|| List of recent Signal Processing-related patents
|Image steered microphone array|
A system includes a microphone array having a plurality of microphones. The system further includes a camera configured to capture stream video and a processing device configured to steer the microphone array based at least in part on the video acquired by the camera.
Echostar Technologies L.l.c.
|Speaker device and audio signal processing method|
A speaker apparatus includes an input portion to which audio signals of a plurality of channels are input, a plurality of speakers, a directivity controlling portion that delays the audio signals of the plurality of channels input to the input portion and distributes the delayed audio signals to the plurality of speakers so that the plurality of speakers output a plurality of sound beams, and a localization adding portion that applies a filtering processing based on a head-related transfer function to at least one of the audio signals of the plurality of channels input to the input portion and inputs the processed audio signal to the plurality of speakers.. .
|Acoustic processing device|
The present invention provides an acoustic processing device capable of providing a high-quality sound even in a standby through mode. A controller is characterized by supplying power from an auxiliary power supply to a sound signal processing unit in the standby through mode.
|Optical signal processing apparatus|
To provide an optical signal processing device that can collect light from an input waveguide to form a beam array having a small diameter. The optical signal processing device includes input waveguides 302a to 302c, an array waveguide 305 and a slab waveguide 304 that is connected to a first arc 304a having the single point c as a center and input waveguides 302a to 302c and that is connected to a second arc 404b having the single point c as a center and an array waveguide 305..
Nippon Telegraph And Telephone Corporation
|Pixel interpolation apparatus, imaging apparatus, pixel interpolation processing method, integrated circuit, and non-transitory computer readable storage medium|
A pixel interpolation apparatus, an imaging apparatus, a program, and an integrated circuit allow appropriate pixel interpolation processing on an image signal obtained by a single-chip image sensor having a wrgb color filter array. An imaging apparatus includes an imaging unit, a signal processing unit, and a pixel interpolation processing unit.
|Solid-state image sensing apparatus|
In a solid-state image sensing apparatus of an addressing method, a clock-conversion part generates a high-speed clock signal having a frequency two times or more the frequency of a low-speed clock signal. A signal processing part receives 10-bit pixel data through a horizontal signal line, performs predetermined signal processing, and passes parallel-format data to a switching part.
|Solid state image pickup device|
A solid state image pickup device is provided that includes a pixel array unit having a plurality of pixels and a signal processing circuit that has a capacitor operatively configured to process a respective signal output from each of the plurality of pixels. The capacitor is operatively configured as a stacked capacitor or a trench capacitor..
|Solid-state image pickup apparatus, signal processing a solid-state image pickup apparatus, and electronic apparatus|
A solid-state imaging device includes a pixel array section that has at least one pixel with a photoelectric conversion unit and a charge detection unit. A driving section is configured to read out a signal of the pixel, a first portion of said signal being based on signal charge, a second portion of said signal being based on a reset potential.
|Method and apparatus to correct digital image blur by combining multiple images|
signal processing techniques are applied to digital image data to remove the distortion caused by motion of the camera, or the movement of the subject being photographed, or defective optics, or optical distortion from other sources. When the image is captured, the effect of relative motion between the camera and the subject is that it transforms the true image into a blurred image according to a 2-dimensional transfer function.
|Sounding reference signal processing for lte|
A wireless communication receiver including a serial to parallel converter receiving an radio frequency signal, a fast fourier transform device connected to said serial to parallel converter converting nfft corresponding serial signals into a frequency domain; an ezc root sequence unit generating a set of root sequence signals; an element-by-element multiply unit forming a set of products including a product of each of said frequency domain signals from said fast fourier transform device and a corresponding root sequence signal, an nsrs-length idft unit performing a group cyclic-shift de-multiplexing of the products and a discrete fourier transform unit converting connected cyclic shift de-multiplexing signals back to frequency-domain.. .
