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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
07/21/16
20160212589 
 Telematics furtherance visualization system patent thumbnailTelematics furtherance visualization system
A method and apparatus for use in a mobile device telemetry system is disclosed. The method and apparatus relate to a telematics furtherance visualization system.
Geotab Inc.


07/21/16
20160211947 
 Bit interleaver for low-density parity check codeword having length of 64800 and code rate of 4/15 and quadrature phase shift keying, and bit interleaving method using same patent thumbnailBit interleaver for low-density parity check codeword having length of 64800 and code rate of 4/15 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


07/21/16
20160211946 
 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 patent thumbnailBit 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


07/21/16
20160211945 
 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 patent thumbnailBit 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


07/21/16
20160211870 
 Detection path design for communication systems patent thumbnailDetection path design for communication systems
Methods and apparatus are provided for detection path design for reflection coefficient estimation. In one novel aspect, a hardware-based phase estimator estimates a phase shift between the forward path signal and the reverse path signal.
Mediatek Inc.


07/21/16
20160209741 
 Reflective mask and  fabricating the same patent thumbnailReflective mask and fabricating the same
A reflective mask includes a first reflection layer disposed on a mask substrate, a first capping layer disposed on the first reflection layer, a second reflection pattern disposed on a portion of the first capping layer, and a phase shifter disposed between the second reflection pattern and the first capping layer to cause a phase difference between a first light reflecting from the first reflection layer and a second light reflecting from the second reflection pattern. Related methods are also provided..
Sk Hynix Inc.


07/21/16
20160209275 
 Phase shift detector process for making and use of same patent thumbnailPhase shift detector process for making and use of same
A phase shift detector includes: an interferometer; and a microwave probe in electrical communication with the interferometer, the microwave probe including: a primary shield electrode; and a transmission electrode disposed proximate to the primary shield electrode, the transmission electrode and the primary shield electrode being exposed and arranged to produce an electric field, wherein the transmission electrode is isolated electrically from the primary shield electrode. A process for acquiring phase shift data includes: receiving a microwave radiation by a power splitter; producing a reference microwave radiation and a sample microwave radiation; communicating the reference microwave radiation to a reference arm; communicating the sample radiation to a sample arm; communicating the sample radiation from the sample arm to a microwave probe; subjecting a sample to the sample microwave radiation; producing a probe microwave radiation in response to subjecting the sample to the sample microwave radiation; communicating the probe microwave radiation to a power combiner; receiving the probe microwave radiation and the reference microwave radiation from the reference arm; and producing an interferometer signal in response to receiving the probe microwave radiation and the reference microwave radiation to acquire phase shift data..
National Institute Of Standards And Technology


07/21/16
20160208167 
 Alkinyl-tolanes, liquid-crystal mixtures containing them and components for high-frequency technology patent thumbnailAlkinyl-tolanes, liquid-crystal mixtures containing them and components for high-frequency technology
In which the parameters have the respective meanings given in the description, to the use thereof for high-frequency components, to liquid-crystalline media comprising the compounds, and to high-frequency components, in particular antennae, especially for the gigahertz range, comprising these media. The liquid-crystalline media serve, for example, for the phase shifting of microwaves for tunable ‘phased-array’ antennae..

07/14/16
20160205565 
 Method and  transmitting signaling patent thumbnailMethod and transmitting signaling
Embodiments of the present invention provide a method and an apparatus for transmitting signaling. The method includes: modulating, by using a binary phase shift keying bpsk manner of rotation by a first angle, at least partial signaling information carried in at least one signaling symbol in a signaling field of a data packet, to obtain modulated signaling information, where the first angle is not equal to 0 degrees or 90 degrees; and sending, to a receive end, the data packet that carries the modulated signaling information.
Huawei Technologies Co., Ltd.


07/14/16
20160204875 
 Optical transmission system, wavelength control method and node patent thumbnailOptical transmission system, wavelength control method and node
An optical transmission system includes: a transmission node to transmit wavelength-multiplexed light of a plural wavelengths arranged in a predetermined transmission band; and a reception node to receive the wavelength-multiplexed light, and to include a monitor to monitor a detection sensitivity indicating a sampling phase shift with respect to a phase of light corresponding to one among the received plural wavelengths, and a transmitter to transmit information indicating that the monitored detection sensitivity for light corresponding to a wavelength adjacent to an outer edge of the transmission band, among the plural wavelengths, has been reduced below a threshold value, to the transmission node, wherein the transmission node includes a receiver to receive information indicating a reduction in the detection sensitivity, and a controller to stop wavelength control of shifting the wavelength adjacent to the outer edge in a direction approaching the outer edge in response to reception of the information.. .
Fujitsu Limited


07/14/16
20160204683 

Multiple winding design for single or polyphase electric motors with a cage type rotor


An electric motor, with a cage type rotor, of single or polyphase design having a multiple winding design in a single stator core. Where the primary winding and secondary winding having a magnetically and electric circuit configured alignment, that is a 0° difference in the respective magnetic alignments or the electric circuitry alignments.
Performa, Llc


07/14/16
20160202502 

Stress-tuned planar lightwave circuit and method therefor


A planar lightwave circuit that can be optically coupled with an external device with low optical loss, while also providing low-power functional control over an optical signal propagating through the plc is disclosed. The plc includes a high-contrast waveguide region in a stress-inducing (si) phase shifter is formed such that it can control the phase of the optical signal.
Octrolix Bv


07/14/16
20160202285 

Accelerometer based on two-mode elliptical-core fiber sensor


Systems and methods are disclosed for sensing acceleration or vibration of a physical object, by placing a two-mode elliptical-core optical fiber on the object; receiving optical signals using photo-detector; and determining acceleration as perturbation effects on the differential phase shift between two spatial modes in each polarization or between two polarization modes in each spatial mode for the two-mode elliptical-core optical fiber.. .
Nec Laboratories America, Inc.


