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Signal Processing patents



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


Real time digital signal processing

Real time digital signal processing

Real time digital signal processing

Single trial detection in encephalography

Date/App# patent app List of recent Signal Processing-related patents
10/09/14
20140304316
 True random number generator using gpu and signal processing techniques patent thumbnailTrue random number generator using gpu and signal processing techniques
A true random number generator (trng) uses sources of uncertainty found within graphics processing units (gpus) together with signal processing techniques, for example histogram equalization, to obtain maximum entropy.. .
10/09/14
20140303911
 Method for measuring the energy of pulses of optical radiation and device for implementing same patent thumbnailMethod for measuring the energy of pulses of optical radiation and device for implementing same
What are described are: method and a device for measuring the energy of impulses of optical radiation, with aid of which a measurement error associated with the indeterminacy of the precise time at which impulse occurred between discrete readings of an analog-digital converter is reduced. The useful effect is, achieved by means of introducing a normalizing impulse converter which generates impulse electrical signals with a standard form which is not dependent on the form of the radiation impulses, and a corresponding procedure for digital signal processing..
10/09/14
20140303761
 Real time digital signal processing patent thumbnailReal time digital signal processing
An apparatus for performing digital signal processing is shown. The apparatus has memory, a first processing core and a second processing core.
10/09/14
20140303511
 Single trial detection in encephalography patent thumbnailSingle trial detection in encephalography
An eeg cap (8) having 64 or 128 electrodes (10) is placed on the head of the subject (11) who is viewing crt monitor (14). The signals on each channel are amplified by amplifier (17) and sent to an analog-to-digital converter (20).
10/09/14
20140302864
 Transmission gap creation and communications apparatus utilizing the same patent thumbnailTransmission gap creation and communications apparatus utilizing the same
A communications apparatus includes a first radio frequency (rf) signal processing device, a first baseband signal processing device and a processor. The first rf signal processing device transceives a plurality of rf signals to and from a peer communications apparatus to communicate with the peer communications apparatus in compliance with a first radio access technology (rat) and processing the rf signals.
10/09/14
20140301742
 Method for improving signal quality of a digital signal being transmitted through a non-linear device and apparatus using the same patent thumbnailMethod for improving signal quality of a digital signal being transmitted through a non-linear device and apparatus using the same
A digital signal processing method has steps of pre-emphasizing a digital signal, and then processing the pre-emphasized digital signal through a non-linear device. In the pre-emphasizing step, an undershoot is applied to a first level of the digital signal at a positive signal transition or an overshoot is applied to the digital signal at a negative first signal transition..
10/09/14
20140301555
 Blind extraction of target signals patent thumbnailBlind extraction of target signals
A system and method allow for extracting target signals from the overall measurement data without knowing how and where these data are collected, the locations and characteristics of target sources as well as those of random background noise sources. In essence, it uses an innovative and advanced signal processing technique to reveal certain critical information from a mixture of data that is hard to obtain otherwise.
10/09/14
20140300789
 Imaging apparatus and camera patent thumbnailImaging apparatus and camera
An imaging apparatus including a pixel, a current source, and a signal processing circuit. The pixel outputs signal charge, obtained by imaging, as a pixel signal.
10/09/14
20140300718
 Camera for acquiring optical properties and spatial structure properties patent thumbnailCamera for acquiring optical properties and spatial structure properties
A camera device for acquiring optical properties in a plurality of different wavelength ranges and spatial structure properties of an object includes a beam splitter for splitting light coming from an object into the plurality of different wavelength ranges; a first image sensor for generating a first sensor signal related to a first predetermined wavelength range; a first signal processing device for generating a first intensity image signal and a distance image signal using information about the temporal modulation of illumination light (m) and the first sensor signal; at least one second image sensor for generating a second intensity image signal for a second predetermined wavelength range; and a second signal processing device for generating a color image signal from the first intensity image signal and the second intensity image signal.. .
