|| List of recent Signal Processing-related patents
|Video input switching and signal processing apparatus|
An apparatus integrates a plurality of television signal sources into a cohesive audio/video environment. Internal provisions include a standard broadcast-frequency tuner, cable tuner as well as other optional inputs such as for a direct-broadcast satellite, previously recorded video material, etc.
|Signal processing device and signal processing method|
A signal processing device includes an operation control unit configured to control a timing of an operation process executed by an operation unit; and a transfer control unit configured to control a timing of transferring data that is a target of the operation process, such that the data that is the target of the operation process is loaded by the operation unit according to the timing of the operation process controlled by the operation control unit.. .
|Real-time signal processing system and method based on multi-channel independent component analysis|
A real-time signal processing system and method based on multi-channel independent component analysis (ica). A one-pass recursive ica processor uses a computation module to perform multi-channel ica on a set of first data to generate a plurality of second data and third data.
|Fuel injection valve|
A fuel injection valve includes a cylinder internal pressure sensor disposed in the vicinity of a distal end thereof. The cylinder internal pressure sensor detects a cylinder internal pressure in a cylinder and outputs a first sensor signal ss1 responsive to the detected cylinder internal pressure.
|System and method for scaling a fluid responsiveness metric|
The present invention relates to physiological signal processing, and in particular to methods and systems for processing physiological signals to predict a fluid responsiveness of a patient. A medical monitor for monitoring a patient may include an input receiving a photoplethysmograph (ppg) signal representing light absorption by a patient's tissue, and a fluid responsiveness predictor (frp) calculator programmed to calculate an frp metric.
|Method of controlling an effect strength of a binaural directional microphone, and hearing aid system|
A hearing aid system has at least two hearing aid devices to be worn on both sides of a wearer's head. The hearing aid devices have a transducer for picking up an acoustic signal and converting same into a first audio signal in each case.
|Method for adjusting the useful signal in binaural hearing aid systems and hearing aid system|
A method operates a hearing aid system and the hearing aid system has at least two hearing aid devices, between which a signal path is provided, and with at least one signal processing unit, which is provided to process audio signals. In the method the signal processing apparatus filters first audio signals with a filter predetermined for a defined spatial direction, from which a useful signal arrives, so that second audio signals are generated, in which the components of the useful signal in the second audio signals are equalized to a greater degree than in the first audio signals.
|Binaural hearing aid system and method of hearing aid microphone adjustment|
A hearing aid system is enabled for binaural microphone adjustment by way of the wearer's own voice. The hearing aid system has a first and a second hearing aid having a first and a second acousto-electric converter.
|Digital signal processing for plc communications having communication frequencies|
Aspects of the present disclosure are directed toward receiver devices and methods of using receiver devices. One such method can include converting, using an analog-to-digital converter (adc), and an analog input signal from power distribution lines that carry power using alternating current (ac) to a digital form.
|Vector signal analyzer|
Disclosed in the present invention is a vector signal analyzer, which relates to communication technology. The vector signal analyzer comprises: a radio frequency front end splitting module, for splitting the received signals to at least, two signals; an analog signal processing module, for performing radio frequency/micro wave processing and analog-digital conversion for each signal separately; a digital signal processing module, fir performing spectrum analyze and signal demodulation analyze separately for each digital signals, which are outputted from the analog signal processing module.
|Interference cancellation method and system|
Embodiments of the present invention relate to an interference cancellation method and system. The interference cancellation system of the present invention includes a centralized cancellation unit and at least two signal processing units, where at least a part of signal processing units in the at least two signal processing units are configured to detect at least a part of user signals in all user signals input into the interference cancellation system and reconstruct the detected user signals; the centralized cancellation unit is configured to perform cancellation on reconstructed signals and the user signals input into the interference cancellation system; and the at least two signal processing units are configured to detect, according to a residual signal after the cancellation, the user signals input into the interference cancellation system and output the detected signals..
|System and method for controlling audio source|
An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and employing a time-code signal wherein during use of the disc the said time-code signal controls the digital audio source.. .
