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Phase Shift patents

      

This page is updated frequently with new Phase Shift-related patent applications.




 Polarization demultiplexing of optical signals patent thumbnailPolarization demultiplexing of optical signals
An example embodiment includes optical receiver that includes a polarization beam splitter (pbs), a polarization controller, and a forward error correction (fec). The pbs is configured to split a received optical signal having an unknown polarization state into two orthogonal polarizations (x′-polarization and y′-polarization).
Finisar Corporation


 Phase shifted resonator patent thumbnailPhase shifted resonator
Methods and apparatus, including computer program products, are provided for a tunable filter. In some example embodiments, there may be provided an apparatus.
Nokia Technologies Oy


 Systems and methods for inductively coupled power transfer and bidirectional communication patent thumbnailSystems and methods for inductively coupled power transfer and bidirectional communication
A method of wireless power transfer includes providing a primary rail voltage to a primary coil via a primary transistor network, driving the primary transistor network with a primary pwm signal, inducing a secondary current on a secondary coil, providing a secondary rail voltage to a load via a secondary transistor network, generating a voltage signal from the secondary current via a current sense amplifier, phase-locking the voltage signal to the secondary current, adjusting a phase shift and amplitude of the voltage signal based on the impedance of the load, thereby generating a driving voltage, converting the driving voltage to a secondary pwm signal, and driving the secondary transistor network with the pwm signal.. .
Cameron International Corporation


 Multi-beam antenna system patent thumbnailMulti-beam antenna system
An antenna array includes a first antenna disposed on a micro strip and oriented along a first axis in a first direction, a second antenna disposed on the micro strip and oriented along a second axis in the first direction, a third antenna disposed on the micro strip and oriented along the first axis in a second direction opposite the first direction and a fourth antenna disposed on the micro strip and oriented along the second axis in the second direction. The antenna array further includes a phase shifter connected to at least one of the antennas..
Google Inc.


 Device for charging a battery of a motor vehicle on the basis of a single-phase power supply network, and  controlling the device patent thumbnailDevice for charging a battery of a motor vehicle on the basis of a single-phase power supply network, and controlling the device
A device for charging a battery, in particular a battery of an electric traction motor vehicle, on the basis of a single-phase power supply network, including a filtering stage intended to be connected to the single-phase network, a voltage step-down stage connected to the filtering stage, a voltage step-up stage intended to be connected to the battery and coupled to the voltage step-down stage via an inductive component such as an induction coil, a regulating unit able to impose chopping duty ratios on the voltage step-down stage and on the voltage step-up stage. The regulating unit includes means for compensating for the phase shift between the imput current of the voltage step-down stage and the imput voltage of the voltage step-down stage..
Renault S.a.s.


 Seamless match point switching in mlse-based modems patent thumbnailSeamless match point switching in mlse-based modems
Method and system for providing seamless match point switching in an adaptive decoder (e.g., an mlse decoder) that is based on estimation of symbol sequences, according to which statistics regarding samples corresponding to different symbol sequences in alternative match points are collected by a statistics collector, to create a set of figures of merit representing the quality of each alternative match point, while different match points are obtained by changing the delay of symbols decoded by the adaptive decoder and samples entering the statistics collector. A figure of merit of the current match point is compared to the figure of merit of alternative match points.
Multiphy Ltd.


 A  modulating light in a telecommunication network patent thumbnailA modulating light in a telecommunication network
A technique is provided for modulating light in a telecommunication network. The technique includes modulating light with a first intensity modulator and modulating light with a second intensity modulator.
Alcatel Lucent


 Interference cancellation system patent thumbnailInterference cancellation system
Systems and methods for cancelling interference from a received signal in order to properly detect a signal of interest are disclosed. A combined signal of interest plus interference signal may be received.
L-3 Communications Corporation