Texas Instruments Incorporated
Impedance matching device-integrated network signal processing circuit
An impedance matching device-integrated network signal processing circuit includes a first connection terminal electrically connected to the network chip, a second connection terminal electrically connected to the network connector, a plurality of circuit paths electrically connected between the first connection terminal and the second connection terminal, a coupling circuit including a plurality of capacitors respectively connected in series to the circuit paths and a plurality of inductors respectively connected in parallel between each two adjacent circuit paths, and a plurality of impedance matching devices respectively electrically connected in series to each two adjacent circuit paths, each impedance matching device including two microstrip coils respectively electrically connected in series to each two adjacent circuit paths between the first connection terminal and respective the inductors to keep the impedance at the motherboard of the computer in balance with the impedance at the network cable, avoiding signal interference and achieving signal transmission stability.. .
Ajoho Enterprise Co., Ltd.
Digital signal processing device
A digital signal processor which performs digital signal processing of a digital signal includes a statistical analysis method which calculates a moving average and a standard deviation from the digital signal, performs statistical decision deciding whether or not the digital signal is within a predetermined range obtained from the moving average and the standard deviation, and corrects the digital signal outside the range within the range. Statistical analysis of the digital signal is performed, thereby suppressing transient changes without increasing the number of times of averaging during the digital signal processing..
Nippon Telegraph And Telephone Corporation
Provided is a data converter which is provided with a clock signal input part which inputs a clock signal, and an input part which inputs an input signal, a sampling part which, in response to the clock signal input to the clock signal input part, performs sampling of the input signal input to the input part, and a signal processing part which performs signal processing according to the sampling cycle and outputs an output signal, wherein when the cycle of the clock signal input to the clock signal input part becomes longer, the output signals output by the signal processing part are reduced.. .
Trigence Semiconductor, Inc.
Amplification circuit, amplification device, afe circuit, and signal processing system
According to one embodiment, an amplification circuit includes first and second differential amplification circuits, each having an output connected to an output terminal and a feedback resistor connected between the output and a negative input of the respective differential amplification circuit. The amplification circuit includes a switching circuit that receives a first signal on first input terminal and a second signal on a second input terminal and includes set of switches that is configured to apply the first and second signals to the first and second differential amplification circuits such that in a first switching state an amplified voltage difference of the first and second signals is available between the two output terminals, and in a second switching state an amplified current difference of the first and second signals is available between the two output terminals..
Kabushiki Kaisha Toshiba
Control device of power conversion unit and controlling power conversion unit
A control device and control method of power conversion unit applied to a three-phase ac grid. The control device includes detection unit, current detection unit, and signal processing unit.
Delta Electronics (shanghai) Co., Ltd.
Charged particle microscope system and measurement method using same
A charged particle microscope system with a charged particle microscope including an irradiation unit that irradiates a subject to be inspected with a charged particle beam and a detection unit having a detector that detects a charged particle signal from the subject to be inspected irradiated by the irradiation unit; a signal processing unit that converts the charged particle signal detected by the detector of the charged particle microscope into an image signal; and an arithmetic processing unit that corrects the image signal converted by the signal processing unit with the use of signal conversion characteristics.. .
Hitachi High-technologies Corporation
Storage element, storage device, and signal processing circuit
A signal processing circuit whose power consumption can be suppressed is provided. In a period during which a power supply voltage is not supplied to a storage element, data stored in a first storage circuit corresponding to a nonvolatile memory can be held by a first capacitor provided in a second storage circuit.
Semiconductor Energy Laboratory Co., Ltd.
Apparatus for detecting voice and controlling method thereof
Embodiments of the invention provide a method and apparatus for detecting a voice. The apparatus, according to various embodiments of the invention, includes a driving signal processing unit configured to generate a driving signal using a first output voltage induced from an initial voice signal sensed by a piezoelectric and a first preset reference voltage.
Samsung Electro-mechanics Co., Ltd.
