Images List Premium Download Classic

Directional Coupler

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


loading
Radio frequency duplexer
Huawei Technologies Co., Ltd.
November 09, 2017 - N°20170324393

A radio frequency duplexer with a first directional coupler configured to divide an input reception signal into a first auxiliary reception signal and a second auxiliary reception signal, where the first auxiliary reception signal and the second auxiliary reception signal comprise signal components at a reception frequency, a first filter configured to filter the first auxiliary reception signal to obtain ...
Antenna system calibration
Nokia Solutions And Networks Oy
November 09, 2017 - N°20170324161

A method for antenna calibration is disclosed, the method including driving calibration signals for antenna array beam calibration to an antenna array feeder line in a transceiver front end unit by using one or more directional couplers and/or radio frequency probes, wherein calibration signal paths are integrated inside the transceiver front end unit. Measurements are carried out on the ...
Directional couplers and devices including same
Skyworks Solutions, Inc.
November 09, 2017 - N°20170324136

Directional couplers having a chain configuration and devices incorporating same. In some implementations, a chain coupler assembly can include a plurality of couplers each having a driver arm configured to route a respective rf signal and a coupled arm disposed physically proximate to the driver arm to detect a portion of power of the respective rf signal. Portions of the ...
Directional Coupler Patent Pack
Download + patent application PDFs
Directional Coupler Patent Applications
Download + Directional Coupler-related PDFs
For professional research & prior art discovery
inventor
  • + full patent PDF documents of Directional Coupler-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Method for calibrating a radar system
Robert Bosch Gmbh
November 09, 2017 - N°20170322288

A radar system including a reference channel formed symmetrically in relation to a main channel, with a first oscillator, generating a first input signal, which is feedable to an antenna in the main channel, a reflected portion of the first input signal being feedable to a first mixer, the first input signal in the reference channel being feedable to a ...
High-frequency module
Murata Manufacturing Co., Ltd.
October 26, 2017 - N°20170310355

A high-frequency module includes a directivity switching switch unit that switches an end portion of a first sub line, which is connected to an output terminal, and first and second resistor switching switch units that switch first and second termination resistors which are connected to the first sub line. The directivity of coupled output in the first sub line of ...
Failure detection system of transmitting antennas
Dac System Sa
October 12, 2017 - N°20170294974

Describes a failures detection system (1) of a plurality of transmitting antennas of television and/or radio signals. The system includes a power divider (15) configured to receive a television and/or radio signal (stv) and from this generate a first plurality (si1, si2, si3, si4) of television and/or radio signals, and includes a plurality of directional couplers (10, 11, 12, 13) configured to receive ...
Directional Coupler Patent Pack
Download + patent application PDFs
Directional Coupler Patent Applications
Download + Directional Coupler-related PDFs
For professional research & prior art discovery
inventor
  • + full patent PDF documents of Directional Coupler-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Rf multiplexer with integrated directional couplers
Qualcomm Incorporated
September 28, 2017 - N°20170279469

An rf diplexer is provided with an integrated diplexer that shares a primary inductor included in a channel within the rf diplexer.
Directional coupler and power splitter made therefrom
Akg Acoustics Gmbh
September 21, 2017 - N°20170271742

A directional coupler including at least two coupled lines and at least three ports is disclosed. A first coupled line of the at least two coupled lines includes at least two ports such as an input port and an output port. A second coupled line of the at least two coupled lines includes a forward path and a backward path ...
Cable network device
Technetix B.v.
September 14, 2017 - N°20170264938

There is provided a cable network device comprising an input associated with a plurality of outputs, wherein each output is connected to a respective microstrip directional coupler and each microstrip directional coupler is connected to at least one of the other microstrip directional couplers. The microstrip directional couplers form a series of microstrip directional couplers, with a last microstrip directional ...
Power amplifier with input power protection circuits
Technetix B.v.
September 14, 2017 - N°20170264253