 Antenna for wireless communication  fixing antenna oscillator to reflector patent thumbnailAntenna for wireless communication fixing antenna oscillator to reflector
The present disclosure relates to an antenna for a wireless communication system. The antenna comprises a reflector having a front side for transmitting a signal and a back side opposite to the front side; an antenna oscillator disposed on the front side of the reflector; a phase shifter network disposed on the back side of the reflector; and an antenna oscillator fixing apparatus disposed on the front side of the reflector and configured to fix the antenna oscillator to the front side of the reflector.
Alcatel Lucent


 Mask blank and  manufacturing phase shift mask patent thumbnailMask blank and manufacturing phase shift mask
A mask blank suitable for fabricating a phase shift mask having a thin film pattern composed of a material enabling dry etching with a fluorine-based gas and a substrate-engraved pattern. The mask blank 100 is used to fabricate a phase shift mask having a thin film pattern and a substrate-engraved pattern.
Hoya Corporation


Control circuit for use with a four terminal sensor, and measurement system including such a control circuit

A control circuit for use with a four terminal sensor, the sensor having first and second drive terminals and first and second measurement terminals, the control circuit arranged to drive at least one of the first and second drive terminals with an excitation signal, to sense a voltage difference between the first and second measurement terminals, and control the excitation signal such that the voltage difference between the first and second measurement terminals is within a target range of voltages, and wherein the control circuit includes n poles in its transfer characteristic and n−1 zeros in its transfer characteristic such that when a loop gain falls to unity the phase shift around a closed loop is not substantially 2π radians or a multiple thereof, where n is greater than 1.. .
Analog Devices Global

Method and system of thermographic non-destructive inspection for detecting and measuring volumetric defects in composite material structures

A thermographic non-destructive inspection method of a structure, comprising the steps of: generating a modulated thermal wave in the direction of the structure; generating a temperature signal identifying a phase shift between the modulated thermal wave and a return thermal wave emitted from the structure; processing the temperature signal to obtain a first sub-signal related to the phase of the first harmonic of the temperature signal; identifying a first dimension of said defect as a function of the phase of the first harmonic of the temperature signal; calculating a first and a second intermediate parameter, ΔΦ1 for the first harmonic and ΔΦ2 for the third harmonic of the temperature signal, by calculating the difference, in degrees, between the phase value inside the zone with a defect and the phase value, absolute or mean of a plurality of points, of the undamaged zone close to the defect; and identifying a second dimension of the defect as a function of the first dimension and of the intermediate parameters ΔΦ1 and ΔΦ2.. .
Leonardo S.p.a.

Ultrasound imaging system

The present invention is directed to an ultrasound imaging system and method for doppler processing of data. The ultrasonic imaging system efficiently addresses the data computational and processing needs of doppler processing.
Teratech Corporation

Secure radio methods and apparatus

The present application describes a computer-implemented method for frequency hopping including configuring a radio front end to operate on a first frequency; receiving a transmit signal in a first path in the radio front end; amplifying a transmit signal in the first path; phase shifting the transmit signal in a second path in the radio front end, the second path being different from the first path; coupling the amplified transmit signal to a third path in the radio front end; coupling the phase-shifted transmit signal in the second path to the amplified transmit signal in the third path to form a carrier-cancelled signal in a fourth path in the radio front end in the radio front end; phase shifting the carrier-cancelled signal in the fourth path; coupling the phase-shifted carrier-cancelled signal in the fourth path to the amplified transmit. .
Lgs Innovations Llc

Self-interference cancellation antenna systems and methods

The present application describes systems and methods of performing self-interference cancellation. Such systems may include generating a transmit signal along a transmit path of a transceiver, where the transmit signal can be sent through a circulator to isolate the transmit signal from a receiver.
Lgs Innovations Llc

Self-interference cancellation antenna systems and methods

The present application describes systems and methods of performing self-interference cancellation. Such systems may include generating a transmit signal along a transmit path of a transceiver, where the transmit signal can be sent through a circulator to isolate the transmit signal from a receiver.
Lgs Innovations Llc

Ninety-degree phase shifter circuit and corresponding ninety-degree phase-shifting method

