Chang Heon
Chang Heon Kang, Icheon-Si KR
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20100103130 | Liquid Crystal Display with Touch Screen Function and Method for Detecting External Illuminance Using the Same - An Liquid Crystal Display (LCD) with a touch screen function includes an array substrate having a display region and a photosensitive region divided by data lines, scan lines, and common lines, wherein the photosensitive region includes a switching element having a first terminal connected to an (n−1) | 04-29-2010 |
Chang Heon Kang, Ansan KR
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20120172728 | DEVICE FOR MEASUREMENT FOR BIONIC INFORMATION - There is disclosed an apparatus for measuring biometric information that can perform precise and comprehensive measurement by measuring biometric information about an examinee taking a more comfortable position. The apparatus for measuring biometric information includes a hand rest comprising a hand rest part formed in a concave curvature shape to have an examinee's hand put thereon, to contact with an examinee's palm and fingers; and a measurement part provided in the hand rest part to measure the examinee's biometric information. | 07-05-2012 |
20120172729 | DEVICE FOR MEASUREMENT FOR BIONIC INFORMATION HAVING HAND REST - There is disclosed an apparatus for measuring biometric information having a hand rest, which can perform precise and comprehensive measurement by measuring biometric information about an examinee taking a more comfortable position. The apparatus for measuring the biometric information having the hand rest includes a hand rest formed in a concave curvature shape to have an examinee's hand put thereon, to contact with an examinee's palm and fingers; and a measurement part provided in the hand rest to measure the examinee's biometric information. | 07-05-2012 |
Chang Heon Kim, Gwangju KR
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20150270425 | METHOD FOR MANUFACTURING SOLAR CELLS HAVING NANO-MICRO COMPOSITE STRUCTURE ON SILICON SUBSTRATE AND SOLAR CELLS MANUFACTURED THEREBY - One embodiment of the present invention relates to a method for manufacturing solar cells having a nano-micro composite structure on a silicon substrate and solar cells manufactured thereby. The technical problem to be solved is to provide a method for manufacturing solar cells and solar cells manufactured thereby, the method being capable of forming micro wires in various sizes according to the lithographic design of a photoresist and forming nano wires, which have various sizes and aspect ratios, by adjusting the concentration of a wet etching solution and immersion time. To this end, the present invention provides a method for manufacturing solar cells and solar cells manufactured thereby, the method comprising the steps of: preparing a first conductive semiconductor substrate having a first surface and a second surface; patterning a photoresist on the second surface of the first conductive semiconductor substrate such that the plane form of the photoresist becomes a form in which multiple horizontal lines and multiple vertical lines intersect each other; electrolessly etching the semiconductor substrate so as to form a micro wire having a width of 1-3 μm and a height of 3-5 μm in a region corresponding to the photoresist and to form multiple nano wires having a width of 1-100 nm and a height of 1-3 μm in a region not corresponding to the photoresist; doping the micro wire and nano wires with a second conductive impurity by using POCl | 09-24-2015 |
Chang Heon Lee, Seoul KR
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20100070284 | METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL - An apparatus for processing an encoded signal and method thereof are disclosed, by which an audio signal can be compressed and reconstructed in higher efficiency. | 03-18-2010 |
20100312551 | METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL - Disclosed is a method of processing a signal, which includes receiving at least one of a first signal and a second signal, receiving mode information, and coding the at least one of the first signal and the second signal using at least one of a first coding scheme and a second coding scheme according to the mode information, wherein the mode information is information for indicating that a prescribed mode corresponds to which one of at least three modes. | 12-09-2010 |
20110075855 | METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNALS - A method for processing an audio signal is disclosed. The method for processing an audio signal includes frequency-transforming an audio signal to generate a frequency-spectrum, deciding a weighting per band corresponding to energy per band using the frequency spectrum, receiving a masking threshold based on a psychoacoustic model, applying the weighting to the masking threshold to generate a modified masking threshold, and quantizing the audio signal using the modified masking threshold. | 03-31-2011 |
20110153335 | METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNALS - An audio signal processing method is disclosed. The audio signal processing method includes receiving a residual and long term prediction information, performing inverse frequency mapping with respect to the residual to generate a synthesized residual, and performing long term synthesis based on the synthesized residual and the long term prediction information to generate a synthesized audio signal of a current frame, wherein the long term prediction information comprises a final prediction gain and a final pitch lag, the final pitch lag has a range starting with 0, and the long term synthesis is performed based on a synthesized audio signal of a frame comprising a preceding frame. | 06-23-2011 |
20120185257 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part. | 07-19-2012 |
