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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


System and method for multi-wavelength optical signal detection

U.s.a. As Represented By Administrator Of National Aeronautics And Space Administration

System and method for multi-wavelength optical signal detection

Signal processing device, signal processing method, and program

Renesas Electronics

Signal processing device, signal processing method, and program


Date/App# patent app List of recent Signal Processing-related patents
07/30/15
20150215853 
 Network discovery in an autoconfigured backhaul transceiver patent thumbnailnew patent Network discovery in an autoconfigured backhaul transceiver
A microwave backhaul transceiver comprises a plurality of antenna arrays, positioning circuitry, and signal processing circuitry. The microwave backhaul transceiver may determine, via the positioning circuitry, a location of the small cell backhaul transceiver.
Maxlinear, Inc.


07/30/15
20150215702 
 Signal processing device and signal processing method patent thumbnailnew patent Signal processing device and signal processing method
There is provided a signal processing device s including a noise cancellation process clock generation unit configured to generate a noise cancellation process clock having a predetermined fixed frequency, a noise canceling unit configured to include a noise canceling filter operating based on the noise cancellation process clock and generating a noise canceling signal having a signal property of canceling an external noise component based on an input audio signal including the external noise component picked up by a microphone, and an addition unit superimposing the noise canceling signal generated by the filter on a digital audio signal, and a sampling rate conversion unit configured to rate-convert the input digital audio signal sampled at a clock in asynchrony with the noise cancellation process clock to a signal at a sampling frequency in synchrony with the noise cancellation process clock and to supply the rate-converted signal to the addition unit.. .
Sony Corporation


07/30/15
20150215140 
 Mobile terminal test device and mobile terminal test method patent thumbnailnew patent Mobile terminal test device and mobile terminal test method
Frequency comparison means compares the levels of uplink (ul) and downlink (dl) frequencies which are designated by frequency designation means. When it is determined that the ul frequency is lower than the dl frequency, heterodyne switching means enables a receiving unit to perform frequency conversion using a lower-side heterodyne system and signal processing is performed, using one baseband signal and the other baseband signal obtained by a quadrature demodulation process as an in-phase component and a quadrature component, respectively.
Anritsu Corporation


07/30/15
20150215105 
 Apparatus,  asymmetric, full-duplex communication patent thumbnailnew patent Apparatus, asymmetric, full-duplex communication
Techniques and methods for performing asymmetric, full-duplex communication via a signal line. In an embodiment, a transceiver includes transmit circuitry to transmit a first signal via a node coupled to a signal line, where the first signal is transmitted concurrently with the transceiver receiving a second signal via the node at a substantially different data rate than that of the first signal.
Silicon Image, Inc.


07/30/15
20150215065 
 Signal processing device, signal processing method, and program patent thumbnailnew patent Signal processing device, signal processing method, and program
Disclosed is a signal processing device that reduces the influence of an interfering wave to suppress the deterioration of a ber even if narrow-band noise is included in a communication band. In the signal processing device, which is capable of performing an fft and performing a window function process as preprocessing before the fft and achieves ofdm demodulation, the window function process is skipped to perform an fft on a received signal if the frequency of narrow-band noise included in the received signal coincides with the subcarrier frequency of ofdm within a predetermined range.
Renesas Electronics Corporation


07/30/15
20150214388 
 System and  multi-wavelength optical signal detection patent thumbnailnew patent System and multi-wavelength optical signal detection
The system and method for multi-wavelength optical signal detection enables the detection of optical signal levels significantly below those processed at the discrete circuit level by the use of mixed-signal processing methods implemented with integrated circuit technologies. The present invention is configured to detect and process small signals, which enables the reduction of the optical power required to stimulate detection networks, and lowers the required laser power to make specific measurements.
U.s.a. As Represented By The Administrator Of The National Aeronautics And Space Administration


07/30/15
20150213905 
 Signal processing circuit and a/d converter patent thumbnailnew patent Signal processing circuit and a/d converter
A signal processing circuit according to one embodiment includes a rectifier, a holder, a controller, and a setter. The rectifier generates a rectified voltage by rectifying an input voltage in which a signal voltage is superimposed on a common-mode voltage.
Kabushiki Kaisha Toshiba


07/30/15
20150212164 
 System and  detecting ultra weak magnetic field patent thumbnailnew patent System and detecting ultra weak magnetic field
According to one exemplary embodiment, a system of detecting magnetic field comprises a magnetic impedance element surrounded by a detection coil, a stimulus unit generates pulse signal of programmable rise/fall time to drive the magnetic impedance element, and a signal detection module detects signal on the detection coil, wherein the signal detection module includes a buffer unit having adjustable bandwidth shapes output signal of the detection coil, a signal amplify unit includes a sample and hold circuit and a chopping programmable gain amplifier to amplify buffered signal from the buffer unit, a signal processing unit processes amplified signal from the signal amplify unit by applying selectable algorithm to output detection result, and a control unit connects the signal processing unit to generate control parameters of the stimulus unit, the buffer unit, the signal amplify unit, and the signal processing unit.. .
Prolific Technology Inc.


