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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


Using decision feedback phase error correction

Maxlinear

Using decision feedback phase error correction

Display device and color conversion method

Japan Display

Display device and color conversion method

Display device and color conversion method

System and method for digital signal processing

Date/App# patent app List of recent Signal Processing-related patents
04/23/15
20150113687
 Fully digitally controller for cantilever-based instruments patent thumbnailnew patent Fully digitally controller for cantilever-based instruments
A controller for cantilever-based instruments, including atomic force microscopes, molecular force probe instruments, high-resolution profilometers and chemical or biological sensing probes. The controller samples the output of the photo-detector commonly used to detect cantilever deflection in these instruments with a very fast analog/digital converter (adc).
Oxford Instruments Afm Inc.
04/23/15
20150112671
 Headset interview mode patent thumbnailnew patent Headset interview mode
Methods and apparatuses for headsets are disclosed. In one example, a headset includes a processor, a communications interface, a user interface, and a speaker.
Plantronics, Inc.
04/23/15
20150112621
 Voltage detection device for transforming apparatus patent thumbnailnew patent Voltage detection device for transforming apparatus
In a voltage detection device for a transforming apparatus, a voltage divider is constituted by providing an intermediate electrode between a central conductor and a tank of the transforming apparatus, to detect a voltage e1 of the central conductor based on a voltage e2 of the voltage divider. The voltage detection device for a transforming apparatus includes an incomplete integration circuit having a reverse characteristic to an input/output voltage amplitude ratio-frequency characteristic of a high-pass filter formed by a floating electrostatic capacitance between the central conductor and the intermediate electrode, an earth electrostatic capacitance between the intermediate electrode and the tank, and a voltage dividing resistor connected in parallel to the earth electrostatic capacitance, and a signal processing circuit that outputs a value based on an output voltage e3 of the incomplete integration circuit as the voltage e1 of the central conductor..
Mitsubishi Electric Corporation
04/23/15
20150112183
 Mr spectroscopy  diagnosing painful and non-painful intervertebral discs patent thumbnailnew patent 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.
04/23/15
20150110490
 Receiver, transmission system,  receiving polarization multiplexed optical signal, and non-transitory computer readable medium storing receiver control program patent thumbnailnew patent Receiver, transmission system, receiving polarization multiplexed optical signal, and non-transitory computer readable medium storing receiver control program
In a receiver, a reception front end receives a polarization-scrambled polarization multiplexed optical signal, polarization-separates the received polarization multiplexed optical signal, and converts each signal into quantized signals. A digital signal processor samples the quantized signals, demodulates the signals by using a polarization separation digital signal processing algorithm, and outputs demodulated signals.
Nec Corporation
04/23/15
20150110289
 System and  digital signal processing patent thumbnailnew patent System and digital signal processing
The present invention provides methods and systems for digital processing of an input audio signal. Specifically, the present invention includes a high pass filter configured to filter the input audio signal to create a high pass signal.
04/23/15
20150110288
 Augmented elliptical microphone array patent thumbnailnew patent Augmented elliptical microphone array
In one embodiment, an audio system has a microphone array and a signal processing subsystem that processes audio signals generated by the microphone array to produce an output beampattern. The microphone array has (i) a first microphone set of two or more microphones located on a first ellipse, (ii) a second microphone set of two or more microphones located on a second ellipse within the first ellipse, and (iii) a third microphone set of one or more microphones located within the second ellipse, where the microphones in the first, second, and third microphone sets are effectively all in one plane.
Mh Acoustics, Llc
04/23/15
20150110283
 System for controlling fan noise patent thumbnailnew patent System for controlling fan noise
A system for controlling fan noise includes a fan, a sensor, a signal processing unit, a net structure, and a piezoelectric element. The fan has an airflow inlet and an airflow outlet.
Inventec (pudong) Technology Corporation
04/23/15
20150110263
 Headset dictation mode patent thumbnailnew patent Headset dictation mode
Methods and apparatuses for headsets are disclosed. In one example, a headset includes a processor, a communications interface, a user interface, and a speaker.
Plantronics, Inc.
04/23/15
20150110232
 Using decision feedback phase error correction patent thumbnailnew patent Using decision feedback phase error correction
Methods and systems are provided for using decision feedback phase error correction during signal processing. When an input signal comprises a plurality of sub-carriers, each of the plurality of sub-carriers may be processed separately, wherein the processing may comprise determining for each one of the plurality sub-carriers error related information; and the determined error related information may be applied as separate feedback, such as to allow separately adjusting subsequent processing of the corresponding one of the plurality of sub-carriers.
Maxlinear, Inc.
04/23/15
20150110208
new patent

