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Phase Shift patents



      

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




Date/App# patent app List of recent Phase Shift-related patents
04/07/16
20160099710 
 Method for performing phase shift control in an electronic device, and associated apparatus patent thumbnailMethod for performing phase shift control in an electronic device, and associated apparatus
A method for performing phase shift control in an electronic device and an associated apparatus are provided, where the method includes: obtaining a set of clock signals corresponding to a set of phases; and controlling a phase shift of an output signal of an oscillator by selectively mixing the set of clock signals into the oscillator according to a set of digital control signals, wherein the phase shift corresponds to the set of digital control signals, and the set of digital control signals carries a set of digital weightings for selectively mixing the set of clock signals. More particularly, the method may include: selectively mixing the set of clock signals into a specific stage of a plurality of stages of the oscillator according to the set of digital control signals..
Mediatek Inc.


04/07/16
20160098626 
 Optical barcodes having spatially phase shifted clock and reference tracks patent thumbnailOptical barcodes having spatially phase shifted clock and reference tracks
Barcodes are provided that are applied to or integrated with a moving carrier, where the barcodes have a plurality of information modules, at least one clock track having a plurality of alternating clock track modules and at least one reference track having a plurality of alternating reference track modules, where the at least one reference track is a second clock track and has a same periodicity as the clock track but a spatial phase shift when compared to the clock track. The barcode is configured to allow at least one barcode reader to determine a direction of movement of the carrier from at least one signal from a clock track detector and at least one signal from a reference detector..
Roche Diabetes Care, Inc.


04/07/16
20160097972 
 Phase shift mask and  manufacturing display apparatus using the same patent thumbnailPhase shift mask and manufacturing display apparatus using the same
Provided is a method of manufacturing a display apparatus, the method including forming an amorphous silicon layer on a substrate; changing amorphous silicon in the amorphous silicon layer into crystalline silicon by irradiating the amorphous silicon with a laser beam emitted through a phase shift mask; and forming a display device, the phase shift mask including a base substrate; a barrier layer on the base substrate and including a plurality of transmissive portions which are spaced apart from each other in a first direction; and phase shift portions which alternately fill the plurality of transmissive portions in the first direction.. .
Samsung Display Co., Ltd.


04/07/16
20160097844 
 Distance measuring system and imaging sensor patent thumbnailDistance measuring system and imaging sensor
A tof (time of flight) type distance measuring system of high accuracy is provided. The distance measuring system includes: a light source unit for emitting light at a timing indicated by an emission signal; a light receiving unit for acquiring raw data for each pixel from an imaging sensor, by exposing the imaging sensor to the light reflected from an object at a timing indicated by an exposure signal; a tof calculation unit for supplying a tof signal indicating the distance from each pixel to the object that is calculated based on the raw data; a detection unit for detecting the difference between a standard value and the tof signal for a standard pixel on the imaging sensor, and generating a phase control signal and a fine adjustment signal in accordance with the difference; a correction unit for correcting the tof signal on the basis of the fine adjustment signal, and outputting the correction result as distance information for each pixel; and a control unit for controlling the phase shift of at least one of the emission signal and the exposure signal on the basis of the phase control signal..
Panasonic Intellectual Property Management Co., Ltd.


04/07/16
20160096312 
 Production  phase shift film, and production  circular polarizing plate patent thumbnailProduction phase shift film, and production circular polarizing plate
Provided is a method capable of producing a retardation film suppressed in biaxiality, having a small nz coefficient, and having a slow axis in an oblique direction with high production efficiency. The production method for a retardation film of the present invention includes: holding left and right side edge portions of a film to be stretched with left and right variable pitch-type clips configured to have clip pitches changing in a longitudinal direction, respectively; preheating the film; reducing, under a state in which a position at which the clip pitch of the clips on one side out of the left and right clips starts to reduce and a position at which the clip pitch of the clips on another side starts to reduce are set to different positions in the longitudinal direction, the clip pitch of each of the clips to a predetermined pitch to subject the film to oblique stretching; and releasing the clips holding the film..
Nitto Denko Corporation


04/07/16
20160095562 
 Material decomposition technique using x-ray phase contrast imaging system patent thumbnailMaterial decomposition technique using x-ray phase contrast imaging system
A phase contrast x-ray imaging system generates an absorption image and a phase shift image of an object under study. The absorption image represents a measurement of the imaged object's attenuation of radiographic energy, and the phase shift image represents a measurement of the imaged object's phase shifting of the radiographic waves passing through the object.
Carestream Health, Inc.


03/31/16
20160094929 
 Audio decoder configured to convert audio input channels for headphone listening patent thumbnailAudio decoder configured to convert audio input channels for headphone listening
The proposed technology provides an audio decoder (100) configured to receive input signals representative of at least two audio input channels. The audio decoder is configured to provide direct signal paths and cross-feed signal paths (10) for the input signals.
Dirac Research Ab


03/31/16
20160094187 
 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.
Freescale Semiconductor, Inc.


03/24/16
20160087783 
 Phase detecting circuit for interchain local oscillator (lo) divider phase alignment patent thumbnailPhase detecting circuit for interchain local oscillator (lo) divider phase alignment
Certain aspects of the present invention provide methods and apparatus for detecting phase shift between signals, such as local oscillating signals in adjacent transceiver paths. One example circuit for phase detection generally includes a mixer configured to mix a first input signal having a first frequency with a second input signal having a second frequency to produce an output signal having frequency components at the sum of and the difference between the first and second frequencies; a filter connected with the mixer and configured to remove one of the frequency components at the sum of the first and second frequencies, thereby leaving a dc component; and an analog-to-digital converter (adc) (e.g., a comparator) connected with the filter and configured to determine whether the first input signal is in-phase or out-of-phase with the second input signal based on a comparison between the dc component and a reference signal..
Qualcomm Incorporated


03/24/16
20160087545 
 Dc-dc converter patent thumbnailDc-dc converter
A first switching circuit is connected between a transformer first winding and a dc power supply. A second switching circuit is connected between the transformer second winding and a battery.
Mitsubishi Electric Corporation


03/24/16
20160087527 

Method for controlling a multiphase interleaving converter and corresponding controller


A method is provided for controlling a converter of the multiphase interleaving type. According to the method, there is detected when a change of the load applied to an output terminal of the converter occurs.
Stmicroelectronics S.r.l.


