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Signal Processing patents

      

This page is updated frequently with new Signal Processing-related patent applications.




 Signal processing device for distributed antenna system patent thumbnailSignal processing device for distributed antenna system
A signal processing device according to an exemplary embodiment of the inventive concept can integrate a power amplifier, a duplexer, and a linearizer as a module to improve the convenience of management and to improve flexibility and extensibility so as to be transformable corresponding to a change in system development concept.. .
Solid, Inc.


 Device and  no-signal processing of television and smart television patent thumbnailDevice and no-signal processing of television and smart television
Disclosed are a device and method for no-signal processing and a smart television. The method for no-signal processing of a television includes: sending a request for obtaining program list information to a network side when a first program that is being played by a television shows “no signal state”, the request at least carries identification information of the first program that is played by the television before no signal; receiving and displaying the program list information sent by the network side, the program list information is program information determined by the network side according to the identification information and related to the first program that is played by the television before no signal; and determining a target program in the program list information selected by a user, or selecting the target program in the program list information according to a selecting strategy, and switching to and playing the target program..
Hisense Electric Co., Ltd.


 Transport apparatus and transport method patent thumbnailTransport apparatus and transport method
A transport apparatus includes: a client signal transceiving unit which transceives a client signal; a line signal transceiving unit which performs electric-optic conversion on a line signal to be transmitted, transmits an optical line signal, performs optic-electric conversion on a received line signal, and outputs an electrical line signal; and a plurality of signal processing units which perform signal processing on the client signal to generate the line signal to be transmitted and perform signal processing on the electrical line signal to generate the client signal. Each of the plurality of signal processing units includes a signal transceiving unit which performs transfer of a branched signal obtained by branching a signal to be transmitted and a merged signal obtained by merging received signals with another signal processing unit, and the signal transceiving unit of each of the plurality of signal processing units and the signal transceiving unit of the other signal processing unit are coupled via an inter-chip wiring..
Nippon Telegraph And Telephone Corporation


 Optical-transceiver control circuit, optical network system, and output control  optical-transceiver patent thumbnailOptical-transceiver control circuit, optical network system, and output control optical-transceiver
This invention solves the problem that, if a loss of signal or other anomaly occurs on a line side, intermittent problems occur in a signal outputted to a client side, resulting in trouble with subsequent signal processing. This optical-transceiver control circuit comprises a signal-generating means for generating a dummy signal that has approximately the same characteristics as an electrical signal generated from an optical signal inputted to an optical transceiver, a switching means for receiving an electrical signal and selecting and outputting either the received electrical signal or the generated dummy signal, and a controlling means for changing the signal selected by the switching means from the electrical signal to the dummy signal if a notification indicating an anomaly in the optical signal is inputted..
Nec Corporation


 Signal processing method, transmitter, and compressive sampling receiving device patent thumbnailSignal processing method, transmitter, and compressive sampling receiving device
Embodiments provide a signal processing method, a transmitter, and a compressive sampling receiving device. The method includes: obtaining a periodic pseudo random sequence used when a compressive sampling receiving device performs frequency mixing.
Huawei Technologies Co., Ltd.


 Wireless communications device and wireless signal processing method patent thumbnailWireless communications device and wireless signal processing method
A wireless communication device including: a mixer configured to generate two mixed signal in a lower frequency band than a frequency of a local signal and two mixed signals in a higher frequency band than the frequency of the local signal by mixing the local signal with two intermediate frequency signals, and a filter configured to pass one of the two mixed signal in the lower frequency band and one of the two mixed signal in the higher frequency band.. .
Fujitsu Limited


 High-frequency electric power system signal processing system patent thumbnailHigh-frequency electric power system signal processing system
The present disclosure pertains to systems and methods for obtaining and processing high-frequency electric power system measurements for control and monitoring of an electric power system. High-frequency measurements may be used to detect traveling waves and/or to detect faults in the electric power system.
Schweitzer Engineering Laboratories, Inc.


