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Phase Shift patents



      
           
This page is updated frequently with new Phase Shift-related patent applications. Subscribe to the Phase Shift RSS feed to automatically get the update: related Phase RSS feeds. RSS updates for this page: Phase Shift RSS RSS


Method of manufacture of a passive high-frequency image reject mixer

Method of manufacture of a passive high-frequency image reject mixer

Dual static electro-optical phase shifter having two control terminals

Dual static electro-optical phase shifter having two control terminals

Dual static electro-optical phase shifter having two control terminals

Static electro-optical phase shifter having a dual pin junction

Date/App# patent app List of recent Phase Shift-related patents
11/20/14
20140343742
 Method for determining a power consumption in an electric installation and alternating current electric installation patent thumbnailMethod for determining a power consumption in an electric installation and alternating current electric installation
A group including a plurality of individual distribution branches connected in parallel is connected to an alternating-current power supply. A method includes: a) detection of a change in the electrical consumption of one specific branch among the branches; and b) determination of individual power consumption of the specific branch, based on a measurement of the total voltage, which is substantially constant during the change, measurements of intensity and phase shift values of the total current before and after the change, and measurements of intensities of individual current in the specific branch before and after the change..
11/20/14
20140342684
 Method of manufacture of a passive high-frequency image reject mixer patent thumbnailMethod of manufacture of a passive high-frequency image reject mixer
A passive implementation of an image reject mixer (irm), capable of operating at very high frequency, is manufactured in a variety of silicon processes. The irm comprises a quad mos multiplier and a lumped-element hybrid, resulting in a passive irm, operative at radio frequencies (rf) of tens of ghz with an intermediate frequency (if) of several ghz.
11/20/14
20140341499
 Dual static electro-optical phase shifter having two control terminals patent thumbnailDual static electro-optical phase shifter having two control terminals
A semiconductor electro-optical phase shifter comprises a central zone (i1, i2) having a minimum doping level; first and second lateral zones (n+, p+) flanking the central zone along a first axis, respectively n and p-doped, so as to form a p-i-n junction between the first and second lateral zones. The central zone comprises first and second optical action zones (i1, i2) separated along the first axis.
11/20/14
20140341498
 Static electro-optical phase shifter having a dual pin junction patent thumbnailStatic electro-optical phase shifter having a dual pin junction
A semiconductor electro-optical phase shifter may include a first optical action zone having a minimum doping level, a first lateral zone and a central zone flanking the first optical action zone along a first axis, doped respectively at first and second conductivity types so as to form a p-i-n junction between the first lateral zone and the central zone. The phase shifter may include a second optical action zone having a threshold doping level, and a second lateral zone flanking the second optical action zone with the central zone along the first axis doped at the first conductivity type so as to form a p-i-n junction between the second lateral zone and the central zone..
11/20/14
20140341497
 Ultra-responsive phase shifters for depletion mode silicon modulators patent thumbnailUltra-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.
11/20/14
20140341328
 Clock reproducing and timing method in a system having a plurality of devices patent thumbnailClock reproducing and timing method in a system having a plurality of devices
A system includes a memory controller and a plurality of semiconductor devices that are series-connected. Each of the devices has memory core for storing data.
11/20/14
20140341236
 Method and apparatuses for algorithm on qam coherent optical detection patent thumbnailMethod and apparatuses for algorithm on qam coherent optical detection
Blind polarization demultiplexing algorithms based on complex independent component analysis (ica) by negentropy maximization for quadrature amplitude modulation (qam) coherent optical systems are disclosed. The polarization demultiplexing is achieved by maximizing the signal's non-gaussianity measured by the information theoretic quantity of negentropy.