07/14/16
20160202126 

Lock-in thermography hot spot localization


A method for localizing a hot spot (27) in a sample (12), in particular an encapsulated device under test (dut), by using lock-in thermography (lit), where at least one heat source (23) of an electrical circuit is buried within the sample (12) and generated the hot spot (27) upon flow of current therein, comprises applying a non-harmonic excitation wave test signal at a lock-in frequency to the electrical circuit of the sample (12) to activate the heat source (23) for generating the hot spot (27); imaging the sample (12) using an infrared sensor (16) to obtain ir images of the sample (12) while the non-harmonic test signal is applied to the electrical circuit; and detecting a thermal response signal obtained from the imaging, the thermal response signal being in correlation to the thermal heat propagation within the sample (12). The invention is characterized in that applying the non-harmonic test signal comprises applying a non-harmonic signal at a single selected frequency; that the thermal response signal is subjected to a fourier transformation (ft) to break down the thermal response signal into a frequency spectrum containing harmonics signals of a base and higher harmonic signals to thereby obtain a plurality of frequency-specific response signals at multiple specific frequencies; that the phase shifts of each of the frequency-specific response signals is determined; that a frequency vs.
Fraunhofer-gesellschaft Zur FÖrderung Der Angewandten Forschung E. V.


07/14/16
20160199034 

Sparse tracking in acoustic radiation force impulse imaging


Sparse tracking is used in acoustic radiation force impulse imaging. The tracking is performed sparsely.
Siemens Medical Solutions Usa, Inc.


07/07/16
20160195803 

Mask blank, mask blank with negative resist film, phase shift mask, and producing pattern formed body using same


The present invention provides a mask blank used to produce a halftone phase shift mask to which arf excimer laser exposure light is to be applied. The present invention attains the object by providing the mask blank comprising a transparent substrate, and a light semitransmissive layer formed on the transparent substrate and made only of si and n or a light semitransmissive layer formed on the transparent substrate and made only of si, n and o, wherein the light semitransmissive layer has an extinction coefficient of 0.2 to 0.45 at a wavelength of arf excimer laser exposure light, a refractive index of 2.3 to 2.7 at the wavelength of arf excimer laser exposure light, and a transmittance of 15 to 38% at the wavelength of arf excimer laser exposure light, and further has a layer thickness of 57 to 67 nm..
Dai Nippon Printing Co., Ltd.


07/07/16
20160195791 

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


07/07/16
20160195649 

Optical focusing device


An optical reflection focusing device, including a grating including an alternation of first and second regions having different refraction indexes, the grating including a plurality of sub-gratings, each including a plurality of first regions aligned along a plane parallel to the mean plane of the grating, said device including structures such that, for a collimated incident coherent light beam orthogonal to the mean plane of the grating, the rays of the beam reach with a non-zero phase shift different sub-gratings of the device.. .
Commissariat â L'energie Atomique Et Aux Energies Alternatives


06/30/16
20160191284 

Clock signal generating apparatus, clock signal generating method, and medium


A clock signal generating apparatus detects a phase difference between an input reference clock signal and a feedback signal to output a control signal based on the phase difference, generates the clock signal with a frequency based on the output control signal, generates a pattern by switching, at a certain time interval, between a plurality of patterns of a second phase shift amount, adds a first phase shift amount to the second phase shift amount having the generated pattern, determines a phase to be selected, so that a cycle of the phase-shifted clock signal matches the cycle of a clock signal changed by the first phase shift amount to which the second phase shift amount is added, selects the determined phase from among a plurality of phases, and generates a phase-shifted clock signal whose signal level changes in the selected phase for output as the feedback signal.. .

06/30/16
20160191105 

Circuits and methods for 2g amplification using 3g/4g linear path combination


Circuits and methods for 2g amplification using 3g/4g linear path combination. In some embodiments, a front-end architecture can include a first amplification path and a second amplification path, with each being configured to amplify a 3g/4g signal, and the first amplification path including a phase shifting circuit.

06/30/16
20160191019 

Methods and apparatuses for use in tuning reactance in a circuit device


Methods and apparatuses for use in tuning reactance are described. Open loop and closed loop control for tuning of reactances are also described.

06/30/16
20160190940 

Resonant dc/dc power converting circuit and controlling the same


A method for controlling a resonant dc/dc power converting circuit is provided. The resonant dc/dc power converting circuit having a converter output and a converter input comprises at least two converters having similar structures and outputs connected in parallel as said converter output, and a controller.

06/30/16
20160186834 

Torsional vibration damping arrangement for the powertrain of a vehicle


A torsional vibration damping arrangement has parallel first torque and second torque transmission paths that proceed from an input region, a coupling arrangement that communicates with an output region for superposing the torques conducted via the two paths, and a phase shifter arrangement for generating a phase shift of rotational irregularities conducted via the first torque transmission path relative to rotational irregularities of the second torque transmission path. The planet gear carrier has at least one base element with a first planet gear bearing location and a second planet gear bearing location.