03/24/16
20160087339 

Wireless communication terminal


In one implementation, an antenna array has a plurality of antenna element, each of which is configured to apply a phase shift to a signal. A beam steering controller is configured to steer a main beam of the antenna by controlling the phase shifts applied by the antenna elements.
Iridium Satellite Llc


03/24/16
20160085256 

Body biasing for rf switch optimization


Switches comprising a number of transistors in series achieve improved performance through biasing the bodies of the transistors to lower the stack resistance in the on mode and optionally to also lower the stack capacitance in the off mode. These switches find use in rf applications such as phase shifters, step attenuators, and in antenna switches, for example.
Acco


03/24/16
20160085133 

Differential twe mzm driver for silicon photonics


A differential twe mzm includes a differential driver, first and second capacitors, and first and second terminations. The differential driver includes a first differential output and a second differential output that collectively form a differential pair.
Finisar Corporation


03/17/16
20160080178 

Phase detecting device and clock data recovery circuit embedded with decision feedback equalizer


A phase detecting device and a clock data recovery circuit are provided. The phase detecting device includes a decision feedback equalizer having first and second sample-hold sub-circuits, an edge detector having a third sample-hold sub-circuit, a first xor gate, and a second xor gate.
National Chiao Tung University


03/17/16
20160080175 

Multiple-input multiple-output orthogonal frequency division multiplexing communication signal compensation


Embodiments of the present invention provide a method for signal compensation, including: receiving, by a receiver via n receiving antennas, a plurality of channel estimation preamble signals sent by m transmitting antennas of a remote transmitter; determining, by the receiver, channel estimation parameters according to the first pilot signals of the m transmitting antennas contained in the plurality of channel estimation preamble signals; receiving, by the receiver, data signals and second pilot signals sent on a first data symbol by the m transmitting antennas; determining, by the receiver, channel phase shift parameters according to signals arrived at the n receiving antennas which come from the second pilot signals; and determining, by the receiver according to the channel estimation parameters and the channel phase shift parameters, signal compensation for the data signals arrived at the n receiving antennas. Accuracy of demodulation for transmitted data to a certain extent is improved..
Huawei Technologies, Co., Ltd.


03/17/16
20160080091 

High data rate optical transport network using 8-psk


Methods, systems, and devices are described for modulating data for optical transmissions and demodulating data from optical transmissions. During modulation, bits are mapped to symbols using an 8-ary modulation scheme.
Viasat, Inc.


03/17/16
20160079862 

Llc resonant converter apparatus and method


An output voltage of an llc resonant converter circuit is received. The received output voltage is analyzed to determine whether the received output voltage is within an acceptable operational range.
Continental Automotive Systems, Inc.


03/17/16
20160079678 

Antenna with resonant cavity


The invention relates to an antenna comprising a resonant cavity deliminated by a partially reflecting surface comprising an array of resonant cells, each resonant cell forming a micro-antenna, a totally reflecting surface facing said partially reflecting surface, a radiating source disposed in said resonant cavity and configured so as to radiate a wave between the partially reflecting surface and the totally reflecting surface, said wave illuminating resonant cells of the partially reflecting surface, the partially reflecting surface being curved and resonant cells being individually configured to introduced upon the passage of the incident wave radiated by the source a phase shift dependent on the curvature of the partially reflecting surface at the level of the corresponding resonant cell.. .
UniversitÉ Paris Ouest Nanterre La DÉfense


03/17/16
20160078855 

Noise cancellation


A noise cancellation signal is generated by generating an ambient noise signal, representing ambient noise, and generating a noise cancellation signal, by applying the ambient noise signal to an feedforward filter, where the feedforward filter comprises a high-pass filter having an adjustable cut-off frequency, and by applying a controllable gain. The noise cancellation signal is then applied to a loudspeaker, to generate a sound to at least partially cancel the ambient noise.
Cirrus Logic International Semiconductor Ltd.


03/17/16
20160077403 

Opto-electric frequency comb generator


An optical comb generator, having a light input port configured to receive a continuous wave light from a laser source and a plurality of phase modulators coupled to the light input port. At least one intensity modulator is coupled to the plurality of the phase modulators, along with a plurality of phase shifters.
Purdue Research Foundation


03/17/16
20160077261 

Simultaneous polarization and wavefront control using a planar device


Methods and device for controlling optical scattering are disclosed. An array of 4-fold asymmetric cylinders can act as optical elements scattering electromagnetic waves, where the orientation and dimension of each optical element is determined according to the desired polarization and phase shift response of the device.
California Institute Of Technology


03/17/16
20160077140 

Low power on-chip impedance detector


An impedance detector for measuring an impedance of a circuit comprises a frequency source, a resistor connected in between the frequency source and the circuit to be measured, a phase shift circuit for applying a phase shift to a signal from the frequency source, a first multiplier for mixing the signal from the frequency source with a signal from the circuit to be measured, a second multiplier for mixing the phase shifted signal with the signal from the circuit to be measured, and a processing circuit for determining an indication of an impedance of the circuit to be measured in dependence on the first mixed signal and the second mixed signal.. .
Dialog Semiconductor B.v.


03/17/16
20160076914 

Absolute position measuring system and method


In a method for determining the absolute position (φ) of a carrier (4) for scale marks (6) of an incremental encoder (2) with respect to a sensor array (12), having segment lengths (l0, l1, l2, . .
Baumuller Nurnberg Gmbh


03/10/16
20160072644 

Multiple-input multiple-output orthogonal frequency division multiplexing communication signal compensation


Embodiments of the present invention provide a method for signal compensation. The method includes: receiving, by a receiver via n receiving antennas, a plurality of channel estimation preamble signals sent by m transmitting antennas of a remote transmitter, wherein the plurality of channel estimation preamble signals contain measurement signals of the m transmitting antennas; determining, by the receiver, channel estimation parameters and channel phase shift parameters according to the measurement signals of the m transmitting antennas of the remote transmitter; and determining, by the receiver, signal compensation according to the channel estimation parameters and the channel phase shift parameters.
Huawei Technologies Co., Ltd.