 Image signal processing circuit and display device including the same patent thumbnailImage signal processing circuit and display device including the same
A signal processing circuit includes an input gamma adjuster configured to adjust gamma characteristics of an image signal and to output a gamma adjustment image signal, an image signal processor configured to generate a scaling signal corresponding to image characteristics of the gamma adjustment image signal and to convert the gamma adjustment image signal into an intermediate data signal in response to the scaling signal, and an output gamma adjuster configured to convert the intermediate data signal into a data signal on a basis of a first lookup table corresponding to a first gamma curve, a second lookup table corresponding to a second gamma curve, and the scaling signal.. .
Samsung Display Co., Ltd.


 Method and system for fall detection patent thumbnailMethod and system for fall detection
The present disclosure provides a method and a system for fall detection. Measurement signals are received from a plurality of sensors to monitor user activities, the plurality of sensors including a motion sensor for collecting motion information and a biomedical sensor for collecting physiological information.
Micron Electronics Llc


 Zero-watermarking registration and detection  hevc video streaming against requantization transcoding patent thumbnailZero-watermarking registration and detection hevc video streaming against requantization transcoding
A zero-watermarking registration and detection method for hevc video streaming against requantization transcoding is provided. To increase an attack-resistance of a registration watermarking, the registration method firstly processes depth values corresponding to respective brightness blocks in a target video streaming with a depth binarization during constructing registration watermarking information through depth features, because the depth binarization well reflects a robustness of the registration watermarking.
Ningbo University


System and methods for characterizing a fabric or material

Embodiments of the inventive apparatus, including the associated data collection and processing methods, may be used to measure and evaluate various characteristics of a fabric or other material. Those characteristics may then be used directly or indirectly (such as after being subjected to further data processing, signal processing, machine learning, statistical analysis, etc.) to populate one or more parameters of a mathematical model of the fabric/material or a garment constructed from the same.
Dimensionalmechanics, Inc.

Method for the determination of a spatial assignment or spatial distribution of magnetic particles

A method related to magnetic particle imaging (mpi) includes a signal processing step in which mpi time signals are acquired and successive acquisition cycles are completed within one scanning period. From the scanning period, an image acquisition period is selected for which a composite time signal is generated by concatenating measured values acquired in immediate succession.
Bruker Biospin Mri Gmbh

Magnetic detection device

A magnetic detection device has: a magnetic moving body which rotates about a rotating shaft and in which n-poles and s-poles are disposed alternately on an outer periphery thereof; magnetoresistive elements that are disposed at a spacing from the outer peripheral surface of the magnetic moving body; a signal processing unit that processes signals from the magnetoresistive elements; and a magnet that applies a bias magnetic field to the magnetoresistive elements. The magnetization direction of the magnet is parallel to the rotating shaft of the magnetic moving body.
Mitsubishi Electric Corporation

Tilt angle measuring device

The invention provides a tilt angle measuring device, which comprises a discoid container for including a liquid forming a free liquid surface, a light emitting source for allowing a detection light to enter the free liquid surface, a photodetector for receiving the detection light reflected on the free liquid surface and a signal processing unit for detecting a tilt of the free liquid surface based on a detection signal from the photodetector, wherein the signal processing unit sets a detection light storage time of the photodetector so that an error incidence rate of the detection signal is a predetermined value.. .
Topcon Corporation

Respiratory guidance device and method applied in respiratory-gated ion beam irradiation

Provided are a respiratory guiding device (100) and method used in respiratory gated ion beam irradiation, the respiratory guiding device (100) comprising: a respiratory signal detecting unit (101), for measuring a respiratory motion trajectory curve during free breathing and deep breathing, and a real-time respiratory motion position signal in the case of guided respiration; a respiratory signal processing unit (102), for modeling free breathing and deep breathing according to an average respiratory cycle and an average respiratory amplitude calculated on the basis of the respiratory motion trajectory curve and setting a preset breath-hold time at the tail end of a function curve of a free breathing model and a deep breathing model to establish a respiratory guiding curve; a control unit (103), for adjusting the magnetic excitation cycle of a synchrotron according to the respiratory cycle represented by the respiratory guiding curve during free breathing or deep breathing, thus synchronizing the magnetic excitation cycle of the synchrotron with the respiratory cycle. The device and method effectively reduce residual motion in a target region within a guided respiration window, and improve irradiation efficiency and precision of an ion beam..
Institute Of Modern Physics, Chinese Academy Of Sciences