11/20/14
20140340950
 Composite ac-to-dc power converter with boosting capabilities using t configuration patent thumbnailComposite ac-to-dc power converter with boosting capabilities using t configuration
A boosting ac-to-dc converter an ac-to-dc converter may include a main rectifier, a first auxiliary rectifier, a second auxiliary rectifiers and a transformer assembly. The transformer assembly may include a set of primary windings arranged in a first multiphase configuration and connected to the main rectifier, a first set of secondary windings arranged in a second multiphase relationship and connected to the first auxiliary rectifier and a second set of secondary windings arranged in a third multiphase configuration and connected to the second auxiliary rectifier.
11/20/14
20140340733
 Apparatus and method for high-speed phase shifting for interferometric measurement systems patent thumbnailApparatus and method for high-speed phase shifting for interferometric measurement systems
Described are a method and apparatus for high-speed phase shifting of an optical beam. A transparent plate having regions of different optical thickness is illuminated by an optical beam along a path of incidence that extends through the regions.
11/20/14
20140340720
 Oscillation device, scanning-type scanner device, information terminal, phase-shift amount adjustment device, and phase-shift amount adjustment method patent thumbnailOscillation 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.
11/20/14
20140340665
Ultraviolet light emitting diode array light source for photolithography and method
A light source includes a plurality of ultraviolet (uv) light emitting diodes (leds) and an led phase shift controller coupled to the plurality of uv leds adapted to control the phase shift of each uv led in the plurality of uv leds. The plurality of uv leds forms a uv led array.
11/20/14
20140340260
Digital beamforming antenna and datalink array
A method and system for beamforming a multi-element array using time delays is provided. The array includes transmit array elements and receive array elements.
11/20/14
20140340047
System and method for controlling an energy storage device
The invention relates to a method for controlling an energy storage device that comprises n output connections, wherein n≧2, for producing a supply voltage at each of the output connections, and n energy supply branches, which are each coupled to one of the output connections, wherein each of the energy supply branches comprises a plurality of series-connected energy storage modules that each comprise an energy storage cell module comprising at least one energy storage cell, and a coupling device having coupling elements in a full bridge circuit that is designed to connect or bridge the energy storage cell module selectively in the respective energy supply branch. The method according to the invention comprises the following steps: for a number k of energy storage modules of at least one first energy supply branch, generating a first pulse width modulated control signal for controlling the coupling devices of the respective energy storage modules by comparing a first target value signal with a number 2k first periodic reference signals having a pulse period t, which signals each have a phase shift of t/2k relative to the adjacent first reference signals; and, for a number k of energy storage modules of at least one second energy supply branch, generating a second pulse width modulated control signal for controlling the coupling devices of the respective energy storage modules by comparing a second target value signal with a number 2k of second periodic reference signals having the pulse period t, which each have a phase shift of t/2k relative to the adjacent second reference signals.
11/13/14
20140337397
Generating a signal
A method for generating a signal for a transmission antenna in a magnetic resonance imaging system includes generating a real part and an imaginary part of a baseband signal, generating a real part and an imaginary part of variations in frequency and in phase, and performing a complex multiplication of the baseband signal with the variations in frequency and in phase and a radiofrequency carrier signal for modulation. The method also includes modifying the modulated signal, and may include establishing a characteristic angle for a phase shift of the modified signal, and correcting the modulation based on the established angle in a closed-loop control..
11/13/14
20140336972
Method of compensating frequency drift in an interferometer
A method of compensating for frequency drift of a reference energy source in an ft interferometer based spectrometer instrument, the method further comprising comparing in an arithmetic unit data representing a reference interferogram and data representing a target interferogram to determining a phase shift between the interferograms in a window w in at least one region away from center-burst and generating in the arithmetic unit a mathematical transform dependent on the determined shift or shifts to be subsequently applied to control the operation of the spectrometer instrument in order to generate data representing a frequency stabilized interferogram of an unknown sample recorded by the ft interferometer.. .
