Directional Coupler

Directional Coupler-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).

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Monitored patch panel system
Facebook, Inc.
May 18, 2017 - N°20170141846

A monitored fiber optic patch panel system is disclosed. The system includes a unit controller and at least one patch panel unit. The unit controller includes a computer, a graphic display, and a universal serial bus (usb) hub. The patch panel unit is connected to the usb hub and includes connectors configured to receive a corresponding optical fiber. Optical directional ...
Multi-stage broadband directional coupler
Kathrein-werke Kg
May 18, 2017 - N°20170141451

An improved multi-stage broadband directional coupler with at least one line junction between two successive coupling sections has a) a change in the line thickness (ld) and/or b) a change in the line width (lb) and/or c) a change in the coupling distance (ka) between the adjacent coupling sections of the two coupling lines. An electrically conductive cover ...
Modular monitored patch panel system
Facebook, Inc.
May 18, 2017 - N°20170139165

A modular fiber optic patch panel system is disclosed. The system includes an enclosure and at least one patch panel module mounted in the enclosure. The enclosure includes a chassis with multiple module bays, each configured to receive a corresponding patch panel module. The patch panel modules each include a module housing, an input connector and an output connector. An ...
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Compact and low loss y-junction for submicron silicon waveguide
Coriant Advanced Technology, Llc
May 11, 2017 - N°20170131470

A compact, low-loss and wavelength insensitive y-junction for submicron silicon waveguides. The design was performed using fdtd and particle swarm optimization (pso). The device was fabricated in a 248 nm cmos line. Measured average insertion loss is 0. 28±0. 02 db across an 8-inch wafer. The device footprint is less than 1. 2 μm×2 μm, orders of magnitude smaller than ...
High-frequency module
Murata Manufacturing Co., Ltd.
April 20, 2017 - N°20170110779

An inductor component is disposed outside a multilayer substrate, and thus a directional coupler defined by an internal wiring electrode and a coil electrode within the inductor component that is mounted on a pair of land electrodes, the multilayer substrate significantly reduces or prevents interference with other high-frequency circuit elements disposed in or on the multilayer substrate. Additionally, if a ...
Plasma processing apparatus
Tokyo Electron Limited
April 13, 2017 - N°20170103874

Detection accuracy of a power of a progressive wave and detection accuracy of a power of a reflection wave can be improved. In a plasma processing apparatus, a first directional coupler is provided in a first waveguide which is configured to connect a microwave generating unit and a first port of a circulator. A first detector is connected to the ...
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Combiner, a power directional coupler and a method for manufacturing a power directional coupler and ...
Rohde & Schwarz Gmbh & Co. Kg
March 30, 2017 - N°20170093014

A power directional coupler is described which comprises two hollow conductors and a separation wall. Said separation wall has a coupling portion which comprises several holes which are arranged in said separation wall such that a high hole-wall relation is obtained, ensuring a good coupling at a small size of said power directional coupler. Further, a combiner and a method ...
Waveguide directional coupler
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration
March 30, 2017 - N°20170093013

A directional coupler assembly includes a waveguide housing. The waveguide housing has a first segment and a second segment. A first waveguide port and a second waveguide port are disposed on opposite sides of the waveguide housing. A third waveguide port is disposed on a third side of the waveguide housing, the third waveguide port being disposed substantially orthogonal to ...
High fidelity and high efficiency qubit readout scheme
International Business Machines Corporation
March 30, 2017 - N°20170092833

A technique relates to a qubit readout system. A cavity-qubit system has a qubit and a readout resonator and outputs a readout signal. A lossless superconducting circulator is configured to receive the microwave readout signal from the cavity-qubit system and transmit the microwave readout signal according to a rotation. A quantum limited directional amplifier amplifies the readout signal. A directional ...
High fidelity and high efficiency qubit readout scheme
International Business Machines Corporation
March 30, 2017 - N°20170091646

A technique relates to a qubit readout system. A cavity-qubit system has a qubit and a readout resonator and outputs a readout signal. A lossless superconducting circulator is configured to receive the microwave readout signal from the cavity-qubit system and transmit the microwave readout signal according to a rotation. A quantum limited directional amplifier amplifies the readout signal. A directional ...
Apparatus for reconfigurable directional couplers in an rf transceiver with controllable capacitive coupling
Skyworks Solutions, Inc.
March 23, 2017 - N°20170085245

