a mounting surface of the ceramic multilayer body, and via hole conductors that are arranged inside the ceramic... Agent: Murata Manufacturing Co., Ltd.

20140203893 - Elastic wave device: An elastic wave device includes a medium layer, a piezoelectric body, and an IDT electrode that are disposed on a supporting substrate. The medium layer is made of a medium containing a low-velocity medium in which a propagation velocity of a same bulk wave as that which is a main... Agent: Murata Manufacturing Co., Ltd.

20140203894 - Notch filter structure with open stubs in semiconductor substrate and design structure: On-chip millimeter wave (mmW) notch filters with via stubs, methods of manufacture and design structures are disclosed. The notch filter includes a signal line comprising a metal trace line connected to a metal via stub partially extending into a semiconductor substrate. The notch filter further includes a defected ground plane... Agent: International Business Machines Corporation

20140203895 - Resonator having increased isolation: A resonator having increased isolation includes a first resonator having first characteristics, and configured to resonate with another resonator having the first characteristics; and a second resonator having second characteristics, and configured to resonate with another resonator having the second characteristics; wherein the resonator has an arrangement and a structure... Agent: Samsung Electronics Co., Ltd.

20140203896 - Tunable cavity resonator including a plurality of mems beams: A tunable cavity resonator includes a substrate, a cap structure, and a tuning assembly. The cap structure extends from the substrate, and at least one of the substrate and the cap structure defines a resonator cavity. The tuning assembly is positioned at least partially within the resonator cavity. The tuning... Agent: Purdue Research Foundation

07/17/2014 > 10 patent applications in 9 patent subcategories.

20140197899 - Printed circuit board and manufacturing method of printed circuit board: A printed circuit board includes a plurality of wiring layers and a plurality of differential signal vias to establish connections between the plurality of wiring layers through via pairs and to be disposed so that paired-vias possessed by a specified differential signal via for transmitting a differential signal different from... Agent: Fujitsu Limited

20140197900 - Systems and methods for impedance switching: Systems and methods for switching impedance are provided. In some aspects, a system includes first and second impedance elements and an impedance switch module, which includes a third impedance element coupled between the first and second impedance elements and a switch parallel to the third impedance element. The switch is... Agent: Broadcom Corporation

20140197901 - Feed network: A feed network includes three radio frequency (RF) devices constructed in a suspended-substrate stripline configuration that provides a five-port microwave device having a sum port and four feed ports. The three RF devices include at least one coupled-line quadrature hybrid and at least one Marchand balun. Each of the at... Agent: Tyco Electronics Corporation

20140197902 - Diplexer design using through glass via technology: A diplexer includes a substrate having a set of through substrate vias. The diplexer also includes a first set of traces on a first surface of the substrate. The first traces are coupled to the through substrate vias. The diplexer further includes a second set of traces on a second... Agent: Qualcomm Incorporated

20140197903 - Signal separation device: A signal separation device is a duplexer in which a reception frequency band is located at higher frequencies than a transmission frequency band. A series arm of a ladder transmission filter includes a plurality of series arm resonators, and parallel arms respectively include parallel arm resonators. The parallel arm resonators... Agent: Murata Manufacturing Co., Ltd.

20140197904 - Method for fabricating miniature structures or devices such as rf and microwave components: Multi-layer, multi-material fabrication methods include depositing at least one structural material and at least one sacrificial material during the formation of each of a plurality of layers wherein deposited materials for each layer are planarized to set a boundary level for the respective layer and wherein during formation of at... Agent:

20140197905 - Low-loss tunable radio frequency filter: An RF filter comprises a signal transmission path having an input and an output, a plurality of resonant elements disposed along the signal transmission path between the input and the output, and a plurality of non-resonant elements coupling the resonant elements together to form a stop band having a plurality... Agent: Resonant LLC

20140197906 - Common mode filter: A common mode filter includes a plurality of substrates stacked along an axial direction, a first conductor structure and a second conductor structure disposed on the substrates and including a plurality of first rings and second rings disposed sequentially along the axial direction. The first rings and the second rings... Agent: Max Echo Technology Corporation

20140197907 - Electromagnetic stripline transmission line structure: A transmission line structure includes a first transition element, a second transition element, and an active element. The first transition element has a radio frequency injection port and the second transition element, which is spaced from the first transition element, has a radio frequency termination port. An active element is... Agent:

20140197908 - Polarization coupler: A polarization coupler includes: connector waveguide that connects circular waveguide with quadrangular waveguide arranged in an axial direction of circular waveguide and having short side shorter than an inner diameter of circular waveguide; flat conductor wall formed over connector and circular waveguides, and dividing the inside of connector and circular... Agent: Mitsubishi Electric Corporation

Previous industry: Modulators
Next industry: Tuners


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