A phase shifter, which carries out a ninety-degree phase shift of a sinusoidal input signal having an input frequency, at the same input frequency, envisages: a continuous-time all-pass filter stage, which receives the sinusoidal input signal and generates an output signal phase-shifted by 90° at a phase-shift frequency that is a function of a rc time constant of the all-pass filter stage; and a calibration stage, which is coupled to the all-pass filter stage and generates a calibration signal for the all-pass filter stage, such that the phase-shift frequency is equal to the input frequency of the sinusoidal input signal, irrespective of variations of the value of the input frequency and/or of the rc time constant with respect to a nominal value.. .
Stmicroelectronics S.r.l.

System and reconfigurable phase shifter and mixer

An analog circuit for generating a periodic signal at a selected phase, including one or more phase interpolators that receive orthogonal differential rf signals and a pair of differential gain signals. The differential in-phase rf signal is applied at respective gates of tail transistors, and a first differential gain signal is applied across gates of a transistor pair coupled to each of the tail transistors.
Texas Instruments Incorporated

Dielectric slab interlocking device of a phase shifter

A dielectric slab interlocking device is movably mounted onto a feed layer of the phase shifter for moving multiple dielectric slabs relative to a phase shifting circuit unit on the feed layer. The dielectric slab interlocking device is divided into a fork-shaped interlocking section and a driven section.
Wha Yu Industrial Co., Ltd.

Quantum technology

A device for the storage and/or processing of quantum information comprises: a body (6), formed from a material having negligible net nuclear or electronic magnetic field; a set of data entities (4) embedded in said body, each having a plurality of magnetic field states; a set of probes (2), offset from the body, arranged to acquire internal phase shifts due to the magnetic fields of said data entities; wherein the probes (2) are each arranged to move relative to a plurality of data entities (4) in order that each probe (2) acquires an internal phase shift from the plurality of data entities (4); and means for reading each probe (2), thereby establishing a parity of the plurality of data entities (4).. .
Oxford University Innovation Limited

Radar device

A radar device includes: an aperture surface including element antennas and phase shifters; an antenna phase control unit for calculating phase amounts based on a beam orientation direction and a rotation angle of the aperture surface; an antenna driving control unit for setting a rotation angle to a rotation mechanism; a signal processing unit for detecting a target with the use of the radar receiver, setting at least one of the rotation angle of the aperture surface or the beam orientation direction in the antenna driving control unit and the antenna phase control unit, and calculating the level of competing cluttering with the use of an antenna pattern, to thereby determine propriety of the rotation angle; and a pattern calculating unit for calculating the antenna pattern from the rotation angle of the aperture surface and from the beam orientation direction.. .
Mitsubishi Electric Corporation

Waveguide structure for use in direction-of-arrival determination system and associated determination method

The waveguide structure is for determining direction-of-arrival of a signal received by first and second antennas spaced-apart from one another. The waveguide structure has a first input port connectable to the first antenna and connected to a first splitter; a second input port connectable to the second antenna and connected to a second splitter, the second input port being located adjacent to the first input port; a third splitter; and a fourth splitter.
Huawei Technologies Canada Co., Ltd.

Optical interference device

An optical interference device 100 is disclosed herein. In a described embodiment, the optical interference device 100 comprises a phase shifter array 108 for receiving a collimated beam of light.
National University Of Singapore

Instantaneous phase-shift interferometer

An instantaneous phase-shift interferometer uses a light source having a coherence length shorter than a difference in optical path length between the light reflected from a reference surface and the light reflected from a measured surface. A beam from the light source is split and, using an adjustable delay optical path, a first beam is delayed to cause a difference in optical path length and is superimposed on the same optical axis as a second beam, after which the reference beam and the measurement beam are generated.
Mitutoyo Corporation

Front-end circuit for simultaneous transmission and reception operation

A front end circuit is disclosed. In an embodiment, the circuit includes a first antenna connection and first to third signal paths, each of which include a tunable filter and each of which is connected to the first antenna connection.
Epcos Ag

Method and device for extending beam area in wireless communication system

The present disclosure relates to a pre-5th-generation (5g) or 5g communication system to be provided for supporting higher data rates beyond 4th-generation (4g) communication system such as long term evolution (lte). An electronic device is provided in a wireless communication system.
Samsung Electronics Co., Ltd.

