Patent application number | Description | Published |
20100057389 | EVALUATING APPARATUS, A RECORDING MEDIUM STORING AN EVALUATING PROGRAM, AND METHOD FOR DESIGNING SIGNAL TRANSMISSION SYSTEM - A signal transmission evaluating apparatus acquires cross talk ratio and type categorized by a relationship between the first transmission path and the second transmission path for each of the pins of the second transmission path. The apparatus computes an occupation ratio of the crosstalk for each of the types with respect to all of the crosstalk supplied to the first transmission path in the connector, and computes a noise source output in the second transmission path on the basis of the occupation ratio for each of the types of crosstalk. And the apparatus computes first transmission path loss and second transmission path loss on the basis of the occupation ratio for each of the types of crosstalk, and computes an amount of received noise of the first transmission path on the basis of the noise source output and the first transmission path loss and the second transmission path loss. | 03-04-2010 |
20100181102 | PRINTED CIRCUIT BOARD AND PRINTED CIRCUIT BOARD UNIT - A printed circuit board on which a surface mount electronic device is mounted. The printed circuit board includes a substrate on which land arrangements are disposed in an array. Each land arrangement includes a core portion and drawing portions. The drawings are disposed along diagonal directions relative to the core portions of the array of the land arrangements. | 07-22-2010 |
20100240231 | CONNECTOR AND DEVICE INCLUDING THE SAME - A connector includes, a frame section which has an inner space defined by side walls and a bottom portion, a plurality of pins protruding from the bottom portion in the inner space, a cover which has a magnet and a plurality of holes, where the cover is movable along the pins in the inner space between a first position and a second position that the pins are electrically connected, a detection unit that output a detection signal, an electromagnet provided at a position on the bottom portion opposing the magnet, and a control unit that controls a moving of the cover between the first position and the second position by bringing the electromagnet in a normal ON state or in an OFF state or a reverse ON state. | 09-23-2010 |
20100311270 | ELECTRONIC APPARATUS AND CONNECTOR MODULE USED FOR THIS ELECTRONIC APPARATUS - An electronic apparatus wherein at least one detachable module is inserted into a rack and the module is connected with the rack by male/female connector, wherein it is made possible to detect any bending of pins of the male connector before the module is mounted in the rack and therefore incomplete mounting of the module to the rack can be prevented. A light source with high linearity is provided at each of the pins at the male connector side, while conversely a light receiving unit of light is provided at each of the receptacles at the female connector side. Before connection of the connectors, if all receiving units receive light, normality of the pins is detected. Instead of providing the light receiving units at the female connector side, providing a reflecting part at the female connector side and providing a light receiving unit at the male connector side is possible. | 12-09-2010 |
20110006405 | SEMICONDUCTOR DEVICE, MANUFACTURE METHOD OF SEMICONDUCTOR DEVICE, AND ELECTRONIC APPARATUS - A semiconductor device includes a substrate, an electronic component and a resin member. The substrate has a first electrode. The electronic component is provided on the substrate, and has a second electrode electrically connected to the first electrode. The resin member alleviates an external stress to the second electrode of the electronic component. The resin member is disposed on the substrate at a region separated from the electronic component. | 01-13-2011 |
20120017679 | ELECTRONIC COMPONENT ANALYZING APPARATUS AND METHOD - An electronic component analyzing apparatus is provided with a fixing part configured to hold a substrate to which an electronic component is soldered; a gripper configured to grip the electronic component; a transmission part coupled to the gripper, and configured to transmit an external force to the gripper as a force acting in a direction away from the substrate; and a support part configured to pivotally support the transmission part. | 01-26-2012 |
20140144858 | CASING MOUNTING RAIL, BLANK PLATE, AND RACK MOUNT SYSTEM - A coupling member is coupled to a support column of a rack. A plate-shaped member is rotatably engaged with a coupling member with one longitudinal end as an axis. An L-shaped member includes a first flat plate and a second flat plate orthogonal to the first flat plate and includes, with a transverse end of the first flat plate rotatably engaged with one plate face of the plate-shaped member with the longitudinal direction of the plate-shaped member as an axis and with a plate face of the first flat plate in intimate contact with the one plate face, a mounting member in which the second flat plate protrudes from one transverse end of the plate-shaped member and a fixing mechanism that fixes the mounting member with the plate face of the first flat plate in intimate contact with the one plate face of the plate-shaped member. | 05-29-2014 |
Patent application number | Description | Published |
