|| List of recent Phase Shift-related patents
|Contactless method for determining the ray of a beam, corresponding system|
The invention relates to a method for measuring a ray r0 of a radiation beam (20), characterized in that it comprises the steps according to which a source (2) of a radiation beam (20) excites (s1) a standard member (1) via heat, in a periodic manner at a frequency (f), thereby obtaining a periodic thermal excitation of the standard member (1); a sensor (3) measures (s2) a periodic in thermal response on the part of the standard member, in response to the periodic thermal excitation; a processor (4) determines (s3) a phase shift (φ) between the periodic thermal excitation and the periodic thermal response; the source (2) exciting the standard member for a plurality of frequencies (f) and the processor (4) determining a phase shift for each frequency (f), and thereby determining a plurality of phase shifts (φ); the processor (4) determines (s4) a minimum φ min of the phase shift (φ) thanks to the plurality of phase shifts determined in this manner, and determines (s5) the ray r0 of the beam (20) via the following formula: r0=Δ/g(φmin) where Δ is the thickness of the standard member (1) and where g is a function dependent on the type of heat radiation beam (20).. .
|Transceiver, method, computer program and communication device|
A transceiver is disclosed comprising a transmitter; a receiver; and a signal transmission arrangement. The transmitter comprises a power amplifier, and the signal transmission arrangement is arranged to transmit signals provided from the transmitter through its power amplifier, and arranged to receive signals and provide them to the receiver.
|Circuit for the inductive heating of a metal|
The invention relates to a circuit for the inductive heating of a metal that is optionally embedded in a non-magnetic bed by means of a transformer. The transformer induces eddy currents in the metal as a function of an exciter current il and an exciter voltage ul and forms a load impedance xl together with the metal to be heated.
|Beamforming system and method for modular phased antenna array|
Generally, this disclosure provides systems and methods for modular antenna array beamforming with controllable antenna module delay for improved beam steering accuracy. A system may include a plurality of antenna modules, each of the antenna modules comprising an array of antenna elements coupled to an rf beamforming circuit, the rf beamforming circuit to adjust phase shifts associated with the antenna elements to generate an antenna beam associated with the antenna module; a delay circuit coupled to each of the antenna modules; and a central beamforming module coupled to each of the delay circuits, the central beamforming module to control the antenna beam associated with each of the antenna modules and further to adjust signal delays associated with the delay circuits, wherein the arrays of antenna elements of the antenna modules combine to operate as a composite antenna beamforming array..
|System and method for an optical coupler|
In one embodiment, an optical directional coupler includes an input terminal configured to receive an input optical signal and a first coupler optically coupled to the input terminal, where the first coupler has a first coupling length, and where the first coupler is configured to couple a first portion of the input optical signal to a first optical leg and a second optical portion of the input optical signal to a second optical leg. The optical directional coupler also includes the first optical leg, where the first optical leg is configured to phase shift the first portion of the optical signal to produce a first phase shift signal and the second optical leg, where the second optical leg is configured to phase shift the second portion of the optical signal to produce a second phase shift signal, and where the first phase shift signal has a phase difference relative to the second phase shift signal.
|Positive coefficient dynamic electro-optical phase shifter|
A semiconductor electro-optical phase shifter may include an optical action zone configured to be inserted in an optical waveguide, and a bipolar transistor structure configured so that, in operation, collector current of the bipolar transistor structure crosses the optical action zone perpendicular to the axis of the optical waveguide.. .
|Adaptive phase shift apparatus and method|
The invention discloses an adaptive phase shift method in a multi-carrier system, comprising: generating a group of one or more new phase values for corresponding one or more phase shift carriers, pscs, based on quantization phase values; calculating and comparing a backward maximum power in an evaluation path with the group of one or more new phase values in one timeslot and a forward maximum power in a working path with current phase values in the timeslot; and adjusting phase of the pscs based on the group of one or more new phase values if the calculated backward maximum power is less than the calculated forward maximum power. An adaptive phase shift apparatus is also disclosed.
|Demodulation in vamos receivers|
A desired signal and interfering signal are transmitted in the same timeslot and on the same frequency using an adaptive quadrature phase shift keying (aqpsk) modulated carrier. When the subchannel power imbalance ratio (scpir) for the aqpsk modulated carrier is large and favors the interfering signal, sic is used to cancel the interfering signal from the received signal.
|Optical object recognition system|
An optical object recognition system includes at least two beacons, an image sensor and a processing unit. The beacons operate in an emission pattern and the emission pattern of the beacons has a phase shift from each other.
|Electromagnetic wave propagation disruption device and method for producing same|
An electromagnetic wave propagation disruption device with a metamaterial structure including: a plurality of conductive elements arranged on a top face of a substrate; a plurality of interconnection networks electrically interconnecting at least some of these conductive elements, wherein these networks are not electrically connected to each other. At least two of these networks are dimensioned differently to each other, thus involving that distances between interconnected conductive elements are different from one network to another, to generate phase shifts, between the conductive elements interconnected thereby, different from one network to the other.
