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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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NEW Synchronization signal design
Qualcomm Incorporated
May 17, 2018 - N°20180139712

Methods, systems, and devices for wireless communication are described that provide for the indication of communication information using a correlation between synchronization signals transmitted by a base station for cell acquisition. The communication information may include a physical channel timing parameter such as synchronization periodicity, a physical broadcast channel (pbch) periodicity, a beam sweep periodicity, or a cyclic prefix (cp) ...
NEW Hf circuit and hf module
Snaptrack, Inc.
May 17, 2018 - N°20180138929

An hf circuit is specified, by means of which carrier aggregation is possible with a simple design. The circuit comprises a duplexer, a further filter, and two phase shifters, and can be used in an hf module of a mobile wireless device.
NEW Method in wireless receiver for using reduced number of phase shifters
Movandi Corporation
May 17, 2018 - N°20180138879

A wireless receiver includes an antenna receiving a right-handed circularly polarized (rhcp) signal and a left-handed circularly polarized (lhcp) signal, a first amplifier and a second amplifier coupled to the antenna, an intermediate summer coupled to the first and second amplifiers and providing a first intermediate signal, an intermediate subtractor coupled to the first and second amplifiers and providing a ...
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NEW Method of damping electromechanical oscillations on a power system
Nordex Energy Gmbh
May 17, 2018 - N°20180138708

A method is for damping electromechanical oscillations on a power system by injecting reactive power generated by one or more wind turbines. A reactive power controller is adapted to determine a reference reactive power value depending on an actual system voltage. The method includes: measuring oscillation data, filtering the measured oscillation data to remove a steady state offset, providing a ...
NEW Metamaterial-based phase shifting element and phased array
Palo Alto Research Center Incorporated
May 17, 2018 - N°20180138570

A metamaterial-based phase shifting element utilizes a variable capacitor (varicap) to control the effective capacitance of a metamaterial structure in order to control the phase of a radio frequency output signal generated by the metamaterial structure. The metamaterial structure is configured to resonate at the same radio wave frequency as an incident input signal (radiation), whereby the metamaterial structure emits ...
NEW Apparatus and method for vector s-parameter measurements
Globalfoundries Inc.
May 17, 2018 - N°20180136304

The disclosure relates to an apparatus and a method for vector scattering parameter (s-parameter) measurements, and more particularly, to an apparatus and a method for providing a simple, low cost solution for tests requiring vector s-parameter measurements. The apparatus includes a source which provides an input signal, a divider which splits the input signal to a reference signal and a ...
Phase Shift Patent Pack
Download 270+ patent application PDFs
Phase Shift Patent Applications
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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.
Phase-switch-equipped variable amplification device and phase shifter
Fujitsu Limited
May 10, 2018 - N°20180131350

There is provided a phase-switch-equipped variable amplification device including a switch including one input port and two output ports and configured to output a single-ended signal input to the one input port into one of the two output ports, a first converter coupled to the two output ports of the switch and configured to convert the single-ended signal output from ...
Variable attenuation device, phase-switching variable attenuation device, and phase shifter
Fujitsu Limited
May 10, 2018 - N°20180131338

A variable attenuation device includes: a first variable attenuator configured to receive a first signal through a first input end, attenuate the first signal by an amount of attenuation according to a control voltage, and output the attenuated first signal through a first output end, the first signal being one of a pair of differential signals having a 180-degree phase ...
Amplifier devices with back-off power optimization
Nxp Usa, Inc.
May 10, 2018 - N°20180131329

The embodiments described herein include amplifier devices that are typically used in radio frequency (rf) applications. The amplifier devices described herein use a plurality of phase shifters to provide selectable back-off power. Specifically, the amplifier devices can be implemented with phase shifters having phase shift values selected to provide a desired back-off power.
Device, system and method for starting a single-phase induction motor
Whirlpool S.a.
May 10, 2018 - N°20180131296

A device, system and method for starting a single-phase induction motor. The method includes: i) energizing the start winding (50b) and continuously estimating an operating rotation (r1) of the motor throughout its operation; ii) measuring a first phase shift level (d1) between at least two electrical quantities along a first stability stage (e1); iii) monitoring the variation of the first ...
Method for controlling at least two three-phase power converters with asynchronous pulse-width modulation
Ge Energy Power Conversion Technology Ltd
May 10, 2018 - N°20180131264