06/30/16
20160186630 

Nox sensor diagnostic for an exhaust aftertreatment system


A method for diagnosing nox sensors in an exhaust aftertreatment system includes suspending reductant dosing in an exhaust aftertreatment system; purging a reductant deposit in a selective catalytic reduction (scr) system of the exhaust aftertreatment system; adjusting at least one of an ignition timing and an engine speed for an engine to adjust an engine out nitrogen oxide (nox) amount; receiving measured scr inlet nox data from a scr inlet nox sensor and measured scr outlet nox data from a scr outlet nox sensor; determining a phase shift between the measured scr inlet and scr outlet nox data; applying the determined phase shift to the scr outlet nox data; and determining a diagnostic feature based on the scr inlet nox data and the phase shifted scr outlet nox data regarding a state of the scr inlet and outlet nox sensors.. .

06/30/16
20160183840 

Volumetric induction phase shift detection system for determining tissue water content properties


A method and apparatus of determining the condition of a bulk tissue sample, by: positioning a bulk tissue sample between a pair of induction coils (or antennae); passing a spectrum of alternating current (or voltage) through a first of the induction coils (or antennae); measuring spectrum of alternating current (or voltage) produced in the second of the induction coils (or antennae); and comparing the phase shift between the spectrum of alternating currents (or voltages) in the first and second induction coils (or antennae), thereby determining the condition of the bulk tissue sample.. .

06/23/16
20160182136 

Method and node in a wireless communication network


Radio network node and method in a radio network node, for wireless communication with a user equipment in a wireless communication system in antenna streams, wherein the radio network node comprises a plurality of antenna elements, forming a multiple antenna array which is configured for massive mimo transmission. The method comprises beamforming a signal to be transmitted to the user equipment by splitting and phase shifting said signal; detecting a peak of power of one beamformed signal, exceeding a threshold value; manipulating said signal until the peak of power of the signal is lower than said threshold value; and transmitting said signal, to be received by the user equipment..

06/23/16
20160182059 

Phase switching pll and calibration method


The phase-locked loop (pll) presented herein controls the phase of the output of the pll. To that end, the pll includes an oscillator that generates an output signal at an output of the pll responsive to a comparison between a reference signal input to the pll and a feedback signal derived from the output signal.

06/23/16
20160182006 

High-selectivity low-loss duplexer


A high-selectivity low-loss duplexing system includes a first duplexer having a first port, a second port, a transmit port and a receive port. A second duplexer has a third port, a fourth port, an inverted transmit port and the receive port.

06/23/16
20160182003 

Impedance conversion circuit, antenna apparatus, and wireless communication apparatus


An impedance conversion circuit includes an auto-transformer circuit including a first inductor connected between a first port connected on a power supply portion side and a second port connected on an antenna side and a second inductor connected between a third port that is grounded and the second port; a first phase shifter with a first end connected to the first port; an inductor connected in series between a second end of the first phase shifter and the power supply portion; and a capacitor connected in series to the inductor and connected in series between the second end of the first phase shifter and the power supply portion.. .

06/23/16
20160181009 

Low crosstalk magnetic devices


In one aspect there is an apparatus. The apparatus may include an electronic circuit that generates a first magnetic field from a current in the electronic circuit.

06/23/16
20160180873 

Magnetic disk device and determining crossing a zone boundary


According to one embodiment, a magnetic disk device includes a magnetic disk in which servo patterns with different writing frequencies are recorded and divided into a plurality of zones in a cross-track direction; a magnetic head that is provided for the magnetic disk; and a controller to determine whether the magnetic head cross a zone boundary between the zones of the servo patterns, according to a predicted position of the magnetic head that is corrected with reference to a phase shift time between the zones of the servo patterns.. .

06/23/16
20160176280 

Hybrid drive of a motor vehicle and controlling same


The invention relates to a hybrid drive (1.1-1.10) of a motor vehicle, which features an internal combustion engine (vm) with a drive shaft (2), an electric machine (em) with a rotor (3) operable as a motor and as a generator, an automated manual transmission (4.1-4.6) carried out in a lay-shaft design with one input shaft (ge) and at least one output shaft (ga; ga1, ga2), along with a phase shifter gearbox (5.1, 5.2) formed in a planetary design with two input elements (6, 7) and one output element (8). With this hybrid drive, it is provided the phase shifter gearbox is arranged coaxially around a free end (9, 9′) of the output shaft (ga; ga2), and that the first input element (6) of the phase shifter gearbox is connected in a torque-proof manner to a hollow shaft (10) arranged in a coaxial manner around the output shaft, which, for coupling the internal combustion engine (vm) through a coupling shift element (k), is connectable in a torque-proof manner to an idler gear (11, 12) of the directly axially adjacent spur gear stage (z2, z3) of the manual transmission, and, for bypassing the phase shifter gearbox through a bypass shift element (l, l′), is connectable in a torque-proof manner to the second input element (7) or the output element (8) of the phase shifter gearbox, that the second input element (7) of the phase shifter gearbox is permanently in drive connection with the rotor (3) of the electric machine (em), and that the output element (8) of the phase shifter gearbox is connected in a torque-proof manner to the output shaft..

06/23/16
20160174858 

Non-invasive intracranial pressure monitoring system and method thereof


A non-invasive pressure monitoring system includes a first sensor placed proximate to a perfusion field of an artery receiving blood which emanates from the cranial cavity is configured to measure pulsations of the artery receiving blood which emanates from the cranial cavity artery and generate first output signals. A second sensor placed proximate to a perfusion field of an artery which does not receive blood emanating from the cranial cavity configured to measure pulsations of the artery which does not receive blood emanating from the cranial cavity and generate second output signals.