11/13/14
20140334560
Receiving device, signal processing device, and signal processing method
A receiving device according to the present invention includes: a receiver for receiving an ofdm symbol that is modulated by phase shift keying; an fft processor for applying an fft process to the received ofdm symbol to obtain a subcarrier signal; a demapping unit for demapping the subcarrier signal to generate a bit string; a norm calculator for calculating the norm of the subcarrier; a weighting factor generator for generating a weighting factor by taking the statistics of the calculated norm; and a weighting unit for obtaining a soft decision value by weighting the bit string after demapping, based on the particular weighting factor. Thus, the receiving device can obtain a soft decision value to achieve good decoding performance with a small number of known signals and processes..
11/06/14
20140328601
Optical modulator and method of encoding communications traffic in a multilevel modulation format
An optical modulator is described, comprising—an optical splitter to receive an optical carrier signal and split it into sub-signals; modulation assemblies, each comprising a binary optical modulator to apply a binary phase shift keyed, (bpsk) modulation to a respective optical sub-signal to form a bpsk modulated optical sub-signal. Modulation assemblies comprise a phase-shifter, each to apply a phase shift to the respective bpsk modulated optical sub-signal in dependence on a pre-selected modulation format; an encoding apparatus to receive communications traffic, to map into symbols, and to generate and transmit a respective drive signal to the optical modulator of a modulation assembly, each drive signal to cause the optical modulator to apply said bpsk modulation, to encode the symbols onto the respective optical carrier sub-signal; and a combiner to receive each bpsk modulated optical sub-signal to form an output optical signal having said multilevel modulation format..
11/06/14
20140327397
Method for the contactless charging of the battery of an electric automobile
A method for contactless charging of the battery of an electric automobile by magnetic induction using a transmitter coil of a charging device and a receiver coil of the vehicle, the method including: controlling a power supply of a converter, at terminals of which the transmitter coil is connected, according to a variable frequency; measuring, in an analog circuit, a value of a current and of a voltage at the terminals of the transmission coil; calculating a phase shift between the current and the voltage; converting the phase shift into a digital value; and locking the variable frequency of the converter to the phase-shift value by digital processing.. .
11/06/14
20140326878
Phase shift method for a tem
A method of electron microcopy passes an electron beam through a phase plate, specifically a zernike type phase plate, comprising a central hole, and a thin film causing a phase shift of the electrons passing through said film. This phase shift causes the contrast transfer function (ctf) to change from a sine-like function to a cosine-like function.
11/06/14
20140326876
Method of using a phase plate in a transmission electron microscope
The invention relates to a method of using a phase plate, having a thin film, in a transmission electron microscope (tem), comprising: introducing the phase plate in the tem; preparing the phase plate by irradiating the film with a focused electron beam; introducing a sample in the tem; and forming an image of the sample using the prepared phase plate, wherein preparing the phase plate involves locally building up a vacuum potential resulting from a change in the electronic structure of the thin film by irradiating the phase plate with a focused beam of electrons, the vacuum potential leading to an absolute phase shift 10 with a smaller value than at the non-irradiated thin film. Preferably the phase plate is heated to avoid contamination.
10/30/14
20140321577
Phase interpolator
A phase interpolator is provided. The phase interpolator includes a plurality of capacitors, a first input for a clock signal, a second input for a phase shift clock signal and an output.
10/30/14
20140321516
Transceiver iq calibration system and associated method
Local oscillator (lo) in-phase/quadrature (iq) imbalance correction data are generated for one or both of the transmitter and receiver of a radio-frequency (rf) communication device. An rf transmitter output signal is generated by the transmitter from a known test signal and transmitted to the receiver, where a baseband receiver signal is produced.
10/30/14
20140321515
Phase interpolator
A phase interpolator is provided. The phase interpolator includes a plurality of capacitors, a first input for a clock signal, a second input for a phase shifted clock signal, a reference input for a reference signal, and an output.
10/30/14
20140321514
Synchronous data system and method for providing phase-aligned output data
Embodiments of a synchronous data system and method for generating phase-aligned output data are generally described herein. In some embodiments, the synchronous data system includes a plurality of transmitter-receiver (tx-rx) pairs, each associated with a delay-locked loop (dll) and arranged to generate corresponding output data stream based on a high-speed clock of the associated tx-rx pair.