07/30/15
20150212118 
 Electro optical voltage transducer signal processing system patent thumbnailnew patent Electro optical voltage transducer signal processing system
A system that measures a high electric voltage on an electrical transmission line has an electro optical voltage transducer sensor connected between the electrical transmission line and ground for providing in response to the measured high electric voltage a sin optical intensity signal and a cos optical intensity signal. The system also has a signal processor that operates in a first state to digitally process samples of the sin and said cos optical intensity signals.
Abb Technology Ag


07/30/15
20150209014 
 Biological information processing apparatus and biological information processing program patent thumbnailnew patent Biological information processing apparatus and biological information processing program
A biological information processing apparatus, including: a conversion element which receives an ultrasonic wave transmitted from a subject and converts the ultrasonic wave into an analog signal; an analog-digital converting unit; a first memory which records a digital signal; a signal processing unit which outputs information on an inside of a biological body from the signal recorded in the first memory; a second memory which records information on an ineffective area, for which information need not be recorded; and a controlling unit which controls activation of the analog-digital converting unit or recording to the first memory, wherein the controlling unit stops the activation of the analog-digital converting unit or recording to the first memory in a period in which the ultrasonic wave transmitted from the ineffective area is received based on the information recorded in the second memory.. .
Canon Kabushiki Kaisha


07/30/15
20150208985 
new patent

Transdermal microneedle array patch and manufacturing the same


The invention relates to a transdermal microneedle array patch for measuring a concentration of a hypodermal target molecule. The transdermal microneedle array patch includes a substrate, a microneedle unit, a signal processing unit and a power supply unit.
Micro Nipple Technology Co., Ltd.


07/30/15
20150208984 
new patent

Transdermal microneedle continuous monitoring system


Transdermal microneedles continuous monitoring system is provided. The continuous system monitoring includes a substrate, a microneedle unit, a signal processing unit and a power supply unit.
Micro Nipple Technology Co., Ltd.


07/30/15
20150208967 
new patent

Biological information measurement device and pulse oximeter


The biological information measurement device includes a body part and a wearable part that is fixed on the body part and is to hold a finger of a living body. The biological information measurement device includes a light source unit and a light receiving unit that are arranged so as to oppose each other with the finger therebetween when the finger is held by the wearable part.
Konica Minolta, Inc.


07/23/15
20150208270 

Wireless sensor device


The wireless sensor device includes an antenna that radiates a transmission signal and receives a reflected signal caused by the transmission signal reflected by a detection target, a transmission circuit that includes an output terminal connected to the antenna and generates the transmission signal, a detector circuit in which part of the transmission signal and the reflected signal are input thereinto and detected while the transmission signal is transmitted, a signal processing circuit that processes a signal output from the detector circuit, and a control circuit that controls the transmission circuit, wherein, between the antenna and the output terminal, transmission lines whose line lengths are different and switching means for switching between the transmission lines and connecting the antenna and the output terminal are provided, and differences in line length between the transmission lines are less than one-fourth of a wavelength of the transmission signal.. .
Alps Electric Co., Ltd.


07/23/15
20150208191 

Information processing system and storage medium


An information processing system including a recognizing unit configured to recognize a given target on the basis of signals detected by a plurality of sensors arranged around a specific user, an identifying unit configured to identify the given target recognized by the recognizing unit, an estimating unit configured to estimate a position of the specific user in accordance with the a signal detected by any one of the plurality of sensors, and a signal processing unit configured to process signals acquired from sensors around the given target identified by the identifying unit in a manner that, when output from a plurality of actuators arranged around the specific user, the signals are localized near the position of the specific user estimated by the estimating unit.. .
Sony Corporation


07/23/15
20150208171 

Audio signal processing apparatus, movie capturing apparatus, and control the same


An audio signal processing apparatus acquires a specific audio signal based on at least one of audio signals of multiple sound capturing channels captured by multiple microphones, cancels a signal corresponding to the specific audio signal in the audio signals of the sound capturing channels that are to be used in surround audio signal generation, and, using the specific audio signal and the audio signals in which the signal corresponding to the specific audio signal was canceled, generates a surround audio signal such that the sound source of the specific audio signal is located at a specified direction in the surround sound field.. .
Canon Kabushiki Kaisha


07/23/15
20150207635 

Low power twisted pair coding scheme


A transceiver, a communication system and an associated method thereof for reducing overall power consumption and complexity of the transceiver that operates over short reach twisted pair cables. The analog front end (afe) of the transceiver communicates over at least one twisted pair that is configured only for transmission of data streams and communicates over at least one twisted pair that is only for reception of data streams.
Broadcom Corporation


07/23/15
20150207615 

Data processing device, data processing method, and recovery device


A data processing device includes a signal processing unit that performs timing recovery of sampling timing, in such a manner that a sampled value is obtained at sampling timing which is set as a target by phase interpolation processing according to a feed-forward control, with respect to sampling data which is obtained from a recovery signal.. .
Sony Corporation


07/23/15
20150207590 

Broadcasting receiver and broadcast signal processing method


A digital broadcasting system which is robust against an error when mobile service data is transmitted and a method of processing data are disclosed. The mobile service data is subjected to an additional coding process and the coded mobile service data is transmitted.
Lg Electronics Inc.


