Patent application number | Description | Published |
20100154015 | METADATA SEARCH APPARATUS AND METHOD USING SPEECH RECOGNITION, AND IPTV RECEIVING APPARATUS USING THE SAME - A metadata search apparatus using speech recognition includes a metadata processor for processing contents metadata to obtain allomorph of target vocabulary required for speech recognition and search; a metadata storage unit for storing the contents metadata; a speech recognizer for performing speech recognition on speech data uttered by a user by searching the allomorph of the target vocabulary; a query language processor for extracting a keyword from the vocabulary speech-recognized by the speech recognizer; and a search processor for searching the metadata storage unit to extract the contents metadata corresponding to the keyword. An IPTV receiving apparatus employs the metadata search apparatus to provide IPTV services through the functions of speech recognition. | 06-17-2010 |
20100158271 | METHOD FOR SEPARATING SOURCE SIGNALS AND APPARATUS THEREOF - A method for separating a sound source from a mixed signal, includes Transforming a mixed signal to channel signals in frequency domain; and grouping several frequency bands for each channel signal to form frequency clusters. Further, the method for separating the sound source from the mixed signal includes separating the frequency clusters by applying a blind source separation to signals in frequency domain for each frequency cluster; and integrating the spectrums of the separated signal to restore the sound source in a time domain wherein each of the separated signals expresses one sound source. | 06-24-2010 |
20100161326 | SPEECH RECOGNITION SYSTEM AND METHOD - A speech recognition system includes: a speed level classifier for measuring a moving speed of a moving object by using a noise signal at an initial time of speech recognition to determine a speed level of the moving object; a first speech enhancement unit for enhancing sound quality of an input speech signal of the speech recognition by using a Wiener filter, if the speed level of the moving object is equal to or lower than a specific level; and a second speech enhancement unit enhancing the sound quality of the input speech signal by using a Gaussian mixture model, if the speed level of the moving object is higher than the specific level. The system further includes an end point detection unit for detecting start and end points, an elimination unit for eliminating sudden noise components based on a sudden noise Gaussian mixture model. | 06-24-2010 |
20100161329 | VITERBI DECODER AND SPEECH RECOGNITION METHOD USING SAME - A Viterbi decoder includes: an observation vector sequence generator for generating an observation vector sequence by converting an input speech to a sequence of observation vectors; a local optimal state calculator for obtaining a partial state sequence having a maximum similarity up to a current observation vector as an optimal state; an observation probability calculator for obtaining, as a current observation probability, a probability for observing the current observation vector in the optimal state; a buffer for storing therein a specific number of previous observation probabilities; a non-linear filter for calculating a filtered probability by using the previous observation probabilities stored in the buffer and the current observation probability; and a maximum likelihood calculator for calculating a partial maximum likelihood by using the filtered probability. The filtered probability may be a maximum value, a mean value or a median value of the previous observation probabilities and the current observation probability. | 06-24-2010 |
20100161334 | UTTERANCE VERIFICATION METHOD AND APPARATUS FOR ISOLATED WORD N-BEST RECOGNITION RESULT - An utterance verification method for an isolated word N-best speech recognition result includes: calculating log likelihoods of a context-dependent phoneme and an anti-phoneme model based on an N-best speech recognition result for an input utterance; measuring a confidence score of an N-best speech-recognized word using the log likelihoods; calculating distance between phonemes for the N-best speech-recognized word; comparing the confidence score with a threshold and the distance with a predetermined mean of distances; and accepting the N-best speech-recognized word when the compared results for the confidence score and the distance correspond to acceptance. | 06-24-2010 |
20120150539 | METHOD FOR ESTIMATING LANGUAGE MODEL WEIGHT AND SYSTEM FOR THE SAME - Method of the present invention may include receiving speech feature vector converted from speech signal, performing first search by applying first language model to the received speech feature vector, and outputting word lattice and first acoustic score of the word lattice as continuous speech recognition result, outputting second acoustic score as phoneme recognition result by applying an acoustic model to the speech feature vector, comparing the first acoustic score of the continuous speech recognition result with the second acoustic score of the phoneme recognition result, outputting first language model weight when the first coustic score of the continuous speech recognition result is better than the second acoustic score of the phoneme recognition result and performing a second search by applying a second language model weight, which is the same as the output first language model, to the word lattice. | 06-14-2012 |