20100274369 | SIGNAL PROCESSING APPARATUS, SOUND APPARATUS, AND SIGNAL PROCESSING METHOD - According to one embodiment, a signal processing apparatus, includes: an output module configured to output a sound source signal to an external environment; a receiver configured to receive a response signal responding to the sound source signal output by the output module; an extracting module configured to extract a noise component signal from the response signal received by the receiver using an inverse filtering process of a frequency characteristic, the frequency characteristic being set in advance by dividing a measurement response signal responding to a measurement sound source signal used to measure the external environment from the measurement source signal, the measurement source signal being one of the sound source signal output by the output module; and a removing module configured to remove the noise component signal from the sound source signal output by the output module after the extraction of the noise component signal. | 10-28-2010 |
20100329481 | ACOUSTIC CORRECTION APPARATUS AND ACOUSTIC CORRECTION METHOD - According to one embodiment, an acoustic correction apparatus includes: a signal obtaining module configured to obtain an acoustic signal from a target space including an object and an external space; a signal output module configured to output to the target space a measurement signal; a coefficient identifying module configured to identify, on the basis of a response acoustic signal, a correction coefficient of a correction filter that reduces a resonance frequency component of a resonance in the object; a filtering module configured to use the correction filter, and filter the signal provided to the object; a noise cancelling module configured to remove, on the basis of the acoustic signal, a noise component comprised in the acoustic signal from the filtered signal; and an output module configured to output the acoustic signal, from which the noise component is removed by the noise cancelling module, to the object. | 12-30-2010 |
Patent application number | Description | Published |
20100316225 | ELECTRO-ACOUSTIC CONVERSION APPARATUS - According to one embodiment, A microphone-earphone includes a speaker connected to an acoustic device configured to measure acoustic characteristics of a listener's external auditory canal, and configured to output an acoustic signal toward the listener's external auditory canal, a microphone device disposed outside the listener's external auditory canal, an acoustic tube including one end connected to the microphone device and the other end opening to the listener's external auditory canal, and a housing including an opening portion which accommodates the speaker and is so disposed as to guide sound, which is output from the speaker, to the listener's external auditory canal. An inside diameter of the acoustic tube is less than a diameter of the opening portion. | 12-16-2010 |
20110158427 | AUDIO SIGNAL COMPENSATION DEVICE AND AUDIO SIGNAL COMPENSATION METHOD - An audio signal compensation device includes: a signal processor configured to perform filtering on an input audio signal; a filter coefficients storage module configured to store a plurality of filter coefficients; a user interface configured to provide options for a determination of filter coefficients to a user and to obtain a selection result from the user; and a filter coefficients determining module configured to determine a set of filter coefficients among the plurality of filter coefficients based on the selection result. The options for the determination of filter coefficients are produced by selecting a first filter coefficient and a second filter coefficient from the plurality of filter coefficients, the first filter coefficient corresponding to a first characteristic quantity of external auditory canal characteristics, the second filter coefficient corresponding to a second characteristic quantity of the external auditory canal characteristics which is predicted based on the first characteristic quantity. | 06-30-2011 |
20110274292 | ACOUSTIC CHARACTERISTIC CORRECTION COEFFICIENT CALCULATION APPARATUS, ACOUSTIC CHARACTERISTIC CORRECTION COEFFICIENT CALCULATION METHOD AND ACOUSTIC CHARACTERISTIC CORRECTION APPARATUS - According to one embodiment, an acoustic characteristic correction coefficient calculation apparatus includes a frequency converter, a smoother, a frequency inverter, a cutter, and a calculator. The frequency converter is configured to convert a first impulse response corresponding to an input acoustic signal to a frequency domain. The smoother is configured to smooth amplitude and phase corresponding to the frequency domain converted by the frequency converter. The frequency inverter is configured to convert a frequency characteristic smoothed by the smoother to a time domain. The cutter is configured to cut out a second impulse response configured by the time domain obtained by converting the frequency characteristic by use of the frequency inverter by a preset tap number. The calculator is configured to calculate a correction coefficient used to correct an acoustic characteristic based on a result cut out by the cutter. | 11-10-2011 |
Patent application number | Description | Published |
20080225440 | Input Operation Device - An input operation device, wherein a manual operation element ( | 09-18-2008 |
20080300483 | Chemical Liquid Injection System - A chemical liquid injection system with which a chemical liquid in a chemical liquid container can be directly injected into a patient without using an intervening liquid syringe or the like. | 12-04-2008 |