03/10/16
20160072570 

Wireless communication device and wireless communication method


A wireless communication device including: a plurality of phase shifters, each of the plurality of phase shifters adjusting each amplitude and each phase of each analog signal by each element of a transmission weight vector, each analog signal being generated by multiplexing a plurality of signals that are addressed to a plurality of terminals respectively, a plurality of antennas, each of the plurality of antennas transmitting each analog signal whose phase has been shifted by each of the plurality of phase shifter, and a processor configured to: obtain a plurality of steering vectors that correspond to the plurality of terminals respectively, and generate the transmission weight vector by combining the plurality of steering vectors.. .
Fujitsu Limited


03/10/16
20160072421 

Multi-phase motor control apparatus and electric power steering apparatus using the same


A multi-phase motor control apparatus that reduces the occurrence of the vibrations and the noises by setting the shift amount per time more finely after realizing a reduction in processing ability of a cpu by using a one-shunt type current detection circuit and an electric power steering apparatus using the same. The apparatus includes a pwm-signal generating section that generates plural second each-phase pwm-signals within two control periods based on the current estimation value and the carrier signal, and in a case that a phase shift amount of a predetermined phase in a just before control period is zero and a phase shift amount of a predetermined phase in a present control period is not zero, the phase shift control section gradually increases the phase shift amount from zero in the present control period and a next control period, and uses the second each-phase pwm-signals in the next control period..
Nsk Ltd.


03/10/16
20160072186 

Hierarchical phase shift array antenna weight look ahead, elaboration, and beam-splitting methods


An array antenna system consists of layered construct of subarrays. Each beam pointing angle requires an antenna weight vector (awv).

03/10/16
20160069940 

Power detector and associated eliminating the difference of i-v phase difference between transmission path and detection path


A power detector for detecting an output power of a power amplifier is provided. The power amplifier is used to transmit signal power to the antenna.
Mediatek Inc.


03/10/16
20160068087 

Seat suspension


A seat support suspension improving an absorption characteristic of low-cycle vibrations resulting from rolling. A seat support member supporting a seat is provided via a rolling absorption mechanism for absorbing rolling on brackets as a vehicle body side attachment member attached to the vehicle body side.
Delta Tooling Co., Ltd.


03/03/16
20160065313 

Recovering data from quadrature phase shift keying modulated optical signals


Systems, devices and techniques for processing received qpsk modulated optical signals include sampling the received signal at twice the baud rate, thereby producing samples that are then processed as 9-qam symbols using a decision directed least squares optimization method. A third stage of channel equalization is filtering performs channel equalization to mitigate linear filtering effects along the transmission link.
Zte Corporation


03/03/16
20160065293 

Distributed antenna system for mimo signals


A distributed antenna system includes a multiple-input and multiple-output (mimo) base station configured to output at least a first signal and a second signal. At least one master unit communicates with the mimo base station.
Andrew Wireless Systems Gmbh


03/03/16
20160065195 

Multiphase oscillating signal generation and accurate fast frequency estimation


Certain aspects of the present disclosure provide methods and apparatus for generating multiple oscillating signals having different phases. One example multiphase generating circuit generally includes a first phase shifting circuit configured to phase shift an input signal having an input frequency, such that an output signal of the first phase shifting circuit has a first phase difference with respect to the input signal; a first frequency dividing circuit configured to receive the input signal and output a first set of signals having a first frequency less than the input frequency of the input signal; and a second frequency dividing circuit configured to receive the output signal of the first phase shifting circuit and output a second set of signals having a second frequency less than the input frequency of the input signal.
Qualcomm Incorporated


03/03/16
20160064817 

Phase shift system


The present invention discloses a phase shift system that is used for changing phases of signals transmitted to at least two radiation elements, comprising at least two phase shifters providing signals to the radiation elements, the phase shifter having a phase shift part used for moving so as to change phases of signals passing through the phase shifter. The system further comprises a phase shift drive device that is connected to the phase shift part of each phase shifter for synchronous linkage of all the phase shift parts, such that the phase shift parts move at different velocities to form a differential continuous phase distribution among the signals of the radiation elements.
Comba Telecom Technology (guangzhou) Ltd.


03/03/16
20160062156 

Ultra-responsive phase shifters for depletion mode silicon modulators


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.
Coriant Advanced Technology, Llc


03/03/16
20160062038 

Planar optical waveguide element, dual polarization quadrature phase shift keying modulator, coherent receiver, and polarization diversity


A planar optical waveguide element includes: a substrate; and an optical waveguide comprising a core and a cladding, the core being provided on the substrate so as to include first and second core regions arranged in parallel, the cladding having a smaller refractive index than the core. Also, the core forms a preceding-stage mode conversion portion that converts a mode of input light and a subsequent-stage mode conversion portion that converts a mode of light output from the preceding-stage mode conversion portion, and the first and second core regions are spaced apart from each other at an input end of the subsequent-stage mode conversion portion, and a gap between the first and second core regions is continuously decreased along the light waveguide direction such that the first and second core regions are in contact with each other at an output end of the subsequent-stage mode conversion portion..
Fujikura Ltd.


03/03/16
20160058958 

Systems and methods for driving sealed nebulizers


Various methods, devices, and systems are described for aerosolizing a liquid. Embodiments may include sealing the liquid within a reservoir.
Nektar Therapeutics


02/25/16
20160056982 

Phase control method, array antenna, and system


A phase control method in the present disclosure includes dividing, by a power divider, the high frequency current into at least two current branches, and separately feeding the at least two current branches into corresponding radio frequency input ports on a digital phase shifter, determining, by the switch controller according to the digital control flow, radio frequency paths that are in the digital phase shifter and for the at least two current branches fed into the digital phase shifter, and controlling the drive voltage to act on the digital phase shifter, and separately establishing, by the digital phase shifter according to the drive voltage and for the at least two current branches, radio frequency paths for currents to flow through, and controlling duration of phase delays for the at least two current branches by controlling lengths of the radio frequency paths through which the at least two current branches flow.. .
Huawei Technologies Co., Ltd.