Navigation assistance system for medical instruments

A navigation support system for medical instruments comprises a signal processing unit with an input for real-time video image signals from an optical instrument, input for instrument position signals and access to tomography image data, and output for outputting image signals. The signal processing unit generates output image signals from the image signals, the image data and the position signals and generates the output image signals such that the real-time video image signals are displayed permanently centrally on an image display unit connected to the navigation support system in a round or oval central image display of an overall image, wherein the central image display extends at least in one direction of extension across more than half of the overall image and that the secondary images generated by tomography image data, in dependence on the instrument position signals, are displayed adjacent to or partially superimposed over the central image display..
Fiagon Ag Medical Technologies

Mr spectroscopy diagnosing painful and non-painful intervertebral discs

An mr spectroscopy (mrs) system and approach is provided for diagnosing painful and non-painful discs in chronic, severe low back pain patients (ddd-mrs). A ddd-mrs pulse sequence generates and acquires ddd-mrs spectra within intervertebral disc nuclei for later signal processing & diagnostic analysis.
The Regents Of The University Of California

Light intensity adjustable ultraviolet device for curing optical fiber coating

A light intensity adjustable ultraviolet device for curing an optical fiber coating includes a cylindrical mounting base; a uvled light source module mounted along a peripheral direction and an axial direction in an inner cavity of the cylindrical mounting base; a cylindrical focusing lens configured in front of a light emitting surface of the uvled light source module, so that ultraviolet light emitted by the uvled light source module is focused on a curing axis; and an ultraviolet sensor mounted in the inner cavity of the cylindrical mounting base, wherein the ultraviolet sensor is connected to a uvled power supply control module via an ultraviolet intensity signal processing module; the uvled power supply control module is connected to the uvled light source module, so that an optical fiber drawing speed and an ultraviolet intensity form a control closed loop.. .
Yangtze Optical Fibre And Cable Joint Stock Limited Company

Hearing device and a hearing system configured to localize a sound source

The problem of estimating the direction to one or more sound sources of interest relative to a user wearing a pair of hearing devices, e.g. Hearing aids, is dealt with.
Oticon A/s

Broadcast method and system

A method and system for airing broadcast signals is disclosed. Preferably, the system includes a production truck interface panel receiving a broadcast signal.
Level 3 Communications, Llc

Electric camera

An electric camera includes an image sensing device with a light receiving surface having n vertically arranged pixels and an arbitrary number of pixels arranged horizontally, n being equal to or more than three times the number of effective scanning lines m of a display screen of a television system, a driver to drive the image sensing device to vertically mix or cull signal charges accumulated in individual pixels of k pixels to produce, during a vertical effective scanning period of the television system, a number of lines of output signals which corresponds to 1/k the number of vertically arranged pixels n of the image sensing device, k being an integer equal to or less than an integral part of a quotient of n divided by m, and a signal processing unit having a function of generating image signals by using the output signals of the image sensing device.. .
Hitachi Maxell, Ltd.