20090014303 | MULTI-STAGE DETECTOR - A multi-stage detector capable of accurately detecting an input operations in steps. Since the vertical lengths of a plurality of displacement press members ( | 01-15-2009 |
20100015011 | CONNECTION ADAPTER AND CHEMICAL LIQUID CONNECTING APPARATUS - A connection adapter comprises a hollow supply needle communicating with a liquid supply tube connection portion, a hollow discharge needle communicating with a chemical liquid injection tube connection portion, a holder portion supporting the supply needle and the discharge needle, and a protection cap removably fit on the polder portion, the supply needle and the discharge needle being accommodated by and hermetically sealed in the protection cap and the holder portion. By using the adapter, a liquid is supplied from the liquid supply tube to remove air in the liquid supply tube and the chemical liquid injection tube, and then the protection cap is removed, and then the needles are inserted into a chemical liquid container having an opening sealed with an elastic member, and a push-out liquid is supplied from the liquid supply needle into the chemical liquid container, whereby the chemical liquid is injected through the discharge needle and the chemical liquid injection tube into a patient. | 01-21-2010 |
20100166197 | SOUND CORRECTOR, SOUND MEASUREMENT DEVICE, SOUND REPRODUCER, SOUND CORRECTION METHOD, AND SOUND MEASUREMENT METHOD - According to one embodiment, a sound corrector includes a signal outputter, a response signal, a frequency specifier, a coefficient specifier, a filter, and an outputter. The signal outputter outputs a measurement signal to measure acoustical properties of an object to be measured. The response signal receiver receives a response signal from the object in response to the measurement signal. The frequency specifier specifies a resonant frequency at a resonance peak from the response signal. The coefficient specifier specifies a correction coefficient of a correction filter for reducing the resonant frequency based on the specified resonant frequency. The filter performs filtering on a signal to be output to the object using the correction filter with the correction coefficient. The outputter outputs the signal having undergone the filtering to the object. | 07-01-2010 |
20100166218 | Sound Processor, Sound Reproducer, and Sound Processing Method - According to one embodiment, a sound processor includes a creating module, a filter, and a combining module. The creating module creates a plurality of first acoustic models based on a frequency characteristic that represents an acoustic property of an object to be measured. The first acoustic models are modeled with respect to resonance properties that vary depending on frequency bands. The filter extracts frequency components in the frequency bands from the respective first acoustic models. The combining module combines the frequency components extracted from the first acoustic models to create a second acoustic model. | 07-01-2010 |
Patent application number | Description | Published |
20090208027 | APPARATUS FOR RECTIFYING RESONANCE IN THE OUTER-EAR CANALS AND METHOD OF RECTIFYING - According to one embodiment, an apparatus for cancelling resonance in an outer-ear canal, comprises an outer-ear canal model includes attenuator modules representing reflection coefficients of an earphone or headphone and an eardrum, and a delay module having a delay time corresponding to a distance between the earphone or headphone and the eardrum, an inverse-filter forming unit configured to form an inverse filter of the outer-ear canal model, and a convolution module configured to perform convolution on an impulse response from the inverse filter and a sound-source signal. | 08-20-2009 |
20090296949 | ACOUSTIC CHARACTERISTIC CORRECTION APPARATUS, ACOUSTIC CHARACTERISTIC MEASUREMENT APPARATUS, AND ACOUSTIC CHARACTERISTIC MEASUREMENT METHOD - According to one embodiment, an acoustic characteristic measurement apparatus comprises a generation module configured to generate a measuring pulse for measuring an acoustic characteristic of a subject, an acquisition module configured acquire an acoustic characteristic of the subject based on a response signal from the subject, and a transducer module configured to transduce the measurement pulse into an acoustic signal to be transmitted to the subject and transduce an acoustic response signal from the subject into an electrical response signal to be supplied to the acquisition module. | 12-03-2009 |
20100142719 | ACOUSTIC APPARATUS AND METHOD OF CONTROLLING AN ACOUSTIC APPARATUS - According to one embodiment, an acoustic apparatus comprises an electro-acoustic transducer with a first function of converting an electric signal to an acoustic signal and a second function of converting an acoustic signal to an electric signal, the electro-acoustic transducer configured to convert a measuring electric signal to a measuring acoustic signal using the first function, and to convert an acoustic response signal responding to the measuring acoustic signal from an object to an electric response signal using the second function, a switch configured to switch the first function to the second function, or vice versa, and a switch controller configured to control a function switching of the switch in accordance with a sound source signal. | 06-10-2010 |