10/30/14
20140320964
Anti-reflecting covering structure with a diffraction grating using resonant elements
A diffractive device for fitting to a façade of a building, or to any other reflective wall, exposed to electromagnetic radiation emitted by a source located at a distance from the building, the device including a plurality of tubular resonant elements arranged on the façade of the building, where the resonant elements are arranged in a substantially parallel manner on the façade of the building in such a way as to form a diffraction grating and are oriented in a substantially perpendicular direction to the plane defined by the propagation vectors of the incident and reflected electromagnetic waves, each resonant element being configured to form an lc resonator capable of re-radiating a wave corresponding to the incident wave affected by a phase shift; the set of resonant elements being arranged in such a way that the incident wave is diffracted in a preferential direction.. .
10/30/14
20140320414
Three-dimensional imaging and display system
A three-dimensional imaging and display system is provided in which user input is optically detected in an imaging volume by measuring the path length of an amplitude modulated scanning beam as a function of the phase shift thereof. Visual image user feedback concerning the detected user input is presented..
10/30/14
20140320371
Antenna device
An antenna device includes an input/output portion for a high frequency signal to be input or output, a distributing portion for distributing the high frequency signal input to the input/output portion into a plurality of high frequency signals, a phase shifting portion for imparting the plurality of high frequency signals with a predetermined amount of phase shift, and a feeding portion for feeding a plurality of antenna elements with the plurality of high frequency signals imparted with the predetermined amount of phase shift to cause the plurality of antenna elements to radiate the plurality of high frequency signals. The feeding portion is configured as a triplate line with a center conductor placed between one pair of parallel plate shaped outer conductors..
10/30/14
20140320345
Distributed feeding device for antenna beamforming
A distributed feeding device for antenna beamforming comprises a first distributed feeding circuit comprising p inputs and n outputs, for producing a signal on each of its outputs with a phase shift which is substantially constant between two adjacent outputs, at least one frequency multiplexer connected to at least one input of the said first circuit, a number n of frequency demultiplexers each connected, by their input, to an output of the first circuit and a second distributed feeding means comprising a plurality of inputs, each connected to an output of one of the frequency demultiplexers, and a plurality of outputs, the second distributed feeding means comprising at least one second distributed feeding circuit comprising q inputs and m outputs, for producing a signal on each output with a phase shift which is substantially constant between two adjacent outputs, the integers p, n, q and m being equal or distinct.. .
10/30/14
20140320240
Active attenuator keeping saturated output power for reduced input power
An active attenuator is disclosed. The attenuator includes a divider to divide an input signal into two signals, a phase shifter to shift a phase of one of output signals of the divider, and a combiner to combine an output of the phase shifter with another of output signals of the divider.
10/30/14
20140320238
Coupled line system with controllable transmission behaviour
The invention relates two lines each with two terminals. A first line provides a first terminal and a second terminal.
10/30/14
20140318247
Apparatus and method for assessing percutaneous implant integrity
Provided is an apparatus for assessing interface integrity between a medium and an implant. A first signal is translated from a motion of an impact body during impact with an abutment connected to the implant.
10/23/14
20140315500
Millimeter wave phase shifters using tunable transmission lines
Tunable phase shifters and methods for using the same include a signal line; one or more grounding lines; one or more crossing lines below the signal line in proximity to the signal line and substantially perpendicular to a longitudinal direction of the signal line, where the crossing lines conform to the shape of the signal line along at least three surfaces of the signal line and where the crossing lines have a tunable capacitance; and an inductance return line below the crossing lines substantially parallel to the longitudinal direction of the signal line, where the inductance return line provides a tunable inductance.. .
10/23/14
20140313947
Wireless communication unit, radio frequency module and method therefor
A wireless communication unit includes at least one antenna port; a transmitter and a receiver operably coupled to the at least one antenna port via a duplexer; wherein the duplexer includes a dynamically reconfigurable phase shift network that includes: at least one tunable radio frequency (rf) component; and at least one switch operably coupled to the tunable rf component and controllable to reconfigure the dynamically reconfigurable phase shift network to selectively support both normal and reverse duplexer modes of operation for rf signals passing there through.. .
