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Phase Shift patents

      

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




 Devices and methods employing hermetic transforms for encoding and decoding digital information in spread-spectrum communication systems patent thumbnailDevices and methods employing hermetic transforms for encoding and decoding digital information in spread-spectrum communication systems
In a direct sequence spread-spectrum (dsss) systems, such as cdma, information is encoded in symbols using phase shift keying or quadrature amplitude modulation. Further, a transmitter applied a selected time shifted lag to each symbol to convey additional information.
Hobbit Wave, Inc.


 Modifiable signal adjustment devices for power amplifiers and corresponding methods & apparatus patent thumbnailModifiable signal adjustment devices for power amplifiers and corresponding methods & apparatus
An embodiment of an amplifier system includes a modifiable signal adjustment device with an rf signal adjustment circuit coupled between first and second nodes. The rf signal adjustment circuit includes an adjustable phase shifter and an adjustable attenuator coupled in series with each other.
Nxp Usa, Inc.


 Ultra-wideband miniaturized crossed circularly-polarized antenna patent thumbnailUltra-wideband miniaturized crossed circularly-polarized antenna
The present disclosure discloses an ultra-wideband miniaturized crossed circularly-polarized antenna, comprising a plurality of radiation sheets, a substrate, a reflecting plate and a phase shifting 90-degree equal power divider, all of which are disposed in order. The front side of the substrate faces the radiation sheets and is provided with an excitation slot.

 Fingerprint sensor and method thereof patent thumbnailFingerprint sensor and method thereof
Disclosed are a fingerprint sensor and a fingerprint sensing method thereof. The fingerprint sensor comprises a substrate, a plurality of sensing electrodes, an integrated circuit and a protection layer.
Egis Technology Inc.


 Signal decoding and modulation processing system for capacitive stylus patent thumbnailSignal decoding and modulation processing system for capacitive stylus
A signal decoding and modulation processing system for capacitive stylus is disclosed. The system includes a micro controller unit (mcu) and a digital processing unit.
Waltop International Corporation


 Systems for integrated self-interference cancellation patent thumbnailSystems for integrated self-interference cancellation
A system for integrated self-interference cancellation, comprising a transmit coupler, coupled to a transmit signal, that samples the transmit signal to create a sampled transmit signal; an analog self-interference canceller, coupled to the transmit coupler, comprising a controller; a signal divider, that splits the sampled transmit signal into a set of signal components; a set of phase shifters, wherein a phase shifter of the set shifts a signal component of the set of signal components by a total phase shift value; a set of scalers, wherein a scaler of the set scales the signal component by a total scale factor; a signal combiner, that combines the set of signal components into a self-interference cancellation signal; and a receive coupler, coupled to a receive signal, that combines the self-interference cancellation signal with the receive signal to remove a portion of self-interference present in the receive signal.. .
Kumu Networks, Inc.


 Quadrature lc tank digitally controlled ring oscillator patent thumbnailQuadrature lc tank digitally controlled ring oscillator
A quadrature lc tank based digitally controlled ring oscillator (dco). The oscillator structure incorporates a plurality of stages, each stage including a buffer and a series lc tank.
Technische Universiteit Delft


 Whole-space inversion using phase correction  multi-frequency dielectric array logging tool patent thumbnailWhole-space inversion using phase correction multi-frequency dielectric array logging tool
Systems, methods, and devices for evaluation of an earth formation intersected by a borehole using a logging tool. Methods include exciting an upper and lower transmitter; receiving signals at a plurality of receivers between the upper and lower transmitter; estimating a phase shift attributable to a volume of interest of the formation adjacent to a section of the carrier corresponding to the plurality of receivers by estimating phase shifts attributable only to portions of the volume of interest adjacent to corresponding portions of the section between each adjacent pair of receivers of the plurality of receivers; wherein each adjacent pair is positioned at a corresponding distance that is no more than half of the shortest wavelength of those wavelengths associated with the received signals.
Baker Hughes Incorporated


 Semi-active torque cancellation solution patent thumbnailSemi-active torque cancellation solution
A torque ripple compensation device for a motor vehicle. The device includes an outer ring, an inner ring and a linkage.
Dana Limited


 Low-crosstalk electro-optical mach-zehnder switch patent thumbnailLow-crosstalk electro-optical mach-zehnder switch
Optical switches and methods of switching include a first hybrid coupler configured to accept an input and to provide two branches. A phase tuner on a first branch includes a mach-zehnder phase shifter configured to shift a signal on the first branch by a selected phase.
International Business Machines Corporation


Field control for permanent magnet dc motors

A field control for permanent magnet motors is provided with a memory lookup table containing several addresses corresponding to each coil of the motor. Each address corresponds to the value of current to be supplied to the corresponding coil at the moment that the address location is interrogated.