A system and method of calibrating an amplifier are presented. The amplifier has a first amplification path and a second amplification path.
|Hand-held test meter with time-multiplexed phase detection|
A hand-held test meter for use with an analytical test strip in determining an analyte in a fluid sample includes a housing retaining a microcontroller block and a phase-shift-measurement block. The measurement block includes a signal-generation sub-block that provides an excitation voltage signal; an interface sub-block that receives the analytical test strip and permits applying the voltage excitation signal to the test strip to provide a resultant current signal; a transimpedance conversion sub-block that receives the resultant current signal and provides a resultant voltage signal; and a phase detector responsive to the resultant voltage signal and a reference signal.
A sub-harmonic mixer comprising a mixer circuit with input ports for rf and lo signals, and an output port for the product of the signals at the input ports, and an lo switching stage with input ports for an lo signal and the lo signal phase shifted 180 degrees. The lo switching stage comprises a third input port to which the output port of the mixer circuit is connected and a first output port for the product of the signal at its third and first input ports, and a second output port for the product of the signal at the third and second input ports with the same amplitude as the first output signal 180 degrees phase shifted.
|System and method for an optical phase shifter|
In one embodiment, an optical phase shifter includes a first phase-shifter configured to phase shift a transverse electric (te) component of an optical signal by a first phase-shift to produce a te component of a first signal, and a transverse magnetic (tm) component of the optical signal by a second phase-shift to produce a tm component of the first signal. The optical phase-shifter includes a polarization-rotator configured to rotate the te component of the first signal to produce a tm component of a rotated signal, and the tm component of the first signal to produce a te component of the rotated signal.
|Differential phase tracking in the presence of unknown interference|
Example embodiments comprise a diversity receiver, and corresponding method, for measuring a differential phase between a first local oscillator of a first antenna and a second local oscillator of a second antenna in the presence of a primary interference signal and at least one secondary interference signal. The method may comprise receiving a primary communication signal, a primary reference signal and additional reference signals, and processing these signals such that a summation signal does not substantially comprise the at least one secondary interference signal.
|Half-duplex phased array antenna system|
In an exemplary embodiment, a phased array antenna comprises a bidirectional antenna polarizer and is configured for bidirectional operation. The bidirectional antenna polarizer may combine active implementations of power splitters, power combiners, and phase shifters.
A doherty amplifier has different drain voltages applied to the power transistors of the main and peaking stages. The impedance inverter comprises at least one first series phase shifting element between the output of the main amplifier and the doherty amplifier output and at least one second series phase shifting element between the output of the peaking amplifier and the doherty amplifier output.
|Optical unit and organic light emitting diode display having the same|
An optical unit on a light emitting unit includes a first polarizing plate on the light emitting unit, a second polarizing plate on the first polarizing plate, the second polarizing plate having a higher polarization degree than the first polarizing plate, and a plurality of phase shift plates between the first polarizing plate and the second polarizing plate.. .
|Three-dimensional hot spot localization|
A non-destructive approach for the 3d localization of buried hot spots in electronic device architectures by use of lock-in thermography (lit). The 3d analysis is based on the principles of thermal wave propagation through different material layers and the resulting phase shift/thermal time delay.
|Method 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..
|Method 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.
|Dual 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.
|Static 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..
|Ultra-responsive phase shifters for depletion mode silicon modulators|
A novel phase shifter design for carrier depletion based silicon modulators, based on an experimentally validated model, is described. It is believed that the heretofore neglected effect of incomplete ionization will have a significant impact on ultra-responsive phase shifters.
|Clock 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.
|Method 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.
|Composite 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.
|Apparatus 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.
|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.
|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.
|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.
|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.
|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..
|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.. .
|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..
|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..
|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.. .
|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.
|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.
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.
|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.
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.
|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.
|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.. .
|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..
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..
|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.. .
|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.
|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.
|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.
|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.. .
|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.. .
|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.
|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.
|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.
|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).
|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.. .
|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.. .
|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).
|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).
|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.
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..
|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.
|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.. .
|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).. .
|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.
|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..
|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.
|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.. .
|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.
|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.
|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.