10/09/14
20140300512
 Sensor system for independently evaluating the accuracy of the data of the sensor system patent thumbnailSensor system for independently evaluating the accuracy of the data of the sensor system
A sensor system, having a plurality of sensor elements that are in a form such that they sense at least to some extent different primary measured variables use at least to some extent different measurement principles, a signal processing device. The signal processing device is in a form to evaluate the sensor signals from the sensor elements at least to some extent collectively and rates the information quality of the sensor signals, wherein the signal processing device provides a piece of information about the accuracy of at least one datum of a physical variable.
10/09/14
20140300497
Method for controlling an obstruction light and a wind park for carrying out such a method
The invention concerns a method of controlling the flight lighting arrangement of a wind park by means of acoustic monitoring or wind park comprising one or more wind power installations, wherein the wind park has an acoustic monitoring device having a microphone arrangement, wherein the microphone arrangement records sound signals, noises or the like from the environment of the wind park and said sound signals are processed in a signal processing device connected to the microphone arrangement, wherein there is provided a switching device for switching on a flight lighting arrangement of at least one wind power installation of the wind park and the switching device is coupled to and controlled by the signal processing device so that the signal processing device causes the switching device to switch on the flight lighting arrangement if a sound signal of a flying object, for example an aircraft or a helicopter, is detected by means of the acoustic monitoring device, and/or a predetermined sound signal (for example sine sound) is superposed and/or falsified by the noises of the flying object.. .
10/09/14
20140300403
Signal processing device
A level shifter converting a binary signal having a first potential and a second potential into a signal having the first potential and a third potential, and a signal processing circuit using the level shifter are provided. The first potential is higher than the second potential.
10/09/14
20140300402
Signal processing circuit
A signal processing circuit includes a detection circuit detecting a high frequency signal being input; and an output signal adjustment circuit which is provided in a rear end of the detection circuit and includes a first field effect transistor and a second field effect transistor. The first field effect transistor has a drain connected to an output end of the detection circuit, a source connected to a gate of the second field effect transistor, and a gate connected to a drain of the second field effect transistor.
10/09/14
20140298974
Timbre selector, musical instrument, and timbre selecting method
A timbre selector includes a first signal processing unit, a second signal processing unit and a first switch. The first signal processing unit includes a first input terminal, a first filter and a first output terminal.
10/02/14
20140298380
Automated statutory warning system to display disclaimers
Disclosed is a method and system for real time appending at least one electronic message in at least one video stream. The system includes a channel identification module, a signal processing module, a decision module and a message appending module.
10/02/14
20140298139
Memory device with internal signal processing unit
A method for operating a memory includes storing data in a plurality of analog memory cells that are fabricated on a first semiconductor die by writing input storage values to a group of the analog memory cells. After storing the data, multiple output storage values are read from each of the analog memory cells in the group using respective, different threshold sets of read thresholds, thus providing multiple output sets of the output storage values corresponding respectively to the threshold sets.
10/02/14
20140297270
Signal processing apparatus and signal processing method
A signal processing apparatus feeding a frame of a signal in frequency domain of a reception voice signal into a sound echo canceler includes a first reception section for receiving frames of the reception voice signal in frequency domain before having a rate-of-speech change process applied; a second reception section for receiving frames of a signal in time domain having the rate-of-speech change process applied by units of frames; and a frequency-domain frame synthesis section for synthesizing a frame of the signal in frequency domain of the reception voice signal based on the signal in time domain having the rate-of-speech change process applied at a frame currently being processed by the signal processing apparatus, and a frame of the reception voice signal in frequency domain corresponding to the signal in time domain having the rate-of-speech change process applied.. .
10/02/14
20140296723
Heartbeat signal processing method
A heartbeat signal method includes detecting first and second heartbeat signals, where the first and second heartbeat signals may be potential difference signals with respect to a reference potential. First and second average dc voltage values as voltage values of direct-current components in the first and second heartbeat signals are calculated.