Memory device based on domain wall memory and reading and writing method thereof, and digital signal processing using the same

At least one magnetic nanowire including multiple cells; a write-read head combined with a first contact of the magnetic nanowire; and a read-only head combined with a second contact of the magnetic nanowire. Data stored through a write head included in the write-read head are read in sequence through a read head included in the write-read head in response to a last in first out (lifo) method..
Korea University Research And Business Foundation

Audio signal processing

An estimated system gain spectrum of an acoustic system is generated, and updated in real-time to respond to changes in the acoustic system. Peak gains in the estimated system gain spectrum are tracked as the estimated system gain spectrum is updated.
Microsoft Technology Licensing, Llc

Audio device, missing band estimation device, signal processing method, and frequency band estimation device

During high-frequency interpolation, a harmonic generation unit first generates a harmonic signal for an input compressed audio signal. An hpf unit, having a cutoff frequency, extracts a high frequency component from the compressed audio signal in parallel with the generation of the harmonic signal.
Pioneer Corporation

System and extracting and using prosody features

A system for carrying out voice pattern recognition and a method for achieving same. The system includes an arrangement for acquiring an input voice, a signal processing library for extracting acoustic and prosodic features of the acquired voice, a database for storing a recognition dictionary, at least one instance of a prosody detector for carrying out a prosody detection process on extracted respective prosodic features, communicating with an end user application for applying control thereto..

Method and capturing operation in a container-based virtualization system

The present application discloses a method and apparatus for capturing an operation, and security control in a container-based virtualization system. A specific implementation of the method for capturing the operation includes: detecting, in a user mode, a process launch operation in a container of the container-based virtualization system; and performing, in a kernel mode, a step of capturing a signal processing operation, if the process launch operation is detected, the step of capturing the signal processing operation comprising: determining a presence of an unprocessed signal in the process; causing an executable instruction indicated by the unprocessed signal to jump to an entry address of a self-defined first function, and passing a signal number of the unprocessed signal to the first function, if the unprocessed signal exists; and capturing a signal processing operation corresponding to the passed signal number, if the first function is called.
Beijing Baidu Netcom Science And Technology Co., Ltd.

Radar apparatus and signal processing radar apparatus

A radar apparatus includes a targeting unit that irradiates a radar wave and recognizes a detection subject using a reflected wave thereof. The targeting unit extracts, as a target, a peak that is confirmed to have historical connection over measurement cycles equal to or more than a predetermined targeting threshold, from peaks extracted from a power spectrum generated by frequency analysis.
Denso Corporation

Sensor arrangement, measuring device and measuring method

Measuring equipment for a crimp connection comprises a signal processing unit (150), a ranging sensor arrangement (100) based on using optical radiation, and a moving mechanism (102) that moves a formed crimp connection (104) and the ranging sensor arrangement (100) in relation to each other. The ranging sensor arrangement (100) measures the distance between the ranging sensor arrangement (100) and crimp connection (104) while the ranging sensor arrangement (100) and moving mechanism (102) are moved in relation to each other.
Pkc Wiring Systems Oy

Defect inspection device and defect inspection method

To detect an infinitesimal defect, highly precisely measure the dimensions of the detect, a detect inspection device is configured to comprise: a irradiation unit which irradiate light in a linear region on a surface of a sample; a detection unit which detect light from the linear region; and a signal processing unit which processes a signal obtained by detecting light and detecting a defect. The detection unit includes: an optical assembly which diffuses the light from the sample in one direction and forms an image in a direction orthogonal to the one direction; and a detection assembly having an array sensor in which detection pixels are positioned two-dimensionally, which detects the light diffused in the one direction and imaged in the direction orthogonal to the one direction, adds output signals of each of the detection pixels aligned in the direction in which the light is diffused, and outputs same..
Hitachi High-technologies Corporation

Signal processing circuit and method with pressure-sensitive sensor array

A signal processing circuit with a pressure-sensitive sensor array includes a pressure-sensitive sensor array with m rows and n columns, and an excitation source adapted for outputting positive and negative excitation voltages, wherein: the positive output terminals of the sensing units at a same row of the pressure-sensitive sensor array are connected with each other and act as an output of the row; the negative output terminals of the sensing units at a same column of the pressure-sensitive sensor array are connected with each other and act as an output of the column; so that the whole pressure-sensitive sensor array has a positive excitation input end, a negative excitation input end, m row output signals and n column output signals. The signal processing circuit and method are capable of significantly decreasing an amount of output signal wires of the sensor, reducing connection areas, and improving reliability..
Chipsea Technologies (shenzhen) Corp.