20130064341 | PASSIVE AUXILIARY CONDENSING APPARATUS OF NUCLEAR POWER PLANT - A passive auxiliary condensing apparatus of a nuclear power plant includes a steam generation unit configured to heat a water supplied thereto into a steam by a heat produced when operating a nuclear reactor, a water cooled heat exchange unit connected to the steam generation unit and configured to store a cooling water therein to condense the steam provided from the steam generation unit, and a steam-water separation tank including a first side connected to the water cooled heat exchange unit and a second side connected to the steam generation unit, wherein a mixture of a water and a steam provided from the water cooled heat exchange unit is separated into the water and the steam to provide only the water to the steam generation unit. | 03-14-2013 |
Patent application number | Description | Published |
20080210407 | Heat Transfer Device and Manufacturing Method Thereof Using Hydrophilic Wick - Provided is a flat panel type heat transfer device for effectively dissipating heat generated from a heat source in contact with a casing, comprising the casing sealed and having a certain shape, a coolant loaded in the casing and undergoing phase transition, one or more flat panel type hydrophilic wick structures in contact with at least a portion of an inner surface of the casing, manufactured by aggregating fibers capable of absorbing the coolant, and providing a coolant passage leading the coolant to flow in a direction parallel to the inner surface of the casing, and one or more support structures, each having a plurality of through holes which provide coolant passages through which coolant in a vapor phase or a liquid phase flows, while supporting the hydrophilic wick structure such that the hydrophilic wick structure is in close contact with the inner surface of the casing, wherein the coolant fills a portion of a space in the casing and circulates in the space in a manner such that the coolant flows through the hydrophilic wick structure by means of capillary force generated in fine passages formed in the hydrophilic wick structure toward a relatively hot point, is evaporated by heat from a heat source, flows in a vapor phase toward a relatively low temperature point, condenses at the relatively low temperature point, flows back in a liquid phase to the relatively hot point, and repeats the cycle of evaporation and condensation. | 09-04-2008 |
20120026315 | DISPLAY PANEL TEST APPARATUS AND METHOD OF TESTING A DISPLAY PANEL USING THE SAME - A display panel test apparatus includes: an image pickup part which picks up an image from a target display panel; a jig including a receiving part which receives the target display panel, a fixing part which fixes the image pickup part, and an adjusting part which adjusts an image pickup angle of the image pickup part; a pattern generating part which provides the target display panel with a test pattern; a defect extracting part which analyzes test image data provided from the image pickup part using a defect extracting algorithm and extracts display defect information, where the defect extracting algorithm includes different settings corresponding to different types of display defects; and a control part which generates evaluated data corresponding to a viewing angle of the target display panel using the image pickup angle of the image pickup part and the display defect information. | 02-02-2012 |
20120274108 | Airplane Seat System - A convenient airplane seat system having a modified seat arrangement to reduce contact and interference between adjacent passengers. In the airplane seat system, a plurality of seats, each having a seat part, a backrest part, and armrests, are arranged in lines on a frame, and one line of seats is higher than other lines of seats by a predetermined length, and said one line is further forward than the other lines of seats by a predetermined distance. | 11-01-2012 |
Patent application number | Description | Published |
20090126047 | REGULATOR FOR FLOWERING TIME, TRANSGENIC PLANT TRANSFORMED WITH THE SAME, AND METHOD FOR REGULATING FLOWERING TIME - The present invention relates to a flowering-time and/or stem elongation regulator isolated from rice, which is selected from OsMADS50, OsMADSS1, OsMADS56, OsMADS14, OsTRX1, OsVIN1, OsCOL4 and OsCOLS, a DNA construct containing the regulator, a transgenic plant, a part thereof, and plant cell transformed with the DNA construct, and method to control flowering-time and/or stem elongation using the regulator. In the present invention, the flowering-time and/or stem elongation can be controlled, and thereby, various agricultural benefits obtained. | 05-14-2009 |