07/23/15
20150206679 

Voltage controller for an electric fan


A voltage controller has an casing, with a plurality of electrical connecting terminals, and housing a signal processing circuit and a power circuit, facing one another and connected to these terminals. A thermally fusible safety device is fitted between the circuits, and is electrically connected between one of the terminals and the power circuit.
Johnson Electric S.a.


07/23/15
20150205575 

Audio signal processing apparatus and method thereof


An audio signal in which a first audio component and a second audio component are mixed is inputted. The audio signal is transformed into a time-frequency signal representing relation between time and signal frequency.
Canon Kabushiki Kaisha


07/23/15
20150204982 

Fast fix using perfect reference in a satellite-based positioning system


A satellite-based positioning system (sps) signal processing technique re-samples a received series of prn sequences from an sps satellite to align them with a nominal sampling rate for a corresponding series of perfect reference prn replica sequences.. .

07/23/15
20150204981 

Signal processing ultra-fast acquisition and tracking of severely attenuated spread spectrum signals with doppler frequency and apparatus thereof


A signal processing method for ultra-fast acquisition and tracking of severely attenuated spread spectrum signals with doppler frequency and apparatus thereof are disclosed herein. The signal processing method may include a step of searching for at least one receiving signal from global navigation satellite system (gnss) positioning signals or spread spectrum signals in a signal processing device, wherein the step of searching for at least one received signal includes a sparse doppler frequency search (sdfs) step performing signal search for respective sparse doppler frequencies being spaced apart from one another by a first interval, and a synthesized doppler frequency testing (sdft) step performing signal search for respective synthesized doppler frequencies being spaced apart from one another by a second interval between the sparse doppler frequencies, the second interval being shorter than the first interval..
Korea Advanced Institute Of Science And Technology


07/23/15
20150204745 

Strain gauge pressure sensor circuit with sensor disconnect detection


An electronic circuit for processing signals from a strain gauge pressure sensor includes an anti-alias filter, an analog-to-digital conversion circuit, and a detection circuit for detecting when the sensor is unexpectedly disconnected from the signal processing circuit. The detection circuit provides a yes/no indication of the connection of the pressure sensor to the circuit based upon whether a common mode voltage associated with one of the signal terminals of the pressure sensor is out of range..
Hamilton Sundstrand Corporation


07/23/15
20150201967 

Drop detection of human follicle fluid in a test tube


The present disclosure discloses an apparatus and a method for detecting first and subsequent drops of follicle fluid falling into a test tube during an aspiration process. A pair of optical devices (emitter and detector) is positioned at opposite side of the test tube.
Shivani Scientific Industries Private Limited


07/23/15
20150201909 

Ultrasound inspection apparatus, signal processing ultrasound inspection apparatus, and recording medium


An ultrasound inspection apparatus includes a region setting section setting a plurality of regions within the inspection object; a sound velocity calculator calculating a sound velocity of each of the plurality of regions; a sound velocity obtainer obtaining a preliminary sound velocity of a region of interest; and an image quality determiner determining an image quality of the region of interest based on the preliminary sound velocity. The preliminary sound velocity obtained by the sound velocity obtainer is employed as a sound velocity of the region of interest when a determination result made by the image quality determiner is positive, and the sound velocity of the region of interest is calculated by the sound velocity calculator when the determination result is negative..
Fujifilm Corporation


07/23/15
20150201876 

Handheld multi-parameter measuring instrument


A handheld multi-parameter measuring instrument includes: a housing having a sidewall and opposed first and second surfaces, the sidewall, the first surface and the second surface cooperatively forming a cavity; a cover attached to the sidewall and rotatably connected to the housing; the blood oxygen transducer includes a light emitting unit and a light receiving unit; the light emitting unit is configured to emit red light and infrared light alternately; the light receiving unit is configured to receive the red light and the infrared light emitted from the light emitting unit; the signal processing unit is received in the cavity of the housing and is configured to control the light emitting unit to emit the red light and the infrared light alternately; the signal processing unit is further configured to calculate oxygen saturation based on a signal received by the light receiving unit; the light emitting unit is located at a side of the cover attached to the housing, and the light receiving unit is located at the sidewall. When measuring blood oxygen saturation, one hand holds the first surface and the second surface of the housing, and one finger of the hand is inserted between the cover and the sidewall of the housing attached to the cover.
Shenzhen Viatom Technology Co., Ltd.