10/23/14
20140313800
Balanced flux isolation transformer based eighteen pulse rectification scheme for use with variable frequency drives
An ac/dc converter system comprises an input circuit for connection to a three-phase ac source. An isolation transformer comprises a symmetrical core with a set of primary windings and first and second sets of secondary windings wound on the symmetrical core providing balanced flux in all three phases and magnetically coupling to the set of primary windings.
10/23/14
20140313095
Antenna apparatus, base station and communications system
Embodiments of the present invention provide an antenna apparatus, a base station and a communications system. The antenna apparatus includes: an antenna part, including a common radome; an active part, connected to the antenna part and including at least one active module, where each active module includes at least one antenna element, and an element reflector and a phase shifter and a radio frequency module that are corresponding to each antenna element, where the element reflector of the at least one active module is configured to implement an antenna function; and a common part, connected to the active part and the antenna part, and shared by the at least one active module in the active part, where the common part includes at least one common module.
10/23/14
20140312962
Capacitive switch having high accuracy
There is provided a capacitive switch including a drive circuit, a detection circuit, a reference circuit and an identification unit. The drive circuit inputs identical drive signals to the detection circuit and the reference circuit.
10/23/14
20140312717
Ironless magnetic linear motors having levitating and transversal force capacities
A ironless magnetic motor (21-23) employs a magnetic track (30) and a forcer (40). The forcer (40) is orientated in relations to a magnetic field (β) across a linear air gap of the magnetic track (30) to generate a drive force (fx) parallel to the x drive axis and orthogonal to the z levitation axis in response to a commutation drive current (ix) and to generate a force (fz, fy) orthogonal to the x drive axis in response to a commutation coil current (iz, iy) being superimposed on and phase shifted from the commutation drive current (ix).
10/23/14
20140311255
Single straight tube flowmeter and method of flow measurement
A single straight tube flowmeter has a body; a tube through which a flow of fluid passes; two systems of excitation of oscillations in two planes which are perpendicular to one another and including adaptor units; a block of processing of information data including a phase shift of the adaptors located in one plane, frequency of oscillations of the tube, and temperatures of the tube and the body and outputting results of measurement of a mass flow rate and density of the fluid; and components for imparting to the tube a rotary motion relative to its neutral immovable position to increase accuracy of measurements by suppressing vibration disturbances.. .
10/16/14
20140307825
Digital polar modulator for a switch mode rf power amplifier
A digital polar modulator (dpm) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.. .
10/16/14
20140307774
Re-sampling with phase offset adjustment for luma and chroma to signal adaptive filters in scalable video coding
A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (bl) in a multi-layer system using adaptive phase shifting to improve quality in scalable high efficiency video coding (shvc).
10/16/14
20140307773
Re-sampling with phase offset adjustment for luma and chroma to select filters in scalable video coding
A sampling filter process is provided for scalable video coding. The process provides for re-sampling using video data obtained from an encoder or decoder process of a base layer (bl) in a multi-layer system using adaptive phase shifting to improve quality in scalable high efficiency video coding (shvc).
10/16/14
20140307609
Multimedia broadcast multicast services via multiple transmit antennas
A radio frequency equipment to transmit multimedia broadcast multicast services (mbms) signals includes a precoding circuit and an antenna array. The precoding circuit is configured to generate a first precoded mbms signal and a second precoded mbms signal, and the antenna array is configured to broadcast the first and second precoded mbms signals.
10/16/14
20140307497
Multilevel inverter
A multilevel inverter having an efficient structure is provided, the multilevel inverter including a modularized phase-shift transformer including a plurality of modules to provide a phase shifted voltage by receiving a 3-phase input voltage, a plurality of first group unit power cells configured to provide an output voltage of predetermined phase, a plurality of second group unit power cells configured to provide an output voltage of predetermined phase, a plurality of third group unit power cells configured to provide an output voltage of predetermined phase. One of the first group unit power cells, one of the second group unit power cells and one of the third group unit power cells are paired to provide an output voltage of same phase..