06/16/16
20160173722 

Method for correcting shading and scanner device


A shading correction of removing a plurality of shading factors is performed. A scanner device performs a shading correction in a manner such that a low-pass filter circuit (14) extracts a broad waveform change component caused by a temperature characteristic and a temporal change in light source or sensor sensitivity as shading factors, a phase/amplitude synchronizing circuit (15) extracts a phase shift of a cycle pattern of a lens array, a first multiplying circuit (16) synthesizes the waveforms of the extracted factors so as to form a correction-purpose image signal waveform, and the correction-purpose image signal waveform is divided from an image signal waveform subjected to a dark level correction (offset)..
Hitachiinformation & Telecommunication Engineering


06/16/16
20160173140 

Method and an antenna


There are disclosed various methods and apparatuses for an antenna. In some embodiments of the method a transmission signal is provided to a first feed point (126) of an antenna (102).
Nokia Technologies Oy


06/16/16
20160173089 

Capacitive switch having high accuracy


A capacitive switch includes a drive circuit, a detection circuit, a reference circuit and an identification unit. The drive circuit outputs a drive signal and a switching signal, wherein the drive signal is outputted to a first node and a second node.
Pixart Imaging Inc.


06/16/16
20160173073 

Self-cascadable phase shifter


A self-cascadable phase shifter having a two corresponding pairs of input and output pins. Each pair of input and output pins are interconnected by phase delay circuitry that is isolated from phase delay circuitry interconnecting the other pair of input and output pins so that each pair of input and output pins produces, for example, a 90 degree phase shift.
Anaren, Inc.


06/16/16
20160173069 

Voltage-controlled ring oscillator with delay line


The invention relates to a multi-phase oscillator for generating multiple phase-shifted oscillator signals including: a ring oscillator having a number of concatenated oscillator delay cells which are interconnected to generate an oscillator signal, wherein phase-shifted oscillator signals are generated between the oscillator delay cells; a phase-blending unit configured to receive two phase-shifted oscillator signals and to generate a mid-phase oscillator signal whose phase shift is between the shifts of the two phase-shifted oscillator signals; and an interpolator delay line having a number of concatenated interpolator delay cells to generate further phase-shifted oscillator signals.. .
International Business Machines Corporation


06/16/16
20160170294 

Phase shift mask, manufacturing the same, and forming micro pattern


A phase shift mask enables much smaller scale of electronic circuit pattern. A phase shift mask comprises a transparent substrate, a phase shift pattern arranged on the transparent substrate to change a phase of light that penetrates the transparent substrate, and a metal coating layer arranged on at least a part of a surface of the phase shift pattern..
Samsung Display Co., Ltd.


06/16/16
20160170287 

Optical beams


Apparatuses and methods for producing and/or receiving an optical beam are disclosed, a phased array on a chip comprises phase shifters and off-chip couplers to provide phase controlled pixels. An optical system is arranged in front of the phased array.
Nokia Technologies Oy


06/16/16
20160166843 

Metamaterial phased array for hyperthermia therapy


A device includes a phase shifting element array comprising a plurality of metamaterial structures that resonate in response to an input electromagnetic (em) signal. The phase shifting element array generates an output em signal that is a sum of component output electromagnetic signals generated respectively by the metamaterial structures and is configured to propagate wirelessly through at least a portion of a patient's body.
Palo Alto Research Center Incorporated


06/09/16
20160164613 

Device for amplitude modulation of an optical signal


A photonic device for amplitude modulation of an optical signal, in which a source of the optical signal is coupled to an input waveguide separating through an optical splitter into two arms which recombine through an optical combiner in an output waveguide, wherein the arms are phase shifted by π/2 and each include an electro-optical amplitude modulator. The device may be adapted to modulate a wavelength multiplexed signal..
Commissariat A L'energie Atomique Et Aux Energies Alternatives


06/09/16
20160164155 

System and variable microwave phase shifter


A phase shifter and a method of making a phase shifter are disclosed herein. The phase shifter may include a housing, a dielectric, an electrode, and a liquid crystal layer.

06/09/16
20160163501 

Charged particle beam device and image acquisition method


A charged particle beam device includes: an image displacement vector calculation section that calculates an image displacement vector between a first local frame image and a second local frame image, the first local frame image including an area in a first frame image that is obtained by starting scanning at a timing that corresponds to a first phase of an alternating-current signal, and the area in the first frame image corresponds to a phase that undergoes a given phase shift from the first phase, and the second local frame image including an area in a second frame image that is obtained by starting scanning at a timing that corresponds to a second phase of the alternating-current signal that differs from the first phase, and the area in the second frame image corresponds to a phase that undergoes the given phase shift from the second phase; a scanning deflector that scans a charged particle beam (b) while deflecting the charged particle beam (b); a scanning correction signal generation section that generates a scanning correction signal that corrects the scanning of the charged particle beam (b) based on the image displacement vector; and a scanning signal supply section that supplies a scanning signal that is corrected based on the scanning correction signal to the scanning deflector in synchronization with the alternating-current signal.. .
Jeol Ltd.


06/09/16
20160161578 

Reducing interference in a combined assembly for mri and nuclear imaging


The invention relates to a system, a method and a computer program product for use in a combined-modality imaging assembly that includes a magnetic resonance (mr) imaging system and a nuclear imaging system. The nuclear imaging system has a plurality of (m) modules; and the combined imaging assembly includes a timing control unit having a reference clock unit; and at least one of a phase shifting unit and a frequency shifting unit.
Koninklijke Philips N.v.