02/25/16
20160056980 

Method for performing data sampling control in an electronic device, and associated apparatus


A method for performing data sampling control in an electronic device and an associated apparatus are provided, where the method includes the steps of: detecting whether a data pattern of a received signal of a decision feedback equalizer (dfe) receiver in the electronic device matches a predetermined data pattern, to selectively trigger a data sampling time shift configuration of the dfe receiver; and when the data sampling time shift configuration is triggered, utilizing a phase shift clock, rather than a normal clock corresponding to a normal configuration of the dfe receiver, as an edge sampler clock of an edge sampler in the dfe receiver, to lock onto edge timing of the received signal, and controlling the phase shift clock and the normal clock to have different phases, respectively, to shift data sampling time of the dfe receiver, for performing data sampling in the dfe receiver.. .
Mediatek Inc.


02/25/16
20160056945 

Circuit arrangement


A circuit arrangement includes an antenna port, a first receiving port, a second receiving port, a first transmission port, and a second transmission port. A number of 90 degree hybrids are configured to transfer an input signal into two output signals that are phase shifted relative to each other.
Epcos Ag


02/25/16
20160056846 

Analog compensation circuit and method


Disclosed herein are an analog compensation circuit and a method for tuning an analog compensator in full-duplex transmission systems. An embodiment analog compensation circuit includes a secondary receiver configured to receive and convert a sampled self-interference signal to a baseband self-interference signal.
Futurewei Technologies, Inc.


02/25/16
20160056768 

Amplifier


An amplifier includes: a first transistor that includes a first main electrode, a second main electrode, and a first control electrode, a first input signal being input to the first main electrode, a first output signal being output from the second main electrode; a reference potential line that is disposed on a signal line connected to the second main electrode with an insulator interposed therebetween; a first capacitor that is disposed between the first control electrode and the reference potential line; and a first phase shifter configured to shift a phase of a first return current such that the phase of the first return current which flows from the second main electrode to the first control electrode via the reference potential line and the first capacitor has a phase difference, which is greater than 90 degrees and less than 270 degrees, from the phase of the first input signal.. .
Fujitsu Limited


02/18/16
20160050569 

Method for testing implicit beamforming performance of a multiple-input multiple-output radio frequency data packet signal transceiver


Method for testing implicit beamforming performance of a multiple-input multiple-output (mimo) radio frequency (rf) data packet signal transceiver device under test (dut). The data packet signals forming the sequential data packet signal transmissions used for beamforming are produced with a selectively varied phase difference and conveyed via internal rf signal paths to external transmit terminals.
Litepoint Corporation


02/18/16
20160050093 

Method for transmitting signal field and apparatus therefor


Disclosed is a method for transmitting a signal field in a wireless lan along with an apparatus therefore. The method for transmitting a signal field in a wireless lan includes the steps of: generating a signal field by a first sta (station); and transmitting the signal field to a second sta by the first sta in a first ofdm (orthogonal frequency division multiplexing) symbol, a second ofdm symbol and a third ofdm symbol, wherein at least one of a second binary phase shift keying used in the second ofdm symbol and a third binary phase shift keying used in the third ofdm symbol can be rotated in reference to the first binary phase shift keying used in the first ofdm symbol..
Lg Electronics Inc.


02/18/16
20160049987 

Receiver-transmitter


Said technical result is obtained thanks to the fact that in a receiver-transmitter containing active two-face phased arrays comprising transmit-receive modules each one of them including two radiating elements, a transmitter, two receivers, two isolator switches, mixers and a phase shifter, the two-face phased arrays are made unidimensional or two-dimensional, they are arranged in the horizontal plane at an angle of 75-105° to each other while keeping the capability of all-around looking, the transmit-receive module is provided with an additional phase shifter, each one of both phase shifters being permanently connected, via a selector switch, to one of the receivers or to the transmitter, and the transmitter is connected, via a switch and circulators, to the radiating elements with the possibility to be alternately connected to the radiating elements with the use of different frequencies and/or with the use of a different signal coding, corresponding to different frequencies and coding of the receivers receiving mode with the possibility to form at least two independent beams in opposite directions, the active two-side phased arrays being shifted in relation to each other in the horizontal and/or vertical plane.. .

02/18/16
20160049858 

Lc resonant converter using phase shift switching method


A lc resonant converter using a phase shift switching method includes: a switching unit configured to receive a switching signal according to a phase shift control and to perform zero voltage switching (zvs) in a leading leg circuit and a lagging leg circuit when a light load is present; a transformer configured to output an output voltage of the switching unit as a predetermined level of voltage; a resonance circuit unit configured to convert frequency characteristics of an alternating voltage transferred from the transformer; and a bridge rectifying circuit unit configured to rectify the alternating voltage whose frequency characteristics are converted into a direct voltage.. .
Myongji University Industry And Academia Cooperation Foundation


02/18/16
20160049727 

Systems and methods for high power microwave combining and switching


Systems and methods for high power microwave combining and switching are provided. In at least one implementation a system includes a plurality of inputs, wherein there are m inputs in the plurality of inputs and a plurality of phase shifters, wherein there are n phase shifters in the plurality of phase shifters and n is a multiple of two times m, wherein a signal received through the plurality of inputs is divided and coupled to n/m phase shifters.
Honeywell International Inc.