10/02/14
20140295842
Method for handover of mobile apparatus and communication device for the same
Provided are a method for handover of mobile apparatus, a communication device for the same, and a mobile apparatus using the same. A communication device of a mobile apparatus may comprise a first antenna unit, a second antenna unit, a first signal processing part receiving a handover command indicating to handover from a first beam which maintains connection with the mobile apparatus through the first antenna unit to a second beam, and storing information about the first beam, and a second signal processing part performing handover from a third beam which maintains connection with the mobile apparatus through the second antenna unit to the first beam by using the information about the first beam.
10/02/14
20140294130
Receiver and signal processing method
A receiver includes a detector to detect an interfered-with carrier from a received and demodulated signal, a fast fourier transform computation part to perform fast fourier transform to convert a time domain signal to a frequency domain signal and adjust an output power level of a desired carrier wave contained in the frequency domain signal based upon the detected interfered-with carrier, and a channel estimation part to estimate a channel characteristic based upon a non-interfered-with pilot signal that is not subject to influence of the interfered-with carrier and an interpolation value interpolated based upon the non-interfered-with pilot signal, the non-interfered-with pilot signal being obtained by removing, based upon the interfered-with carrier, an interfered-with pilot signal that is subject to the influence of the interfered-with carrier and an interpolation value interpolated based upon the interfered-with pilot signal.. .
10/02/14
20140294056
Low-complexity diversity reception
A system may comprise a plurality of signal processing paths, a bin-wise combiner, an inverse transformation block, and a dac. Each signal processing path may comprise a transformation block that is operable to transform a first time-domain digital signal to an associated frequency-domain signal having a plurality of subband signals.
10/02/14
20140293892
Wireless signal receiver and associated signal processing method
A wireless signal receiver includes a receiving module, an automatic gain control (agc) module, a measuring module, a decoding module, and a control module. The receiving module receives a wireless signal.
10/02/14
20140293808
Wireless receiving system and associated signal processing method
A wireless receiving system includes a packet searching module and a memory module. The packet searching module performs packet searching that includes adopting at least one parameter.
10/02/14
20140293371
Image reading device, image forming apparatus, and image reading method
An image reading device includes a red light source, a green light source, a blue light source, a white reference plate, a light-amount adjusting section, a photo-detecting section, and a signal processing section. The light-amount adjusting section sets lighting periods of the red, green, and blue light sources for reading in a monochrome mode, based on: lighting periods of the red, green, and blue light sources set for reading in a color mode; and a result of detection performed by the photo-detecting section when the white reference plate is illuminated with the red light, the green light, and the blue light respectively emitted by the red, green, and blue light sources for the respective lighting periods set for reading in the color mode..
10/02/14
20140293095
Image capturing apparatus, signal processing apparatus and method
A signal processing apparatus reduces noise by generating an interpolated signal for a noise-containing period using audio signals in periods before and after the noise-containing period, and replacing an audio signal in the noise-containing period with the interpolated signal. Here, the signal processing apparatus determines whether a phoneme is the same or different between before and after the noise-containing period, and controls a method for generating the interpolated signal in accordance with a result of the determination..
10/02/14
20140292840
Display device, electronic apparatus, driving method of display device, and signal processing method
According to an aspect, a display device includes: an image display panel; and a plurality of signal processing circuits that are responsible for respective regions in the image display panel, that convert an input value of an input hsv color space of an input signal to each of their own responsible regions into an extension value of an extended hsv color space to generate an output signal of the extension value for the image display panel. The signal processing circuits decide an extension coefficient αa for the image display panel in its entirety in a cooperative manner.
10/02/14
20140292801
Color signal processing method and apparatus, and storage medium for performing the method
Methods, apparatuses and storage mediums for processing color signals of an image are provided. A method includes converting an input signal in a first color space into a luminance component and a saturation component in a second color space, determining a boundary of the second color space by using the luminance component and the saturation component, determining whether the converted input signal is outside the boundary, and matching the saturation component so that the converted input signal outside the boundary of the second color space enters the second color space.