10/16/14
20140305213
Apparatus and methods for time domain measurement using phase shifted virtual intervals
Systems and methods for perturbation analysis of harmonic oscillations in the time domain according to several embodiments can include a time domain switching sensor and a resonator for imposing a first oscillation and a second oscillation on the sensor. The first and second oscillations can have the same amplitude a and period p, but can have a known phase shift.
10/16/14
20140305205
Self-oscillation circuit and method thereof
The self-oscillation circuit includes: a gyroscope sensor receiving a driving signal at its input terminal to resonate with and output it; a sensor driver outputting the driving signal for driving the gyroscope sensor; a phase shifter receiving a signal from the gyroscope sensor and shifting a phase of the received signal; and a time delay unit receiving the shifted signal from the phase shifter and delaying it for a predetermined time period, and then feeding the delayed signal back to the sensor driver.. .
10/09/14
20140302937
Torsional vibration damper assembly, in particular for the drive train of a motor vehicle
A torsional vibration damping arrangement, particularly for the drivetrain of a vehicle, includes an input region (12) to be driven in rotation around an axis of rotation (a) and an output region (20), wherein a first torque transmission path (14) and parallel thereto a second torque transmission path (16) and a coupling arrangement (18) for superposing the torques conducted via the torque transmission paths (14, 16) are provided between the input region (12) and the output region (20), wherein a phase shifter arrangement (26) is provided in the first torque transmission path (14) for generating a phase shift of rotational irregularities conducted via the first torque transmission path (14) relative to rotational irregularities conducted via the second torque transmission path (16), and wherein the coupling arrangement (18) includes a coupling lever arrangement (54; 54a).. .
10/09/14
20140302806
Unidirectional sampling mixer
A unidirectional sampling mixer utilizes a stepped phase modulation to shift the frequency of an input signal. An rf input signal is supplied to an rf input switch from an rf input port.
10/09/14
20140302679
Phase shift mask, method of forming asymmetric pattern, method of manufacturing diffraction grating, and method of manufacturing semiconductor device
A technique of forming an asymmetric pattern by using a phase shift mask, and further, techniques of manufacturing a diffraction grating and a semiconductor device, capable of improving accuracy of a product and capable of shortening manufacturing time. In a method of manufacturing a diffraction grating by using a phase shift mask (in which a light shield part and a light transmission part are periodically arranged), light emitted from an illumination light source is transmitted through the phase shift mask, and a photoresist on a surface of a si wafer is exposed by providing interference between zero diffraction order light and positive first diffraction order light which are generated by the transmission through this phase shift mask onto the surface of the si wafer, and a diffraction grating which has a blazed cross-sectional shape is formed on the si wafer..
10/09/14
20140302427
Mask layout patterns for closely spaced primitives in phase shift photolithography masks
Improved mask layout patterns are described for closely spaced primitives in phase shift photolithography masks. In one example, at least a portion of a photolithography mask layout is decomposed into primitives.
10/09/14
20140301743
Light receiving device and light receiving method
A light receiving device includes: a converter digitalizing an analog signal with a given sampling clock frequency, the analog signal being obtained through a photoelectric conversion of a received optical signal; a plurality of fixed distortion compensators compensating an output signal of the converter for waveform distortion with a fixed compensation amount that is different from each other; a plurality of phase shift detector circuits detecting a sampling phase shift from an output signal of the plurality of the fixed distortion compensators; a phase-adjusting-amount determiner determining a sampling phase adjusting amount with use of an output signal of the plurality of the phase shift detector circuits; and a phase adjusting circuit reducing a phase difference between the sampling clock frequency and the received optical signal based on a determination result of the phase-adjusting-amount determiner.. .