02/18/16
20160049709 

Phase shifter, antenna and radio apparatus


A phase shifter, which reduces the loss of transmission/reception signals, includes: a linear conductor (211); a conductor (212) curved to form an arc of a radius ro; and a conductor (214) that has a curving portion (214a) curved to form an arc of a radius ri, and that also has an extending portion (214b) linearly extending from one end of the curving portion (214a). The phase (phase shift amount) varies depending on the rotation of the conductor (214) about a rotation axis (220) which causes the position of a part (α) where the curving portion (214a) overlaps the conductor (211) to move along the curving portion (214a) and the position of a part (β) where the extending portion (214b) overlaps the conductor (212) to move along the conductor (212)..
Nihon Dengyo Kosaku Co., Ltd.


02/18/16
20160048969 

Image acquisition system, image acquisition method, and inspection system


The invention relates to an image acquisition system and an image acquisition method, as well as to an inspection system having at least one such image acquisition system. A projector projects a pattern on a surface of a sample, a camera records light intensity information from within at least two detection fields defined by the camera on the surface of the sample.
Kla-tencor Corporation


02/18/16
20160047951 

Electromagnetic radiation-scattering element and manufacturing same


The invention relates to an electromagnetic optical element which scatters radiation in a diffuse manner. Such optical elements can be used in nearly all projection applications including front and rear projection, display applications, (cinema) screens and similar.
Fraunhofer-gesellschaft Zur Förderung Der Angewandten Forschung


02/18/16
20160047930 

Method for acquiring and processing marine seismic data to extract and constructively use the up-going and down-going wave-fields emitted by the source


A method for marine seismic surveying includes separating up-going and down-going wavefields from seismic energy emitted by at least one marine seismic energy source. The separated up-going and down-going wavefields are propagated from the at least one marine seismic energy source to at least one of a water surface and a common reference depth.
Pgs Geophysical As


02/18/16
20160046866 

Devices for high-frequency technology, liquid-crystalline media and compounds


The present invention relates to a device for high-frequency technology, or for the microwave region and millimetre wave region of the electromagnetic spectrum, characterised in that it contains a liquid-crystal medium which consists of one or more compounds, which one or more compounds, which contain 6 to 15 five-, six- or seven-membered rings, preferably 1,4-linked phenylene rings, or in that it contains a liquid-crystal medium which itself comprises a component a, which itself consists of one or more of the said compounds, which one or more compounds, which contain 6 to 15 five-, six- or seven-membered rings, preferably 1,4-linked phenylene rings. The present invention additionally relates to compounds of the formula (i), in which the parameters have the meanings given in the text, and to the corresponding, novel liquid-crystal media, to the use and preparation thereof, and to the production and use of the devices.
Merck Patent Gesellschaft Mit Beschrankter Haftung


02/11/16
20160043767 

Transmitter receiver leakage reduction in a full duplex system without the use of a duplexer


A transceiver suitable for frequency duplex division communication is disclosed. The transceiver comprises a transmitter, wherein the transmitter comprises a power amplifier; a receiver; an auxiliary power amplifier which is arranged to provide a controllable phase shift and gain output; a first filter arranged at an output of the power amplifier arranged to attenuate frequencies at a receiving frequency of the receiver; a second filter arrangement at an output of the auxiliary power amplifier arranged to attenuate frequencies at a receiving frequency of the receiver; and a signal transmission arrangement.
Telefonaktiebolaget L M Ericsson (publ)


02/11/16
20160043703 

Circuit for detecting phase shift applied to an rf signal


An rf circuit and method for detecting the amount of phase shift applied to an rf signal. An rf heating apparatus including the rf circuit.
Nxp B.v.


02/11/16
20160041256 

Systems and methods for using coherent noise filtering


Systems and methods are provided for the filtering of coherent noise signals. In an illustrative embodiment, a pulsed electronic signal receives varying phase shifts for each of its pulses prior to transmission.
The United States Of America As Represented By The Secretary Of The Navy


02/11/16
20160041194 

Acceleration sensor structure and use thereof


A mems-sensor structure comprising first means and second means coupled for double differential detection and positioned symmetrically to provide quantities for the double differential detection in a phase shift. If the sensor deforms, due to a specifically symmetric positioning of the first and second means, the effect of the displacement is at least partly eliminated..
Murata Electronics Oy


02/11/16
20160040066 

Liquid-crystalline medium and high-frequency components comprising same


In which the parameters r1-r3, z21, z31, z32 and rings a11, a12, a13, a21, a22, a31, and a32 are as defined herein, and to components comprising these media for high-frequency technology, in particular phase shifters and microwave array antennas.. .

02/04/16
20160037258 

Phase independent surround speaker


A speaker is disclosed that can be positioned as either a right or left front surround or a right or left rear surround in any surround sound system. The speaker includes a housing including a first driver, a second driver, a third driver, and a fourth driver.
Klipsch Group, Inc.


02/04/16
20160036532 

Optical modulator, optical transmitter, optical transmission/reception system, and control optical modulator


To correct and uniform phase shift at each phase modulation area in an optical modulator in operation. An optical modulation unit outputs a four-level modulated optical signal.
Nec Corporation


02/04/16
20160036486 

Phase rotator for compensating transceiver impairments


A phase rotator corrects the iq imbalance in a wireless transceiver. The phase rotator is a part of a compensation system that detects and separates reception impairment images from transmission impairment images.
Texas Instruments Incorporated


02/04/16
20160036359 

Inverter apparatus


An inverter apparatus includes an inverter circuit, a capacitor, and a control unit. In the first control mode, the control unit shifts a phase of at least one of pwm signals of three phases such that a time period during which polarities of output voltages of three phases are the same is shorter in the first control mode than the time period in the second control mode; and controls the inverter circuit so as to supply a direct current to the three-phase ac motor as a d-axis current by outputting the pwm signals of three phases, each having a phase after the phase shift processing.
Kabushiki Kaisha Toyota Jidoshokki


02/04/16
20160036125 

Self-steering antenna arrays


Methods and apparatus, including computer program products are provided for self-steering antennas. In one aspect, there is a method.
The Regents Of The University Of California


02/04/16
20160035329 

Efficient combined harmonic transposition


The present document relates to audio coding systems which make use of a harmonic transposition method for high frequency reconstruction (hfr), and to digital effect processors, e.g. So-called exciters, where generation of harmonic distortion adds brightness to the processed signal.
Dolby International Ab


02/04/16
20160033858 

Halftone phase shift photomask blank and making method


A halftone phase shift photomask blank comprising a transparent substrate and a halftone phase shift film consisting of silicon, nitrogen and optional oxygen, and providing a phase shift of 150°-200° relative to light of wavelength up to 200 nm. The phase shift film includes at least one layer meeting the formula: 2×o/si+3×n/si≧3.5 wherein si is a silicon content (at %), n is a nitrogen content (at %), and o is an oxygen content (at %).
Shin-etsu Chemical Co., Ltd.