Signal processing method and associated device, and determining whether spectrum of multicarrier signal is reversed


A signal processing method includes: converting an analog signal to a digital signal; converting the digital signal from a time domain to a frequency domain, the frequency-domain digital signal including a plurality of sets of data exhibiting a predetermined order associated with frequencies respectively corresponding to the data; performing a correlation operation according to the data and the predetermined order to generate a forward correlation result; performing the correlation operation according to the data and a reverse order of the predetermined order to generate a reverse correlation result; selectively generating a control signal according to the forward and reverse correlation results; and processing the digital signal in the time domain according to the control signal so that the data generated in the subsequent step of converting the digital signal from the time domain to the frequency domain exhibit the predetermined order or the reverse order.. .
Mstar Semiconductor, Inc.
04/23/15
20150110161
new patent

Mixer unit


A mixer unit (30) for frequency translating, based on an lo signal, an input signal having one or more input signal components is disclosed. The mixer unit has a signal processing path (50a-d, 60a-d) from each input terminal (32+, 32−) to each output terminal (34_i+, 34_i−, 34_q+,34_q−) of the mixer unit (30), the lo signal has an associated lo signal component (lo_ia-d, lo_qa-d) for each signal processing path.
Telefonaktiebolaget L M Ericsson (publ)
04/23/15
20150110057
new patent

Mobile communications terminal, and controlling radio frequency power amplifier thereof


The present invention discloses a mobile communications terminal. The mobile communications terminal includes a signal processing module and a radio frequency power amplifier, where the signal processing module outputs, to a radio frequency signal input end of the radio frequency power amplifier, a radio frequency signal corresponding to one group of data packets, and synchronously outputs an enable signal to an enable signal input end of the radio frequency power amplifier; and the signal processing module periodically stops outputting the enable signal to the enable signal input end within first predetermined duration, and outputs, to the radio frequency signal input end, a radio frequency signal corresponding to at least one piece of pilot data and synchronously outputs the enable signal to the enable signal input end within second predetermined duration..
Huawei Device Co., Ltd.
04/23/15
20150109603
new patent

Multi-wavelength image lidar sensor apparatus and signal processing method thereof


Disclosed are a next-generation lidar sensor apparatus that may acquire and process individual characteristic information about an object in addition to distance and shape information about the object, and a signal processing method thereof. According to the present invention, it is possible to accurately and quickly identify and track the object by adding a function of measuring unique material characteristics, such as a color and reflectance of the object, to the three-dimension image lidar sensor for measuring a position and speed of the object.
Electronics And Telecommunications Research Institute
04/23/15
20150109497
new patent

Color imaging element and imaging device


The color imaging element and the imaging device according to the present invention can improve reproduction precision of demosaicing processing in a high frequency region and suppress aliasing. Further, the color imaging element can achieve high resolution by reducing occurrence of color moire (false color).
Fujifilm Corporation
04/23/15
20150109356
new patent

Image processing device, display device, electronic device and processing an image


An image processing device comprising: a conversion unit to receive a first input signal including first color information, a first color being reproduced at pixels on the basis of the first color information, the first input signal including first color information obtained from an input image signal corresponding to a red component, a green component and a blue component, to specify saturation of the first color, and configured to obtain luminance attenuation ratio on the basis of a relationship previously stored between saturation and luminance attenuation ratio, and the saturation of the first color, and to output a second input signal including second color information whose luminance is decreased from the first color information on the basis of the luminance attenuation ratio corresponding to the first color information; and a signal processing unit configured to output an output signal for driving the pixels on the basis of the second input signal.. .
Japan Display Inc.
04/23/15
20150109325
new patent