10/09/14
20140301516
Orthogonal transform error corrector
A phase adjuster arranges phases of waveforms of a complex signal after orthogonal transform. An edge detector detects an edge of the complex signal after phase adjustment.
10/09/14
20140300432
Branching circuit and rf circuit module
A branching circuit includes a transmission filter and a reception filter. The transmission filter is connected between a transmission signal input terminal and an antenna connection terminal.
10/09/14
20140300425
Electro-mechanical resonance loop
The invention relates to a controller, and more particularly, to systems, devices and methods of controlling a sensor having a resonating mass. The controller includes: an analog-to-digital converter (adc) unit for extracting a digitized sensor signal from the sensor signal; a phase controller for generating, based on the digitized sensor signal, a phase-controlled signal that is locked in phase with the digitized sensor signal; an amplitude controller for applying a gain to the digitized sensor signal to thereby generate an amplitude-adjusted signal; a modulator for modulating the amplitude-adjusted signal to thereby generate a modulated signal; and a phase shifter for shifting the phase of the modulated signal by 90 degrees.
10/09/14
20140299288
Arrangement and method for flow control of molten metal in a continuous casting process
An arrangement for a continuous casting process. The arrangement includes a vessel having a first opening for receiving molten metal in the vessel, a second opening for discharging the molten metal from the vessel, and a body extending between the first opening and the second opening, a first magnetic arrangement attached to the body, the first magnetic arrangement having a magnetic core with legs, and coils arranged around the legs, and a power system configured to provide an alternating current superimposed on a carrier current to each of the coils, each pair of alternating current and carrier current provided to a coil forming a flow control current, wherein flow control currents provided to adjacent coils are phase shifted relative each other, thereby creating a travelling magnetic field in molten metal in the vessel.
10/09/14
20140298922
Torque sensor
A torque sensing device includes a rotating component configured to rotate about an axis of rotation and a first sensor positioned adjacent to the rotating component to sense instantaneous angular position of the rotating component at a first location. A second sensor is positioned adjacent to the rotating component radially inboard of the first sensor to sense instantaneous angular position of the rotating component at a second location.
10/02/14
20140294401
Optical transmitter and method thereof
An optical transmitter including an optical modulator comprising a first modulator and a second modulator connected in parallel to each other in the form of a mach-zehnder interferometer, and a phase shifter connected to the second modulator in series, a high-speed generator configured to generate a single carrier signal or multi-carrier signals and apply the generated single carrier signal or multi-carrier signals to the optical modulator, and an output stabilizer configured to stabilize a final output optical signal of the optical modulator by controlling a bias of each of the first modulator, the second modulator and the phase shifter.. .
10/02/14
20140294038
Method for detecting heat generation points and device for detecting heat generate points
A heat generation point detection method comprises: step of stabilizing an average temperature of a surface of an integrated circuit s; steps of applying a bias voltage of a low frequency to the integrated circuit s and acquiring a heat generation detection signal detected from the integrated circuit s in response thereto; steps of supplying a bias voltage of a high frequency and acquiring a heat generation detection signal detected in response thereto; steps of detecting a phase shift between the bias voltage of the low frequency and the heat generation detection signal and a phase shift between the bias voltage of the high frequency and the heat generation detection signal; and step of calculating a change rate of the phase shift against a square root of the frequency of the bias voltage, and obtaining depth information of the heat generation point from the change rate.. .
10/02/14
20140293416
Stereoscopic light recycling device
A stereoscopic device for recapturing light is provided. A chassis is open on front and back sides and forms a rectangular housing with top, bottom, and two sides that frame the front and back openings.
09/25/14
20140287697
Radiation redirecting elements for portable communication device
An antenna or set of antennae for a wireless device is provided by embedding the antennae into the battery case or generally the surface area of a wireless phone. The antenna connections are through the battery's connections to the wireless device.