02/04/16
20160033857 

Mask for photolithography, manufacturing the same and manufacturing substrate using the same


A mask for photolithography includes: a transparent substrate; a phase shift pattern on the transparent substrate and configured to change a phase of light; a dielectric layer on the transparent substrate; and a negative refractive-index meta material layer on the dielectric layer.. .
Industry-academic Cooperation Foundation, Yonsei University


02/04/16
20160033625 

Phase calibration circuit and multi-channel radar receiver


This invention describes circuits and methods which can allow multiple radar receiver chips to be adjusted to have very low phase offset between them. Multiple receiver chips are used in frequency-modulated carrier-wave (fmcw) radar systems for beamforming to enable angle-of-arrival measurements.
Asahi Kasei Microdevices Corporation


02/04/16
20160033605 

Method and acquiring magnetic resonance data


In a method and apparatus for acquiring magnetic resonance (mr) data from a subject, excitation pulses and at least two refocusing pulses are applied to the subject in an mr scanner, and the mr scanner is operated to activate gradients in a readout direction that cause at least two gradient echoes to be formed between the at least two successive refocusing pulses, with a temporal distance between the at least two gradient echoes that produces a predetermined phase shift between a signal acquired from a first nuclei in the subject and a signal acquired from a second nuclei in the subject at times of the respective gradient echoes, and that include readout gradients associated respectively with a first and a last gradient echo, among said at least two gradient echoes, the readout gradients being asymmetrical.. .
Siemens Aktiengesellschaft


02/04/16
20160033309 

Double quadrature with adaptive phase shift for improved phase reference performance


A method for correcting a timing error in a test and measurement instrument. The method includes receiving a clock signal at each of four samplers.
Tektronix, Inc.


02/04/16
20160032714 

Telemetry system and operating the same


Methods and related apparatus pertaining to downhole and surface telemetry, such as a method in which a telemetry system is provided with a communication path formed with an electrically conductive transport medium coupled across a plurality of downhole nodes. Such method includes operating on the communication path with a multi-drop system that provides telemetry to the downhole nodes in a wellbore, including employing modulation in a master-slave arrangement using binary differential phase shift keying or differential quadrature phase shift keying..
Schlumberger Technology Corporation


01/28/16
20160028570 

Mpsk demodulation apparatus and method


An m-ary phase shift keying (mpsk) demodulation apparatus and method are disclosed herein. The mpsk demodulation apparatus includes an amplifier, a carrier frequency recoverer, a plurality of correlators, and a symbol detector.
Electronics And Telecommunications Research Institute


01/28/16
20160028537 

Phase detector and retimer for clock and data recovery circuits


A phase detector and retimer circuit that includes a retimer circuit, a phase shift circuit coupled to the retimer circuit, and an error signal generation circuit coupled to the retimer circuit and the phase shift circuit. The retimer circuit is configured to receive a data signal and generate a first retimed data signal based on a first phase of a clock signal and a second retimed data signal based on a second phase of the clock signal.
Texas Instruments Incorporated


01/28/16
20160028420 

Apparatus and methods for reconfigurable directional couplers in an rf transceiver with selectable phase shifters


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.


01/28/16
20160028147 

Apparatus and methods 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.


01/28/16
20160023866 

Container yard and feeding method


One three-phase transformer (71a) out of two paired three-phase transformers among three-phase transformers provided for respective feeder lines outputs, as operating power, first three-phase ac power of the same voltage phase as that of power-supply power. The other three-phase transformer (71b) out of the two paired three-phase transformers outputs, as the operating power, second three-phase ac power of a voltage phase shifted by π/6 from that of the power-supply power.
Mitsui Engineering & Shipbuilding Co., Ltd.


01/28/16
20160023531 

Method of operating an active suspension


In a method of operating an active suspension of a motor vehicle, power is added to at least one active control element of the active suspension, arranged between a wheel and a body, for damping a movement of the motor vehicle in a vertical direction when negotiating a terrain to thereby influence at least one control variable of the suspension, which control variable is oriented in the vertical direction. A first signal of a velocity of the body in the vertical direction and a second signal of the at least one control variable are determined.
Audi Ag


01/28/16
20160023007 

Rotating field inductive data telemetry and power transfer in an implantable medical device system


An improved implantable medical device system having dual coils in one of the devices in the system is disclosed. The dual coils are used preferably in an external device such as an external controller or an external charger.
Boston Scientific Neuromodulation Corporation


01/21/16
20160020514 

Methods and devices for reducing passive intermodulation in rf antennas


Systems and related methods for reducing passive intermodulation (pim) include a combination of an antenna control unit (acu) and a remote electrical tilt (ret) system. The acu may be used to generate rotational motion of an output drive shaft in response to an input tilt control signal.
Alcatel-lucent Shanghai Bell Co., Ltd.


01/21/16
20160020502 

Wideband and low-loss quadrature phase quad-feeding network for high-performance gnss antenna


A system and method for a wide-band low loss quadrature phase antenna feed system is provided. A 180° phase shifter is configured to generate a 0° and 180° phase output.
Novatel Inc.


01/21/16
20160020431 

Organic electroluminescence element and lighting device using same


Wherein, λm represents the weighted average emission wavelength, Ø(λm) represents the phase shift, nm(λm) represents the average refractive index of a medium filling a space between the light reflective electrode and the first light emitting layer, and dm represents the distance from the light reflective electrode to the first light emitting layer. M is equal to 1.1 is an integer equal to or more than 0..

