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Phase Shift

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


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Filtered orthogonal binary phase shift keying modulation with low peak-to-average-power ratio
Qualcomm Incorporated
October 12, 2017 - N°20170295047

Methods, systems, and devices for wireless communications are described. A transmitting device may modulate a first binary sequence using binary phase shift keying on a first axis of a complex plane. The device may modulate a second binary sequence using binary phase shift keying on a second plane of a complex axis. The first axis and the second axis may ...
Wearable alarm system incorporating phased-array radar water sensing
Qualcomm Incorporated
October 12, 2017 - N°20170294094

The phased-array radar allows the remote sensing of water in either daylight or night. The phased-array radar comprises multiple antenna elements including an independent antenna element phase shifter allowing beamsteering. The device scans an object using a preset beamsteering algorithm independent of movement. The multiple antenna elements and beamsteering improve image data accuracy which is then interpreted and correlated with ...
Photomask having a plurality of shielding layers
Taiwan Semiconductor Manufacturing Co., Ltd.
October 12, 2017 - N°20170293218

In some embodiments, a patterned photomask has a plurality of shielding layers. In some embodiments, a photomask for mask patterning is described. The photomask includes a phase shift layer overlying a transparent layer. The photomask also includes a first shielding layer overlying the phase shift layer. The first shielding layer has a first thickness and a first optical density. The ...
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Phase Shift Patent Applications
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Optical loop enhanced optical modulators
Taiwan Semiconductor Manufacturing Co., Ltd.
October 12, 2017 - N°20170293083

External modulators, variable optical attenuators, optical gates, etc. Employing mach-zehnder interferometers (mzis) are a common structure within photonic integrated circuits and solutions for addressing the ever increasing demands for larger bandwidth and higher capacity in telecommunication and datacom networks. In most applications, but particularly data centers with potentially tens of thousands of optical links where direct board level applications would ...
Apparatus and methods for locked quantum communicationusing photonic integrated circuits
Taiwan Semiconductor Manufacturing Co., Ltd.
October 12, 2017 - N°20170293082

A large-scale tunable-coupling ring array includes an input waveguide coupled to multiple ring resonators, each of which has a distinct resonant wavelength. The collective effect of these multiple ring resonators is to impart a distinct time delay to a distinct wavelength component (or frequency component) in an input signal, thereby carrying out quantum scrambling of the input signal. The scrambled ...
Microwave heating device and method for operating a microwave heating device
Illinois Tool Works Inc.
October 05, 2017 - N°20170290105

This disclosure relates to a microwave heating device and a method for operating a microwave heating device, in particular to heat at least one product inside a heating chamber of the device. The microwave heating device comprises at least two radiating portions that are adapted to radiate microwaves to the heating chamber and can be operated according to a plurality ...
Phase Shift Patent Pack
Download 270+ patent application PDFs
Phase Shift Patent Applications
Download 270+ Phase Shift-related PDFs
For professional research & prior art discovery
inventor
  • 270+ full patent PDF documents of Phase Shift-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 signaling information by modifying modulation constellations
Intel Corporation
October 05, 2017 - N°20170288934

Methods and systems for communicating in a wireless network may distinguish different types of packet structures by modifying the phase of a modulation constellation, such as a binary phase shift keying (bpsk) constellation, in a signal field. Receiving devices may identify the type of packet structure associated with a transmission or whether the signal field is present by the phase ...
Higher order optical pam modulation using a mach-zehnder interferometer (mzi) type optical modulator having a ...
Stmicroelectronics Sa
October 05, 2017 - N°20170288781

An optical modulator includes an optical waveguide including at least a first pn junction phase shifter and a second pn junction phase shifter. A driver circuit drives operation of the first and second pn junction phase shifters in response to a pulse amplitude modulated (pam) analog signal having 2n levels. The pam analog signal is generated by a digital to ...
Phased array transmission device and carrier leak correction method
Panasonic Intellectual Property Management Co., Ltd.
October 05, 2017 - N°20170288762

Provided is a phased array transmission device including: a plurality of transmission branches, each being provided with a phase shift unit that applies a phase rotation to a baseband signal, a dc offset correction unit that adds a first correction value to an output signal of the phase shift unit, and a mixer that subjects an output signal of the ...
Oil type phase shift transformer for medium voltage inverter system
Lsis Co., Ltd.
October 05, 2017 - N°20170288572

Disclosed is a phase shift transformer for supplying voltage to a plurality of unit power cells in a medium voltage inverter system. The phase shift transformer according to the present invention comprises a first bushing arranged by the side of a tank and connected to a first winding to apply high voltage and a plurality of second bushings arranged on ...
Adjustable phase shifting device for array antenna and antenna
Lsis Co., Ltd.
October 05, 2017 - N°20170288306