Device for processing light/optical radiation, designing such a device

A device is provided for processing a light radiation, including at least two reflective optical elements defining a multi-pass cavity so that at least one of the optical elements reflects the light radiation at least twice, at at least two different reflection positions, and including at least one element, called corrective element, having at least one position, called corrective position, producing a reflection or a transmission of the optical radiation, and the surface of which is irregular so that the spatial phase profile of the corrective position has a different phase shift for several different reflection/transmission points of corrective position.. .
Calibs

Distributed nondestructive structural defects detection in slickline cables

In some embodiments, a distributed nondestructive inspection method for slickline cable structural defect detection transmits a light pulse along an optical waveguide in the slickline cable. A reflected light signal is 5 received from the optical waveguide in response to the light pulse.
Halliburton Energy Services, Inc.

Downhole sensing systems and methods employing squeezed light interferometry

An illustrative downhole sensing system includes a phase-squeezer assembly, an interferometer with a downhole sensor on the sensing path, and a receiver. The phase squeezer assembly provides a phase-squeezed laser beam, preferably with a squeeze parameter greater than 2.
Halliburton Energy Services, Inc.

Ferroelectric nanocomposite based dielectric inks for reconfigurable rf and microwave applications

A novel ferroelectric ink comprising multiphase barium strontium titanate (bst) in a polymer composite is described. The ink can be employed using direct-ink writing techniques to print high dielectric constant, low loss, and electrostatically-tunable dielectrics on substrates.
University Of Massachusetts

Spiro-oxazolones

The present invention provides spiro-oxazolones, which act as v1a receptor modulators, and in particular as v1a receptor antagonists, their manufacture, pharmaceutical compositions containing them and their use as medicaments. The present compounds are useful as therapeutics acting peripherally and centrally in the conditions of inappropriate secretion of vasopressin, anxiety, depressive disorders, obsessive compulsive disorder, autistic spectrum disorders, schizophrenia, aggressive behavior and phase shift sleep disorders, in particular jetlag..
Hoffmann-la Roche Inc.

Resonant inverter topology, wireless charger, and control method

A wireless charger for an electric vehicle and a resonant inverter comprising a resonant portion that serially connects to a phase shifting portion and serially connects with a load component and a method for controlling a resonant inverter having multiple phase shifts, comprising operating the frequency of the resonant inverter close to the resonant frequency of the inverter through the full operation range of the resonant inverter; and adjusting phase shifts to control the output power of the resonant inverter.. .
New York University

Transceiver arrangement and communication device

A transceiver arrangement is disclosed. The transceiver arrangement comprises a receiver arranged for frequency-division duplex communication with a communication network and a transmitter arranged for frequency-division duplex communication with the communication network.
Telefonaktiebolaget L M Ericsson

Circuit for generating at least two rectangular signals with adjustable phase shift and use of said circuit

A circuit for generating at least two rectangular signals with adjustable phase shift, comprises a frequency divider circuit that receives a clock signal as input and provides a signal as output, at least two comparators that receive, respectively, a first threshold voltage and at least a second threshold voltage at one input, and a ramp signal, synchronized with the clock signal, at a second input, the at least two threshold voltages allowing the value of the phase shift between the at least two rectangular signals to be adjusted, and at least two d-type flip-flops that receive, respectively, the output signal from the first comparator and the output signal from the second comparator at their clock inputs, and the output signal from the frequency divider circuit at their d-input.. .
Thales

Phase shifter

A phase shifter includes: a feed layer; a stripline feeding network as strip conductor fixed to a circuit layout surface, the stripline feeding network having a phase shifting unit, including two fixed transmission line sections, and a trimmer with stripline conductor, including an acting surface facially opposite to the phase shifting unit, the stripline conductor is located in the acting surface in strip shape, and the stripline conductor and the two fixed transmission line sections of phase shifting unit are in electrical transport relationship, the electrical transmission length between line sections can be adjusted by the shift of stripline conductor to implement phase shift function; an interlocking bar, in displacement actuation state located at the gap on the circuit layout surface of feed layer, the interlocking bar drives the trimmer to shift; a metal layer, located in the corresponding position of at least a back side of feed layer.. .
Wha Yu Industrial Co., Ltd.