|Object information acquisition apparatus, object information acquisition method, and non-transitory computer-readable medium|
An object information acquisition apparatus according to an embodiment of the present invention includes a plurality of transducer elements each configured to transmit an acoustic wave to an object, to receive reflected waves reflected from inside the object, and to convert the reflected waves into a time-series reception signal; and a processor configured to perform frequency domain interferometry combined with adaptive signal processing by using the reception signals output from the plurality of transducer elements and a reference signal so as to obtain acoustic characteristics at a plurality of positions located inside the object. The processor is configured to switch the reference signal to another reference signal at least once in accordance with a target position located inside the object while performing the frequency domain interferometry so as to obtain the acoustic characteristics at the plurality of positions located inside the object..
|Driving method for image display apparatus and driving method for image display apparatus assembly|
Disclosed herein is a driving method for an image display apparatus which includes an image display panel and a signal processing section. Each of the pixels includes 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.
|Brightness control device and method|
A brightness control device includes a back light panel, a controller, and an image signal processing chip. The back light panel includes a blue light led module and a green light led module.
|Module circuit, display module and method for providing an output signal|
A module circuit (11) comprises a sensor terminal (43) for feeding a sensor signal (sp) and a clock terminal (41) for feeding a pulse width-modulated clock signal (st) having a first and a second clock phase (a, b). A signal processing circuit (40) of the module circuit (11) is coupled on the input side to the sensor terminal (43) and the clock terminal (41) and is designed to provide an output signal (sal) dependent on the sensor signal (sp) that can be tapped in the first clock phase (a) and independent of the sensor signal (sp) that can be tapped in the second clock phase (b)..
|System and method for nonlinear radar|
A non-linear radar is disclosed that is able to detect non-linear target responses that are below the harmonic-noise floor of the radar. To accomplish this below-the-noise-floor sensitivity feature the proposal specifically addresses all of the problems commonly faced by non-linear radar such as linearity of the transmitter path, receiver path, and size, weight, and power, and cost (swap-c).
|Radar apparatus and signal processing method|
There is provided a radar apparatus capable of extracting a peak signal obtained from a difference frequency between a transmitting signal and a receiving signal during first and second periods and deriving target information based on the extracted peak signals. A pairing unit pairs the peak signals extracted in the first and second periods.
|Compound circuit board and radar device|
A compound circuit board for a radar device includes a first substrate including a plurality of trace layers having a first trace layer formed with a digital signal processing unit and an electronic control unit in a first area, a second substrate including a plurality of trace layers having a second trace layer formed with an antenna module in a second area, and a prepreg layer between the first and second substrates for connecting the first and second substrates, wherein the first area and the second area in a first projecting result generated by projecting the first trace layer on the second trace layer are substantially overlapped.. .
|Stability analyzing apparatus and stability analyzing method|
A stability analyzing apparatus is in cooperation with a dc power system having a bus terminal connected to at least a load, and comprises a perturbation signal generating module, a signal processing module and a determining module. The perturbation signal generating module generates a perturbation signal injected into the bus terminal to obtain a transfer function of the bus terminal impedance.
|Defect inspection apparatus and defect inspection method|
There is provided a defect inspection apparatus including: an electron scanning unit configured to scan a surface of a sample with an electron beam; a plurality of detectors arranged around an optical axis of the electron beam and configured to detect electrons emitted from the surface of the sample by scanning the electron beam; a signal processing unit configured to generate image data of the surface of the sample based on detection signals from the detectors; an analysis unit configured to detect a defect due to irregularities of the surface of the sample based on the image data; and a control unit configured to control a scanning speed of the electron beam depending on the type of the sample.. .
|Signal processing for mass directed fraction collection|
A system and removing noise from a mass spectrometer signal for fraction collection is described herein.. .
|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..
|Video gaming system with ultrasonic speakers|
A three-dimensional (3d) sound gaming application can include an ultrasonic sound system, one or more gamers, a gaming console and a throat microphone set. The ultrasonic sound system can include a digital signal processing (dsp) that can adjust the phase, delay, reverb, echo, gain, magnitude or other audio signal component of an audio signal or audio signal components received from the gaming console; an amplifier which can amplify the processed audio signal; and a pair of emitters which can emit ultrasonic signals to each of the gamer's ears to produce a 3d sound effect.