This paper discloses an adjustable phase shifting device for antenna array as well as an antenna array, the device including a branched network of feed lines containing transformer portions of varying width for reducing reflection of signals passing through the network and coupling the common input port with the output ports placed along the first edge of the device via ...
Mask blank, phase shift mask, method for manufacturing phase shift mask, and method for manufacturing ...
Hoya Corporation
October 05, 2017 - N°20170285458

A mask blank with phase shift film where changes in transmittance and phase shift to an exposure light of an arf excimer laser are suppressed. The film transmits light of an arf excimer laser at a transmittance of 2% or more and less than 10% and generates a phase difference of 150 degrees or more and 190 degrees or less between the exposure light ...
Stereoscopic light recycling device and method of construction thereof
Lightspeed Design, Inc.
October 05, 2017 - N°20170285456

A stereoscopic device light recycling device and method of construction thereof is provided. A beam splitter is constructed of substantially orthogonally polarizing material on which image light is received. At least one support member is affixed to the beam splitter and is configured to hold the beam splitter at an angle. A phase shifting optic includes a reflective surface coated ...
Phase Shift Patent Pack
Download 270+ patent application PDFs
Phase Shift Patent Applications
Download 270+ Phase Shift-related PDFs
For professional research & prior art discovery
inventor
  • 270+ full patent PDF documents of Phase Shift-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.
Delay line interferometer with polarization compensation at selective frequency
Inphi Corporation
October 05, 2017 - N°20170285267

An apparatus of polarization self-compensated delay line interferometer. The apparatus includes a first waveguide arm of a first material of a first length disposed between an input coupler and an output coupler and a second waveguide arm of the first material of a second length different from the first length disposed between the same input coupler and the same output ...
Characterization of dielectric slabs attached to the body using focused millimeter waves
Northeastern University
October 05, 2017 - N°20170284945

A system for characterizing a dielectric object situated adjacent to an electrically conductive surface comprises a radiation source configured to radiate electromagnetic energy toward the dielectric object, and a receiver configured to receive scattered electromagnetic energy scattered by the dielectric object and the electrically conductive surface. The system may further comprise a control subsystem, coupled to the radiation source and ...
Method and system for detecting and managing an electrical phase loss condition in a climate ...
Thermo King Corporation
October 05, 2017 - N°20170282714

A method for detecting and managing an electrical phase loss condition in a climate controlled transport unit (cctu) is provided. The method includes monitoring a generator phase signal outputted from a generator of the cctu. The method also includes calculating, via a cctu controller, a phase shift amount based on the generator phase signal. Also, the method includes detecting an ...
Method for detecting presence or absence of phase shift keying modulations
United States Of America As Represented By Secretary Of The Navy
September 28, 2017 - N°20170279643

A signal detection method that allows characterization of a modulated signal to be efficiently determined. The method comprises the steps of receiving a data signal, processing the data signal to determine its value squaring the value of the signal; filtering the squared signal value to remove dc content; evaluating the resulting signal to determine if a single sinusoidal value remains; ...
Bullet-resistant electrical installation
Siemens Aktiengesellschaft
September 28, 2017 - N°20170279251

An electrical installation, in particular a transformer, phase shifter or inductor, which includes a fluid-filled tank having side walls, wherein, for protection against bombardment and/or fragmentation effects, the side walls are formed in a bullet-resistant manner and are made of a material having a traction strength of greater than 1000 mpa, or wherein a bullet-resistant reinforcement made of such a ...
Ultra wide band digital phase shifter
Nanjing Milewei Corp.
September 28, 2017 - N°20170279174

The present invention discloses an ultra wide band digital phase shifter, wherein the phase shifter includes a coupler, a first impedance network and a second impedance network. The coupler is cascaded by spiral inductor coupling units; each stage of spiral inductive coupling unit includes a first spiral inductor and a second spiral inductor coupled mutually; multistage cascade of the spiral ...
Mitigation of laser power variation induced phase shift in heat assisted magnetic recording systems
Hgst Netherlands B.v.
September 28, 2017 - N°20170278538

A system for compensating for heat induced transient phase shift in a heat assisted magnetic recording system. A heat assisted magnetic data recording system includes a near field thermal transducer that locally heats the media during writing. The thermal transducer, when activated, results in a change in size of a magnetic transition written to the magnetic media. This change in ...
Ultra-responsive phase shifters for depletion mode silcon modulators
Elenion Technologies, Llc
September 28, 2017 - N°20170276971

A novel phase shifter design for carrier depletion based silicon modulators, based on an experimentally validated model, is described. It is believed that the heretofore neglected effect of incomplete ionization will have a significant impact on ultra-responsive phase shifters. A low vπl product of 0. 3 v·cm associated with a low propagation loss of 20 db/cm is ...
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