High speed controllable load

A high speed controllable load uses a voltage waveform synthesizer and a driver circuit to dynamically control an electronically variable load to generate a current though an arc fault circuit interrupter (afci) device under test. Sensors may be used to monitor a source voltage and the output current to generate an arbitrary waveform have a range of voltage and current phase shifts.
Ul Llc

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 3/15 and quadrature phase shift keying, and bit interleaving method using same

A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute

Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 2/15 and quadrature phase shift keying, and bit interleaving method using same

A bit interleaver, a bit-interleaved coded modulation (bicm) device and a bit interleaving method are disclosed herein. The bit interleaver includes a first memory, a processor, and a second memory.
Electronics And Telecommunications Research Institute

Phase shifter

An interdigital capacitor low loss and high resolution phase shifter is disclosed. The phase shifter includes an input port, a first electrode connected to the input port, an output port and a second electrode connected to the output port and arranged substantially parallel to the first electrode.
Google Inc.

Zero-voltage-switching scheme for phase shift converters

This disclosure relates to improved designs for phase-shift power converters, and, in particular, full bridge converters. Phase-shift power converters may lose zero-voltage-switching (zvs) under some load conditions, e.g., light load conditions—which can result in large switching losses.
Apple Inc.

Method for operating a laser device, resonator arrangement and use of a phase shifter

A method for operating a laser device, including providing a laser pulse in a resonator so that the laser pulse circulates in the resonator, the laser pulse having a carrier wave; determining an offset frequency (f0) of the frequency comb corresponding to the laser pulse, the frequency comb having a plurality of laser modes (fm) at a distance (frep) from one another, the frequencies of which can be described by the formula: fm=m*frep+f0, m being a natural number, and varying the offset frequency (f0) by varying a geometric phase (Δφ) that is imparted to the carrier wave of the laser pulse per resonator circulation.. .
Menlo Systems Gmbh

Resolution of mode hopping in the output of laser cavities

An optical system includes a laser cavity on a base. The laser cavity generates a light signal in response to application of an electrical current to the laser cavity.
Kotura, Inc.

Bias-free regularization for spectral phase-unwrapping in differential phase contrast imaging

Methods and related apparatus (sp) to correct phase shift image data for phase wrapping artifacts. The data is detected at a detector (d) of an imaging system (im) including interferometric equipment (g0, g1, g2).
Koninklijke Philips N.v.

Phase-shift reticle for characterizing a beam

Methods and apparatus for characterizing a beam parameter associated with an electromagnetic beam of a light source. The light source exposes a phase-shifted target through a set of focal distances relative to a focal plane of a substrate.
Benchmark Technologies

Signal processing circuit for measuring machine

There is provided a signal processing circuit, which improves a signal sn ratio, for a measuring machine. A sensor uses two or more reference signals processed so as to have a mutual predetermined phase difference.
Mitutoyo Corporation

Absolute position encoder including a redundant spatial phase signal

An electronic absolute position encoder is provided having a scale, a detector, and a signal processor configured to determine an absolute position of the detector along the scale. The scale includes a signal modulating scale pattern comprising a periodic pattern component and a gradual pattern variation component.
Mitutoyo Corporation

Full duplex technique

Certain aspects of the present disclosure provide an apparatus for wireless communications. The apparatus comprises an interface configured to output a first signal for transmission via at least one first antenna, to output a second signal for transmission via at least one second antenna, to receive the transmitted first signal via the at least one second antenna, and to receive the transmitted second signal via the at least one first antenna.
Qualcomm Incorporated

Complex-valued synthesis filter bank with phase shift

An apparatus for generating real-valued output audio samples is disclosed. The apparatus includes a memory that stores complex-valued input subband samples, real-valued demodulated samples, and the real-valued output audio samples.
Dolby International Ab

Apparatus for reconfigurable directional couplers in an rf transceiver with controllable capacitive coupling

Provided herein are apparatus and methods for reconfigurable directional couplers in an rf transceiver. Reconfigurable directional couplers can be reconfigured and designed to provide high directivity using configurable capacitors to effect a mutual coupling and using lumped components or delay lines to effect a phase shift.
Skyworks Solutions, Inc.

Phase shift circuit

A phase shift circuit includes a 90° hybrid circuit, variable capacitors, a switch circuit, and a balun circuit. The 90° hybrid circuit includes a high-frequency signal input terminal and a high-frequency signal output terminal.
Murata Manufacturing Co., Ltd.