Portable terminal device, program, device shake compensation method, and condition detection method
A portable terminal device operable by an operator is provided with a display unit which displays display data, an image capturing unit and an image signal processing unit which acquire image data containing the face of the operator, a detection unit which detects a relative positional change between the display data displayed on the display unit and the face of the operator based on the acquired image data to create change data, a determination unit which determines whether or not the operator is walking, and a display control unit which, in a case where the determination unit has determined that the operator is walking, controls a displaying position in the display unit of the display data displayed on the display unit so that the relative positional change detected by the detection unit is suppressed.. .
Pixel interpolation apparatus, imaging apparatus, pixel interpolation processing method, integrated circuit, and non-transitory computer readable storage medium
An imaging apparatus includes an imaging unit, a signal processing unit, and a pixel interpolation processing unit. The apparatus calculates a correlation degree for pairs in two orthogonal directions for an image signal obtained by the imaging unit including a single-chip image sensor having a four-color filter, such as a wrgb color filter, using pixel data in an area around a target pixel, using the correlation degree as a determination criterion in the interpolation.
Signal processing arrangement
A technique for defining and controlling a signal processing arrangement includes an apparatus arranged to provide a graphical user interface (gui) for controlling a signal processing arrangement for processing one or more input signals via one or more user-selectable and user-configurable signal processing modules. The gui is configured to provide a user with selection elements arranged to enable selecting one or more signal processing modules for inclusion in the signal processing arrangement, with definition elements arranged to enable defining connections between the user-selected signal processing modules and between the one or more inputs of the signal processing arrangement and the user-selected signal processing modules and with configuration elements arranged to enable configuring one or more dependency rules for the user-selected signal processing modules.
Analog signal processing accurate single antenna direction finding
Embodiments are directed to receiving an incoming signal, converting, by an analog circuit, the signal to a discrete time signal, applying, by the analog circuit, a transformation algorithm to the discrete time signal to obtain frequency samples of the discrete time signal, applying, by the analog circuit, a cross correlation algorithm to the frequency samples to obtain a cross spectral density (csd), detecting, by the analog circuit, phase slopes associated with the csd, and calculating an angle of arrival (aoa) of the incoming signal based on the phase slopes.. .
Magnetic field detecting device
A magnetic field detecting device which comprises a magnetic impedance sensor including a magnetic impedance element 1 in which a detecting coil 11 wound around an amorphous wire 10 for detecting and outputting the external magnetic field around the amorphous wire at a rise time and a fall time of the pulse current in case of the pulse current is applied to the amorphous wire and a signal processing device 3 includes two sample-hold circuit 31, 32 for respectively sample-holding the alternate current damped oscillation voltage at the rise time and the fall time of the applied pulse current, wherein the output signal in response to the external magnetic field around the amorphous wire is output based on the detected two alternate current damped oscillation voltages output at the rise time and the fall time of the pulse current.. .
Aichi Steel Corporation
High frequency module
A high frequency module includes a module board, a connection member, and test terminals. The module board has a first surface on which a transmit antenna and a receive antenna are provided and a second surface on which a signal processing ic is provided, the second surface of the module board being the opposite side of the first surface.
Panasonic Intellectual Property Management Co., Ltd.
Temperature measurement system and abnormality detection method
A temperature measurement system includes an optical fiber, a temperature distribution measurement apparatus, and a data processing apparatus. The temperature distribution measurement apparatus is configured to detect backscattered light by causing light to enter the optical fiber, and acquire the temperature distribution of the optical fiber in the length direction thereof based on the result of the detection.
In-motion weighing system
A weighing apparatus and method enable an object to be weighed while the object and/or the weighing apparatus is in motion. The apparatus and method employ a load cell and an accelerometer that are both mounted on a platform upon which the object is situated.
