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Directional Coupler

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


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Catv entry adapter and method for distributing catv and in-home entertainment signals
Ppc Broadband, Inc.
June 14, 2018 - N°20180167668

A cable television (catv) entry adapter connects to a catv network and serves as a hub in an in-home entertainment (ihe) network. Ihe signals may be communicated between passive and active ports of an embodiment of the entry adapter through a pair of directional couplers which allow an ihe-enabled embedded multimedia terminal device (emta) at the passive port to communicate ...
Power feeding device, power receiving device, and wireless power feed system
Semiconductor Energy Laboratory Co., Ltd.
June 14, 2018 - N°20180166885

A wireless power feed system with high transfer efficiency of electric power is disclosed. The wireless power feed system includes a power feeding device and a power receiving device, wherein the power feeding device includes a first electromagnetic coupling coil that is connected to an ac power source via a directional coupler; a first resonant coil; a switch connected to ...
Method for designing and manufacturing circulator module having function of directional coupler embedded therein
3rwave Co., Ltd.
June 07, 2018 - N°20180159192

A modularization of a circulator and a directional coupler used in a wireless communication system comprises: a circulator; and a signal coupler, where the signal coupler does not have directivity by itself, and directivity of the circulator module is controlled by isolation characteristics of the circulator to improve electrical characteristics of a wireless communication system and miniaturize the wireless communication ...
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Method of manufacturing directional coupler
Toshiba Infrastructure Systems & Solutions Corporation
May 31, 2018 - N°20180151937

A method of manufacturing a broadside-coupled directional coupler including a main line and a sub line which are broadside-coupled to each other is provided. The method includes at least two adjustment processes.
Transmit and receive combining using circulator with distortion cancellation
Andrew Wireless Systems Gmbh
May 17, 2018 - N°20180138938

A telecommunications system may include a distortion cancellation subsystem for use with a circulator device coupling an antenna to a transmit path and a receive path. The distortion cancellation subsystem may include a correction circuit and a cancellation circuit.
Tunable laser with directional coupler
Skorpios Technologies, Inc.
May 03, 2018 - N°20180123318

A tunable laser has a first mirror, a second mirror, a gain medium, and a directional coupler. The first mirror and the second mirror form an optical resonator.
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Directional coupler feed for flat panel antennas
May 03, 2018 - N°20180123260

Antennas such as flat panel, leaky wave antennas with directional coupler feeds and waveguides are disclosed. In one example, an antenna includes a surface having antenna elements, a guided wave transmission line, and a coupling surface.
Directional couplers and methods for tuning directional couplers
Trumpf Huettinger Gmbh + Co. Kg
May 03, 2018 - N°20180123216

This disclosure relates to directional couplers and methods of tuning directional couplers formed in a printed circuit board. The directional couplers include a main line for transmitting power and at least one secondary line having a coupling portion arranged parallel and at a distance from the main line in a coupling region.
Directional coupler
Tdk Corporation
May 03, 2018 - N°20180123215

The element body includes a main line; a first sub line and a second sub line; a pair of ground layers that are disposed to face each other at positions at which the main line, the first sub line, and the second sub line are interposed in a stacking direction of the plurality of insulator layers; a phase control circuit ...
Directional coupler
Tdk Corporation
May 03, 2018 - N°20180123214

The auxiliary ground layer is a part in which the main line and the sub line do not overlap in the lamination direction and is disposed to face a part in which a distance from the first ground layer and a distance from the second ground layer are different in the lamination direction. When a longer distance is set as ...
Thru-line directional power sensor having microstip coupler
Bird Technologies Group Inc
April 19, 2018 - N°20180106838

Disclosed is a directional coupler having a coupler, a forward resistive attenuator, a reflected resistive attenuator, a forward compensation capacitor, and a reflected compensation capacitor. A forward coupler side arm and reflected coupler side arm of the coupler are configured to obtain a sample of forward energy and a sample of reflected energy from the coupler transmission line section.
Theta laser
Ecole Polytechnique Federale De Lausanne (epfl)
April 12, 2018 - N°20180102625

An unidirectional short-wave infrared fiber laser, comprising a theta cavity, with a gain unit based on rare-earth cations-doped fiber, the theta cavity having a ring cavity with two additional 2 input ports×2 output ports directional couplers dc1 and dc2 inserted therein, one port of the directional coupler dc1 connected to another port of the directional coupler dc2, forming an s-shaped ...
Directional coupler
Murata Manufacturing Co., Ltd.
April 12, 2018 - N°20180102582

A directional coupler includes an input terminal, an output terminal, a coupling terminal, a termination terminal, a first ground terminal, second ground terminals, a main line, a first sub line, and a second sub line. A first low pass filter is included between the coupling terminal and the first sub line.
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Annular directional coupler, in particular for microwave-based distance sensors
Balluff Gmbh
March 29, 2018 - N°20180090810

An annual directional coupler having at least three taps, which are each arranged relative to one another around routes having a wavelength difference of ¼ of a wave guide wavelength, includes in particular at least two branch lines, wherein a first branch line has at least three taps and wherein the at least second branch line does not have any ...
Radio frequency power sensor having a non-directional coupler
Bird Technologies Group Inc
March 29, 2018 - N°20180090809

Disclosed is a capacitive non-directional coupler having a non-directional coupler printed circuit board (pcb) and a capacitive attenuator the non-directional coupler pcb includes a coupler section configured to carry energy travelling on a main transmission line. The non-directional coupler pcb and the capacitive attenuator are configured as a capacitive voltage divider, and provide a sample of the energy on the ...
Switching optical antenna, switching optical antenna array, and optical scanning device
Kabushiki Kaisha Toyota Chuo Kenkyusho
March 29, 2018 - N°20180088439

A switching optical antenna that includes: a waveguide including a light input end and a light output end; a ring waveguide coupled with the waveguide through a first directional coupler; a diffraction grating that is disposed within the ring waveguide and that is coupled with the ring waveguide through a second directional coupler; and a refractive index adjusting section that ...
Embedded directional couplers and related methods
Semiconductor Components Industries, Llc
March 22, 2018 - N°20180083336

A directional coupler includes an electrically conductive main line coupled at least partially in and/or on a dielectric layer and having input and output ports. An electrically conductive coupled line separated from the main line includes a coupled port and is at least partially formed in and/or on the dielectric layer.
Compact and low loss y-junction for submicron silicon waveguide
Elenion Technologies, Llc
March 22, 2018 - N°20180081116

A compact, low-loss and wavelength insensitive y-junction for submicron silicon waveguides. The design was performed using fdtd and particle swarm optimization (pso).
Multi-input directional coupler printed circuit
Tivo Solutions Inc.
March 08, 2018 - N°20180070196

Approaches, techniques, and mechanisms are disclosed for allowing multiple distinct and diverse wireless services (e.g., wi-fi, bluetooth, radio frequency for consumer electronics (rf4ce), zigbee, etc.) to share common frequencies while utilizing a single set of antennas. Among other potential benefits, the techniques may permit the sharing of common frequencies amongst multiple services with reduced (or no) interference amongst ...
Bidirectional coupler
Murata Manufacturing Co., Ltd.
March 01, 2018 - N°20180062672

A bidirectional coupler includes the following elements. A main line and a sub-line are electromagnetically coupled.
Directional coupler and wireless communication device using the same
Tdk Corporation
March 01, 2018 - N°20180062237

Disclosed herein is a directional coupler that includes a main line configured to transmit a high-frequency signal, a sub line electromagnetically coupled to the main line, and a ground pattern positioned at least partially between the main line and the sub line in a plan view. The sub line includes a low pass filter having an inductance pattern and a ...
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