A resonant dc-dc power converter assembly

The present invention relates to a resonant dc-dc power converter assembly comprising a first resonant dc-dc power converter and a second resonant dc-dc power converter having identical circuit topologies. A first inductor of the first resonant dc-dc power converter and a second inductor of the second resonant dc-dc power converter are configured for magnetically coupling the first and second resonant dc-dc power converters to each other to forcing substantially 180 degrees phase shift, or forcing substantially 0 degree phase shift, between corresponding resonant voltage waveforms of the first and second resonant dc-dc power converters.
Danmarks Tekniske Universitet

Switch assembly, switch assembly control method, controller, and base station

A switch assembly, a switch assembly control method, a controller, and a base station are disclosed, which relate to the wireless communications field. The switch assembly includes: a mechanical normally open switch (102), a movable contact (104), and a controller (106), where the controller (106) is connected to a phase shifter (108) of a remote electrical tilt unit, and the movable contact (104) is arranged to move with a driving rod (1082) of the phase shifter (108); when the movable contact (104) reaches a specified position, the mechanical normally open switch (102) is triggered to close.
Huawei Technologies Co., Ltd.

Ultra-small cavity with reflecting metasurfaces

The present invention provides a new approach for subwavelength cavity solutions. Employment of a reflecting metasurface based on plasmonic nanostructure elements changes the cavity resonance condition that currently causes restrictions on minimum length.

Positive/negative phase shift bimetallic zone plate

The invention provides a positive/negative phase shift bimetallic zone plate and production method thereof, wherein the positive/negative phase shift bimetallic zone plate comprises: a first metallic material having a positive phase shift; a second metallic material having a negative phase shift at a working energy point; wherein the first metallic material and the second metallic material are alternately arranged, so that the second metallic material replaces the blank portion in a cycle of a traditional zone plate.. .
University Of Science And Technology Of China

Absolute encoder

Provided is an absolute encoder capable of detecting the absolute angle at high resolution and with high precision. An image sensor receives light in an absolute value code pattern of a scale, an edge detecting unit detects from the received light signal an edge pixel position and an edge direction, and an edge position correcting unit corrects the edge pixel position based on the edge direction.
Mitsubishi Electric Research Laboratories, Inc.

Remote electrical tilt antenna, base station, and matching rcu with rf port

A remote electrical tilt antenna with a mismatching device built in and a method for matching a remote control unit (rcu) with a radio frequency (rf) port can accurately and efficiently determine a matching relationship between an rcu and an rf port. The remote electrical tilt antenna includes an rcu configured to receive a drive instruction, and configured to drive the gear; the gear, where the gear is connected to a phase shifter, the gear is driven by the rcu, and the gear, driven by the rcu, is configured to drive the phase shifter; and the phase shifter, where the phase shifter is configured to adjust a direction of an antenna beam, and a mismatching device is built in the phase shifter, where the mismatching device is associated with an rf channel, and the mismatching device is configured to enable the rf channel to generate impedance mismatch..
Huawei Technologies Co., Ltd.

Transmission apparatus, reception apparatus and digital radio communication method

A transmission apparatus and method include modulating a transmission signal using a first modulation scheme selected from a plurality of modulation schemes to generate a first symbol sequence. A second symbol, generated using a phase shift keying (psk) modulation scheme, is inserted in the first symbol sequence to generate a first modulation signal for transmission.
Wi-fi One, Llc

Phase shift and attenuation circuits for use with multiple-path amplifiers

Embodiments of circuits for use with an amplifier that includes multiple amplifier paths include a first circuit and a second circuit in parallel with the first circuit. The first circuit includes a first input coupled to a first power divider output, a first output coupled to a first amplifier path of the multiple amplifier paths, and a first adjustable phase shifter and a first attenuator series coupled between the first input and the first output.
Freescale Semiconductor, Inc.

Control sub-system and related controlling electric machine in fluid extraction system

A control sub-system for controlling an electric machine is presented. The control sub-system includes a phase shift control unit to receive an electric signal indicative of an angular position of a rotor.
General Electric Company

Wireless power transmitters with wide input voltage range and methods of their operation

The embodiments described herein provide a power transmitter for wireless charging of an electronic device and methods of its operation. The power transmitter uses an inverter configured to generate a square wave from a potentially wide ranging dc input voltage.
Freescale Semiconductor, Inc.

Millimeter-wave high-gain steerable reflect array-feeding array antenna in a wireless local area networks

A reflect array-feeding array (ra-fa) antenna is disclosed. The ra-fa antenna comprising: a reflect array base comprising a plurality of reflecting elements with a phase shift distribution to reflect an incident beam to generate a reflected beam having a narrower beamwidth in an elevation plane and a same beamwidth in an azimuth plane, and a feeding array comprising a phased antenna array with a beam-steering ability to direct the incident beam at the reflecting elements.