Display device and color conversion method


The display device includes an image display unit including a plurality of pixels each including first to third sub-pixels and a fourth sub-pixel for displaying an additional color component according to an amount of lighting of a self-emitting element; a conversion processing unit that receives a first input signal including first color information for display at a predetermined pixel, where the first input signal is obtained based on an input video signal, the conversion processing unit being configured to outputs a second input signal including second color information with a saturation reduced by an amount of saturation attenuation defined such that saturation variation falls within a predetermined range according to the first color information; and a fourth sub-pixel signal processing unit that outputs, to the image display unit, a third input signal including third color information with red, green, blue components and the additional color component that are converted based on the second color information.. .
Japan Display Inc.
04/23/15
20150109319
new patent

Display device and color conversion method


The display device includes an image display unit including pixels each including first to third sub-pixels and a fourth sub-pixel for displaying an additional color component according to an amount of lighting of a self-emitting element; a conversion processing unit that performs, for all of pixels, an image analysis on first color information for display at a predetermined pixel, and if a predicted value of power consumption as a total amount of lighting of self-emitting elements is above a limit, outputs a second input signal through a color conversion process on a first input signal including the first color information at a color conversion rate associated with the predicted value; and a fourth sub-pixel signal processing unit that outputs, to the image display unit, a third input signal including third color information with converted red, green, blue, and additional color components.. .
Japan Display - Inc.
04/23/15
20150108328
new patent

System and compensating dark current


A compensating current is applied at one or more points in a signal processing path to compensate for one or both of a dark or offset current present in an input signal. In certain implementations, the dark or offset current is present in a signal generated by a photomultiplier device.
General Electric Company
04/16/15
20150106932

Method and system for combining fiber optic link hierarchical stream metadata with internet protocol metadata


Physical layer and data-link layer data are connected with networking through application layer data/information to enable searching, sorting, and identification of novel relationships between signal sources and their contents. Metadata can be used at the physical layer in an optical fiber network, connecting with metadata generated at the data link layer, connected to metadata generated at the network to application layer.
Glimmerglass Networks, Inc.
04/16/15
20150106107

Systems and methods of energy-scaled signal processing


A method includes determining a first modeled high-band signal based on a low-band excitation signal of an audio signal, where the audio signal includes a high-band portion and a low-band portion. The method also includes determining scaling factors based on energy of sub-frames of the first modeled high-band signal and energy of corresponding sub-frames of the high-band portion of the audio signal.
Qualcomm Incorporated
04/16/15
20150105681

Active medical device, including an implantable defibrillator, for detection of qrs complexes in a very noisy signal


An active implantable medical device (e.g., implantable pacemaker or defibrillator), for detection of qrs complexes in noisy signals. Functional units (12-16) collect, amplify, prefilter and convert from analog-to-digital an endocardial signal, and digital functional units (18) provide signal processing and analysis of the digitized signal, for delivery of an indicator corresponding to a signal peak detection representative of the presence of a qrs complex in the endocardial signal.
Sorin Crm Sas
04/16/15
20150104188

Active beam shaping system and method using sequential deformable mirrors


An active optical beam shaping system includes a first deformable mirror arranged to at least partially intercept an entrance beam of light and to provide a first reflected beam of light, a second deformable mirror arranged to at least partially intercept the first reflected beam of light from the first deformable mirror and to provide a second reflected beam of light, and a signal processing and control system configured to communicate with the first and second deformable mirrors. The first deformable mirror, the second deformable mirror and the signal processing and control system together provide a large amplitude light modulation range to provide an actively shaped optical beam..
The Johns Hopkins University
04/16/15
20150104050

Determining the configuration of an audio system for audio signal processing


An audio system includes one or more speakers situated in an environment. The positions of components which are relevant to the audio system may be used to adapt how an audio signal is output from the speakers, in order to implement complex audio effects such as wave field synthesis and beamforming.
Imagination Technologies Limited
04/16/15
20150104045