Lts Scale Company, Llc
Radiation signal processing device, radiation imaging system, and radiation signal processing method
A radiation signal processing device including: a reception section that receives as a digital signal a signal representing a detection result from a radiation imaging device that captures an image according to irradiated radiation, and that detects a radiation irradiation amount and outputs the signal representing the detection result; and a conversion section that converts the digital signal representing the detection result received by the reception section into an analogue signal recognizable by a radiation irradiation device that irradiates radiation onto the radiation imaging device and stops radiation irradiation in cases in which radiation has reached a specific irradiation amount.. .
Base station device and signal transmitting method thereof
The present invention relates to a base station device and a signal transmitting method thereof. The base station device according to the present invention includes a digital signal processing device configured to separate transmission data into a first data area and a second data area, to verify whether first data detected from the first data area is pre-transmitted data, to compress any one of the first data and second data detected from the second data area based on a result of the verifying, and to transmit the compressed data via an interface, and a radio signal processing device configured to combine the first data and the second data and wirelessly transmit the transmission data when the second data is received from the digital signal processing device in a state in which the first data is received via the interface connected to the digital signal processing device and stored..
Electronics And Telecommunications Research Institute
Multi-modal audio system with automatic usage mode detection and configuration capability
An audio system that may be used in multiple modes or use scenarios, while still providing a user with a desirable level of audio quality and comfort. The inventive system may include multiple components or elements, with the components or elements capable of being used in different configurations depending upon the mode of use.
Electric device, remote control signal determining program and remote control signal processing method
When a received remote control signal does not satisfy any one of a plurality of conditions for a qualified remote control signal stored in a signal condition storage part, an electric device determines that the remote control signal is not a qualified remote control signal, and when the received remote control signal satisfies any one of the conditions, stores the remote control signal as a qualified remote control signal in a signal storage part. Next, when the received remote control signal matches the qualified remote control signal stored in the signal storage part, control is performed such that the electric device performs a predetermined operation.
Imaging 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.
Signal processing apparatus, signal processing method, image pickup element, and imaging apparatus
Provided is a signal processing apparatus, including: an a/d conversion unit configured to perform a/d conversion of a first signal, a/d conversion of a second signal, a/d conversion of a third signal, and a/d conversion of a fourth signal; and a correlated double sampling processing unit configured to generate a first output signal by performing correlated double sampling using a first digital data item obtained through the a/d conversion of the first signal, and a second digital data item obtained through the a/d conversion of the second signal, a second output signal by performing correlated double sampling using a third digital data item obtained through the a/d conversion of the third signal, and a fourth digital data item obtained through the a/d conversion of the fourth signal, and a third output signal by performing correlated double sampling using the first output signal and the second output signal.. .
Photoelectric conversion apparatus and imaging system using the same
Provided is a photoelectric conversion apparatus including: a pixel array having pixels arranged in matrix; a pixel output line provided according to each column of the pixel array and transmitting a pixel signal output from a pixel of each column of the pixel array; a column signal processing unit provided according to each column of the pixel array and into which the pixel signal is input from the pixel output line, in which the column signal processing unit has a plurality of horizontal adding up or averaging units configured to add up or average the plurality of pixel signals based on the pixels of different columns of the pixel array; and a plurality of adding up or averaging modes with different numbers of columns subjected to adding up or averaging can be selected by selectively using one or a plurality of the plurality of horizontal adding up or averaging units.. .
Canon Kabushiki Kaisha
Semiconductor device and signal processing method thereof
A semiconductor device includes a one-segment tuner i/f that is connected to a one-segment tuner, a tuner i/f that is connected to a digital terrestrial tuner, a decoder that selectively decodes a first broadcast signal supplied from the one-segment tuner i/f and a second broadcast signal supplied from the tuner i/f, a general purpose processor that is provided separately from the decoder and decodes the first broadcast signal, and a switch unit that, based on signal intensity of the second broadcast wave, switches the decoding by the decoder between the first broadcast signal and the second broadcast signal while the general purpose processor is decoding the first broadcast signal. The one-segment tuner i/f, the tuner i/f, the decoder, the general purpose processor, and the switch unit are integrated on one chip..