20120239408 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, coding identification information indicating whether to apply a first coding scheme or a second coding scheme to a current frame; when the coding identification information indicates that the second coding scheme is applied to the current frame, receiving window type information indicating a particular window for the current frame, from among a plurality of windows; identifying that a current window is a long stop window based on the window type information, wherein the long stop window is followed by only long window of a following frame, wherein the long stop window includes a gentle long stop window and a steep long stop window; and, when the first coding scheme is applied to a previous frame, applying the gentle long stop window to the current frame, wherein: the gentle long stop window comprise an ascending line with first slope, the steep long stop window comprise an ascending line with second slope, and, the first slope is gentler than the second slope. | 09-20-2012 |
20130103407 | METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL - The present invention relates to a method for processing an audio signal, comprising the following steps: performing a linear predictive analysis on the current frame of an audio signal so as to generate a first target vector, which is a target vector of a first stage, on the basis of a plurality of linear prediction transform coefficients; performing vector quantization on the first target vector so as to acquire a predetermined number of first temporary candidate code vectors of the first stage; calculating first temporary candidate errors, which are errors between the first temporary candidate code vectors and the first target vector; and determining a first number, which is the number of the first candidate code vectors, on the basis of the first temporary candidate errors, and acquiring first final candidate code vectors in the same amount as the first number. | 04-25-2013 |
20130325486 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part. | 12-05-2013 |
20130325487 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part. | 12-05-2013 |
20130332149 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part. | 12-12-2013 |
20140019143 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part. | 01-16-2014 |
20140025387 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part. | 01-23-2014 |
20140025388 | METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL - An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving, by an audio processing apparatus, an audio signal including a first data of a first block encoded with rectangular coding scheme and a second data of a second block encoded with non-rectangular coding scheme; receiving a compensation signal corresponding to the second block; estimating a prediction of an aliasing part using the first data; and, obtaining a reconstructed signal for the second block based on the second data, the compensation signal and the prediction of aliasing part. | 01-23-2014 |
Chang Heon Lee, Sinchon-Dong KR
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20130013321 | APPARATUS FOR PROCESSING AN AUDIO SIGNAL AND METHOD THEREOF - A method of processing an audio signal is disclosed. The present invention includes a method for processing an audio signal, comprising: receiving, by an audio processing apparatus, the spectral data including a current block, and substitution type information indicating whether to apply a shape prediction scheme to a current block; when the substitution type information indicates that the shape prediction scheme is applied to the current block, receiving lag information indicating an interval between spectral coefficients of the current block and the predictive shape vector of a current frame or a previous frame; obtaining spectral coefficients by substituting for spectral hole included in the current block using the predictive shape vector. | 01-10-2013 |
Chang Heon Lee, Uiwang-Si KR
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20130085252 | POLYCARBONATE AND METHOD OF PREPARING THE SAME - Polycarbonate includes repeat units represented by Formula 1, Formula 2 and Formula 3, respectively: | 04-04-2013 |
20140349119 | Polycarbonate Resin Composition - A polycarbonate resin composition according to the present invention comprises: (A) a polycarbonate; (B) a polycarbonate containing a non-phenyl group; (c) a rubber-modified aromatic vinyl graft copolymer; and (D) an aromatic phosphoric acid ester. The polycarbonate resin composition has superior physical balance by being flame retardant, shock resistant, low temperature shock resistant, and chemical resistant. | 11-27-2014 |
20150094444 | Polycarbonate, Production Method for Same and Optical Film Comprising Same - A polycarbonate of the present invention includes repeating units represented by, Formula 1, Formula 2 and Formula 3, respectively, and thus, may have excellent scratch resistance, chemical resistance and impact property. | 04-02-2015 |
Chang Heon Park, Seoul KR
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20150235950 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor device includes a spacer having a nitride/oxide/nitride (NON) structure. The spacer is disposed between a sidewall of a bit line and a bit line contact and a sidewall of a storage node contact plug to reduce coupling capacitance between the bit line and a storage node contact plug and between the bit line contact and the storage node contact plug. | 08-20-2015 |
Chang Heon Song, Anyang-Si, Gyeonggi-Do KR
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20150308198 | DRILL BIT INCLUDING BUTTON ARRAY HAVING DIFFERENT RADII EXTENDING FROM CENTER OF HEAD SECTION - A drill bit including a button array having different radii extending from the center of a head section, and more particularly, to a drill bit in which buttons are arranged so as to have different radii from the center of a drill bit head section, thereby striking bedrock points having different radii and improving the efficiency of a drilling operation. | 10-29-2015 |