Ultrasonic emitter system with an integrated emitter and amplifier


An ultrasonic emitter is provided, where at least one of an amplifier, driver circuit, and signal processing circuitry is integrated onto or into the ultrasonic emitter. The ultrasonic emitter may include a backing plate and an amplifier and/or associated processing integrated directly onto the backing plate for amplifying and matching an audio modulated ultrasonic carrier signal to the ultrasonic emitter.
Turtle Beach Corporation
04/16/15
20150104042

Audio control console


An audio control console includes a housing. The housing includes: an operating board provided with a plurality of rows of a plurality of channel strips each including a plurality of operating members each for controlling a value of a parameter of an audio signal processing in a signal processing channel; a support board comprising a flat blank region allowing an object to be placed thereon; and a stepped surface connecting the operating board and the support board to each other.
Yamaha Corporation
04/16/15
20150104029

System for controlling fan noise


A system for controlling fan noise includes a fin, a fan, a sensor, a signal processing unit, and a speaker. The fin has a front side and a rear side opposite to the front side.
Inventec (pudong) Technology Corporation
04/16/15
20150102830

Electro-diffusion enhanced bio-molecule charge detection using electrostatic interaction


According to one aspect, the disclosure is directed to an example embodiment in which a circuit-based arrangement includes a circuit-based substrate securing a channel, with an effective width that is not limited by the debye screening length, along a surface of the substrate. A pair of reservoirs are included in or on the substrate and configured for containing and presenting a sample having bio-molecules for delivery in the channel.
The Board Of Trustees Of The Leland Stanford Junior University
04/16/15
20150101937

Electrochemical sensing using voltage-current time differential


A device for signal processing. The device includes a signal generator, a signal detector, and a processor.
Emisense Technologies, Llc
04/16/15
20150101752

Substrate peripheral portion measuring device, and substrate peripheral portion polishing apparatus


A projecting/receiving unit (52) projects a laser light to a peripheral portion (30) and receives the reflected light while a liquid is being fed to a substrate (14) and is flowing on the peripheral portion (30). A signal processing controller (54) processes the electric signal of the reflected light to decide the state of the peripheral portion (30).
Ebara Corporation
04/09/15
20150101002

Signal processing apparatus, signal processing method, program, and signal transmission system


Provided is a signal processing apparatus, including: a mapping unit configured to map one of an 8k video signal and a 4k video signal into sdi data streams on a plurality of channels, the sdi data streams on the plurality of channels each conforming to a predetermined serial digital interface (sdi) format; and multiplexing units configured to perform one of 8b/10b conversion and scrambling of the sdi data streams on the plurality of channels in units of a predetermined bit, and multiplex the sdi data streams on the plurality of channels subjected to the one of the 8b/10b conversion and the scrambling, to thereby generate serial data streams in a plurality of lanes, the serial data streams in the plurality of lanes each having a bit rate within a range of from 25 gbps to 28.3 gbps.. .
Sony Corporation
04/09/15
20150100845

Transmitting apparatus and signal processing method thereof


A transmitting apparatus and a receiving apparatus are provided. The transmitting apparatus includes: an encoder configured to generate a low density parity check (ldpc) codeword by performing ldpc encoding; an interleaver configured to interleave the ldpc codeword; and a modulator configured to modulate the interleaved ldpc codeword according to a modulation method to generate a modulation symbol.
Samsung Electronics Co., Ltd.
04/09/15
20150099992

System and generating electrophysiology maps


A method of mapping cardiac electrical activity includes the acquisition of electrophysiological signals and using signal processing hardware to process such signals to identify lateness attributes thereof. If the lateness attribute exceeds a lateness threshold, then the corresponding point on the patient's heart can be designated as a therapy (e.g., ablation) target.
St. Jude Medical, Cardiology Division, Inc.
04/09/15
20150099975