|Earhole-wearable sound collection device, signal processing device, and sound collection method|
In the earhole-wearable sound collection device, a microphone that collects emitted speech voice is provided in a space that is substantially sealed off from outside and connects to an ear canal of the wearer, so that emitted speech voice propagating through the ear canal of the wearer is collected. A noise cancelling unit that reduces noise propagating in the internal space having the microphone located therein is further provided to improve the s/n ratio of emitted speech voice collection signals.
|Radio communication system, radio base station apparatus, user terminal and radio communication method|
To enable a user terminal to determine a cell of a downlink signal also in a heterogeneous environment using the same cell identification information, and thereby enable reception accuracy to be maintained, a radio communication method of the invention is characterized in that a radio base station apparatus generates a reference signal sequence by using a pseudo random sequence including user specific information, and transmits the reference signal sequence to a user terminal, and that the user terminal performs signal processing using the reference signal sequence transmitted from the radio base station apparatus.. .
|Display signal processing system, circuit board, and liquid crystal display|
A display signal processing system, a circuit board, and a liquid crystal display are disclosed. The display signal processing system includes an image processing circuit and a v-by-one circuit capable of selecting a jeida mode and a vesa mode.
|Solid-state imaging device, signal processing method thereof, and electronic apparatus|
A solid-state imaging device includes a pixel array section that includes a light-blocked pixel portion, and an effective pixel portion, and a signal process circuit that processes a pixel signal output from each pixel of the pixel array section. The signal processing circuit calculates, as held data, a row statistic obtained by performing a statistical process on pixel signals of the light-blocked pixel portion in the unit of rows, holds the held data items of a plurality of rows including a process target row of the pixel array section, randomly selects one of the held data items of a plurality of rows, and subtracts the randomly selected held data item from a pixel signal of the pixel of the process target row in the effective pixel portion..
|Security and surveillance system and method|
Provided is a security surveillance system and method capable of separately detecting fire and intrusion situations on the basis of a sound field variation, including a sound generating device outputting, into a set security surveillance space, a multi-tone sound wave formed of a linear sum of sine waves having a plurality of frequency components, a sound receiving device obtaining sound field information for each frequency represented as sound pressure and a phase from a sound wave received in the security surveillance space, and a sound field signal processing device storing sound field information for each frequency obtained from the sound receiving device in a preparation mode, comparing the stored sound field information with current sound field information for each frequency output from the sound receiving device in a surveillance mode, and determining occurrence of a security situation.. .
|Video conversion device|
A video conversion device includes a video signal input port, an audio signal input port, a signal processing module and a signal output module. The video signal input port and a video capture device is connected via a connecting assembly having a plug and a socket for receiving an external analog video signal from the video capture device.
An endoscope apparatus has a clamp circuit that clamps an image pickup signal that is obtained by picking up of an image with a ccd at timing that is specified with an optical black pulse, an image processing section that applies various kinds of signal processing to the image pickup signal that is outputted from the clamp circuit to convert the image pickup signal into a video signal, and a timing generator and a control section that change a phase of the optical black pulse in response to a kind of an endoscope or a length of an insertion portion.. .
|Method and apparatus for a superspeed usb bus powered real-time spectrum analyzer|
An rf processing module that when coupled to a computer having appropriate signal processing software will function as a spectrum analyzer. The rf processing module has a first stage mixer and a switch that allows either port of the first stage mixer to be selected as the input and receive the rf signal.
|True random number generator using gpu and signal processing techniques|
A true random number generator (trng) uses sources of uncertainty found within graphics processing units (gpus) together with signal processing techniques, for example histogram equalization, to obtain maximum entropy.. .
|Method for measuring the energy of pulses of optical radiation and device for implementing same|
What are described are: method and a device for measuring the energy of impulses of optical radiation, with aid of which a measurement error associated with the indeterminacy of the precise time at which impulse occurred between discrete readings of an analog-digital converter is reduced. The useful effect is, achieved by means of introducing a normalizing impulse converter which generates impulse electrical signals with a standard form which is not dependent on the form of the radiation impulses, and a corresponding procedure for digital signal processing..