Renesas Electronics Corporation
System and a multi-wavelength coherent receiver
Embodiments are provided for a novel multi-wavelength coherent receiver (mwcr) design and operation capable of detecting multiple optical wavelength channels. The embodiments include an optical receiver comprising a polarization-diversity optical hybrid module, a multiple wavelength local oscillator (mwlo) coupled to an input of the polarization-diversity optical hybrid module, a plurality of pin diodes coupled to the polarization-diversity optical hybrid module, a plurality of analog-to-digital converters (adcs) coupled to the pin diodes, and a digital signal processing (dsp) module coupled to the adcs.
Futurewei Technologies, Inc.
System and 400g signal generation and coherent detection
A novel digital signal processing scheme (dsp) for quadrature duobinary (qdb) spectrum shaped polarization multiplexed quadrature phase shift keying (pm-qpsk) based on multi-modulus blind equalizations (mmbe) is proposed and demonstrated with both simulation and experimental results. The key algorithms for this novel digital signal processing scheme include the cascaded multi-modulus algorithm (cmma) for blind polarization de-multiplexing, multi-modulus qpsk partitioning frequency offset estimation (foe) and two stage carrier phase recovery (cpr) with maximum likelihood phase estimation.
Optical transceiver and signal processing optical transceiver
An optical transceiver converts a received optical signal to an electric signal and converts the electric signal to a digital signal, and has an adaptive equalizer to adaptively equalize the digital signal, a synchronization part to synchronize a first polarized wave and a second polarized wave contained in the adaptively equalized digital signal and having polarization axes perpendicular to each other, and a symbol offset determination part to determine an amount of symbol offset between the first polarized wave and the second polarized wave based upon symbol synchronization information of the first polarized wave and the second polarized wave supplied from the synchronization part, the symbol offset determination part being configured to repeat determination of the amount of symbol offset and restart the adaptive equalizer until the symbol offset is minimized.. .
Apparatus and processing signal of basestation
The present invention relates to a signal processing apparatus and method of a basestation. The apparatus according to the present invention includes a plurality of first processing units which allocates transmission data to a predetermined frequency band and transmits a transmission signal in which control information is allocated to a guard band in the predetermined frequency band; a plurality of second processing units which extracts the control information from the guard band in the predetermined frequency band for a reception signal to perform a corresponding operation and extracts the transmission data from the predetermined frequency band to transmit the transmission data through the antenna; and an optical transmitting unit which combines a plurality of transmission signals received from the plurality of first processing units into one signal to transmit the signal to the plurality of second processing units through the optical cable..
Electronics And Telecommunications Research Institute
Clock generation circuit and electronic apparatus
A clock generation circuit includes a delay clock generation unit configured to generate a predetermined number of delay clock signals having different delay time periods for a reference clock signal; a low-speed clock generation unit configured to generate a low-speed clock signal having a lower frequency than the reference signal in accordance with a control signal that controls a phase; a control signal processing unit configured to perform, on the control signal, a quantization process for quantizing a value of the control signal into the predetermined number of discrete values and a modulation process for distributing a quantization error in the quantization process in a band of frequencies higher than a predetermined frequency; a selection unit configured to select any one of the predetermined number of delay signals in accordance with the control signal; and an output unit configured to output the low-speed signal in synchronization with the selected signal.. .
Signal processing apparatus and signal processing method
A signal processing apparatus includes a transform unit configured to orthogonally transform an audio signal; an analysis unit configured to analyze the audio signal orthogonally transformed by the transform unit and estimate a very high frequency stationary signal component; and a signal processing unit configured to perform signal processing to reduce the very high frequency stationary signal component estimated by the analysis of the analysis unit with respect to the audio signal.. .