06/09/16
20160161562 

Apparatus and determining impedance characteristics of an electrical load


Apparatus (103) suitable for determining the resistance and inductance of an electric motor (101) estimates the phase shift between a voltage applied to the motor and motor current. Estimation of the phase shift employs a heterodyne technique.
Freescale Semiconductor, Inc.


06/09/16
20160161247 

Method for measuring the thickness of a layer of material, galvanizing method and related measuring device


Determining the thickness of the layer of material as a function of the phase shift (Δφth/opt).. .

06/02/16
20160156912 

Scalable video encoding method and apparatus and scalable video decoding method and apparatus using up-sampling filter accompanied by conversion of bit depth and color format


Provided is a video encoding method including determining a reference layer image from among base layer images, wherein the reference layer image corresponds to an enhancement layer image; determining a phase shift between pixels of the enhancement layer image and the reference layer image, according to a scaling factor between the enhancement layer image and the reference layer image and a color format of the enhancement layer; selecting at least one filter coefficient set corresponding to the phase shift, from filter coefficient data including filter coefficient sets; generating an up-sampled reference layer image by extending a resolution of the reference layer image according to the scaling factor by performing interpolation filtering on the reference layer image by using the filter coefficient set; obtaining a prediction error between the up-sampled reference layer image and the enhancement layer image; generating an enhancement layer bitstream including the prediction error and a scalable codec; and generating a base layer bitstream by encoding the base layer images.. .
Samsung Electronics Co., Ltd.


06/02/16
20160156885 

Image display device


Provided is an image display device including: a light source part (200) for emitting coherent light; and a plurality of phase shift elements (301) arranged in two-dimensional directions, the device further including a phase shift part (300) for scanning the wavefront of the coherent light from the light source part (200) in two-dimensional directions, in which light is scanned in the two-dimensional directions by a phased array to thereby allow an observer to observe an image.. .
Olympus Corporation


06/02/16
20160156496 

Ofdm transmission in wireless lan system


An apparatus and method for orthogonal frequency division multiplexing (ofdm) transmission in a wireless local area network (wlan) system is disclosed, in which the apparatus for ofdm transmission in the wlan system includes a signal repetition unit to repeat an encoded signal based on a block unit and output the encoded signal and a repeated signal, an interleaver to interleave the encoded signal and the repeated signal and output an interleaved signal, a modulator to modulate the interleaved signal and output modulated symbols, and a phase rotation unit to phase shift the modulated symbols.. .
Electronics And Telecommunications Research Institute


06/02/16
20160156490 

Distributed dynamic configuration of a scalable radio frequency communication system


A device implementing a distributed dynamic configuration of a scalable radio frequency communication system includes a primary radio frequency (rf) integrated circuit (rfic) and at least one secondary rfic. The primary rfic includes at least one phase shifter, and the primary rfic may be configured to apply a first phase shift to an rf signal using the at least one first phase shifter, and to transmit the rf signal to at least one secondary rfic.
Broadcom Corporation


06/02/16
20160156489 

Millimeter-wave modulation device


Provided is a lower power and high efficiency millimeter-wave modulation apparatus capable of modulating digital data into transmitting signals in a millimeter frequency band, the millimeter-wave modulation apparatus including; a modulation part, which carries out a modulation of a constant envelope attribute, and to which a first local oscillation signal is fixed according to a rate of input data; a phase shifter adopted to shift a phase of an output of the modulation part; a power amplifier adopted to amplify an output of the phase shifter; and an antenna connected to an output of the power amplifier.. .
Korea Electronics Technology Institute


06/02/16
20160156085 

Active quasi circulator


An rf quasi circulator circuit is described herein. In accordance with one example of the disclosure the circuit includes a receive port, a transmit port and an antenna port as well as a differential amplifier stage having a first input, a second input and an output that is coupled to the receive port.
Infineon Technologies Ag


06/02/16
20160154914 

Finite impulse response filter for producing outputs having different phases


A method and system for designing and implementing a finite impulse response (fir) filter to create a plurality of output signals, each output signal having the same frequency but at a different phase shift from the other output(s), is described. Values are determined for the resistors, or other elements having impedance values, in a fir filter having a plurality of outputs, such that each output has the same frequency response but a different phase than the other output(s).
Ess Technology, Inc.


05/26/16
20160150542 

Scalable radio frequency communication system


A device implementing the subject scalable radio frequency communication system includes one or more primary radio frequency integrated circuits (rfics) and at least one secondary rfic. Each of the one or more primary rfics is configured to receive an intermediate frequency (if) signal from a baseband processor, upconvert the if signal to a radio frequency (rf) signal, and transmit the rf signal to one or more secondary rfics.
Broadcom Corporation


05/26/16
20160149600 

Method for reducing the crest factor wide band signal


A method for reducing the crest factor of a wideband signal including n narrowband signals, n being a natural integer greater than or equal to two, the method, implemented by an emitting equipment, including phase shifting the narrowband signals between them in such a way as to reduce the crest factor.. .
Airbus Ds Sas


05/26/16
20160149379 

Semiconductor laser and optical integrated light source including the same


A semiconductor laser according to the present invention includes an active layer, a guide layer laminated on the active layer, a diffraction grating formed along a light emission direction in the guide layer, an upper electrode provided above the guide layer, and a lower electrode provided below the active layer. The diffraction grating includes a current-injection diffraction grating and current-non-injection diffraction gratings provided both in front of and in back of the current-injection diffraction grating.
Mitsubishi Electric Corporation


05/26/16
20160146607 

Dynamically monitoring the instantaneous zero rotation rate voltage of interferometric fiber optic gyroscope (ifog)


The drift (°/h) for an interferometric fiber optic gyroscope (ifog) means the variations on the voltage generated versus the zero angular (rotation) rate, whilst ifog is not under influence of any angular rate effect. If the drift of an ifog is predefined, the compensation of the drift can trivially be carried out by a subtraction process.
Tubitak (turkiye Bilimsel Ve Teknolojik Arastirma Kurumu)


05/19/16
20160142922 

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.