20110191908 | REGULATOR FOR FLOWERING TIME, TRANSGENIC PLANT TRANSFORMED WITH THE SAME, AND METHOD FOR REGULATING FLOWERING TIME - The present invention relates to a flowering-time and/or stem elongation regulator isolated from rice, which is selected from OsMADS50, OsMADSS1, OsMADS56, OsMADS14, OsTRX1, OsVIN1, OsCOL4 and OsCOLS, a DNA construct containing the regulator, a transgenic plant, a part thereof, and plant cell transformed with the DNA construct, and method to control flowering-time and/or stem elongation using the regulator. In the present invention, the flowering-time and/or stem elongation can be controlled, and thereby, various agricultural benefits obtained. | 08-04-2011 |
Patent application number | Description | Published |
20130169342 | DEVICE AND METHOD FOR REMOVING HARMONIC COMPONENTS - An apparatus of a Harmonic Rejection Mixer (HRM) for removing a harmonic component and an operating method thereof are provided. The HRM includes a Local Oscillator (LO), at least one frequency converter, at least two mixers, at least one phase converter, and a combiner. The LO generates an LO signal. The at least one frequency converter multiplies the LO signal using different variables to provide the same to at least two mixers. The at least two mixers convert a frequency band of an input signal using the LO signal provided from the LO and the at least one frequency converter. The at least one phase converter controls a phase of an output signal of at least one other mixer excluding one of the at least two mixers. The combiner combines an output signal of the one mixer with an output signal of the at least one phase converter. | 07-04-2013 |
20130182855 | MULTIMEDIA PLAYING APPARATUS AND METHOD FOR OUTPUTTING MODULATED SOUND ACCORDING TO HEARING CHARACTERISTIC OF USER - Multimedia playing apparatuses and methods of measuring hearing characteristics of a user and outputting a sound modulated according to the hearing characteristics of the user are provided. A multimedia playing apparatus includes a sound output unit configured to output a sound comprising of one or more phonemes, and a user interface configured to receive a user response to the phonemes. The multimedia playing apparatus further includes a processor configured to acquire hearing characteristics of a user based on the user response, and determine an output level and/or an output time of the sound for each of frequency bands based on the hearing characteristics of the user. The sound output unit is further configured to output the sound according to the output level and/or the output time of the sound for each of the frequency bands. | 07-18-2013 |
20130243043 | TRANSMITTER AND RECEIVER FOR REDUCING POWER CONSUMPTION IN FM-UWB COMMUNICATION SYSTEM - A transmitter and a receiver for reducing power consumption in a frequency modulation-ultra-wideband (FM-UWB) communication system are provided. The transmitter includes a detector configured to generate a pulse signal when an edge of a digital signal is detected. The transmitter further includes a first modulator configured to modulate the digital signal into a first modulation signal based on a value of the digital signal. The transmitter further includes a second modulator configured to modulate the first modulation signal into a second modulation signal based on a frequency of the first modulation signal when the pulse signal is generated. | 09-19-2013 |
20130243111 | METHOD AND APPARATUS FOR ESTIMATING OFFSET VALUE, RECEIVING APPARATUS, AND METHOD OF PROCESSING SIGNAL IN RECEIVING APPARATUS - A receiving apparatus for receiving a signal from a transmitting includes a receiving unit configured to receive the signal from the transmitting apparatus; a selecting unit configured to select whether to consider channel information in estimating an offset value between the transmitting apparatus and the receiving apparatus; an offset value estimating apparatus configured to estimate the offset value between the transmitting apparatus and the receiving apparatus either considering the channel information or without considering the channel information based on a selection made by the selecting unit; a synchronization performing unit configured to perform synchronization based on the estimated offset value; and a demodulation unit configured to perform demodulation of the received signal based on a result of performing the synchronization. | 09-19-2013 |
20130315401 | APPARATUS AND METHOD FOR REMOVING NOISE - A method of removing noise from a two-channel signal includes receiving channel signals constituting the two-channel signal; obtaining a noise signal for each channel by removing a target signal from each channel signal by subtracting another channel signal multiplied by a weighted value from each channel signal; estimating a power spectral density (PSD) of diffuse noise from each channel signal; obtaining a target signal including an interference signal for each channel by removing the diffuse noise from each channel signal using the estimated PSD of the diffuse noise; obtaining the interference signal for each channel by removing the diffuse noise from the noise signal for each channel using the estimated PSD of the diffuse noise; and removing the interference signal from the target signal including the interference signal for each channel. | 11-28-2013 |