01/21/16
20160018727 

Mask for photolithography, fabricating the same and manufacturing semiconductor device using the mask


A mask for photolithography and methods of manufacturing a mask and a semiconductor device are provided. The method of manufacturing a mask may comprise providing a substrate, forming a phase shift material layer on the substrate, forming a light blocking layer on the phase shift material layer, and forming a main pattern and a sub pattern on the substrate by patterning the phase shift material layer and the light blocking layer.
Samsung Electronics Co., Ltd.


01/14/16
20160014770 

Multiplexing large payloads of control information from user equipments


An apparatus and method for transmitting uplink control information (uci) over a physical uplink control channel (pucch) in a communication system. A method includes acquiring, by a user equipment (ue), from an evolved node b (enb), information for a pucch format associated with multiple cells; generating, by the ue, uci to be transmitted, wherein the uci being arranged in an order of an index of the multiple cells if the pucch format is used; modulating, by the ue, the uci by using quadrature phase shift keying (qpsk); performing, by the ue, a fourier transform (ft) operation on the modulated uci; performing, by the ue, an inverse fourier transform (ift) operation on the fourier transformed uci; and transmitting, by the ue, the inverse fourier transformed uci using the pucch format based on the information for the pucch format..
Samsung Electronics Co., Ltd.


01/14/16
20160013960 

Radio transmission method and adapted radio transmitter


A radio transmission method which includes a steps of simulation of a phase modulation of a radio carrier by the successive transmission of a carrier of a main frequency f and of a carrier of an offset frequency f+Δf, the offset frequency having a frequency difference suitable for simulating a given phase shift of the main frequency at the end of a given time t. The invention further relates to a radio transmission device for implementing the method which includes a radio integrated circuit for generating programmable frequency modulation, means for programming, in this radio integrated circuit, the main frequency f and the offset frequency f+Δf and means for driving this radio integrated circuit in order to generate the frequencies as a function of the signal to be transmitted..
Telecom Design


01/14/16
20160013868 

Silicon photonic hybrid polarization demultiplexer


An optical demultiplexer that includes at least one a hybrid phase shifter configured to receive a light signal over a fiber element, the light signal including polarized optical signals. Each phase shifter includes a thermo-optic phase shifter configured to phase shift the light signal, an electro-optic phase shifter configured to phase shift the light signal, and a coupler configured to maintain polarization of the polarized signal components.
Cisco Technology, Inc.


01/14/16
20160013761 

Power amplifier


A power amplifier includes a power splitter that splits a first signal into a second signal and a third signal delayed from the second signal by about 90°, a first amplifier that outputs a fourth signal by amplifying the second signal when a power level of the first signal equals/exceeds a first level, a second amplifier that outputs a fifth signal by amplifying the third signal when the power level of the first signal equals/exceeds a second level higher than the first level, a first phase shifter that receives the fourth signal and outputs a sixth signal delayed from the fourth signal by about 45°, a second phase shifter that receives the fifth signal and outputs a seventh signal advanced from the fifth signal by about 45°, and a combining unit that outputs an amplified signal of the first signal by combining the sixth and seventh signals.. .
Murata Manufacturing Co., Ltd.


01/14/16
20160013724 

Multiphase dc/dc converters and control circuits for controlling converters using fixed and/or variable frequencies


A multiphase dc/dc power converter includes an input, an output, at least a first converter and a second converter coupled in parallel between the input and the output, an inductor coupled to the first and second converters, an output capacitor coupled between the first and second converters and the output, and a control circuit coupled to the first converter and the second converter. The first and second converters each include a power switch.
Astec International Limited


01/14/16
20160013532 

Phase shifter and antenna device having same


A phase shifter includes dielectric members including facing portions facing a signal line formed on a surface of a substrate and being made of a dielectric material, a supporting member configured to support the dielectric members and receive a moving force for moving the dielectric members in a direction which is parallel to the substrate and crosses the signal line, and a moving mechanism configured to apply the moving force to the supporting member. At least either the dielectric members or the supporting member is provided with a protrusion configured to keep a distance between the facing portions of the dielectric members and the signal line..
Hitachi Metals, Ltd.


01/14/16
20160013531 

Metamaterial-based phase shifting element and phased array


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 the output signal by way of controlled scattering the input signal.
Palo Alto Research Center Incorporated


01/14/16
20160013295 

Mask, manufacturing method thereof and manufacturing a thin film transistor


The present invention discloses a mask, a manufacturing method thereof and a manufacturing method of a thin film transistor. The mask includes: a first substrate and phase shift patterns formed above the first substrate, wherein an opening area is formed between the adjacent phase shift patterns and a halftone pattern is formed at positions corresponding to the phase shift patterns and the opening area.
Beijing Boe Optoelectronics Technology Co., Ltd.


01/14/16
20160011307 

Metamaterial-based object-detection system


An object-detection system for, e.g., a vehicle collision avoidance system, utilizes a metamaterial-based phase shifting element array to generate a scan beam by varying the effective capacitance of each metamaterial structure forming the array in order to control the phases of their radio frequency output signals such that the combined electromagnetic wave generated by the output signals is reinforced in the desired direction and suppressed in undesired directions to produce the scan beam. The metamaterial structures are configured to resonate at the same radio wave frequency as an incident input signal (radiation), whereby each metamaterial structure emits an associated output signal by way of controlled scattering the input signal.
Palo Alto Research Center Incorporated


01/14/16
20160007879 

Multifrequency signal processing classifiers for determining a tissue condition


Volumetric electromagnetic phase shift spectroscopy (veps)-based methods of analyzing a tissue are provided. Aspects of the methods comprise obtaining a veps-based tissue classifier, or “signature” for a tissue at a single point in time.
The Regents Of The University Of California