Signal processing for intravascular imaging


An intravascular imaging system includes a transducer capable of generating raw data representative of the structure of a patient's vasculature. The system includes an imaging engine for receiving the raw data and generating enhanced data for presentation to a user.
Acist Medical Systems, Inc.
04/09/15
20150099957

Ecg device, ecg lead signal generating circuit, and related method


Embodiments of the invention disclose an ecg device, an ecg signal processing method, an ecg lead signal generating circuit, an ecg signal generating method, another ecg device, another ecg signal processing method, and an ecg electrode assembly. The ecg device has an electrode assembly and an ecg lead signal generating circuit.
Mediatek Inc.
04/09/15
20150099918

Radiation measuring device, particle beam therapy device provided with radiation measuring device, and calculating dose profile of particle beam


A radiation measuring device having a plurality of sensors configured to generate charges in response to the radiation includes a signal processing device. The signal processing device uses an signal generated by a proton beam irradiation device upon changing of beam energy and causes accumulation values of charges output from the sensors to be separately stored in a main control device for each value of the energy.
Hitachi, Ltd.
04/09/15
20150099561

Method for controlling rf signal processing components and communications apparatus utilizing the same


A communications apparatus includes a first radio module including at least a first baseband signal processing device and a first radio transceiver, a second radio module including at least a second baseband signal processing device and a second radio transceiver, and an rf front-end circuit, coupled to the first radio module and the second radio module and including a plurality of rf signal processing components. A portion of the rf signal processing components capable of processing the rf signals of both the first and second radio modules are coupled to both the first and second radio modules for being shared by the first and second radio modules, and the first and second radio modules are capable of establishing a dedicated wireless connection, simultaneously, via the rf front-end circuit..
Mediatek Inc.
04/09/15
20150098714

Optical communication receiving device and frequency offset compensation method


A receiving device that converts, to a digital signal, a signal in which signal light from an optical transmission path and local oscillation light are mixed, so as to perform digital signal processing, the optical communication receiving device comprising: a frequency offset compensation unit configured to calculate a frequency offset of the digital signal and to, based on the frequency offset, compensate for a phase of the digital signal; a carrier phase recovery unit configured to calculate a carrier phase of the digital signal whose phase is compensated for in the frequency offset compensation unit; and a residual frequency offset detection unit configured to calculate an average of differences in the carrier phase, and to output the average as a residual frequency offset, wherein the frequency offset compensation unit is configured to correct the frequency offset using the residual frequency offset output by the residual frequency offset detection unit.. .
Fujitsu Limited
04/09/15
20150098713

Coherent optical receiver, detecting inter-channel skew in coherent optical receiver


In a coherent optical receiver, sufficient demodulation becomes impossible and consequently receiving performance deteriorates if an inter-channel skew arises, therefore, a coherent optical receiver according to an exemplary aspect of the invention includes a local light source, a 90° hybrid circuit, an optoelectronic converter, an analog to digital converter, and a digital signal processing unit; wherein the 90° hybrid circuit makes multiplexed signal light interfere with local light from the local light source, and outputs a plurality of optical signals separated into a plurality of signal components; the optoelectronic converter detects the optical signals and outputs detected electrical signals; the analog to digital converter quantizes the detected electrical signals and outputs quantized signals; the digital signal processing unit includes a skew compensation unit for compensating a difference in propagation delay between the plurality of signal components, and an fft operation unit for performing a fast fourier transform process on the quantized signals; and wherein the difference in propagation delay is calculated on the basis of a plurality of peak values with a central focus on one peak value in the results of performing the fast fourier transform process.. .
Nec Corporation
04/09/15
20150098701

Optical unit and optical device


A signal processing element that modulates beam from an input/output unit, an optical substrate mounting the signal processing element, and a temperature controller that controls a temperature of the signal processing element are included, the signal processing element includes an incidence surface on which the beam is incident, a modulation layer that modulates the beam from the incidence surface, and a driving substrate for controlling the modulation of the beam arranged on the opposite side of the incidence surface, the temperature controller is arranged opposite the driving substrate, the incidence surface is connected to the optical substrate by a first connection portion, the driving substrate is connected to the temperature controller by a second connection portion, and an area on the temperature controller side of the second connection portion is more greatly deformed than that on the driving substrate side according to change in volume of the temperature controller.. .
Sumitomo Electric Industries, Ltd.
04/09/15
20150098579