07/23/15
20150201858 

Diagnostic device for remote sensing and transmitting biophysiological signals


A diatrophic, bio-physiological interface is self-contained with onboard intensification, filtering, and signal processing and is wirelessly enabled (idio-electrode), with multiple sensory system for bio-physiological measurements, described herein utilizes spatially resolved potential profiles from a cluster of mini electrodes to form constituent sets comprising mini sensorial electrodes. The sets of sub electrodes containing the clusters are jointly optimized to attain measurable gradient of some diagnostic value.
Global Cardiac Monitors, Inc.


07/16/15
20150201136 

Physical information acquisition method, physical information acquisition device, and semiconductor device


A physical information acquisition method in which a corresponding wavelength region of visible light with at least one visible light detection unit coupled to an image signal processing unit is detected, each said visible light detection unit comprising a color filter adapted to transmit the corresponding wavelength region of visible light; a wavelength region of infrared light with at least one infrared light detection unit coupled to the image signal processing unit is detected; and, with the signal processing unit, a first signal received from the at least one visible light detection unit by subtracting a product from said first signal is corrected, said product resulting from multiplication of a second signal received from the at least one infrared light detection unit and a predetermined coefficient factor.. .
Sony Corporation


07/16/15
20150201126 

Image capturing apparatus and image capturing method


In a high speed image capturing state, a camera signal processing circuit is not needed to perform a signal process at a high screen rate, but at a regular screen rate. In the high speed image capturing mode, raw data of 240 fps received from an image sensor 101 are recorded on a recording device 111 through a conversion processing section 201 and a recording device controlling circuit 210.
Sony Corporation


07/16/15
20150200764 

Signal processing method, apparatus, and system


Embodiments of the present invention disclose a signal processing method, apparatus, and system, where the method includes: receiving a downlink signal that carries an uplink signal; and performing first interference cancellation on the uplink signal by using an estimated self-interference signal, so that a remaining amount of interference of the uplink signal is less than a first interference threshold, thereby minimizing out-of-band interference of the uplink signal on the downlink signal without using a plurality of radio frequency front-ends or without using a duplexer on a same radio frequency front-end. In the embodiments of the present invention, no duplexer is adopted, and therefore, difficulty and a cost of base station and system layout can be reduced, and extra energy consumption of a mobile terminal can also be reduced..
Huawei Technologies Co., Ltd.


07/16/15
20150200658 

Fully differential level conversion circuit


A fully differential level conversion circuit includes a positive signal branch, a negative signal branch and a coupling branch. The negative signal branch has identical structural features with the positive signal branch, which includes a drive terminal and a load terminal, an external fully differential signal is inputted to the drive terminals of the positive signal branch and the negative signal branch correspondingly.
Ipgoal Microelectronics (sichuan) Co., Ltd.


07/16/15
20150200642 

Rf signal automatic gain control method


The automatic gain control (agc) method contains the following steps: producing a feedback signal and transmitting the feedback signal to a signal processing unit to produce a working signal; transmitting the working signal to a first signal control unit to produce a first control voltage; transmitting the first control voltage to a second signal control unit to produce a second control voltage, which is a fixed voltage; and transmitting the second control voltage to an agc unit where the fixed second control voltage is used as a reference value. As such, when a radio-frequency (rf) input signal varies due to channel loading variation, an rf output signal by the agc unit can be maintained within a specified db range..

07/16/15
20150199045 

System and proximity-based position, movement and gesture detection using capacitive sensor arrays


Systems and methods for proximity-based position, movement and gesture detection are provided that utilize capacitive sensor arrays. In one embodiment, the system utilizes textile-based capacitive sensor arrays that can be integrated into other textiles, such as clothing, bed linens, etc., or that can be integrated into the environment (e.g., furniture, wheelchairs, car seats, etc.).

07/16/15
20150199010 

Systems and methods for collecting, analyzing, and sharing bio-signal and non-bio-signal data


A computer network implemented system for improving the operation of one or more biofeedback computer systems is provided. The system includes an intelligent bio-signal processing system that is operable to: capture bio-signal data and in addition optionally non-bio-signal data; and analyze the bio-signal data and non-bio-signal data, if any, so as to: extract one or more features related to at least one individual interacting with the biofeedback computer system; classify the individual based on the features by establishing one or more brain wave interaction profiles for the individual for improving the interaction of the individual with the one or more biofeedback computer systems, and initiate the storage of the brain waive interaction profiles to a database; and access one or more machine learning components or processes for further improving the interaction of the individual with the one or more biofeedback computer systems by updating automatically the brain wave interaction profiles based on detecting one or more defined interactions between the individual and the one or more of the biofeedback computer systems.
Interaxon Inc.