20100150362 | ACOUSTIC APPARATUS - According to one embodiment, an acoustic apparatus comprises a measuring signal generator, a transducer configured to convert a measuring signal to a measuring sound and to convert a characteristic vibration of the transducer due to the measuring sound, to a characteristic vibration signal, an analysis module configured to analyze the characteristic vibration signal in order to output a physical quality of a characteristic vibration of the transducer, a controller configured to set a first state in which the transducer converts an electric signal to an acoustic signal or a second state in which the transducer converts an acoustic signal to an electric signal. The measuring signal generator is connected to the transducer in the first state and the analysis module is connected to the transducer in the second state. | 06-17-2010 |
Patent application number | Description | Published |
20080270131 | METHOD, PREPROCESSOR, SPEECH RECOGNITION SYSTEM, AND PROGRAM PRODUCT FOR EXTRACTING TARGET SPEECH BY REMOVING NOISE - The present invention relates to a method, preprocessor, speech recognition system, and program product for extracting a target speech by removing noise. In an embodiment of the invention target speech is extracted from two input speeches, which are obtained through at least two speech input devices installed in different places in a space, applies a spectrum subtraction process by using a noise power spectrum (Uω) estimated by one or both of the two speech input devices (Xω(T)) and an arbitrary subtraction constant (α) to obtain a resultant subtracted power spectrum (Yω(T)). The invention further applies a gain control based on the two speech input devices to the resultant subtracted power spectrum to obtain a gain-controlled power spectrum (Dω(T)). The invention further applies a flooring process to said resultant gain-controlled power spectrum on the basis of arbitrary Flooring factor (β) to obtain a power spectrum for speech recognition (Zω(T)). | 10-30-2008 |
20080280176 | FUEL CELL SYSTEM - A fuel cell system ( | 11-13-2008 |
20090035630 | FUEL CELL SYSTEM AND SHUTDOWN METHOD OF THE SAME - At shutdown of a fuel cell system, a system-shutdown controller is configured to cause a current extraction device to extract current from a fuel cell in a state where a supply of a fuel gas through a fuel supply system is continued and a supply of an oxidant gas through an oxidant supply system is stopped, and the system-shutdown controller is configured to airtightly close fresh-air control valves after increasing pressure of the fuel gas in a fuel electrode to not less than atmospheric pressure and not less than pressure of the oxidant gas in an oxidant electrode. | 02-05-2009 |
20090043570 | METHOD FOR PROCESSING SPEECH SIGNAL DATA - Method for processing speech signal data. A speech signal is divided into frames. Each frame is characterized by a frame number T representing a unique interval of time. Each speech signal is characterized by a power spectrum with respect to frame T and frequency band ω. A speech segment and a reverberation segment of the speech signal is determined. L filter coefficients W(k) (k=1, 2, . . . , L) respectively corresponding to L frames immediately preceding frame T are computed such that the L filter coefficients minimize a function Φ that is a linear combination of sum of squares of a residual speech power in the reverberation segment and a sum of squares of a subtracted speech power in the speech segment. The computed L filter coefficients are stored within storage media of the computing apparatus. | 02-12-2009 |
20090210224 | SYSTEM, METHOD AND PROGRAM FOR SPEECH PROCESSING - The present invention relates to a system, method and program for speech recognition. In an embodiment of the invention a method for processing a speech signal consists of receiving a power spectrum of a speech signal and generating a log power spectrum signal of the power spectrum. The method further consists of performing discrete cosine transformation on the log power spectrum signal and cutting off cepstrum upper and lower terms of the discrete cosine transformed signal. The method further consists of performing inverse discrete cosine transformation on the signal from which the cepstrum upper and lower terms are cut off. The method further consists of converting the inverse discrete cosine transformed signal so as to bring the signal back to a power spectrum domain and filtering the power spectrum of the speech signal by using, as a filter, the signal which is brought back to the power spectrum domain. | 08-20-2009 |
20090222258 | VOICE ACTIVITY DETECTION SYSTEM, METHOD, AND PROGRAM PRODUCT - A voice activity detection method in a low SNR environment. The voice activity detection is performed by extracting a long-term spectrum variation component and a harmonic structure as feature vectors from a speech signal and increasing difference in feature vectors between speech and non-speech (i) using the long-term spectrum variation component feature or (ii) using a long-term spectrum variation component extraction and a harmonic structure feature extraction. A correct rate and an accuracy rate of the voice activity detection is improved over conventional methods by using a long-term spectrum variation component having a window length over an average phoneme duration of an utterance in the speech signal. The voice activity detection system and method provides speech processing, automatic speech recognition, and speech output capable of very accurate voice activity detection. | 09-03-2009 |