An rf power amplifier circuit and input power limiter circuits are disclosed. A power detector generates a voltage output proportional to a power level of an input signal. There is a directional coupler with a first port connected to a transmit signal input, a second port connected to the input matching network, and a third port connected to the power ...
Tunable optical directional coupler
Technetix B.v.
September 07, 2017 - N°20170255079

A tunable optical directional coupler includes a first waveguide and a second waveguide proximal to the first waveguide, the first and second waveguides defining a light-coupling coefficient. The tunable optical directional coupler also includes a doped junction having a refractive index that is responsive to an applied bias voltage wherein the refractive index is changeable to enable tuning of the ...
Integrated filter and directional coupler assemblies
Skyworks Solutions, Inc.
August 31, 2017 - N°20170250666

Integrated filter and electromagnetic coupler assemblies. In certain examples, an integrated filter and electromagnetic coupler assembly includes a filter having a capacitance and a series inductance, the series inductance being connected between an input port and an output port of the integrated filter and electromagnetic coupler assembly, and combination of the capacitance and the series inductance being selected to provide ...
Radio frequency generator automated test system
Frontier Engineering, Llc
August 24, 2017 - N°20170244500

A test system for monitoring the performance of a radio frequency signal generator is introduced. The system operates to predict approaching or imminent failure of the radio frequency generator. The system includes a directional coupler, a first detector, a second detector, and a processor to collect, process, and analyze data from the radio frequency generator under test.
Directional Coupler Patent Pack
Download + patent application PDFs
Directional Coupler Patent Applications
Download + Directional Coupler-related PDFs
For professional research & prior art discovery
inventor
  • + full patent PDF documents of Directional Coupler-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Phase shifting by mechanical movement
The Board Of Trustees Of The Leland Stanford Junior University
August 17, 2017 - N°20170235056

A modified directional coupler structure is used to provide a controllable time delay or phase shift for radiation propagating through the structure. A longitudinal displacement of the interaction region of the directional coupler relative to one or both of the waveguides of the directional coupler provides this effect. Double flexure arrangements can be used to provide longitudinal displacement with substantially ...
Compact and low loss y-junction for submicron silicon waveguide
Elenion Technologies, Llc
August 17, 2017 - N°20170235046

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×2μm, orders of magnitude smaller than ...
Fibet optic pulsed polarimetry
Elenion Technologies, Llc
August 10, 2017 - N°20170227588

This disclosure is directed to fiber optic pulsed polarimeters based on either streak camera or photodiode detection using a backscatter tailored optical fiber and the polarization optical time domain reflectometry technique for conducting remote diagnostic measurements of inducing fields along the fiber. The backscatter tailored optical fiber comprises a single mode fiber with an array of fiber bragg gratings written ...
Method and apparatus for facilitating antenna calibration and transceiver
Telefonaktiebolaget Lm Ericsson (publ)
August 03, 2017 - N°20170222739

An apparatus for facilitating antenna calibration comprising: a directional coupler having first, second, third and fourth ports, the first port selectively connected to a radio transmitter or a radio receiver and the second port connected to an antenna; a power combiner/divider having first, second and third ports; the first port of the power combiner/divider selectively connected to a ...
High fidelity and high efficiency qubit readout scheme
International Business Machines Corporation
August 03, 2017 - N°20170222116

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 ...
Directional coupler
Tdk Corporation
July 27, 2017 - N°20170214109

A directional coupler includes a first to a fourth port, a main line connecting the first port and the second port, a first and a second subline section configured to be electromagnetically coupled to the main line, and a phase shifter. The first subline section, the phase shifter, and the second subline section are arranged in this order in series ...
Cable tap
Technetix B.v.
July 13, 2017 - N°20170201001

There is provided a cable tap device for a catv network comprising a microstrip directional coupler on an electrical path between an input and an output and arranged to communicate with a splitter device associated with a plurality of tap ports. A tilt compensating circuit is disposed between the microstrip directional coupler and the splitter device. A feedback path comprising ...
Optical modulator with automatic bias correction
Stmicroelectronics Sa
July 13, 2017 - N°20170199399

An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical waves to be compared. Two photodiodes are configured to respectively ...
Loading