Phase shifter with asymmetric dielectric unit

A phase shifter with asymmetric dielectric unit includes: a feed layer, with circuit layout surface and back side; a stripline feeding network fixed to the circuit layout surface, including a phase shifting unit and a power distribution unit; an asymmetric dielectric unit, including the upper dielectric plate on the circuit layout surface of corresponding feed layer and a lower dielectric plate on the back side of corresponding feed layer, the upper and lower dielectric plates are pairwise located and shift simultaneously, corresponding to the fixed transmission line section of phase shifting unit, the phase is changed by shifting the dielectric plates for phase shift function; the ends corresponding to the displacement direction of the dielectric plates are asymmetrically laid by staggering the edge positions; and an interlocking frame, located in the circuit layout surface and back side of feed layer, for driving the upper and lower dielectric plates to shift.. .
Wha Yu Industrial Co., Ltd.

Wireless synchronization of mm-wave arrays

Systems and methods providing wireless synchronization of wave arrays may include an antenna that receives a wireless injection signal and another antenna that radiates a locked wave signal corresponding to the injection signal. In some embodiments, these systems may also provide a low noise amplifier, voltage controlled oscillator (vco), buffer amplifier(s), phase shifter, and/or multi-stage amplifier.
William Marsh Rice University

Calibration network for a phased array antenna

A calibration network system for an array antenna and method for calibrating of the array antenna are described. The system includes a pair of rectangular waveguides stacked in parallel relation to each other and spaced apart at a distance of a quarter of an operating wavelength.
Elta Systems Ltd.

Cdr control circuit, cdr circuit, and cdr control method

A cdr control circuit detects a phase shift of input data that is taken in with a phase-adjusted clock, and generates phase control data that controls the phase of the clock based on the detected phase shift, the cdr control circuit includes a change detection circuit that detects an over-change in the phase shift; and a selection circuit that outputs the phase shift before the change, which is the phase shift before the time of detection of the over-change, as the phase shift for a predetermined period of time at the time of detection of the over-change, wherein during the predetermined period of time, the phase control data is generated based on the phase shift before change.. .
Socionext Inc.

State change stabilization in a phase shifter/attenuator circuit

An electronic system that includes a digitally selectable phase shifter circuit and an insertion loss fine adjustment circuit such that the system as a whole exhibits little or no change in insertion loss when changing phase state, and/or a digitally selectable attenuator circuit and a phase fine adjustment circuit such that the system as a whole exhibits little or no effect on phase when changing attenuation state. Included are methods for selecting adjustment control words for such circuits..
Peregrine Semiconductor Corporation

Large-scale space-based solar power station: power transmission using steerable beams

A space-based solar power station, a power generating satellite module and/or a method for collecting solar radiation and transmitting power generated using electrical current produced therefrom is provided. Power transmitters can be coordinated as a phased array and the power generated by the phased array is transmitted to one or more power receivers to achieve remote wireless power generation and delivery.
California Institute Of Technology

Configurable antenna and operating such a configurable antenna

Antenna apparatus and a method of operating the antenna apparatus are provided. The antenna apparatus comprises a directional antenna comprising antenna array components, rf chains connected to the antenna array components, and a transceiver connected to the rf chains.
Airspan Networks Inc.