System, method and article for counting steps using an accelerometer

An activity tracking device, such as a step-counting device includes an interface configured to receive one or more acceleration signals and signal processing circuitry. The signal processing circuitry generates an indication of condition of an accelerometer, such as a body position of the accelerometer, based on one or more accelerometer signals, generates an event signal, such as an event flag, based on one or more accelerometer signals and the indication of the condition of the accelerometer, and generates an activity signal, such as step flag based on the event signal, the indication of the condition of the accelerometer and one or more acceleration signals.
Stmicroelectronics S.r.l.

Portable ndir breath acetone measurement apparatus with sub-ppm accuracy

A portable ndir breath acetone measurement apparatus includes a portable housing formed with an optical cavity, which is housed in a receiving chamber for containing a gas sample taken from an exhaled breath of a human subject. A control unit controls the temperature in the receiving chamber to a desired temperature, and controls an ir emitter disposed in the receiving chamber to stably emit ir spectrum radiation propagating along a zigzag path toward an ir detector, which is operated at the desired temperature to generate, in response to detection of the ir spectrum radiation, an ir signal that is processed and analyzed by a signal processing unit to obtain a measurement result indicative of the concentration of acetone gas contained in the gas sample..
Oriental System Technology Inc.

Photoacoustic measurement apparatus and probe for photoacoustic measurement

A probe has a light guide unit that guides the measurement light, an acoustic wave detection unit that detects a photoacoustic wave, and a storage unit that stores light intensity profile information that represents the light intensity profile of the measurement light emitted by the probe, and transmits a signal of the photoacoustic wave detected by the acoustic wave detection unit to the signal processing unit in a state in which the probe is mounted in the apparatus body. The apparatus body has a reading unit that reads the light intensity profile information from the storage unit, and the intensity adjusting unit adjusts the intensity of the measurement light employing the light intensity profile information read by the reading unit..
Fujifilm Corporation

Endoscope system

An endoscope system includes: a signal processing apparatus that performs processing on an output signal outputted from an endoscope; a detecting section configured to detect a type of the endoscope; a function setting section configured to set a plurality of functions in the endoscope system; an input section configured to input data to the function setting section; an output section configured to output a list of setting states of the plurality of functions to a display section; and a storing section configured to store recommended setting data corresponding to the plurality of functions, wherein the function setting section sets the signal processing apparatus to selected one of the setting corresponding to the type of the endoscope and a setting recommended by the recommended setting data, according to an input from the input section, and sets the plurality of functions according to the type of the endoscope.. .
Olympus Corporation

Method and distributed processing for wireless sensors

Certain aspects of the present disclosure relate to a method for compressed sensing (cs). The cs is a signal processing concept wherein significantly fewer sensor measurements than that suggested by shannon/nyquist sampling theorem can be used to recover signals with arbitrarily fine resolution.
Qualcomm Incorporated

Configurable hearing system

The application relates to a configurable hearing device such as a hearing aid comprising an input transducer adapted to transform an input sound signal to an electrical input signal; a memory storing at least two different performance categories, each comprising a group of technical features, the group of technical features of each of the at least two different performance categories being at least partially overlapping and each technical feature of the group of technical features being defined by a selectable range and/or parameter settings; a signal processing unit adapted to access the memory and to process the electrical input signal in accordance with an active performance category selectable from the at least two different performance categories, the signal processing unit providing a processed electrical signal; and an output transducer adapted to transform the processed electrical signal to an output signal producing a hearing perception to a user of the hearing device. The invention may e.g.
Bernafon A/g

Apparatus and unified mitigation of correlative additive and multiplicative noise

A digital signal processing method and apparatus is described. The digital processing apparatus comprises a coarse carrier recovery module for performing a coarse carrier compensation of a received modulated signal; and a trellis-based equalization module selectable between a first mode for performing a trellis-based equalization to compensate a residual inter-symbol interference of the received modulated signal and a second mode for performing a trellis-based equalization to compensate a residual phase noise of the received modulated signal..