05/19/16
20160142198 

Rf duplexing device


Radio frequency (rf) duplexing devices and methods of operating the same are disclosed. In one embodiment, an rf duplexing device includes a transmission port, a receive port, a first duplexer, and a second duplexer.
Rf Micro Devices, Inc.


05/19/16
20160142156 

Integrated device package and/or system comprising configurable directional optical transmitter


Some novel features pertain to a device that includes a first integrated device package and a second integrated device package. The first integrated device package includes a first package substrate, a first integrated device, and a first configurable optical transmitter.
Qualcomm Incorporated


05/19/16
20160139485 

Multi-electrode photonic digital to analog converting vector modulator


A digital-electronic-to-analog-optical converter, which has a structure consistent with a super-mach-zehnder interferometer, and which can perform the functionalities of both a digital to analog converter (dac) and a digital modulator uses a sub-mach-zender modulator to modulate optical wave signals propagating through its optical waveguide in a push-pull manner. The modulation performed is phase modulation realized with electrodes positioned near the optical wave guide where such electrodes carry modulation signals in digital, analog or discrete time signal format creating electromagnetic or electric fields that engage the optical wave signals traveling through the waveguide thus imparting a phase shift onto the optical wave signals.
Alcatel-lucent Usa Inc.


05/19/16
20160139405 

Oscillation device, scanning-type scanner device, information terminal, phase-shift amount adjustment device, and phase-shift amount adjustment method


An oscillation device includes an oscillator, an oscillation detection unit that detects oscillation of the oscillator and outputs an oscillation detection signal, and a drive unit that generates a drive signal in keeping with the oscillation detection signal and outputs the drive signal to the oscillator. The drive unit includes a phase shift unit that shifts the phase to provide the drive signal as positive feedback to the oscillator.
Funai Electric Co., Ltd.


05/19/16
20160139033 

Device for compensating for the drift of a phase shift of a device for modulating the polarization state of a light beam


A device for analyzing and/or generating a polarization state of a measurement point of a target object includes a polarizer suitable for selecting, in an incident light wave, a light beam which is linearly polarized in a predefined direction; a first birefringent element suitable for having the light beam pass therethrough; a second birefringent element identical to the first element and suitable for having the light beam pass therethrough, the light beam then being directly or indirectly directed toward the object in order to be reflected in the form of a reflected beam. The device includes an optical assembly having one or more optical elements located in an optical path between the first element and the second element, and the optical assembly includes an odd number of mirrors, or, an odd number of half-wave plates, or, an odd number of a mix of mirrors and half-wave plates..
Centre National De La Recherche Scientifique - Cnrs-


05/19/16
20160138687 

Continuously variable transmission mechanism


The present invention has a mechanical rotation drive mechanism (50) that drives rotation of at least one rotation pinion sprocket (22; 23) on its axis from among a plurality of pinion sprockets (20). The mechanical rotation drive mechanism (50) drives the rotation of at least one rotation pinion sprocket (22; 23) on its axis in concert with a sprocket movement mechanism (40a) so as to eliminate a phase shift, associated with a radial direction movement of the plurality of pinion sprockets (20) by the sprocket movement mechanism (40a), of the plurality of pinion sprockets (20) with respect to a chain (6)..
Jatco Ltd


05/12/16
20160134412 

Diplexed antenna with semi-independent tilt


Systems and methods for a diplexed antenna with semi-independent tilt are disclosed. The diplexed antenna supports two or more frequency bands, in which the vertical tilt of each of the supported frequency bands is separately controlled by a coarse level of phase shifting, but commonly controlled by a fine level of phase shifting..
Commscope Technologies Llc


05/12/16
20160134377 

Method and transmitting phase shift keyed optical signals


A burst-mode phase shift keying (psk) communications apparatus according to an embodiment of the present invention enables practical, power-efficient, multi-rate communications between an optical transmitter and receiver. Embodiments may operate on differential psk (dpsk) signals.
Massachusetts Institute Of Technology


05/12/16
20160134348 

Reducing location-dependent interference in distributed antenna systems operating in multiple-input, multiple-output (mimo) configuration, and related components, systems, and methods


Components, systems, and methods for reducing location-based interference in distributed antenna systems operating in multiple-input, multiple-output (mimo) configuration are disclosed. Interference is defined as issues with received mimo communications signals that can cause a mimo algorithm to not be able to solve a channel matrix for mimo communications signals received by mimo receivers in client devices.
Corning Optical Communications Llc


05/12/16
20160134328 

Signal representing data, for generating such signal and for determining the represented data from such signal


A method and a device are described for generating a signal representing data. The method for generating a signal has a step of modulating a portion (1p, 2p) of the data using phase shift keying and spreading the modulated portion over the at least one frequency base band using at least one highly auto-correlated spread code sequence (1c, 2c) associated with the frequency base band.
Broadnet Invest Ag


05/12/16
20160134220 

Modular multi-phase electric machine


A multi-phase electric motor is proposed that comprises a rotor and a stator. The rotor has a number of magnets directed towards the stator and the stator includes a plurality of phase windings directed towards the magnets.
Gem Motors D.o.o.