|Real time digital signal processing|
An apparatus for performing digital signal processing is shown. The apparatus has memory, a first processing core and a second processing core.
|Single trial detection in encephalography|
An eeg cap (8) having 64 or 128 electrodes (10) is placed on the head of the subject (11) who is viewing crt monitor (14). The signals on each channel are amplified by amplifier (17) and sent to an analog-to-digital converter (20).
|Transmission gap creation and communications apparatus utilizing the same|
A communications apparatus includes a first radio frequency (rf) signal processing device, a first baseband signal processing device and a processor. The first rf signal processing device transceives a plurality of rf signals to and from a peer communications apparatus to communicate with the peer communications apparatus in compliance with a first radio access technology (rat) and processing the rf signals.
|Method for improving signal quality of a digital signal being transmitted through a non-linear device and apparatus using the same|
A digital signal processing method has steps of pre-emphasizing a digital signal, and then processing the pre-emphasized digital signal through a non-linear device. In the pre-emphasizing step, an undershoot is applied to a first level of the digital signal at a positive signal transition or an overshoot is applied to the digital signal at a negative first signal transition..
|Blind extraction of target signals|
A system and method allow for extracting target signals from the overall measurement data without knowing how and where these data are collected, the locations and characteristics of target sources as well as those of random background noise sources. In essence, it uses an innovative and advanced signal processing technique to reveal certain critical information from a mixture of data that is hard to obtain otherwise.
|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.
|Camera for acquiring optical properties and spatial structure properties|
A camera device for acquiring optical properties in a plurality of different wavelength ranges and spatial structure properties of an object includes a beam splitter for splitting light coming from an object into the plurality of different wavelength ranges; a first image sensor for generating a first sensor signal related to a first predetermined wavelength range; a first signal processing device for generating a first intensity image signal and a distance image signal using information about the temporal modulation of illumination light (m) and the first sensor signal; at least one second image sensor for generating a second intensity image signal for a second predetermined wavelength range; and a second signal processing device for generating a color image signal from the first intensity image signal and the second intensity image signal.. .
|Sensor system for independently evaluating the accuracy of the data of the sensor system|
A sensor system, having a plurality of sensor elements that are in a form such that they sense at least to some extent different primary measured variables use at least to some extent different measurement principles, a signal processing device. The signal processing device is in a form to evaluate the sensor signals from the sensor elements at least to some extent collectively and rates the information quality of the sensor signals, wherein the signal processing device provides a piece of information about the accuracy of at least one datum of a physical variable.
|Method for controlling an obstruction light and a wind park for carrying out such a method|
The invention concerns a method of controlling the flight lighting arrangement of a wind park by means of acoustic monitoring or wind park comprising one or more wind power installations, wherein the wind park has an acoustic monitoring device having a microphone arrangement, wherein the microphone arrangement records sound signals, noises or the like from the environment of the wind park and said sound signals are processed in a signal processing device connected to the microphone arrangement, wherein there is provided a switching device for switching on a flight lighting arrangement of at least one wind power installation of the wind park and the switching device is coupled to and controlled by the signal processing device so that the signal processing device causes the switching device to switch on the flight lighting arrangement if a sound signal of a flying object, for example an aircraft or a helicopter, is detected by means of the acoustic monitoring device, and/or a predetermined sound signal (for example sine sound) is superposed and/or falsified by the noises of the flying object.. .
|Signal processing device|
A level shifter converting a binary signal having a first potential and a second potential into a signal having the first potential and a third potential, and a signal processing circuit using the level shifter are provided. The first potential is higher than the second potential.
|Signal processing circuit|
A signal processing circuit includes a detection circuit detecting a high frequency signal being input; and an output signal adjustment circuit which is provided in a rear end of the detection circuit and includes a first field effect transistor and a second field effect transistor. The first field effect transistor has a drain connected to an output end of the detection circuit, a source connected to a gate of the second field effect transistor, and a gate connected to a drain of the second field effect transistor.