20110131044 | TARGET VOICE EXTRACTION METHOD, APPARATUS AND PROGRAM PRODUCT - An apparatus, program product and method is provided for separating a target voice from a plurality of other voices having different directions of arrival. The method comprises the steps of disposing a first and a second voice input device at a predetermined distance from one another and upon receipt of voice signals at said devices calculating discrete Fourier transforms for the signals and calculating a CSP (cross-power spectrum phase) coefficient by superpositioning multiple frequency-bin components based on correlation of the two spectra signals received and then calculating a weighted CSP coefficient from said two discrete Fourier-transformed speech signals. A target voice is separated when received by said devices from other voice signals in a spectrum by using the calculated weighted CSP coefficient. | 06-02-2011 |
Patent application number | Description | Published |
20120185243 | SPEECH FEATURE EXTRACTION APPARATUS, SPEECH FEATURE EXTRACTION METHOD, AND SPEECH FEATURE EXTRACTION PROGRAM - A speech feature extraction apparatus, speech feature extraction method, and speech feature extraction program. A speech feature extraction apparatus includes: first difference calculation module to: (i) receive, as an input, a spectrum of a speech signal segmented into frames for each frequency bin; and (ii) calculate a delta spectrum for each of the frame, where the delta spectrum is a difference of the spectrum within continuous frames for the frequency bin; and first normalization module to normalize the delta spectrum of the frame for the frequency bin by dividing the delta spectrum by a function of an average spectrum; where the average spectrum is an average of spectra through all frames that are overall speech for the frequency bin; and where an output of the first normalization module is defined as a first delta feature. | 07-19-2012 |
20120330657 | SPEECH FEATURE EXTRACTION APPARATUS, SPEECH FEATURE EXTRACTION METHOD, AND SPEECH FEATURE EXTRACTION PROGRAM - A speech feature extraction apparatus, speech feature extraction method, and speech feature extraction program. A speech feature extraction apparatus includes: first difference calculation module to: (i) receive, as an input, a spectrum of a speech signal segmented into frames for each frequency bin; and (ii) calculate a delta spectrum for each of the frame, where the delta spectrum is a difference of the spectrum within continuous frames for the frequency bin; and first normalization module to normalize the delta spectrum of the frame for the frequency bin by dividing the delta spectrum by a function of an average spectrum; where the average spectrum is an average of spectra through all frames that are overall speech for the frequency bin; and where an output of the first normalization module is defined as a first delta feature. | 12-27-2012 |
20150112669 | REGULARIZED FEATURE SPACE DISCRIMINATION ADAPTATION - A method and apparatus are provided for training a transformation matrix of a feature vector for an acoustic model. The method includes training the transformation matrix of the feature vector. The transformation matrix maximizes an objective function having a regularization term. The method further includes transforming the feature vector using the transformation matrix of the feature vector, and updating the acoustic model stored in a memory device using the transformed feature vector. | 04-23-2015 |
Patent application number | Description | Published |
20130003070 | STRUCTURE, CHIP FOR LOCALIZED SURFACE PLASMON RESONANCE SENSOR, LOCALIZED SURFACE PLASMON RESONANCE SENSOR, AND FABRICATING METHODS THEREFOR - Implemented is a chip for localized surface plasmon resonance sensor, which is able to provide a localized surface plasmon resonance sensor of higher sensitivity. A structure of the invention is characterized by including a planar section and tubular bodies, wherein the tubular bodies are vertically arranged so that openings thereof open at the planar surface of the planar section, an average inner diameter of the openings of the tubular bodies is within a range of from 5 nm to 2,000 nm, a ratio (A/B) of inner diameter A of the openings of the tubular bodies and inner diameter B at the midpoint of the depth from the openings of the tubular bodies is within a range of from 1.00 to 1.80, and the bottom of the tubular bodies is aspherical. | 01-03-2013 |
20130321783 | VECTOR WAVE RECORDING MEDIUM, AND MULTIPLE RECORDING AND REPRODUCING METHOD - The present invention pertains to a vector wave recording medium which: has an information recording layer comprising a photo-induced birefringence material; irradiates a recording signal light of a first polarization state, and a recording reference light of a second polarization state that differs to the first polarization state; and carries out vector wave multiplex recording by holography on the information recording layer. The vector wave recording medium is configured in such a manner that ηmin/ηmax=0.1 is satisfied, where, assuming irradiation energy for the recording signal light and the recording reference light is constant, the maximum value of the diffraction efficiency of a playback signal light from diffraction gratings corresponding to information recorded in the information recording layer after the vector wave multiplex recording has been carried out by holography on the information recording layer, is regarded as ηmax, and the minimum value is regarded as ηmin. A vector wave recording medium and a multiplex recording and playback method therefor, which do not require scheduling to be carried out, and which carry no risk of causing a reduction in transfer rates in a recording system, can thus be provided. | 12-05-2013 |