Provided herein are apparatus and methods for reconfigurable directional couplers in an rf transceiver. Reconfigurable directional couplers can be reconfigured and designed to provide high directivity using configurable capacitors to effect a mutual coupling and using lumped components or delay lines to effect a phase shift. Depending on the embodiment, the reconfigurable directional coupler can include capacitors, inductors, and switching ...
Directional coupler
Murata Manufacturing Co., Ltd.
March 23, 2017 - N°20170084979

A directional coupler includes a multilayer body including a plurality of stacked dielectric layers, a main line including a first main line portion and a second main line portion which are connected in series to each other in this order and that is provided in the multilayer body, and a sub-line including a first sub-line portion and a second sub-line ...
Adaptive load for coupler in broadband multimode multiband front end module
Skyworks Solutions, Inc.
March 16, 2017 - N°20170077966

Directional couplers for front end modules (fems) are disclosed that include a first port configured to receive a radio-frequency (rf) signal, a second port connected to the first port via a first transmission line and configured to provide an rf output signal, a third port connected to a second transmission line, the second transmission line being electromagnetically coupled to the ...
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Time domain measuring method with calibration in the frequency range
Rosenberger Hochfrequenztechnik Gmbh & Co. Kg
March 16, 2017 - N°20170074911

A method for determining an electric voltage u(t) and/or an electric current i(t) of an hf signal in an electrical cable on a calibration plane by measuring in the time domain. Using a directional coupler, a first portion v3(t) of a first hf signal is decoupled, fed to a time domain measuring device, and a second ...
All-acoustic duplexers using directional couplers
Abtum Inc.
March 09, 2017 - N°20170070205

An all-acoustic filter includes acoustic directional couplers and acoustic filters. In one embodiment, the all-acoustic filter includes two acoustic directional couplers, pair of matched acoustic filters corresponding to either transmit or receive frequency bands, and another acoustic filter corresponding to the other of transmit or receive frequency bands. An all-acoustic duplexer may be realized monolithically in a small form factor, ...
Amplifier device
Technetix B.v.
February 23, 2017 - N°20170054423

There is provided an amplifier device for a catv network comprising a first amplifier element for upstream signals and a second amplifier element for downstream signals, wherein the first and second amplifier elements are disposed between first and second directional couplers. The combined isolation of the first and second directional couplers is greater than the sum of the gain of ...
Directional coupler
Tdk Corporation
February 09, 2017 - N°20170040661

A directional coupler includes: a first to a fourth port; a main line connecting the first and second ports; a first to a fourth subline section electromagnetically coupled to the main line; a first to a third matching section; and a stack. The first subline, first matching, third subline, third matching, fourth subline, second matching, and second subline sections are ...
Directional coupler
Tdk Corporation
February 02, 2017 - N°20170033428

A directional coupler includes: a main line connecting a first port and a second port; first to third subline sections each of which is formed of a line configured to be electromagnetically coupled to the main line; a first matching section provided between the first subline section and the second subline section; a second matching section provided between the second ...
Sensor assembly for bearing with wireless temperature sensor
Aktiebolaget Skf
February 02, 2017 - N°20170030804

The invention relates to a sensor assembly for use in a bearing including at least one bearing cage configured to accommodate at least one rolling element of the bearing, the sensor assembly including a driven oscillator circuit providing a receiver, a function generator and a primary coil, and a passive oscillator circuit including a temperature dependent capacitance. The passive oscillator ...
Transmit spectral regrowth cancellation at receiver port
Rf Micro Devices, Inc.
January 26, 2017 - N°20170026064

A front-end module configured to cancel unwanted transmit spectrum at one or more receivers comprises at least one transmitter having a power amplifier and configured to transmit signals to an antenna. The front-end module also comprises at least one receiver to receive the transmit signals, wherein the at least one receiver receives at least a portion of unwanted transmit spectrum. ...
System and method for a directional coupler
Infineon Technologies Ag
January 26, 2017 - N°20170026020

In accordance with an embodiment, a method of operating a directional coupler includes determining a coupled power variation by applying an input signal at an input port of the directional coupler, applying a first impedance at a transmitted port of the directional coupler, measuring a first coupled power at a coupled port of the directional coupler after applying the first ...