|Timbre selector, musical instrument, and timbre selecting method|
A timbre selector includes a first signal processing unit, a second signal processing unit and a first switch. The first signal processing unit includes a first input terminal, a first filter and a first output terminal.
|Automated statutory warning system to display disclaimers|
Disclosed is a method and system for real time appending at least one electronic message in at least one video stream. The system includes a channel identification module, a signal processing module, a decision module and a message appending module.
|Memory device with internal signal processing unit|
A method for operating a memory includes storing data in a plurality of analog memory cells that are fabricated on a first semiconductor die by writing input storage values to a group of the analog memory cells. After storing the data, multiple output storage values are read from each of the analog memory cells in the group using respective, different threshold sets of read thresholds, thus providing multiple output sets of the output storage values corresponding respectively to the threshold sets.
|Signal processing apparatus and signal processing method|
A signal processing apparatus feeding a frame of a signal in frequency domain of a reception voice signal into a sound echo canceler includes a first reception section for receiving frames of the reception voice signal in frequency domain before having a rate-of-speech change process applied; a second reception section for receiving frames of a signal in time domain having the rate-of-speech change process applied by units of frames; and a frequency-domain frame synthesis section for synthesizing a frame of the signal in frequency domain of the reception voice signal based on the signal in time domain having the rate-of-speech change process applied at a frame currently being processed by the signal processing apparatus, and a frame of the reception voice signal in frequency domain corresponding to the signal in time domain having the rate-of-speech change process applied.. .
|Heartbeat signal processing method|
A heartbeat signal method includes detecting first and second heartbeat signals, where the first and second heartbeat signals may be potential difference signals with respect to a reference potential. First and second average dc voltage values as voltage values of direct-current components in the first and second heartbeat signals are calculated.
|Method for handover of mobile apparatus and communication device for the same|
Provided are a method for handover of mobile apparatus, a communication device for the same, and a mobile apparatus using the same. A communication device of a mobile apparatus may comprise a first antenna unit, a second antenna unit, a first signal processing part receiving a handover command indicating to handover from a first beam which maintains connection with the mobile apparatus through the first antenna unit to a second beam, and storing information about the first beam, and a second signal processing part performing handover from a third beam which maintains connection with the mobile apparatus through the second antenna unit to the first beam by using the information about the first beam.
|Receiver and signal processing method|
A receiver includes a detector to detect an interfered-with carrier from a received and demodulated signal, a fast fourier transform computation part to perform fast fourier transform to convert a time domain signal to a frequency domain signal and adjust an output power level of a desired carrier wave contained in the frequency domain signal based upon the detected interfered-with carrier, and a channel estimation part to estimate a channel characteristic based upon a non-interfered-with pilot signal that is not subject to influence of the interfered-with carrier and an interpolation value interpolated based upon the non-interfered-with pilot signal, the non-interfered-with pilot signal being obtained by removing, based upon the interfered-with carrier, an interfered-with pilot signal that is subject to the influence of the interfered-with carrier and an interpolation value interpolated based upon the interfered-with pilot signal.. .
|Low-complexity diversity reception|
A system may comprise a plurality of signal processing paths, a bin-wise combiner, an inverse transformation block, and a dac. Each signal processing path may comprise a transformation block that is operable to transform a first time-domain digital signal to an associated frequency-domain signal having a plurality of subband signals.
|Wireless signal receiver and associated signal processing method|
A wireless signal receiver includes a receiving module, an automatic gain control (agc) module, a measuring module, a decoding module, and a control module. The receiving module receives a wireless signal.
|Wireless receiving system and associated signal processing method|
A wireless receiving system includes a packet searching module and a memory module. The packet searching module performs packet searching that includes adopting at least one parameter.
|Image reading device, image forming apparatus, and image reading method|
An image reading device includes a red light source, a green light source, a blue light source, a white reference plate, a light-amount adjusting section, a photo-detecting section, and a signal processing section. The light-amount adjusting section sets lighting periods of the red, green, and blue light sources for reading in a monochrome mode, based on: lighting periods of the red, green, and blue light sources set for reading in a color mode; and a result of detection performed by the photo-detecting section when the white reference plate is illuminated with the red light, the green light, and the blue light respectively emitted by the red, green, and blue light sources for the respective lighting periods set for reading in the color mode..