Waveguide

A function varying a wavelength in a waveguide including a ridge-shaped conductor and columnar conductors in a parallel flat structure is added to reduce a size of a phase shifter in which input and output ports are fixed. Thus, a phased array antenna including a plurality of phase shifters is reduced in size.
Nidec Elesys Corporation

Capacitive sensing apparatus and methods

One or more waveform generators impose an input waveform across touch sensor components. phase shift detection logic measures a phase shift between the input waveform and an output waveform component associated with each waveform generator appearing across a touch sensor component.
Texas Instruments Deutschland Gmbh

Mask blank, manufacturing phase shift mask, phase shift mask, and manufacturing semiconductor device

A mask blank having a structure in which, on a transparent substrate, a phase shift film, a light shielding film, and a hard mask film are laminated in the stated order from the transparent substrate side. The phase shift film is formed of a material containing silicon, the hard mask film is formed of a material containing at least one element selected from silicon and tantalum, and the light shielding film is formed of a material containing chromium.
Hoya Corporation

Opto-electronic modulator utilizing one or more heating elements

Described herein are methods, systems, and apparatuses to utilize an electro-optic modulator including one or more heating elements. The modulator can utilize one or more heating elements to control an absorption or phase shift of the modulated optical signal.

Optical scanning observation apparatus and optical scanning observation method

An optical scanning endoscope apparatus includes an optical fiber for illumination, a driver that drives the tip of the optical fiber for illumination in a lissajous scan pattern, illumination lenses that irradiate an object of observation with irradiation light emitted from the tip of the fiber, a photodetector that detects light obtained from the object of observation by irradiation with the irradiation light and converts the light to an electrical signal, an image processor that generates an image based on the electrical signal output by the photodetector, and a phase adjustor that adjusts the phase of the drive waveform of the driver so as to correct a phase shift between the drive waveform of the tip of the fiber by the driver and the vibration waveform of the tip of the fiber.. .
Olympus Corporation

Apparatus and transitting channel quality indicator and acknowledgement signals in sc-fdma communication systems

A method and apparatus are provided for transmitting one or more positive or negative acknowledgement (ack/nack) bits in response to data reception in a single-carrier frequency division multiple access (sc-fdma) communication system. The method includes, if the one or more ack/nack bits are one bit, applying a first code to a first symbol, if the acknowledgement bit is nack, and applying a second code to the first symbol, if the acknowledgement bit is ack; if the one or more ack/nack bits are two bits, applying quadrature phase shift keying (qpsk) modulation to the first symbol based on a value of the two ack/nack bits; if no ack/nack bit exists, applying the first code to the first symbol; and transmitting the first symbol and a second symbol in a slot..
Samsung Electronics Co., Ltd.

Interference phase estimate system and method

A method for operating a transceiver includes generating, by the transceiver, a first signal that includes an estimate of an interference signal leaked from a transmit path to a receive path of the transceiver. Generating the first signal includes obtaining a baseband transmit signal that includes a baseband of a transmit signal transmitted via the transmit path.
Futurewei Technologies, Inc.

Temperature compensation an array antenna system

A system and method compensates for temperature in a signal path of an antenna array. The signal path includes an antenna element, a first phase shifter or a time delay unit, and a first variable gain power amplifier.
Rockwell Collins, Inc.

Method for tuning feed-forward canceller

A method for maintaining good cancelation in a passive feed-forward cancelation circuit is disclosed. The feed-forward cancelation circuit may include at least one path which may comprise a phase-shifter and a variable attenuator.
Abtum Inc.

Dielectric phase shifter

A dielectric phase shifter comprises a cavity having an elongated receiving space, a phase shifting circuit disposed inside the receiving space, and a dielectric element slidably mounted in the receiving space and parallel with the phase shifting circuit. A rail is disposed on an inner wall of the cavity for preventing contact between the movable dielectric element and the phase shifting circuit.
Comba Telecom Technology (guangzhou) Ltd.

Complex exponential modulated filter bank for high frequency reconstruction

An apparatus and method are disclosed for filtering and performing high frequency reconstruction of an audio signal. The apparatus includes an analysis filter bank, a high frequency reconstructor, and a synthesis filter bank.
Dolby International Ab

Method and audio processing

A method and apparatus for introducing a time-varying time delay or phase shift randomly into the individual reproduction channels of a sound recording, two in the case of binaural presentation. This emulates the temporal aspect of microphone and/or listener motion.

Method for characterizing material by analysis of speckles

Computation of the value of at least one criterion representative of a phase shift distribution of the light beams diffused by the surface.. .

Mask blank, manufacturing phase shift mask, phase shift mask, and manufacturing semiconductor device

A mask blank having a structure in which, on a transparent substrate, a light shielding film and a hard mask film are laminated in the stated order from the transparent substrate side. The hard mask film is formed of a material containing at least one element selected from silicon and tantalum, and the light shielding film is formed of a material containing chromium.
Hoya Corporation



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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