01/07/16
20160006388 

Motor drive device


A motor drive device is provided which is able to reduce loss between a drive power source and a controller. The motor drive device includes a plurality of motors, a single drive power source which drives these motors, and a controller which controls energizing times during which motor coils of the plurality of motors are energized, by a pwm drive method.
Ntn Corporation


01/07/16
20160006092 

Nonreciprocal transmission line apparatus whose propagation constants in forward and backward directions are different from each other


When a phase constant in a first mode of propagation in the forward direction is βp, and a phase constant in a second mode of propagation in the backward direction is βm, respective first and second electrical lengths of stub conductors are set so that a function of nonreciprocal phase shift amount βnr=(βp−βm)/2 with respect to an operating angular frequency comes close to a function βnrz with respect to an operating angular frequency, when beam squint of such a phenomenon that a radiation direction of electromagnetic waves radiated from a nonreciprocal transmission line apparatus changes in accordance with frequency does not occur in the vicinity of an intersection of a dispersion curve representing a relation between the phase constant βp and the operating angular frequency and a dispersion curve representing a relation between the phase constant βm and the operating angular frequency.. .
Japan Science And Technology Agency


01/07/16
20160004221 

Methods and coherent holographic data channels


Methods and devices for coherent holographic data channel techniques are presented. Coherent techniques for data detection generally include homodyne and heterodyne detection.
Akonia Holographics, Llc


01/07/16
20160003682 

Dynamic phase acquiring device


A dynamic phase acquisition device includes a light collecting opening, a semi-reflecting and semi-transmitting mirror, a phase shifter, a polarizer, a plane reflector, a photosensing element and a phase processor. In the dynamic phase acquisition device, light passes through the light collecting opening to the semi-reflecting and semi-transmitting mirror, and then is divided into two channels.
Shenzhen Orbbec Co., Ltd.


01/07/16
20160002533 

Liquid-crystalline media, components for high-frequency technology, and mesogenic compounds


In which the parameters have the respective meanings given in the claims or in the text, and to the corresponding, novel mesogenic compounds and to the preparation thereof. The present invention likewise relates to the use of these liquid-crystal media, in particular in components for high-frequency technology, and to components of this type which contain media according to the invention, and to the production and use of these components.

01/07/16
20160002011 

Crane apparatus, container yard, and feeding method


A three-phase full-wave rectifier (21) performs full-wave rectification of three-phase ac power (11a) supplied from ground power supply equipment, and supplies obtained dc power (12a) to a common bus (b). A Δ-y connection type three-phase transformer (2) outputs three-phase ac power (11b) of a voltage phase shifted by π/6 from the three-phase ac power (11a).
Mitsui Engineering & Shipbuilding Co., Ltd.


12/31/15
20150381191 

Variable delay component ring oscillator with phase shifting select switch


A circuit includes a ring oscillator component and a phase selecting component. The ring oscillator component outputs a clock signal having a clock frequency, fclk, and has a number n of delay components connected in series.
Texas Instruments Incorporated


12/31/15
20150381064 

Bidirectional dc/dc converter


A bidirectional dc/dc converter includes first and second control circuits, and first and second bridge circuits respectively connected to first and second direct current voltage supplies. In one embodiment variant, when power is supplied from the first direct current voltage supply to the second direct current voltage supply, the first control circuit carries out pfm control of the first bridge circuit at a frequency equal to or lower than the resonance frequency of an lc resonant circuit in accordance with a control amount based on the voltage and current of the second direct current voltage supply.
Fuji Electric Co., Ltd.


12/31/15
20150380817 

3x3 butler matrix and 5x6 butler matrix


The present invention relates to a 3×3 butler matrix, comprising a first directional coupler, a second directional coupler, a third directional coupler, a first fixed phase shifter, a second fixed phase shifter and a third fixed phase shifter; and also relates to a 5×6 butler matrix, comprising a first 3×3 butler matrix, a second 3×3 butler matrix, a fourth directional coupler, a fifth directional coupler, a power divider, a fourth fixed phase shifter and a fifth fixed phase shifter. The 3×3 butler matrix and the 5×6 butler matrix provided in the present invention have the features of small size, wide frequency band, low loss, high isolation and stable performance, fill the blank of specific technical schemes about the 3×3 butler matrix and the 5×6 butler matrix in the prior art, and have broad application prospects and great value..
Guangdong Braodradio Communication Technology Co., Ltd.


12/31/15
20150380816 

Antenna control method and antenna control system


An object of the present invention is to provide an antenna control system and a method capable of consistently maintaining an optimum orientation point between a donor antenna and an adjacent base station. The antenna control system for receiving a signal from a base station includes a donor antenna including an antenna module disposed by being fixed to an inner side of a window glass and configured with an array antenna; a phase shifter including a plurality of transmission lines; and a phase controller configured to control the phase shifter to change an orientation direction of the antenna module; and a repeater including a measuring module for measuring a reception signal received by the antenna module; an analyzing module for analyzing a signal quality parameter in each orientation direction of the antenna module based on a measurement result of the measuring module; and a generating module for generating an antenna control signal for controlling the orientation direction of the antenna module based on an analysis result of the analyzing module..
Softbank Corp.


12/31/15
20150380789 

Phase shift device


A phase shift device includes a planar transmission line that is formed by a signal electrode and a ground electrode which are separated by a dielectric substance, whereby the signal electrode of the planar transmission line is divided into several pieces and includes overlapping areas of adjacent pieces that are filled with a tunable liquid crystal material, thereby forming a dielectric tunable component (varactor) with a metal-insulator-metal type capacitor. The several pieces of the signal electrode are arranged at two or more different distance levels with respect to the ground electrode.
Technische UniversitÄt Darmstadt


12/31/15
20150380325 

Physical layout features of integrated circuit device to enhance optical failure analysis


An integrated circuit device includes an active silicon layer, and at least one passive metal layer placed in an input region and an output region of the device. The at least one passive metal layer has a surface area and thickness for at least one of the input region or the output region to provide a phase shift of an optical laser, the phase shift corresponding to an optimized visibility of the optical laser during an optic failure analysis of the device..
Qualcomm Incorporated




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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