|Image capturing apparatus, signal processing apparatus and method|
A signal processing apparatus reduces noise by generating an interpolated signal for a noise-containing period using audio signals in periods before and after the noise-containing period, and replacing an audio signal in the noise-containing period with the interpolated signal. Here, the signal processing apparatus determines whether a phoneme is the same or different between before and after the noise-containing period, and controls a method for generating the interpolated signal in accordance with a result of the determination..
|Display device, electronic apparatus, driving method of display device, and signal processing method|
According to an aspect, a display device includes: an image display panel; and a plurality of signal processing circuits that are responsible for respective regions in the image display panel, that convert an input value of an input hsv color space of an input signal to each of their own responsible regions into an extension value of an extended hsv color space to generate an output signal of the extension value for the image display panel. The signal processing circuits decide an extension coefficient αa for the image display panel in its entirety in a cooperative manner.
|Color signal processing method and apparatus, and storage medium for performing the method|
Methods, apparatuses and storage mediums for processing color signals of an image are provided. A method includes converting an input signal in a first color space into a luminance component and a saturation component in a second color space, determining a boundary of the second color space by using the luminance component and the saturation component, determining whether the converted input signal is outside the boundary, and matching the saturation component so that the converted input signal outside the boundary of the second color space enters the second color space.
|Display apparatus, multi display system, and control method thereof|
Display apparatus, multi display system, and control method are provided. The display apparatus which comprises a display unit displaying an image, the display apparatus include: a storing unit in which information about a maximum resolution of the display unit is stored; a signal processing unit which captures an area of an input image signal of a high resolution, and processes the captured image signal to enable the display unit to display the input image signal if the input image signal has a resolution higher than the maximum resolution of the display unit stored in the storing unit; and an output unit which outputs the image signal input to the signal processing unit to an outside.
|Radar apparatus and signal processing method|
There is provided a radar apparatus capable of emitting a transmission wave relating to a transmitting signal which is frequency-modulated, and receiving a reflection wave coming from a target at which the transmission wave is reflected as a receiving signal, to derive at least position information of the target based on the receiving signal. A deriving unit derives a fluctuation value of a signal level relating to the receiving signal for a stationary target among the targets.
|Radar apparatus and signal processing method|
There is provided a radar apparatus capable of extracting a peak signal obtained from a difference frequency between a transmitting signal and a receiving signal during first and second periods and deriving target information based on the extracted peak signals. A predicting unit derives a predicted peak signal obtained by predicting a current peak signal based on the peak signal obtained in a previous process.
|System and method for low-power digital signal processing|
A system and method for low-power digital signal processing, for example, comprising adjusting a digital representation of an input signal.. .
|Rfid tags with cdma communication capabilities|
An apparatus for use in an rfid data collection system includes an antenna portion for wirelessly exchanging signals and a memory portion for storing rfid data. A signal processing portion is coupled among the antenna portion and the memory portion.
|Target position, movement and tracking system|
The invention provides a target object detection system, comprising a plurality of sensing nodes (10) for positioning at respective detection locations with respect to a detection area (12) that is situated within a field generated by an ambient ac source of excitation. Each sensing node has at least one electric potential sensor (22, 42) designed to detect perturbations in said field caused by a target object (14), said one sensor including an electrode (20, 40) responsive to the ac excitation field for generating detection signals, an amplifier (28) connected to the electrode for receiving and amplifying the detection signals to produce ac measurement signals as output, and at least one feedback circuit (30, 36) from an output of the amplifier to an input thereof for enhancing the input impedance of the amplifier.
|Signal line power receiving circuit, signal line power supply circuit and signal line power supply system|
A signal line power receiving circuit includes a signal processing unit, a power unit, a signal interface, a first isolation unit and a first filter unit. The signal interface transmits and receives data signals and receives power signals all via a first signal line.