Information processing device and memory test method
An information processing device includes a storage unit and a processor. The storage unit stores margin information, which stores a specified margin indicating a length of time in which signal processing is operated normally, in association with the type of a memory and the operation environment.
Methods and arrangements for smartphone payments and transactions
The disclosure relates to digital signal processing such as digital watermarking, and the utilization of portable devices for such signal processing. One claim recites a portable device comprising a touch screen display; memory for storing a payload, and for storing portions of imagery; means for processing the payload with an erasure code generator, in which the erasure code generator produces a plurality of outputs corresponding to the payload; means for embedding a first of the plurality of outputs in a first portion of the imagery and proceeding with embedding until each of the plurality of outputs is embedded in portions of the imagery; and means for causing the touch screen display to display embedded portions of imagery so that a digital watermark reader analyzing captured image data representing the touch screen display can recover the payload.
Data processing device and program thereof
A signal processing unit (11) displays a menu included in av data on a display (4), when a button included in the menu is selected through a user operation to a touch panel (5), the signal processing unit (11) executes the operation process of the button, and returns a state of the menu to a state before the button is selected if a state where the button is selected continues after the execution. By this means, it is possible to improve usability when a dummy button is selected through operation to the touch panel..
Panasonic Intellectual Property Management Co., Ltd.
Signal processing device and signal processing method in wind profiler
In a wind profiler, the number of acquisition ranges is expanded up to heights where noise is introduced into a received signal, even in the case where noise due to transmit/receive switching is introduced. A signal processing device in a wind profiler emits an electromagnetic wave pulse into a space, switches from transmitting to receiving, receives an electromagnetic wave reflected from a target to be observed, and measures wind speed from a doppler frequency of the received electromagnetic wave, and includes an unnecessary data determiner that detects a noise section in which switching noise occurs due to the switching between transmitting and receiving, and an unnecessary data eraser that converts a received signal in the noise section to substantially insignificant data..
Mitsubishi Electric Corporation
Sky polarization and sun sensor system and method
A system for determining a new orientation and/or position of an object comprises a sky polarimeter configured to record image data of the sky, a signal processing unit, and logic configured to receive and store in memory the image data received from the sky polarimeter. The logic calculates the stokes parameters (s0, s1, s2,), dolp, and aop from the image data, detects obscurants and filters the obscurants (such as clouds and trees) from the image data to produce a filtered image.
Polaris Sensor Technologies, Inc.
Pressure measurement device with automatic position correction
The invention describes a pressure transducer having a pressure measuring cell, a position sensor, and an analysis device which has at least one signal processing device and a position correction device for the purpose of determining a position error, wherein the at least one position sensor is arranged in a stationary position relative to the pressure measuring cell, and the position sensor is electrically connected to the position correction device, wherein a first signal is provided by the signal processing device, said signal being determined from a signal provided by the pressure measuring cell, wherein a second signal is provided by the position sensor, and wherein an output signal is provided by the position correction device, determined from the first and the second signals.. .
Vega Grieshaber Kg
Tire-pressure monitoring device
A tire-pressure monitoring device includes a detecting unit that detects tire pressure information of a tire for outputting a detection signal, a signal processing unit that includes a modulator block and a mixer block to process the detection signal so as to selectively output one of a first band output having a frequency within a first frequency band, and a second band output having a frequency within a second frequency band, an antenna, and an impedance matching network coupled between the signal processing unit and the antenna. The impedance matching network is configured such that an output impedance of the signal processing unit and an input impedance of the antenna are matched..