20140050250 | APPARATUS AND METHOD FOR GENERATING GAUSSIAN PULSE AND ULTRA WIDEBAND COMMUNICATION APPARATUS FOR GENERATING GAUSSIAN PULSE - A pulse generation apparatus includes a delay pulse generator configured to generate a plurality of delay pulses, an amplitude modulator configured to modulate amplitudes of the plurality of delay pulses, and a Gaussian pulse generator configured to generate a Gaussian pulse based on the amplitude-modulated delay pulses. | 02-20-2014 |
20140050252 | APPARATUS AND METHOD FOR ULTRA WIDEBAND COMMUNICATION USING DUAL BAND PASS FILTER - An apparatus and method for ultra wideband (UWB) communication, using a dual band pass filter (BPF) is disclosed. The UWB communication apparatus may include a first BPF performing a first band pass filtering with respect to a UWB signal, a second BPF that has a center frequency differing from a center frequency of the first BPF, and performs a second band pass filtering with respect to the UWB signal, a first envelope detector that detects a size of a first signal filtered in the first BPF, a second envelope detector that detects a size of a second signal filtered in the second BPF, and a demodulator that demodulates a UWB signal, using the size of the first signal and the size of the second signal. | 02-20-2014 |
20140146988 | WIRELESS COMMUNICATION METHOD AND APPARATUS OF HEARING DEVICE - A wireless communication method of a hearing aid includes extracting an audio signal through a first hearing aid, determining a beam forming vector as a beam toward a rear of a user wearing the first hearing aid and a second hearing aid. The method may also include pre-coding of the audio signal using the beam forming vector, and transmitting the pre-coded audio signal to the second hearing aid through a first antenna. The first hearing aid may include the first antenna and the second hearing aid includes a second antenna. | 05-29-2014 |
20140152514 | ULTRA-WIDEBAND (UWB) ANTENNA - A small-sized ultra-wideband (UWB) antenna includes a radiating unit configured to have a contour of a first shape, a ground unit configured to have a contour of a shape substantially equal to the first shape, and disposed parallel to the radiating unit, at least one shorting pin connected orthogonal to the ground unit and the radiating unit to connect a first area of the ground unit and a first area of the radiating unit, and a feeding unit connected orthogonal to the ground unit and the radiating unit to connect a second area of the ground unit and a second area of the radiating unit. | 06-05-2014 |
20140153757 | METHOD OF PROCESSING SOUND AND HEARING APPARATUS USING THE SAME - A hearing apparatus and a method thereof for processing a noise included in an input signal are provided. The method of processing noise involves: pairing a hearing apparatus with an electronic appliance; extracting noise characteristic information of the paired electronic appliance; and processing noise from the electronic appliance included in an input signal based on the noise characteristic information. | 06-05-2014 |
20140169574 | HEARING DEVICE CONSIDERING EXTERNAL ENVIRONMENT OF USER AND CONTROL METHOD OF HEARING DEVICE - A hearing device and a method of the hearing aid are provided considering an external environment surrounding a user. The hearing device includes an external environment determination unit, an inquiry unit, and a parameter set unit. The external environment determination unit is configured to determine an external environment surrounding a user wearing the hearing device. The inquiry unit is configured to select a question corresponding to the external environment and inquire the question to the user. The parameter set unit is configured to set a parameter of the hearing device based on a response to the question and hearing loss information of the user. | 06-19-2014 |
20140205118 | METHOD OF DETERMINING OPERATION MODE OF HEARING DEVICE AND HEARING DEVICE - A method of determining an operation mode of a hearing device and the hearing device may include detecting an input signal of the hearing device, determining the operation mode of the hearing device by determining whether the input signal is a designated signal related to a programming mode of the hearing device, and controlling the hearing device according to the operation mode. | 07-24-2014 |
20140211971 | HEARING LOSS COMPENSATION APPARATUS AND METHOD USING 3D EQUAL LOUDNESS CONTOUR - A hearing loss compensation apparatus and method compensate for distortion caused by a change in a sound transmission path using hearing characteristics of a user. The hearing loss compensation apparatus may include a sound direction detection device configured to detect a sound generation direction, in which a sound generates, using one or more microphones, and a sound compensation device configured to compensate the sound using hearing characteristics of a user corresponding to the sound generation direction. Additionally, a hearing characteristics measurement apparatus and method provide a way to obtain such hearing characteristics information. | 07-31-2014 |