07/16/15
20150198807 

Head-mounted display device and optical unit


Provided is a head-mounted display apparatus including a display panel portion including a display panel configured to display an image, an ocular optical portion having a lens integrally formed with an attaching part to which the display panel portion is attached, and configured to perform optical processing for a video displayed by the display panel, a video signal processing portion configured to process a video signal, and a display controlling portion configured to drive the display panel based on the video signal processed at the video signal processing portion.. .
Sony Corporation


07/16/15
20150198710 

Radar signal processing apparatus, radar signal processing method, and radar signal processing program


A radar signal processing apparatus is disclosed which includes: time-series phase data generating section 3 generating time-series phase data in a range bin of interest based on a range profile indicating, for each range bin, a phase of a reflected wave of a radio wave from a target; phase-rotation-amount time-series data generating section 4 that divides the time-series phase data into segments of a predetermined time length, calculates an amount of phase rotation that occurs in the segments, and generates time-series data on the amount of phase rotation; pattern matching section 6 that performs pattern matching between the generated time-series data on the amount of phase rotation and a template of time-series data on the amount of phase rotation that is defined by a distance and a moving speed; and speed detection section 7 that detects the moving speed of the target based on a result of the pattern matching.. .
Panasonic Corporation


07/16/15
20150196257 

Systems and methods for physiological signal enhancement and biometric extraction using non-invasive optical sensors


A system and method for signal processing to remove unwanted noise components including: (i) wavelength-independent motion artifacts such as tissue, bone and skin effects, and (ii) wavelength-dependent motion artifact/noise components such as venous blood pulsation and movement due to various sources including muscle pump, respiratory pump and physical perturbation. Disclosed are methods, analytics, and their uses for reliable perfusion monitoring, arterial oxygen saturation monitoring, heart rate monitoring during daily activities and in hospital settings and for extraction of physiological parameters such as respiration information, hemodynamic parameters, venous capacity, and fluid responsiveness.
The Board Of Regents, The University Of Texas System


07/09/15
20150195670 

Physically secure digital signal processing for wireless m2m networks


A method and apparatus for physically secure communication over machine-to-machine (m2m) networks is claimed, through the use of frequency-hop and random access spread spectrum modulation formats employing using truly random spreading codes and time/frequency hopping and receiver selection strategies at the transmitters in the m2m network, blind signal detection and linear signal separation techniques at the receivers in the m2m network, completely eliminating the ability for an adversary to predict and override m2m transmissions. Additional physical security protocols are also introduced that allow the network to easily detect and identify spoofing transmissions on uplinks and downlinks, and to automatically excise those transmissions as part of the despreading procedure, even if those transmissions are received at a much higher power level than the intended transmissions.

07/09/15
20150195667 

Audio signal processing device


An audio signal processing device receives a plurality of audio signals via a left channel (l) and a right channel (r) so as to produce a composite signal l+r and a difference signal l−r. The composite signal l+r is changed in phase with an all-pass filter, while the difference signal l−r is changed in phase and frequency characteristic with a band-pass filter (e.g.
Yamaha Corporation


07/09/15
20150195473 

Imaging device and signal processing method


An imaging device to which an imaging optical system is attachable, includes a correction data generating unit that generates correction data to correct a sensitivity difference of first phase difference detecting pixel cells and second phase difference detecting pixel cells; and a signal correcting unit that corrects at least one of an output signal of the first phase difference detecting pixel cells and an output signal of the second phase difference detecting pixel cells in accordance with the correction data, in which the correction data generating unit calculates two ratios to generate the correction data based on the two ratios.. .
Fujifilm Corporation


07/09/15
20150195468 

Electric camera


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


07/09/15
20150195110 

Method and device for signal processing


A method for signal processing is provided. The method includes: obtaining a predistortion signal for compensating nonlinear distortion generated by a transmission path; adding the predistortion signal to the transmission path to compensate the nonlinear distortion; and outputting the nonlinear distortion compensated signal by the transmission path.
Mstar Semiconductor, Inc.


07/09/15
20150195108 

Receiver with pipelined tap coefficients and shift control


A serializer-deserializer using series-coupled signal processing blocks to process digitized input symbols, each block having a coefficient input. Each of plurality of series-coupled coefficient delay elements has a control input and a coefficient output coupling to the coefficient inputs of a corresponding one of the signal processing modules, is controlled by a shift register having an input and a plurality of outputs, each one of the plurality of outputs coupled to the control input of a corresponding one of the coefficient delay elements.
Lsi Corporation


07/09/15
20150194992 

Signal interface and a signal processing system


A signal interface for a receiver includes a first receiver module configured to receive a first message related to a content. The first receiver module is configured to generate a first adapted message based on the first message and a first transformation protocol.
Infineon Technologies Ag


07/09/15
20150194456 

Image sensor with hybrid heterostructure


An image sensor architecture provides an snr in excess of 100 db, without requiring the use of a mechanical shutter. The circuit components for an active pixel sensor array are separated and arranged vertically in at least two different layers in a hybrid chip structure.
Altasens, Inc.