Method and an integrated headset switch with reduced crosstalk noise


An integrated audio signal processing circuit is described for reducing crosstalk noise in an integrated headset switch for a headset having two speakers, a microphone sharing a common ground. The audio signal processing circuit includes two audio amplifiers and also has two terminals configured to be either a microphone connection terminal or a headset ground connection terminal, respectively, depending on the type of the headset.
Nuvoton Technolgoy Corporation
04/09/15
20150098511

Method and processing video signal


The present invention relates to a method and apparatus for processing a video signal, which can increase the accuracy of the motion vector prediction through motion vector scaling which takes a difference in the temporal distance between reference pictures into consideration. To this end, the present invention provides a video signal processing method and a video signal processing apparatus using the same, and the method comprises the steps of: scaling at least one neighboring partition motion vector for a motion vector prediction of the current partition; scaling the neighboring partition motion vector, which has been selected, when the reference picture of the neighboring partition motion vector is different from the reference picture of the current partition; acquiring a motion vector prediction value of the current partition using the scaled motion vector; and acquiring a motion vector of the current partition using the motion vector prediction value..
Lg Electronics Inc.
04/09/15
20150098305

Photoacoustic apparatus, operation photoacoustic apparatus, and program


A photoacoustic apparatus disclosed in the present specification includes: an acoustic wave transmission unit configured to transmit a transmission acoustic wave to a specific area; a control unit configured to control a transmission waveform of the transmission acoustic wave transmitted from the acoustic wave transmission unit; a light source configured to generate light emitted to an area including the specific area when the acoustic wave reaches the specific area; an acoustic wave reception unit configured to receive the acoustic wave and to output a time-series received signal; and a signal processing unit configured to acquire optical property information based on the time-series received signal, wherein the control unit controls the transmission waveform in such a manner that amplitude of a photoacoustic wave generated in the specific area is reduced by the transmission acoustic wave transmitted from the acoustic wave transmission unit.. .
Canon Kabushiki Kaisha
04/09/15
20150098019

Video signal processing apparatus, video display apparatus, and electronic device


The time necessary for specifying an improper video signal is significantly reduced. An input signal determination circuit and a signal distribution circuit are included, the input signal determination circuit determining, for video signals to be input to a synchronization circuit, whether or not each of the video signals satisfies a display reference for performing video display in a division display area corresponding to the video signal, the signal distribution circuit distributing, for another proper video signal for a video signal determined by the input signal determination circuit to be a video signal that does not satisfy the display reference for performing video display..
Sharp Kabushiki Kaisha
04/09/15
20150097726

Digital real time clock monitor for a gnss receiver and single pin signalling for power-on reset and wake-up interrupt


Methods, systems, and devices for monitoring a real time clock (rtc) oscillator using digital signal processing (dsp), where a resistance/capacitance (rc) oscillator is configured to output a digital pulse signal and a digital rtc monitor integrated circuit (ic) is configured to monitor the rtc oscillator timing signal using the rc oscillator signal. In one aspect, the rtc monitor ic includes an rtc input configured to receive the rtc oscillator timing signal; an rc input configured to receive the rc oscillator digital pulse signal; and an rtc reset output configured to output an rtc reset signal when a comparison of the rtc and rc oscillator inputs show the rtc oscillator has missed one or more clock cycles.
Samsung Electronics Co., Ltd.
04/02/15
20150095965

Signal processing apparatus and signal processing method thereof


A signal processing apparatus is provided. The signal processing apparatus includes: a packet classifier configured to receive a transport stream including a content, and classify a plurality of packets constituting the content into a plurality of packet groups according to a predetermined condition; and a transport unit configured to transport the plurality of packet groups through a plurality of signal processing routes to each of which a different signal processing method is applied..
Samsung Electronics Co., Ltd.
04/02/15
20150095745