10/02/14
20140292761
Display apparatus, multi display system, and control method thereof
Display apparatus, multi display system, and control method are provided. The display apparatus which comprises a display unit displaying an image, the display apparatus include: a storing unit in which information about a maximum resolution of the display unit is stored; a signal processing unit which captures an area of an input image signal of a high resolution, and processes the captured image signal to enable the display unit to display the input image signal if the input image signal has a resolution higher than the maximum resolution of the display unit stored in the storing unit; and an output unit which outputs the image signal input to the signal processing unit to an outside.
10/02/14
20140292559
Radar apparatus and signal processing method
There is provided a radar apparatus capable of emitting a transmission wave relating to a transmitting signal which is frequency-modulated, and receiving a reflection wave coming from a target at which the transmission wave is reflected as a receiving signal, to derive at least position information of the target based on the receiving signal. A deriving unit derives a fluctuation value of a signal level relating to the receiving signal for a stationary target among the targets.
10/02/14
20140292558
Radar apparatus and signal processing method
There is provided a radar apparatus capable of extracting a peak signal obtained from a difference frequency between a transmitting signal and a receiving signal during first and second periods and deriving target information based on the extracted peak signals. A predicting unit derives a predicted peak signal obtained by predicting a current peak signal based on the peak signal obtained in a previous process.
10/02/14
20140292548
System and method for low-power digital signal processing
A system and method for low-power digital signal processing, for example, comprising adjusting a digital representation of an input signal.. .
10/02/14
20140292491
Rfid tags with cdma communication capabilities
An apparatus for use in an rfid data collection system includes an antenna portion for wirelessly exchanging signals and a memory portion for storing rfid data. A signal processing portion is coupled among the antenna portion and the memory portion.
10/02/14
20140292306
Target position, movement and tracking system
The invention provides a target object detection system, comprising a plurality of sensing nodes (10) for positioning at respective detection locations with respect to a detection area (12) that is situated within a field generated by an ambient ac source of excitation. Each sensing node has at least one electric potential sensor (22, 42) designed to detect perturbations in said field caused by a target object (14), said one sensor including an electrode (20, 40) responsive to the ac excitation field for generating detection signals, an amplifier (28) connected to the electrode for receiving and amplifying the detection signals to produce ac measurement signals as output, and at least one feedback circuit (30, 36) from an output of the amplifier to an input thereof for enhancing the input impedance of the amplifier.
10/02/14
20140292102
Signal line power receiving circuit, signal line power supply circuit and signal line power supply system
A signal line power receiving circuit includes a signal processing unit, a power unit, a signal interface, a first isolation unit and a first filter unit. The signal interface transmits and receives data signals and receives power signals all via a first signal line.
10/02/14
20140291533
Radiation image detecting device and operating method thereof
To provide a radiation image detecting device providing high responsivity and high precision of an emission start judgment, an electronic cassette has a panel unit and a control unit. The panel unit has a two-dimensional array of normal pixels for accumulating signal charge upon receiving x-rays and detection pixels for detecting the x-rays.
10/02/14
20140291403
Indicia reading system employing digital gain control
A scanning code symbol reading system includes an analog scan data signal processor for producing digitized data signals, wherein during each laser beam scanning cycle, a light collection and photo-detection module generates an analog scan data signal corresponding to a laser scanned code symbol, an analog scan data signal processor/digitizer processes the analog scan data signal to generate digital data signals corresponding thereto, and a synchronized digital gain control module automatically processes the digitized data signals in response to start of scan (sos) signals generated by a sos detector. The synchronized digital gain control module generates digital control data which is transmitted to the analog scan data signal processor for use in controlling the gain of a signal processing stage in the light collection and photo-detection module and/or analog scan data signal processor, during the corresponding laser beam scanning cycle..
10/02/14
20140290465
System and method for capture and rendering of performance on synthetic musical instrument
Techniques have been developed for capturing and rendering musical performances on handheld or other portable devices using signal processing techniques suitable given the somewhat limited capabilities of such devices and in ways that facilitate efficient encoding and communication of such captured performances via wireless networks. The developed techniques facilitate the capture, encoding and use of gesture streams for rendering of a musical performance.