07/09/15
20150194394 

Wireless communication system


A wireless communication system includes: a filter; and a semiconductor chip including a signal processing integrated circuit having an amplifier, wherein a main surface of the semiconductor chip is provided with a plurality of electrode terminals along an edge portion thereof; wherein the amplifier has a transistor including a control electrode, a first electrode through which a signal is outputted, and a second electrode to which a voltage is applied; wherein the control electrode, the first electrode and the second electrode of the transistor are connected to the electrode terminals, respectively; and wherein none of wirings are arranged between the electrode terminals and placements of the control electrode, the first electrode and the second electrode, making space between the electrodes and the electrode terminals narrow.. .
Renesas Electronics Corporation


07/09/15
20150194164 

Method and device for processing audio signal


An audio signal processing method includes following steps: playing a fundamental frequency signal by a media player; calculating a first fundamental frequency sound pressure value and a first harmonic sound pressure value of the fundamental frequency signal, and calculating a second fundamental frequency sound pressure value and a second harmonic sound pressure value of the audio signal calculating a threshold sound pressure value according to the first fundamental frequency sound pressure value, the first harmonic sound pressure value, and the second fundamental frequency sound pressure value; and comparing the second harmonic sound pressure value and the threshold sound pressure value to generate a comparing result, and adjusting the second harmonic sound pressure value according to the comparing result. An audio signal processing device is also disclosed..
Asustek Computer Inc.


07/09/15
20150194163 

Decoding method, decoding apparatus, program, and recording medium therefor


In a speech coding scheme based on a speech production model, such as a celp-based scheme, an object of the present invention is to provide a decoding method that can reproduce natural sound even if the input signal is a noise-superimposed speech. The decoding method includes a speech decoding step of obtaining a decoded speech signal from an input code, a noise generating step of generating a noise signal that is a random signal, and a noise adding step of outputting a noise-added signal, the noise-added signal being obtained by summing the decoded speech signal and a signal obtained by performing, on the noise signal, a signal processing that is based on at least one of a power corresponding to a decoded speech signal for a previous frame and a spectrum envelope corresponding to the decoded speech signal for the current frame..
Nippon Telegraph And Telephone Corporation


07/09/15
20150194154 

Method for processing audio signal and audio signal processing apparatus adopting the same


A method for processing an audio signal and an audio signal processing apparatus adopting the same are provided. The method for processing an audio signal by a processor comprises matching user information and auditory information, storing matching information indicating that the user information matches to the auditory information, recognizing a user corresponding the user information, searching for the auditory information in response to the user being recognized, and processing the audio signal based on the searched auditory information..
Samsung Electronics Co., Ltd.


07/09/15
20150194044 

Mobile, location-aware, self-powered alarm and signal processing system


A mobile, location-aware, self-powered alarm system is disclosed. The alarm system is powered by a combination of a battery and a solar panel and provides communication between a remote module and law enforcement and a data center.
Seagate Alarm & Signal


07/09/15
20150193376 

Method of multi-scales intrinsic entropy analysis


This invention discloses a multi-scales intrinsic entropy analysis method that can quantify the entropies on difference time scales for a complex time series. The implementation of the method decomposes a complex time series into a plurality of intrinsic mode functions by a nonlinear signal processing algorithm, such as the method of empirical mode decomposition.
National Central University


07/09/15
20150193188 

Display apparatus, multi-image display system, and display control method


Each of liquid crystal display apparatuses (10), forming a multi-image display system, includes an image signal processing part (2) which determines a write speed of an image signal based on the number of liquid crystal display apparatuses (10) being aligned in a vertical direction with respect to the lines of an image display device (3) in the multi-image display system. Additionally, the image signal processing part (2) shifts write start timing of the image signal display device (3) based on the location of the corresponding apparatus within the liquid crystal display apparatuses (10) being aligned in the vertical direction with respect to the lines, thus displaying a display image of the corresponding apparatus in the image display device (3) at the determined write speed..
Nec Display Solutions, Ltd.


07/09/15
20150192945 

Determining load reductions in demand response systems


The present invention relates to a signal processing technique for characterization of baseline noise, and for determining load reduction in presence of baseline noise. The method utilizes sparse signal processing algorithm to recover demand resource response signal and a plurality of snr enhancement strategies are then applied to demand resource response signal for enhancing the signal to noise ratio..
Autogrid Inc.


07/09/15
20150192431 

Determining a position of a hydraulic subsea actuator


A method and an apparatus (280) for determining an estimate of a position of a hydraulic subsea actuator (200), wherein the hydraulic subsea actuator (200) has a fluid port (220) fluidly connected to a fluid source (260). The apparatus (280) comprises a hydraulic cylinder (310) connected in series between the fluid source (260) and the fluid port (220) of the hydraulic subsea actuator, and a movable piston (320) arranged in the second hydraulic cylinder (310), a position determining device, arranged to determine a position of the movable piston (320), and a signal processing device (350), arranged to calculate the estimate of the position of the hydraulic subsea actuator based on the position of the movable piston..
Fmc Kongsberg Subsea As


07/02/15
20150189583 

Radio communication system, base station, and cell selection control method


The present invention provides a method of controlling the selection of a cell in a radio communication system for increasing the capacity of the system by effectively utilizing a small cell base station and a base station apparatus for realizing it. At least one base station of a macrocell base station and a small cell base station is provided with plural antennas, and the base station selects a cell and adjusts a criterion for reselection by generating processing gain using the plural antennas by signal processing and performing a cell selection bias correcting process using the processing gain using the plural antennas..
Hitachi, Ltd.