20140294187 | APPARATUS AND METHOD FOR DETERMINING PARAMETER USING AUDITORY MODEL OF HEARING LOSS PATIENT - An apparatus and method are provided to determine a parameter using an auditory model of a hearing loss patient. The parameter determination apparatus determines a similarity between a neurogram of a normal subject and a neurogram of a hearing loss patient, and determines an optimal frequency band for the hearing loss patient based on the similarity. | 10-02-2014 |
20140307901 | METHOD AND APPARATUS FOR LOW POWER OPERATION OF BINAURAL HEARING AID - Provided is a method and apparatus for low power operation of a binaural hearing aid, the method including determining whether a residual battery exceeds a predetermined threshold level, collecting an external audio signal, in response to whether the residual battery exceeds the predetermined threshold level, and transmitting the collected audio signal to a second hearing aid. | 10-16-2014 |
20140307902 | HEARING APPARATUS INCLUDING COIL OPERABLE IN DIFFERENT OPERATION MODES - A hearing apparatus includes a coil and a coil operation mode selector configured to select either a first coil operation mode for communicating with a wireless communication terminal, or a second coil operation mode for wirelessly charging a battery of the hearing apparatus. | 10-16-2014 |
20140330160 | HEARING APPARATUS AND METHOD FOR MEASURING DISTANCE BETWEEN EARDRUM AND HEARING APPARATUS - A hearing apparatus and method for measuring a distance between an eardrum and the hearing apparatus are provided. The hearing apparatus may include a signal output unit configured to output a first measurement signal, a signal identification unit configured to receive a second measurement signal, and a distance determination unit configured to determine the distance between the user's eardrum and the hearing apparatus. | 11-06-2014 |
20150123829 | APPARATUSES AND METHOD OF SWITCHED-CAPACITOR INTEGRATOR - Provided is a switched-capacitor integrator, a method of operating the switched-capacitor integrator, and apparatuses including the switched-capacitor integrator. The switched-capacitor integrator including an amplifier including a first input terminal, a second input terminal, and an output terminal, a first capacitor disposed between the first input terminal and the output terminal, and a switched capacitor circuit configured to sample an input signal in response to control signals, and to integrate a difference between a feedback signal and the input signal while sampling the input signal. | 05-07-2015 |
20150125017 | HEARING DEVICE USING MULTIPLE BATTERIES AND METHOD OF MANAGING POWER OF HEARING DEVICE - A hearing device using multiple batteries and a method of managing power of the hearing device are disclosed, and the method of managing power of a hearing device may include determining, at a processor, to charge an auxiliary battery based on comparing power information of a main battery to power information of the auxiliary battery, and selecting a battery to supply power to the hearing device based on the power information of the main battery. | 05-07-2015 |
20150177364 | RECEIVER, METHOD OF OPERATING THE RECEIVER, AND BEAMFORMING RADAR SYSTEM INCLUDING RECEIVER - A receiver, an operating method of the receiver, and a beamforming radar system including the receiver are provided. A beamforming receiver may include a demodulation circuit configured to receive a signal reflected from an object via an antenna, to demodulate the received signal, and to generate a demodulated signal, and a time delay circuit configured to generate a digital signal by processing the demodulated signal based on reference clock signals, wherein the digital signal including static delay information associated with a static motion of the object, and dynamic delay information associated with a dynamic motion of the object. | 06-25-2015 |
20150181598 | METHOD OF TRANSMITTING SIGNAL, AND APPARATUS FOR PERFORMING THE SAME - A signal transmission method and apparatus are provided. A signal transmission apparatus may include a time hopping apparatus configured to calculate a difference between values of time hopping patterns corresponding to adjacent symbol transmission periods, and to determine, based on the calculated difference, whether a position of a time hopping pattern corresponding to one of the adjacent symbol transmission periods is to be adjusted, and a transmitter configured to transmit a signal in the adjacent symbol transmission periods based on a determination result obtained by the time hopping apparatus. Additionally, a related signal reception apparatus is provided. | 06-25-2015 |
20150192438 | DEVICE INCLUDING OPTICAL SENSOR - A device including an optical sensor is provided. The device includes a window including a first region, a second region and a partial region located between the first region and the second region, an optical sensor located inside one region among the first region and the second region, and a light blocking part formed in the partial region of the window. | 07-09-2015 |