Systems and methods for dynamic imaging of tissue using digital optical tomography
A methods for imaging tissue using diffuse optical tomography with digital detection includes directing at the tissue a plurality of amplitude modulated optical signals from a plurality of optical signal sources illuminating the tissue at a plurality of locations; detecting a resulting plurality of attenuated optical signals exiting the tissue to obtain a plurality of analog signals containing diffuse optical tomographic information; converting the analog signals into digital signals; recovering the tomographic information from the digital signals using a digital signal processor-based detection module that performs digital detection, wherein the detection module includes a master digital signal processing subsystem and at least one slave digital signal processing subsystem that processes at least a portion of the digital signals and the master digital signal processing subsystem controls the at least one slave digital signal processing subsystem; and transmitting the recovered tomographic information in digital form to a host computer.. .
The Trustees Of Columbia University In The City Of New York
Wireless surveillance camera system and wireless surveillance camera device
To enable configuration and control of a camera at the same time while providing a certain band and low-delay communication for video and/or voice data, a wireless surveillance camera device includes: a signal processing unit that applies signal processing to the video and/or voice data; and a configuration unit that acquires configuration information data related to video parameters and/or wireless parameters in the device, wherein data communication of the video and/or voice data is performed for a wireless base station based on a polling system, and data communication of the configuration information data is performed for the wireless base station based on a carrier sense system.. .
Hitachi Kokusai Electric Inc.
Method for deactivated secondary cell measurement and communications apparatus utilizing the same
A method for deactivated secondary component carrier (cc) measurement in a communications apparatus providing wireless communications services via a first cc in a wireless network includes: determining a switch timing to perform bandwidth extension or frequency adjustment required for performing a deactivated secondary cc measurement; extending an operation bandwidth or adjusting a center frequency of at least one signal processing component included in the communications apparatus at the switch timing, wherein an operation band defined by the operation bandwidth and the center frequency of the signal processing component covers at least a bandwidth of the secondary cc; and performing the deactivated secondary cc measurement after extending the operation bandwidth or adjusting the center frequency. The secondary cc is not able to perform data transmission or reception during a deactivated state..
Directional filtering of audible signals
Various implementations described herein include directional filtering of audible signals, which is provided to enable acoustic isolation and localization of a target voice source. Without limitation, various implementations are suitable for speech signal processing applications in, hearing aids, speech recognition software, voice-command responsive software and devices, telephony, and various other applications associated with mobile and non-mobile systems and devices.
Malaspina Labs (barbados), Inc.
Audio signal processing
Disclosed is an audio signal processing device comprising an input for receiving a noisy audio signal, a variable gain component and a noise suppression component. The noisy audio signal has a desired audio component and a noise component.
Solid-state image pickup device, signal processing the same, and image pickup apparatus using the same
A solid-state image pickup device includes: comparators; counters; and a control portion for carrying out control in such a way that in a phase of an addition mode, the two comparators and the two counters corresponding to the two pixel columns, respectively, are set as a unit, 1 is added to a second digit of one counter of the two counters when both the comparison results from the two comparators has a first logic, 1 is added to a first digit of the one counter when one of the comparison results from the two comparators has the first logic, and 1 is added to none of the first digit and the second digit of the one counter when both the comparison results from the two comparators has a second logic.. .
Direct-detected orthogonal frequency-division multiplexing with dispersion pre-compensation digital signal processing
Chromatic dispersion is pre-compensated in a direct-detected orthogonal frequency-division multiplexed optical transmitter through digital signal processing methods, to generate signals that can be transmitted over an optical fiber. The dispersion pre-compensation digital signal processing may include multiplying subcarriers by a respective factor.
Ofdm signal processing method and apparatus
The invention provides a reception method and apparatus which provides a series of frequency shifts and filtering operations to sideband signals (lower, upper, and middle), to enable detection if the central part of a signal is analogue or digital, and to enable effective co-channel interference compensation. The invention enables (h)iboc signals for example to be processed with a narrower bandwidth and therefore a lower processing clock speed and complexity is made possible compared to the conventional (h)iboc-signal processing approach..