07/02/15
20150189481 

Push to talk mobile station, mobile communication system, and program


A mobile station 100 monitors, in slotted mode, a paging channel slot in a monitor cycle. The mobile station 100 includes: a user interface 53 which receives a ptt setting operation from a user for setting a ptt (push to talk) mode; a ptt communication control unit 51 which transmits an allocation request to the radio base station when the ptt setting operation is received; a slot cycle switching unit 52 which switches, when the ptt setting operation is received, the monitor cycle to a predetermined short cycle which is shorter than a cycle at the time of receiving the ptt setting operation; and a voice signal processing unit 40 which receives a voice packet after a ptt call is detected in a message transmitted from the radio base station to the mobile station, and reproduces a voice based on the voice packet..
Kyocera Corporation


07/02/15
20150189441 

Headphones for stereo tactile vibration, and related systems and methods


Headphones for stereo tactile vibration, and related systems and methods are disclosed. A headphone comprises a first speaker assembly including a first audio driver and a first tactile bass vibrator.
Skullcandy, Inc.


07/02/15
20150189435 

Information processing system and storage medium


Provided is an information processing system including a recognizing unit configured to recognize a first target and a second target on the basis of signals detected by a plurality of sensors arranged around a specific user, an identifying unit configured to identify the first target and the second target recognized by the recognizing unit, an estimating unit configured to estimate a position of the specific user in accordance with the a signal detected by any one of the plurality of sensors, and a signal processing unit configured to process each of signals acquired from sensors around the first target and the second target identified by the identifying unit in a manner that, when being output from a plurality of actuators arranged around the specific user, the signals are localized near the position of the specific user estimated by the estimating unit.. .
Sony Corporation


07/02/15
20150189214 

Electronic device


An electronic device comprising a laminated structure including a first semiconductor chip and a second semiconductor chip is disclosed. In one example, the first semiconductor chip includes a sensor portion in which sensors are arranged, and the second semiconductor chip includes a signal processing portion in which signals obtained by the sensors are processed.
Sony Corporation


07/02/15
20150189211 

Imaging apparatus and imaging system


Each of a plurality of pixel circuits is an insulated gate transistor and includes a first kind transistor having a maximum value of a gate potential difference to be applied equal to or higher than a first value. Each of a plurality of analog signal processing circuits is an insulated gate transistor and includes a second kind transistor having a maximum value of a gate potential difference to be applied equal to or lower than a second value that is lower than the first value.
Canon Kabushiki Kaisha


07/02/15
20150189129 

Lens shading correction method and image signal processing device and image sensor system employing the method


A lens shading correction method includes providing lens shading correction profile data; calculating an intensity values of light passing through each of one or more visible light pass filters and each of one or more infrared light pass filters; calculating an average of the intensity values of the light passing through the one or more visible light pass filters; calculating an average of the intensity values of the light passing through the one or more infrared light pass filters; calculating a normalized intensity value of the light passing through the one or more infrared light pass filters, based on the calculated averages; adjusting one or more lens shading correction coefficients included in the lens shading correction profile data and each having a value varying depending on a frequency element of light, based on the calculated normalized intensity value; and correcting lens shading by using the adjusted lens shading correction coefficient.. .
Samsung Electronics Co., Ltd.


07/02/15
20150188697 

Multimedia interface receiving circuit


A multimedia interface receiving circuit includes a phase-locked loop (pll) and four signal processing channels. Each of the channels includes a phase detecting circuit.
Mstar Semiconductor, Inc.


07/02/15
20150188613 

Apparatus for processing intermittent message in train system


Disclosed is an apparatus for processing an intermittent message in a train system. The apparatus includes an antenna, a filter unit and a signal processing unit.
Lsis Co., Ltd.


07/02/15
20150188596 

Radio frequency signal processing method and wireless communication device


A radio frequency signal processing method for a wireless communication device, which includes an omni-directional antenna and a plurality of directional antennas, includes receiving a request signal from a first sending node with the omni-directional antenna, sending a confirming signal to the first sending node with the omni-directional antenna, receiving a data signal from the first sending node with a first directional antenna of the plurality of directional antennas according to the request signal and a result of a training packet process, transmitting an acknowledge signal to the first sending node with the first directional antenna, and receiving follow-up signals with the omni-directional antenna. The request signal is utilized to ask the wireless communication device to receive the data signal..
Wistron Neweb Corporation


07/02/15
20150188586 

Method and system for a combined signal detection for physical layer communication devices


Communication devices coupled via a communication link may comprise physical layer devices that may be operable to determine presence of a received signal and to mitigate noise in the signal prior to processing and/or validating the signal. Analog and/or digital signal processing may be utilized to process the signal and/or mitigate noise in the signal.
Broadcom Corporation


07/02/15
20150188441 

Systems and methods for constant current control with primary-side sensing and regulation in various operation modes


System and method for regulating a power converter. The system includes a first signal processing component configured to receive at least a sensed signal and generate a first signal.
Guangzhou On-bright Electronics Co., Ltd.