Noise detection device, noise detection method, and noise detection program

A frame signal generator is configured to generate a frame signal with a predetermined first time length from an input signal. A reference signal generator is configured to generate a reference signal from a signal located more in a past than a position of the frame signal in the input signal.
Jvc Kenwood Corporation

Optical element having two phase masks

An optical element is disclosed. The optical element comprises: a first phase shift mask formed on a first optical material and constituted to generate a positive phase shift, and a second phase shift mask formed on a second optical material and constituted to generate a negative phase shift, wherein the phase shift masks are arranged serially on an optical axis, and wherein a refractive index of at least one of the first and second optical materials varies with the temperature at a rate of at least 50×10−6 per degree kelvin..
Ramot At Tel-aviv University

Psm blank for enhancing small size cd resolution

A phase shift mask blank includes a transparent substrate, a phase shift layer, a first hard mask layer and an opaque layer. The transparent substrate is disposed on the transparent substrate.
Taiwan Semiconductor Manufacturing Co., Ltd.

Optical system for precision control of an electric field within the focus of a laser beam

Disclosed are various implementations for controlling an electric field within a focused beam of electromagnetic radiation. In one example, among others, a system includes a first birefringent element encodes a first phase shift on a vertical component of a polarization of an input beam.
Florida A&m University

Geolocation antenna system

Systems and methods for improved global positioning system (“gps”) function employ two multiband, multiport antennas to receive gps signals. The antennas also serve wifi frequencies, and the system utilizes the received wifi signal strength to correct the gps reception pattern for detuning due to user contact or other factors.
Motorola Mobility Llc

X-ray interferometer

Embodiments relate to an x-ray interferometer for imaging an object comprising: a phase grating for effecting in correspondence with the phase grating geometry a phase shift to at least a part of x-ray incident onto the phase grating; and an absorption grating for effecting in correspondence with the absorption grating geometry absorption to at least a part of x-ray incident onto the absorption grating. The grating period of the phase grating, and the grating period of the absorption grating may be dimensioned such that a detector for x-rays can be placed at a relatively large distance away from the absorption grating such the phase contrast sensitivity of the image of the object detected by the detector remains substantially unaffected..
Csem Centre Suisse D'electronique Et De Microtechnique Sa-recherche Et Developpement

Transceiver architecture for multiple antenna systems

A transceiver architecture with combined digital beamforming and analog/hybrid beamforming is proposed. Digital beamforming is used for beam training with reduced overhead (switching time).
Mediatek Inc.

Phase shifter and transmission system equipped with same

A phase shifter and a transmission system equipped with same. The phase shifter has a section having an open circular shape, thereby shifting the phases of signals entering from the input unit..
Lg Innotek Co., Ltd.

Clock phase shift circuit

An electronic device includes a first circuit to generate an output control signal when a first voltage across a first capacitor receiving an input current exceeds a threshold voltage, in response to an input signal having a first logic level. The input current is proportional to a frequency of the input signal.
Stmicroelectronics (shenzhen) R&d Co. Ltd

Power amplifying apparatus

A power amplifying apparatus includes a radio frequency (rf) power amplifier, a supply modulating unit, a phase shifting unit, and an envelope shaping unit. The rf power amplifier receives an input rf signal and outputs an amplified rf signal.
Avago Technologies General Ip (singapore) Pte. Ltd

Phase-shifting a synchronization signal to reduce electromagnetic interference

A power supply with reduced electromagnetic interference (emi) is described. This power supply includes cascaded stages with switched-mode power-supply circuits that are switched synchronously during operation by switching signals that have a common fundamental frequency.
Apple Inc.



Phase Shift topics:
  • Phase Shift
  • Modulation
  • Demodulation
  • Phase Offset
  • Objective Function
  • Carrier Frequency
  • Coordinates
  • Crystallin
  • Radio Communication
  • Base Station
  • Communications
  • Frequency Band
  • Euclidean Distance
  • Microscopy
  • Quantitative


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    This listing is a sample listing of patent applications related to Phase Shift for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Phase Shift with additional patents listed. Browse our RSS directory or Search for other possible listings.


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