05/12/16
20160134007 

Tilt adapter for diplexed antenna with semi-independent tilt


A tilt adapter configured to facilitate a desired tilt of a first radio frequency (rf) band and a second rf band of an antenna is disclosed. The antenna supports two or more frequency bands, in which the vertical tilt of each of the supported frequency bands is separately controlled by a coarse level of phase shifting, but commonly controlled by a fine level of phase shifting..
Commscope Technologies Llc


05/12/16
20160131137 

Rotary compressor


A rotary compressor includes: a vertically-positioned airtight compressor housing, in an upper section of which a discharge unit of a refrigerant is provided and in a lower section of which an inlet unit of the refrigerant is provided and lubricant oil is stored; and a lubricating mechanism supplying lubricant oil stored in the lower section of the compressor housing to a sliding portion of a compressing unit through a vertical lubricating hole and a horizontal lubricating hole of a rotation shaft. The horizontal lubricating hole of the lubricating mechanism is formed between the same direction as an eccentric direction of an eccentric portion provided on the rotation shaft and causes an annular piston of the compressing unit making an orbital motion in a cylinder and a 80° phase shifted direction from the same direction as the eccentric direction in a direction opposite to a rotation direction of the rotation shaft..
Fujitsu General Limited


05/05/16
20160126894 

Phase shifting mixer


Performing quadrature combining and adjusting including: a plurality of mixing circuits configured to generate a plurality of frequency converted signals; at least one mixing circuit of the plurality of mixing circuits is configured with a plurality of paths, each path representing one linearity mode; and a plurality of combining circuits configured to combine the plurality of frequency converted signals to generate a differential baseband output signal.. .
Qualcomm Incorporated


05/05/16
20160126857 

Autotransformer with wide range of, integer turns, phase shift, and voltage


Using two mechanically identical units the new autotransformer is uniquely suited to provide balanced power supplies for 12-pulse ac to dc converters with capacitive, inductive, or resistive dc load circuit. The resulting 12-pulse current waveforms contain very small residual 5th and 7th harmonics.

05/05/16
20160124299 

Transmission balancing for phase shift mask with a trim mask


Implementations described and claimed herein include photolithography technology to alleviate the imbalance of transmission intensity induced. In one implementation, a method comprises exposing an alternating phase shift mask (alt-psm) and a trim mask, wherein an exposure placement of the trim mask is shifted relative to an exposure placement of the alt-psm..
Seagate Technology Llc


05/05/16
20160124089 

Absolute distance measurement for time-of-flight sensors


A time-of-flight (tof) sensor device is provided with features for correcting distance measurement offset errors caused by such factors as temperature, dynamic reflectivity ranges of objects in the viewing space, or other factors. In various embodiments, the tof sensor device generates corrected distance values based on comparison of two different distance values measured for an object by two different measurement techniques, including but not limited to phase shift measurement, pulsed tof measurement, distance measurement based on the focal length of the tof sensor's lens, and comparison of distance variations with light intensity variations.
Cedes Safety & Automation Ag


04/28/16
20160119110 

Apparatus and cancelling self-interference signal in rf front end


The apparatus includes a transmission signal divider for dividing and transmitting a received signal to a transmission antenna and an attenuator, an attenuator for applying a predetermined attenuation factor to the transmitted signal divided to the attenuator, a phase shifter for phase-shifting the signal to which the attenuation factor is applied by a predetermined phase, and a time delayer for time-delaying the phase-shifted signal by a predetermined time.. .
Industry-academic Cooperation Foundation, Yonsei University


04/28/16
20160116594 

Time of flight camera


A cw-tof camera that uses a piecewise constant or linear discretized indicator function of first and second modulation frequencies of light that the camera transmits to illuminate a scene and a round trip time tr for light from and back to the camera for features in the scene to disambiguate wrapped phase shifts that the camera acquires for the features.. .
Microsoft Corporation


04/28/16
20160116442 

Destruction-free and contactless inspection method and inspection surfaces of components with ultrasound waves


The invention relates to a method of nondestructive and contactless testing of components (3), wherein ultrasonic waves (6) are irradiated onto the surface of the component (3) at a predefinable, non-perpendicular angle of incidence (9) using an ultrasonic transmission sound transducer (1) arranged spaced apart from the surface of the component (3) and the intensity of the ultrasonic waves (7) reflected from the surface of the component (3) is detected with time resolution and/or frequency resolution by the antenna array elements (2n) of an ultrasonic antenna array (2) configured for detecting ultrasonic waves (7) and the phase shift of the ultrasonic waves guided at the surface of the test body is determined therefrom with respect to the ultrasonic waves (7) directly reflected at the surface of the component (3).. .
Mtu Aero Engines Gmbh


04/21/16
20160112226 

Systems for analog phase shifting


A system for phase shifting that produces an output signal by modifying a phase of an input signal, including a primary phase shifting stage that modifies the input signal phase in increments set by a first tuning resolution; a secondary phase shifting stage that modifies the input signal phase in increments set by a second tuning resolution; and, a tuning circuit that controls the primary phase shifting stage and the secondary phase shifting stage according to control input.. .