07/02/15
20150186108 

Signal processing system and storage medium


When an audio data is received from the input/output device (i/o), the received audio data is transmitted to a first pc (first processing engine) and a second pc (second processing engine) in parallel. The first processing engine performs signal processing in the first pc, and the second processing engine performs signal processing in the second pc.
Yamaha Corporation


07/02/15
20150185316 

Techniques for angle resolution in radar


A radar apparatus for estimating position of a plurality of obstacles. The radar apparatus includes a receive antenna unit.
Texas Instruments Incorporated


07/02/15
20150184995 

Spectral filtering of k-clock signal in oct system and method


A system and method for spectral filtering of a k-clock signal in a swept-source optical coherence tomography (“oct”) system to remove artifacts in the k-clock signal. The system synchronizes sampling of the k-clock and interference signals generated from scanning a sample.
Volcano Corporation


07/02/15
20150183084 

Polishing end point detection method and polishing end point detection apparatus


There is provided a polishing end point detection method of improving the accuracy of detecting a polishing end point. The polishing end point detection method emits light toward a polishing object including a hybrid film made of a nanocarbon material and a light-transmissive material while polishing the polishing object (step s102).
Ebara Corporation


07/02/15
20150182126 

Photoacoustic apparatus, signal processing method, and program


An apparatus includes a receiving unit configured to receive a photoacoustic wave that is generated when an object is illuminated with light and to output a first time-series received signal, and a processing unit configured to acquire object information using the first time-series received signal, wherein the processing unit acquires a second time-series received signal whose reception time is normalized with respect to the specific speed of sound by resampling part of the first time-series received signal, and acquires the object information using the second time-series received signal and the specific speed of sound.. .
Canon Kabushiki Kaisha


07/02/15
20150182125 

Photoacoustic apparatus, signal processing method, and program


An apparatus includes a receiving unit configured to receive a photoacoustic wave that is generated when an object is illuminated with light and to output a time-series received signal, and a processing unit configured to acquire object information by performing a reconstruction process on the time-series received signal using a specific speed of sound, wherein in the reconstruction process, the processing unit converts a reception time of the time-series received signal to a reception time normalized with respect to the specific speed of sound.. .
Canon Kabushiki Kaisha


06/25/15
20150181352 

Biasing circuitry for mems transducers


Circuitry for biasing a mems transducer and associated signal processing circuitry. A reference voltage generator is configured to generate a reference voltage at a reference voltage node.
Cirrus Logic International (uk) Limited


06/25/15
20150181280 

Multimedia stream processing system


A multimedia signal processing system allows a user to store selected programs while simultaneously watching or reviewing another. The system includes an input section and an output section.
Tivo Inc.


06/25/15
20150181198 

Automatic scene calibration


Described herein is a method of calibrating a three-dimensional imaging system. During calibration, a position and an orientation of the three-dimensional imaging system is determined with respect to a first parameter comprising a real world vertical direction (vw) and to a second parameter comprising an origin of a three-dimensional scene captured by the imaging system.
Softkinetic Software


06/25/15
20150181192 

Enhanced 3d audio/video processing apparatus and method


The enhanced 3d audio/video processing apparatus according to one embodiment of the present invention may comprise: a three-dimensional (3d) content generating unit for generating 3d content including video content and analog content; a depth information generating unit for generating depth information for the video frames constituting the video content; and a signal generating unit for generating a 3d enhanced signal including the generated 3d content and the depth information. Further, the enhanced 3d audio/video processing apparatus according to another embodiment of the present invention may comprise: a signal processing unit for processing the 3d enhanced signal including the 3d content including the video content and the audio content: a depth information extraction unit for acquiring the depth information of the video frames constituting the video content from the processed 3d enhanced signal; a 3d audio effect generating unit for generating 3d audio effect based on the acquired depth information; and a 3d audio content generating unit for generating 3d audio content by applying the generated 3d audio effect..
Lg Electronics Inc.


06/25/15
20150181188 

Display device, electronic apparatus, and driving display device


According to an aspect, a display device includes a signal processing unit that converts an input value of a input hsv color space of an input signal into an extension value of an extended hsv color space extended with a first color, a second color, a third color, and a fourth color to generate an output signal; performs peaking processing for analyzing the input signal of the imaged image to detect a focusing region; and determines whether to perform display in a peaking mode for highlighting the focusing region. When it is determined to perform display in the peaking mode, the signal processing unit increases a value of the output signal of the fourth color of a pixel in an outer edge of the focusing region..
Japan Display Inc.




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