09/25/14
20140286647
Method and system for a low-voltage integrated silicon high-speed modulator
Methods and systems for a low-voltage integrated silicon high-speed modulator may include an optical modulator comprising first and second optical waveguides and two optical phase shifters, where each of the two optical phase shifters may comprise a p-n junction with a horizontal section and a vertical section and an optical signal is communicated to the first optical waveguide. A portion of the optical signal may then be coupled to the second optical waveguide.
09/25/14
20140286202
Beamforming with phase compensation
A method and a base station for phase compensation in beamforming in a multi-antenna time division duplex (tdd) communication network. In a first transmission mode, the base station estimates a first phase shift between a first antenna port and a reference antenna port in uplink based on a measurement of a first sounding reference signal (srs).
09/25/14
20140285357
System and method for analyzing the energy consumption of electric loads in a consumer network
The method for analyzing and displaying the energy consumption of electric loads according to the invention comprises, in principle, the following steps: providing at least one consumer network comprising a plurality of interconnected electric loads; sampling the total current, voltage and phase shift of the consumer network with a sampling rate of less than 5 hz; transmitting the sampled measured data through the internet to a means for load recognition; receiving the sampled measured data through the internet by the means for load recognition; determining individual loads in the measured data by the means for load recognition, comprising: determining temporal regularities of individual loads by means of a spectral analysis of the measured data, and/or generating load models for individual loads by modelling individual phenomena in the measured data by means of classifiers, and visualizing the energy consumption in the consumer network.. .
09/25/14
20140285284
Broadband butler matrix device
A broadband butler matrix device includes a 90° branch-line hybrid coupler having an input terminal provided at one side thereof and configured to receive an input signal through the input terminal, and distribute and output the received signal such that the distributed signals have a phase difference of 90°. Further, the broadband butler matrix device includes a 45° broadband phase shifter configured to change the phases of the signals outputted through the 90° branch-line hybrid coupler, using an open and short stub having an electrical length of 45°..
09/25/14
20140285282
Power dividing phase shifter
A power divider phase shifter is a structure of a hybrid ring formed of a power divider ring and two coupling rings. The input end of the power divider ring serves as the input of the power dividing phase shifter, while the output end of the power divider ring is connected with two parallel coupling rings, the output end of which each serves as the output of the power divider phase shifter..
09/25/14
20140285276
Modulating device and modulation method
A modulating device including: a first convertor configured to generate a converted analog signal by analog conversion on a input digital signal, a modulator configured to generate a modulated signal by quadrature modulation, a phase shifter configured to generate a phase shift signal by phase rotation, a demodulator configured to generate a demodulated signal by quadrature demodulation, a second convertor to generate a converted digital signal by digital conversion, a calculating circuit configured to estimate a the first direct current offset based on the input digital signal and the converted digital signal, the first direct current offset being a noise of digital current component generated between the input digital signal inputted to the first convertor and the output signal inputted to the demodulator, and a correcting circuit configured to correct at least one among from the input digital signal to the output signal based on the first direct current offset.. .
09/25/14
20140285270
Electronic oscillation circuit
An electronic oscillator circuit has a first oscillator, for supplying a first oscillation signal, a second oscillator, for supplying a second oscillation signal, a first controller for delivering the first control signal as a function of a phase difference between a first controller input and a second controller input of the first controller; a second controller for delivering the second control signal as a function of a phase difference between a first controller input of the second controller and a second controller input of the second controller; a resonator; at least a second resonance frequency, with a first phase shift dependent on the difference between the frequency of a second exciting signal and the second resonance frequency and processing means, for receiving the first oscillator signal and the second oscillator signal, determining their mutual proportion, looking up a frequency compensation factor in a prestored table and outputting a compensated oscillation signal.. .
09/25/14
20140285197
Method and magnetic resonance system for magnetic resonance thermometry
In magnetic resonance (mr) thermometry, first and second magnetic resonance data that are acquired sequentially, from which a phase shift is determined between a measurement phase and a reference phase. In a first region of an examined person, the measurement phase is determined from the second magnetic resonance data and the reference phase is determined from the first magnetic resonance data.


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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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