04/21/16
20160112081 

Phase noise suppression


A transceiver comprises local oscillator circuitry, phase noise determination circuitry, mixing circuitry, and digital signal processing circuitry. The local oscillator circuitry is operable to generate a local oscillator signal.

04/21/16
20160112072 

System and a radio frequency filter


In accordance with an embodiment, a circuit includes a plurality of filter circuits having a first port, a second port and a third port, where a second port of a first of the plurality of filter circuits is coupled to a first port of a second of the plurality of filter circuits, and each of the plurality of filter circuits includes a first passive filter, a second passive filter, a first coupler and a combining network. The first coupler includes an input port coupled to the first port, an isolated port coupled to the second port, a first phase shifted port coupled to the first passive filter and a second phase shifted port coupled to the second passive filter, and the combining network includes a first input coupled to the first passive filter, a second input coupled to the second passive filter, and an output coupled to the third port..

04/21/16
20160111987 

Minimization of torque ripple


Systems and methods of operating an electric motor including a first linear actuator including a first coil, a second linear actuator including a second coil, a rotational shaft, a cam assembly mounted on said rotational shaft for translating linear movement of the first and second linear actuators to rotational movement of the rotational shaft. The first coil is driven with a first signal that produces a first radially-directed force.

04/21/16
20160111785 

Multi-band antenna system


The present invention relates to a multiband antenna system and, more particularly, to a multiband antenna system which performs beam tilt while servicing a multiband with a broadband radiating element supporting a multiband. The multiband antenna system according to the present invention comprises: at least one broadband radiating element; a branching filter; and a plurality of phase shifters.

04/21/16
20160110023 

Semiconductor device with touch sensor circuit


A semiconductor device includes a terminal to which a touch electrode may be coupled; a source voltage drop circuit generating a constant voltage; a phase shift circuit generating a phase shifted clock in response to a first clock and a phase control signal; and a switching circuit to which the constant voltage is supplied. The switching circuit generates drive pulses for applying the constant voltage to the terminal in response to the phase shifted clock.

04/21/16
20160109794 

Photomask and forming the same and methods of manufacturing electronic device and display device using the photomask


A phase shift mask includes a substrate, a second phase shift pattern on the substrate, the second phase shift pattern extending to an outermost perimeter of the substrate, the second phase shift pattern being formed of a material that is semi-transmissive to light of a first wavelength and the substrate being substantially transparent to the light of the first wavelength such that the mask transmits about 2 to about 10% of the light of the first wavelength at the second phase shift pattern, and a first phase shift pattern on the substrate, the second phase shift pattern being disposed between the outermost perimeter of the substrate and the first phase shift pattern.. .

04/21/16
20160109732 

Oxide capacitor electro-optical phase shifter


An electro-optical phase shifter to be located in an optical waveguide may include a rib of a semiconductor material extending along a length of the optical waveguide and a control structure configured to modify a concentration of carriers in the rib according to a control voltage present between first and second control terminals of the phase shifter. The control structure may include a conductive layer covering a portion of the rib and electrically connected to a first of the control terminals.

04/21/16
20160109285 

Vibronic sensor


A method to determine and/or monitor at least one process variable of a medium with at least one vibration-capable unit. The vibration-capable unit is excited to mechanical vibrations by means of an electrical excitation signal of an adjustable frequency; wherein the mechanical vibrations are transduced into a received electrical signal, which is characterized at least by a frequency and/or a phase and/or an amplitude.

04/14/16
20160105302 

Method for communication via three orthogonal waveforms


Aspects of the present disclosure aim at providing three orthogonal waveforms that can be used for transmitting 3n bits (n bits from each waveform) at a given frequency. Such three orthogonal waveforms can be used in applications such as qam to create a 3-dimensional qam, along with use in other like applications such as in orthogonal frequency-division multiplexing (ofdm), quadrature phase shift keying (qpsk), binary phase shift keying (bpsk), among others.

04/14/16
20160105300 

Tone-phase-shift keying: a new modulation scheme for sc-fdma


A method of wireless communication by a user equipment includes determining an allocation of a set of tones in a symbol for conveying data. The method further includes determining to use m-ary phase shift keying (mpsk) to modulate the data onto a subset of tones of the set of tones.

04/14/16
20160105245 

Maximum likelihood sequence estimation of quadrature amplitude modulated signals


In a receiver of quadrature amplitude modulation (qam) signal, the received qam signal is divided into multiple quadrature phase shift keying (qpsk) symbol streams. A maximum likelihood symbol estimation (mlse) is performed on each qpsk symbol stream to recover information bits in the received qam signal.

04/14/16
20160105126 

Electric power conversion system


An electric power conversion system includes: a first battery; a second battery; an electric power converter including a plurality of switching elements, and configured to bidirectionally step up or step down electric power between an output line and each the first and second batteries in accordance with pwm signals; and a controller configured to control first and second step-up and step-down circuits by generating first and second pwm signals. The first and second step-up and step-down circuits are established between each first and second batteries and the output line.

04/14/16
20160105114 

Power circuit


A power circuit includes: first and second switching circuits coupled in parallel between an input terminal and an output terminal; a control signal generator that performs an on/off control of the first and second switching circuits individually and generates a first control signal and a second control signal having different phases; a frequency converter that converts a frequency of the first control signal after converting a frequency of the second control signal; and a phase shifter that shifts the phase of the second control signal when a first interrupt is introduced as the first control signal is turned on after the frequency converter has converted the frequency of the second control signal.. .



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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