Transmitting apparatus, receiving apparatus, and controls method thereof


Provided are apparatuses and methods for generating and transmitting transmission frames of information data. A transmitting apparatus includes: a stream processor configured to generate a plurality of baseband frames; a frame generator configured to generate, from the plurality of baseband frames, a plurality of transmission frames which includes information data commonly provided to a fixed device and a mobile device, first parities to be used for signal processing at the fixed device, and second parities to be used for signal processing at the mobile device; and a transmitter configured to transmit the plurality of transmission frames..
Samsung Electronics Co., Ltd.
04/02/15
20150095744

Transmitting apparatus and signal processing method thereof


A transmitting apparatus and a receiving apparatus are provided. The transmitting apparatus includes an encoder configured to generate a low density parity check (ldpc) codeword by performing ldpc encoding, an interleaver configured to interleave the ldpc codeword, and a modulator configured to modulate the interleaved ldpc codeword according to a modulation method to generate a modulation symbol.
Samsung Electronics Co., Ltd.
04/02/15
20150095038

Speech/audio signal processing method and coding apparatus


The present disclosure provides a speech/audio signal processing method based on wideband switching and a coding apparatus. The method includes: if a first wideband speech/audio signal is a harmonic signal, adjusting a determining condition for determining that a second wideband speech/audio signal is a harmonic signal, to obtain a first determining condition, where the first wideband speech/audio signal is a signal before wideband switching, and the second wideband speech/audio signal is a signal after the wideband switching; and determining, according to the first determining condition, whether the second wideband speech/audio signal is a harmonic signal.
Huawei Technologies Co., Ltd.
04/02/15
20150094557

Patches for bio-electrical signal processing


An embodiment of the invention provides a patch for bio-electrical signal processing. The patch for bio-electrical signal processing includes a patch main body, a set of electrodes, and a lead signal generator.
Mediatek Inc.
04/02/15
20150092960

Managing input/output ports in mixer system using virtual port data


An i/o unit includes a plurality of ports, a mixer includes processing channels, and the mixer and the i/o unit are interconnected via a network. The mixer stores channel data per processing channel.
Yamaha Corporation
04/02/15
20150092957

Vehicle sound generation apparatus, and vehicle sound generation method


A vehicle sound generation apparatus 20 is constituted by a first pressure sensor 21a, a second pressure sensor 21b, a signal processing section 24 which performs processing of changing pressure signals output from the first pressure sensor 21a and the second pressure sensor 21b in accordance with the operation state of an automobile 10, and speakers 28a, 28b which output, as an intake sound of an engine 12, a sound pressure signal processed by the signal processing section 24. The first pressure sensor 21a is provided on an intake duct 15 connecting an air cleaner 16 and a throttle body 17 at a position between the air cleaner 16 and the center of the intake duct 15, and the second pressure sensor 21b is provided between the engine 12 and the throttle body 17..
Yamaha Corporation
04/02/15
20150092890

Efficient signal processing for receive and transmit dbf arrays


In a phased-array communications system with a distributed processing architecture, channelized beamforming is used to minimize sampling and computational requirements, as well as reduce the data rates required for the communication of data and control information between system components. A central processor within the phased array system performs parallelized synthesis of channelized beams to form beams composite beams in sub-bands that overlap multiple channels.
Cubic Corporation
04/02/15
20150092883

Transmitting apparatus, receiving apparatus, and controlling the same


Provided are a transmitting apparatus, a receiving apparatus and methods of controlling the transmission and reception. The transmitting apparatus includes: a baseband packet generator configured to, in response to input of data, generate a baseband packet for mapping the data with a physical layer; a baseband frame generator configured to generate a baseband frame including the baseband packet; a signal processor configured to signal-process the baseband frame; and a transmitter configured to transmit the baseband frame after the signal processing, wherein the baseband packet includes signaling information which indicates that the data comprises at least one of base layer data and enhancement layer data..
Samsung Electronics Co., Ltd.
04/02/15
20150092685