A method for controlling at least two three-phase power converters with asynchronous pulse-width modulation. The method further comprises the following steps: for each phase of each converter, the characteristics of the signals used to generate the modulating signal and carrier signal of each control signal of each phase of each converter are determined, for each converter, a phase shift is ...
Beam squint remediation apparatus in a broadband phased-array antenna system
May 10, 2018 - N°20180131102

A hierarchical phase shift and delay apparatus enables a large broadband phased-array antenna that is not subject to beam squint. The size of the phased-array antenna both in physical dimension and in number of array elements determines the number of hierarchical delay levels. A method for squint compensation distributes control signal values for phase shift, gain, and time delay for ...
Acoustic holographic recording and reproduction system using meta material layers
Acoustix Vr Inc.
May 10, 2018 - N°20180130491

Holographic sound is recorded and reproduced by way of a single monaural recording per left and right ear recorded. This is accomplished by determining the phase shift of frequencies recorded after dividing the sound into discrete frequencies in a recording device having resonators, each resonating at a different frequency, placed in a circular arrangement and divided into discrete channels by ...
Phase Shift Patent Pack
Download 270+ patent application PDFs
Phase Shift Patent Applications
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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.
Apparatus for determining a thermal conductivity and a thermal diffusivity of a material, and related ...
Battelle Energy Alliance, Llc
May 10, 2018 - N°20180128759

A method of determining a thermal conductivity and a thermal diffusivity of a material comprises exposing a specimen comprising a substrate of a material and a metallic film over the substrate to an amplitude modulated pump laser beam comprising electromagnetic radiation having a first wavelength and a first modulation frequency to form a pump spot on the metallic film. The ...
Phase shift interferometer
Mitutoyo Corporation
May 10, 2018 - N°20180128593

The phase shift interferometer is configured to measure the shapes of measurement objects by acquiring a plurality of images of interference fringes while shifting the phases of the interference fringes. The interference fringes are provided with a phase difference of 90° relative to each other utilizing polarization of light. Images of the interference fringes are captured by two respective cameras ...
Electromagnetic system and method
Ohio State Innovation Foundation
May 10, 2018 - N°20180125432

Differences of electromagnetic (em) properties between healthy and cancerous tissues allow detection of abnormal conditions occurring in a tissue of an animal, for example, intra-operative cancer detection. By using a time-varying em field, electrical eddy currents are generated in the tissue sample, and assessed using phase-sensitive detection. In some aspects, a change in phase shift between the voltage in a ...
Peak-to-average power ratio reduction in a multi-carrier signal
American University Of Beirut
May 03, 2018 - N°20180123851

A method of transmitting a multi-carrier source signal, including symbols constituted by reserved carriers and data carriers. The method includes generating an additional signal that reduces peak-to-average power ratio of the signal to be transmitted. For each symbol, the method obtains m time samples representing the symbols and/or at least one iteration of: detecting p time samples from among ...
Low phase shift, high frequency attenuator
Peregrine Semiconductor Corporation
May 03, 2018 - N°20180123566

A wideband rf attenuator circuit that has a reduced impact on the phase of an applied signal when switched between an attenuation state and a non-attenuating reference or bypass state. A low phase shift attenuation at high rf frequencies can be achieved by utilizing a switched signal path attenuator topology with multiple distributed transmission line elements per signal path to ...
Wireless power receiver with a synchronous rectifier
Energous Corporation
May 03, 2018 - N°20180123400

Embodiments disclosed herein describe a wireless power receiver including a synchronous rectifier using a class-e or a class-f amplifier. The voltage waveform generated from a power source, for example an antenna, is tapped to create a feed-forward tap-line to provide a gate voltage to the transistor of the class-e or the class-f amplifier. In some instances, a constant phase shift ...
Phase shifter and antenna
Huawei Technologies Co., Ltd.
May 03, 2018 - N°20180123240

A phase shifter may include a cavity body, and a fixed circuit board and a phase shift unit that are located inside the cavity body, and the phase shift unit being capable of moving relative to the fixed circuit board. A power division circuit is disposed on the fixed circuit board. The power division circuit includes an input end, a ...
Electron paramagnetic resonance (epr) systems with active cancellation
William Marsh Rice University
May 03, 2018 - N°20180120390

An active cancellation system may be utilized to cancel interference, such as from transmitter leakage or self-interference in a transceiver of an electron paramagnetic resonance (epr) spectrometer. The active cancellation system may be inserted between the transmitter and receiver. The active cancellation system may receive the output of the transmitter, and generate a cancellation signal with the same amplitude, but ...
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