09/25/14
20140289275
Access system and method for accessing signal data
Signal data from a sensor is stored in a storage device. The signal data is accessed by means access request that includes an identification of a base signal that may indicate the signal data from said sensor and an identification of a derivation to obtain a requested signal from the base signal.
09/25/14
20140288885
Signal processing device, pulse wave measuring apparatus, and signal processing method
A signal processing device includes: a first acquisition unit that acquires a first signal indicating a pulse wave of a living body from a first measuring unit that measures the pulse wave; a second acquisition unit that acquires a second signal indicating the pulse wave of the living body from a second measuring unit that measures the pulse wave at different sensitivities from the first measuring unit; an estimation unit that estimates a ratio of sensitivity of the first measuring unit to sensitivity of the second measuring unit from a first spectrum of the first signal and a second spectrum of the second signal; and a subtraction unit that subtracts the second spectrum from the first spectrum so as to cancel noise included in the first spectrum and the second spectrum, using the ratio estimated by the estimation unit.. .
09/25/14
20140288428
Monolithic ultrasonic imaging devices, systems and methods
To implement a single-chip ultrasonic imaging solution, on-chip signal processing may be employed in the receive signal path to reduce data bandwidth and a high-speed serial data module may be used to move data for all received channels off-chip as digital data stream. The digitization of received signals on-chip allows advanced digital signal processing to be performed on-chip, and thus permits the full integration of an entire ultrasonic imaging system on a single semiconductor substrate.
09/25/14
20140288426
Object information acquiring apparatus
An object information acquiring apparatus includes a probe configured to irradiate ultrasonic waves to an object, receive ultrasonic echoes, and convert the ultrasonic echoes into electric signals, a scanning unit configured to cause the probe to perform back-and-forth scanning on the object, an ultrasonic control unit configured to control irradiation of ultrasonic waves, a signal processing unit configured to obtain an ultrasonic, and a combining unit configured to combine a plurality of ultrasonic images. The scanning unit causes the probe to perform back-and-forth scanning on the object such that regions subjected to ultrasonic irradiation performed by the probe in forward and backward paths in the back-and-forth scanning overlap with each other.
09/25/14
20140287414
System and method for analyzing dna using application of mobile device
A dna analysis system that controls dna analysis by wireless using an application of a mobile device and a very small dna analysis apparatus, and that receives a dna analysis result in real time on the spot is provided. Therefore, by performing dna analysis by simultaneously controlling a plurality of small dna analysis apparatuses using signal processing and screen display functions of a mobile device, analysis speed of dna is improved, and an analysis result of dna can be provided in real time.
09/25/14
20140286638
Signal processing apparatus and signal processing method
Signal processing means includes carrier compensation means for compensating for a phase difference and a frequency difference between signal light and local light in relation to two polarization signals, so as to generate two carrier compensated signals, symbol determination means for demodulating the two carrier compensated signals on the basis of a signal arrangement of multi-value modulation, symbol rough-determination means for demodulating the two carrier compensated signals on the basis of a signal arrangement in which the number of multi-values of the multi-value modulation is reduced, selection means for selecting either of an output of the symbol determination means and an output of the symbol rough-determination means, and coefficient setting means for updating filter coefficients of polarized wave separation means by using an output selected by the selection means.. .
09/25/14
20140286511
Acoustic signal processing apparatus, acoustic signal processing method, program, and recording medium
Hrtf on a side of the sound source on the acoustic signal. A crosstalk compensation processing unit performs, with respect to the first binaural signal and the second binaural signal, a crosstalk compensation for canceling out an acoustic transfer characteristic and a crosstalk.
09/25/14
20140286315
Methods for rapidly switching between different rats and communications apparatuses utilizing the same
A communications apparatus includes an rf signal processing device, a baseband signal processing device and a processor. The processor controls operations of the rf signal processing device and the baseband signal processing device, camps on a first cell of a first rat, receives a predetermined set of system information (si) from one or more second cells of a second rat and stores the predetermined set of si in an si early-reading database.