Enhancing intelligibility of speech content in an audio signal

Embodiments of the present invention relate to signal processing. Methods for enhancing intelligibility of speech content in an audio signal are disclosed.
Dolby Laboratories Licensing Corporation

Signal strength enhancement in a biometric sensor array

A biometric imager may comprise a plurality of sensor element traces formed in or on a sensor substrate which may comprise at least a portion of a display screen defining a biometric sensing area and forming in-active pixel locations; an auxiliary active circuit formed in or on the sensor substrate on the periphery of the biometric sensing area and in direct or indirect electrical contact with the sensor element traces; and providing a signal processing interface to a remotely located controller integrated circuit. The sensor element traces may form a portion of one dimensional linear sensor array or pixel locations in a two dimensional grid array capacitive gap biometric imaging sensor.
Synaptics Incorporated

Methods and sequencing multiply-accumulate operations

An integrated circuit may have specialized processing blocks that are configurable to operate as arithmetic operators that may implement, amongst other functions, multiplication and multiply-accumulation operations in a first mode. In a second mode, a sequencer circuit may provide data signals and control signals to the specialized processing blocks such that the specialized processing block operates as a signal processing device that handles signals in a given sequence.
Altera Corporation

Audio-signal processing device, and audio-signal processing method

An audio signal processing device includes an audio signal processing unit which performs signal processing on an audio signal, a sound volume setting receiving unit which receives a sound volume set value, and a sound volume measuring unit which measures a sound volume at a listening position. The audio signal processing unit performs a loudness correction which increases a level of the audio signal in a prescribed frequency range as the sound volume set value decreases.
Yamaha Corporation

Circuit, a time-to-digital converter, an integrated circuit, a transmitter, a receiver and a transceiver

A circuit according to an example includes a controllable oscillator configured to generate an output signal based on a control signal, an input signal processing circuit configured to receive a reference signal and configured to generate a sequence of digital values indicative of a phase relation between the reference signal and the output signal or a signal derived from the output signal, and a digital data processing circuit configured to generate a sequence of processed values at a lower frequency than a frequency of the sequence of the digital values, each processed value being based on a plurality of the digital values of the sequence of digital values, wherein the control signal is based on the sequence of processed values.. .
Intel Ip Corporation

Radar device, signal processing device for radar device, and signal processing method

There is provided a radar device. A fourier transform unit decomposes each of respective beat signals into a plurality of frequency components.
Fujitsu Ten Limited

Underwater detection device

An underwater detection device is provided, which includes an echo signal processing module configured to acquire echo signals and detect signal levels of the echo signals corresponding to water depths, the echo signals being reflection waves caused by ultrasonic waves transmitted underwater, a detection image display controlling module configured to display on a display unit a detection image indicating the signal levels of the echo signals corresponding to the water depths and placed in a chronological order, and a menu display controlling module configured to display first superordinate menu buttons on the detection image displayed on the display unit, one of the first superordinate menu buttons displayed in one of end sections of the detection image where oldest information is displayed, the rest of the first superordinate menu buttons displayed to extend from the one of the first superordinate menu buttons in one of depth directions and time axis directions.. .
Furuno Electric Co., Ltd.

Quantitative texture measurement apparatus and method

A photo acoustic non-destructive measurement apparatus and method for quantitatively measuring texture of a food snack is disclosed. The apparatus includes a laser generating tool, an acoustic capturing device, and a data processing unit.
Frito-lay North America, Inc.

Quantitative texture measurement apparatus and method

A photo acoustic non-destructive measurement apparatus and method for quantitatively measuring texture of a food snack is disclosed. The apparatus includes a laser generating tool, an acoustic capturing device, and a data processing unit.
Frito-lay North America, Inc.





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