Signal processing system and signal processing method


The signal processing system includes: a digital unit connected to a core system and configured to process a radio digital signal; and a plurality of radio units physically separated from the digital unit, configured to convert and amplify a digital signal received from the digital unit and transmit the amplified signal to a terminal based on a multi-input multi-output (mimo) transmission using two antennas, and receive a signal transmitted from a terminal based on mimo using the two antennas and deliver the received signal to the digital unit, wherein two radio units, among the plurality of radio units, transmit data signals by using a cell-specific reference signal to a terminal located within a cell, rather than being located in a cell boundary area, under the control of the digital unit, and with respect to a terminal located in the cell boundary area and adjacent to a cell, a radio unit of the adjacent cell transmits a data signal by using a user-specific reference signal to the terminal.. .
04/02/15
20150092683

Dynamic secondary cell (scell) allocation and frequency planning for carrier aggregation


Certain aspects of the present disclosure provide methods and apparatus for dynamically secondary cell (scell) allocation and frequency planning for carrier aggregation. One example system for radio frequency (rf) signal processing, generally includes a first integrated circuit (ic) comprising two or more receive chains, each receive chain for processing one of multiple component carriers in a carrier aggregation (ca) signal, wherein the first ic is configured to downconvert a signal associated with a primary cell of the ca signal; and a second ic configured to downconvert one or more signals associated with one or more secondary cells of the ca signal.
Qualcomm Incorporated
04/02/15
20150092586

Receiver with frequency deviation detection capability and method therefor


A receiver includes an analog receiver and a digital processor. The analog receiver has an input for receiving a radio frequency (rf) signal, and an output for providing a digital intermediate frequency signal.
Silicon Laboratories Inc.
04/02/15
20150092096

Solid-state imaging device, signal processing solid-state imaging device, and electronic apparatus


A solid-state imaging device includes a pixel array section and a signal processing section. The pixel array section is configured to include a plurality of arranged rectangular pixels, each of which has different sizes in the vertical and horizontal directions, and a plurality of adjacent ones of which are combined to form a square pixel having the same size in the vertical and horizontal directions.
Sony Corporation
04/02/15
20150092085

Imaging device


An imaging device includes an imaging unit, a signal processing unit, a frequency dividing unit, a noise processing unit, a noise frequency unifying unit, an edge processing unit, an edge frequency unifying unit, a synthesizing unit, and a control unit. The control unit controls the rates of the noise processing results of respective frequency components unified by the noise frequency unifying unit, and the rates of the edge processing results of the respective frequency components unified by the edge frequency unifying unit in accordance with control of operations of constituent elements included in the imaging device..
Hitachi Industry & Control Solutions, Ltd.
04/02/15
20150091951

Display device and display correction method


A display device includes a display which is configured to display an image; a backlight which is turned on in the rear face of the display; a storage unit which is configured to store luminance characteristics at the center of the display; an optical sensor which is configured to measure luminance in the periphery of the display; and a signal processing unit which is configured to correct the measured value measured with the optical sensor in the periphery of the display based on luminance characteristics stored in the storage unit, thus controlling the luminance of the display based on the corrected measured value.. .
04/02/15
20150091627

Variability resistant circuit element and signal processing method


A sequential circuit arrangement and method are provided in which a latch input signal and a latched version of the input signal are compared to derive a difference signal. This difference signal can detect when changes in the input are not propagated to the output.
Nxp B.v.
04/02/15
20150091549

Microwave voltmeter using fully-linearized diode detector


A radio frequency diode detector has a set of diodes having a differential voltage output, and a current source electrically coupled to the ring of diodes, the current source coupled to provide a forward bias current. This is followed by nonlinear signal processing to create an overall linear detector suitable for use in microwave power measurement..
Analog Devices, Inc.
04/02/15
20150091469

Undervoltage protection circuit for led lamp


An undervoltage protection circuit for led lamp includes a dc/dc converter, and a controlling circuit module. The controlling circuit module includes a signal collecting unit configured for collecting a signal, a signal comparing unit electrically connected to the signal collecting unit, and a signal processing unit electrically connected to the signal comparing unit.
Ningbo Self Electronics Co.


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