Methods and coherent duobinary shaped pm-qpsk signal processing
Systems, devices and techniques for receiving a signal comprising a quadrature duobinary modulated signal include performing channel equalization of the received signal using a constant multi-modulus to obtain a set of channel estimation coefficients and a stream of symbols, partitioning, based on modulus, the stream of symbols into three partitions, estimating carrier frequency based on the partitioned stream of symbols, recovering a phase of the signal using a maximum likelihood algorithm, and decoding the partitioned stream of symbols to recover data.. .
Zte (usa) Inc.
Signal processing circuit
In an integration mode, since a switch becomes off, a positive feedback path from an output terminal of an operational amplifier to a positive input terminal is blocked. Therefore, oscillation can be prevented even when a voltage of a signal line connected to a reference voltage supply point varies due to an impedance of the reference voltage supply point not being 0.
Alps Electric Co., Ltd.
Circuit for signal transfer and galvanic isolation
A circuit for signal transfer and galvanic isolation between first and second digital signal processing units, wherein a first signal path is provided between the first and second signal processing units. The first signal path has a first section, which includes positive and negative signal lines and serves for transfer of a differential signal between the first and second signal processing units.
Endress + Hauser Flowtec Ag
Amplifier with reduced idle power loss using single-ended loops
A method of audio signal processing includes receiving a first audio input signal (first input signal) at an input of a first integrating amplifier of a first single-ended (se) closed loop channel, and second input signal with a polarity reversed relative to the first input signal at an input of a second integrating amplifier configured of a second se closed loop channel. During audio signal processing a common-mode (cm) reference voltage level applied to a current source coupled to an input of the first and second integrating amplifiers is dynamically changed including whenever a level of the input signals is below a predetermined low level, reducing the cm reference voltage level for implementing low duty cycle (ldc) pwm operation, and whenever the level is above a level that corresponds to an onset of clipping, increasing the cm reference voltage level for at least reducing the clipping to lower crossover distortion..
Texas Instruments Incorporated
Semiconductor device and power receiving device
An object is to provide a semiconductor device that is capable of wireless communication, such as an rfid tag, which can transmit and receive individual information without checking remaining capacity of a battery or changing batteries due to deterioration with time in the battery for a drive power supply voltage, and maintain a favorable a transmission/reception state even when electric power of an electromagnetic wave from a reader/writer is not sufficient. The semiconductor device includes a signal processing circuit, a first antenna circuit connected to the signal processing circuit, an antenna circuit group, a rectifier circuit-group and a battery connected to the signal processing circuit.
Semiconductor Energy Laboratory Co., Ltd.
System and reduction of signal distortion
A system for suppressing signal harmonic distortion caused by a main signal processing device provides processing for an electrical signal containing sine components of multiple frequencies. A post-processor reduces the amplitude of each frequency, relative to other frequencies, as the frequency increases, thus suppressing harmonics, which have higher frequencies than their respective elementary signals.
Photoelectric conversion device, image pickup system and manufacturing photoelectric conversion device
A photoelectric conversion device includes a first semiconductor substrate including a photoelectric conversion unit for generating a signal charge in accordance with an incident light, and a second semiconductor substrate including a signal processing unit for processing an electrical signal on the basis of the signal charge generated in the photoelectric conversion unit. The signal processing unit is situated in an orthogonal projection area from the photoelectric conversion unit to the second semiconductor substrate.
Canon Kabushiki Kaisha
Audio signal processing
Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook.. .
Industry-acadamic Cooperation Foundation, Yonsei University
Driving image display apparatus
Disclosed herein is a driving method for an image display apparatus which includes an image display panel having a plurality of pixels arrayed in a two-dimensional matrix and each configured from a first subpixel for displaying a first primary color, a second subpixel for displaying a second primary color, a third subpixel for displaying a third primary color and a fourth subpixel for displaying a fourth color, and a signal processing section. The signal processing section is capable of calculating a first subpixel output signal, a second subpixel output signal, a third subpixel output signal, and a fourth subpixel output signal.
Japan Display Inc.