09/25/14
20140286307
Methods for rapidly switching between different rats and communications apparatuses utilizing the same
A communications apparatus includes an rf signal processing device, a baseband signal processing device and a processor. The processor controls operations of the rf signal processing device and the baseband signal processing device, camps on a first cell of a first rat, receives a mobile terminated (mt) or mobile originated (mo) service request and determines whether performing a rat change procedure to switch from the first rat to a second rat is required.
09/25/14
20140286251
Cloud controller for next generation data network
A next generation data network is described. It leverages the “cloud” for data management, low frequency data computation and analytics.
09/25/14
20140286157
Signal processing method in wireless communication system and device therefor
A method for operating a relay node in a wireless communication system. The method includes communicating, by the relay node, with a base station using a specific subframe for the relay node only; detecting, by the relay node, a problem with a connection between the relay node and the base station; starting, by the relay node, a timer upon detecting the problem with the connection between the relay node and the base station; and releasing, by the relay node, a restriction of using the specific subframe for the relay node only, if the started timer expires.
09/25/14
20140286156
Distribution node and client node for next generation data network
A next generation data network is described. It leverages the “cloud” for data management, low frequency data computation and analytics.
09/25/14
20140286131
Wideband sonar receiver and sonar signal processing algorithms
A wideband sonar receiver is provided that includes: a selectable bandpass filter adapted to filter a received sonar signal to produce a filtered signal and a correlator adapted to correlate the baseband samples with baseband replica samples to provide a correlated signal. In addition, the wideband sonar receiver may include a shaping filter to shape unshaped received pulses.
09/25/14
20140285691
Solid state imaging device
A solid state imaging device according to an embodiment includes: a pixel array including a plurality of pixel blocks on a first surface of a semiconductor substrate, each pixel block having a first to third pixels each having a photoelectric conversion element, the first pixel having a first filter with a higher transmission to a light in a first wavelength range, the second pixel having a second filter with a higher transmission to a light in a second wavelength range having a complementary color to a color of the light in the first wavelength range, and the third pixel having a third filter transmitting lights in a wavelength range including the first and second wavelength ranges; a readout circuit reading signal charges from the first to the third pixels; and a signal processing circuit processing the signal charges.. .
09/25/14
20140285688
Optical system of electrical equipment, electrical equipment, and optical function complementary processing circuit
According to one embodiment, an optical system of electrical equipment includes an imaging optical system and an optical function complementary processing circuit. The imaging optical system captures light from a subject.
09/25/14
20140285539
Display device and electronic apparatus
According to an aspect, a display device includes: an image display panel; a color conversion device including a signal processing unit and a signal output unit; a planar light-source device; and a light-source-device control unit. The signal processing unit includes a color conversion circuit that converts an input signal in a reference color area into a converted input signal generated in a definition color area where a chromaticity point of at least one of a first color, a second color, and a third color is inside of a reference color area, and a four-color generation circuit that generates an output signal and a light-source-device control signal from the converted input signal.
09/25/14
20140285427
Signal processing device and signal processing method
A signal processing device includes: a memory; and a processor coupled to the memory and configured to: detect a second feature value relating to a first feature value recognized to satisfy a recognition condition, from a second time series prior to a first time series of the first feature value in a times series of a feature value corresponding to an input signal, and change the recognition condition so that the second feature value is recognized as a class for recognizing the first feature value.. .
09/25/14
20140285426
Signal processing device and signal processing method
A signal processing device includes: a memory; and a processor coupled to the memory and configured to: detect a repetition of a feature value from a time series of the feature value corresponding to an input signal, change a recognition condition for recognizing a class for the feature value when the repetition of the feature value is detected.. .
09/25/14
20140285415
Control signal generating device and audio signal processing device
A control signal for controlling a light emitting element is generated according to a set value of an amount of light emission. In this event, each of a current value and a duty ratio of the control signal changes according to the set value of the amount of light emission.
09/25/14
20140285233
Efficient reconfigurable logic tile
An application specific integrated circuit (asic) that includes a digital signal processing (dsp) core and a configurable logic block coupled to the dsp core. The configurable logic block including a plurality of interconnected logic modules to apply a pre-configured logic function to an input.


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