Chang-Heon Kim, Suwon-Si KR
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20100329089 | OPTICAL DISC DRIVE AND METHOD OF OPERATING THE SAME - An optical disc drive, and a method of driving the optical disc drive are provided. Where the optical disc drive has a connectivity or a compatibility with a host that is incompatible with the optical disc drive, a file system and device information accepted by the host are provided. The host may have a compatibility with limited external medium devices and a specific command set for data exchange. The optical disc drive and the method of driving the optical disc drive may transmit compatible information to the host and select the specific command set accepted by the host, so that the optical disc drive is compatible with the host. | 12-30-2010 |
Chang-Heon Kim, Daejeon-City KR
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20090317877 | MASS PRODUCTION OF SECONDARY METABOLITE IN PLANT CELL CULTURE BY TREATMENT OF SACCHARIDE MIXTURE IN MEDIUM - The present invention relates to a method of producing secondary metabolites with a high yield using plant cell culture, and a medium for the production of secondary metabolites. More specifically, the method of the present invention is characterized in that the plant cell culture is conducted by adding a saccharide mixture to the culture medium as a carbon source, to increase the productivity of the secondary metabolites. For example, the present invention establishes the method of increasing the productivity of secondary metabolites and shortening the culture time by the use of the mixture of glucose and fructose in the plant cell culture, thereby contributing in producing useful secondary metabolites on an industrial scale using plant cell culture. | 12-24-2009 |
20100159545 | METHOD FOR PRODUCTION OF COROSOLIC ACID IN SUSPENSION CULTURE OF PLANT CELLS - The present invention relates to a method of producing corosolic acid by using plant cells that produce corosolic acid. More particularly, the present invention relates to a method of producing corosolic acid by using plant cell suspension cultures comprising the steps of: inducing a callus from a tissue of a plant producing corosolic acid; preparing a cell line capable of being cultured in liquid culture medium from the induced callus; culturing the cell line in a suspension culture; and isolating corosolic acid from the culture solution. The present invention has advantage of maximizing productivity by utilizing two-stage culture, treatment with inducing agent, and high cell-density culture in the suspension culture of plant cells producing corosolic acid. | 06-24-2010 |
Chang-Heon Lee, Yongin-Si KR
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20160027436 | SPEECH RECOGNITION DEVICE, VEHICLE HAVING THE SAME, AND SPEECH RECOGNITION METHOD - A speech recognition device is configured to increase usability by retrying speech recognition without returning to a previous operation or a re-input of speech when a user's speech is misrecognized. The speech recognition device is further configured increase accuracy of recognition by changing a search environment when the user's speech is misrecognized or when re-recognition is performed since the recognized speech is rejected due to a low confidence. A vehicle includes a speech input device configured to receive speech; and a speech recognition device configured to recognize the received speech and output a recognition result of the received speech. The speech recognition device resets a recognition environment applied to speech recognition and re-recognizes the received speech when a re-recognition instruction is input by a user, and resets the reset recognition environment to an initial value when the re-recognition is completed. | 01-28-2016 |
Chang-Heon Lee, Yongin KR
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20160078856 | APPARATUS AND METHOD FOR ELIMINATING NOISE, SOUND RECOGNITION APPARATUS USING THE APPARATUS AND VEHICLE EQUIPPED WITH THE SOUND RECOGNITION APPARATUS - An apparatus for eliminating noise includes: a gain acquisition unit that determines a gain and a correction value of the gain using a signal to noise ratio (SNR) of an input signal; and a gain application unit that acquires an output signal corresponding to the input signal using the determined gain and the determined correction value, wherein the output signal includes an input signal of which noise is eliminated and an input signal of which noise is not eliminated, and a proportion of the input signal of which noise is eliminated and a proportion of the input signal of which noise is not eliminated are determined according to the determined correction value. | 03-17-2016 |
Chang-Heon Pakr, Gyeonggi-Do KR
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20130049209 | SEMICONDUCTOR DEVICE WITH DAMASCENE BIT LINE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor device includes first conductive patterns adjacent to each other and isolated by a trench including first and second trenches, a second conductive pattern formed in the first trench, and an insulating pattern partially filling the second trench under the second conductive pattern and formed between the first conductive patterns and the second conductive pattern. | 02-28-2013 |
Chang-Heon Park, Gyeonggi-Do KR
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20140353744 | SEMICONDUCTOR DEVICE - A semiconductor device includes a substrate including a first active region and second active regions, a bit line structure in contact the first active region, and storage node contacts in contact the second active regions. A top surface of the first active region is lower than the top surfaces of the second active regions. | 12-04-2014 |