Patent application number | Description | Published |
20110022383 | METHOD FOR PROCESSING NOISY SPEECH SIGNAL, APPARATUS FOR SAME AND COMPUTER-READABLE RECORDING MEDIUM - A sound quality improvement method for a noisy speech signal according to an embodiment of the present invention comprises the steps of estimating a noise signal of an input noisy speech signal by performing a predetermined noise estimation procedure for the noisy speech signal; measuring a relative magnitude difference to represent a relative difference between the noisy speech signal and the estimated noise signal; calculating a modified overweighting gain function with a non-linear structure in which a relatively high gain is allocated to a low-frequency band than a high-frequency band by using the relative magnitude difference; and obtaining an enhanced speech signal by multiplying the noisy speech signal and a time-varying gain function obtained by using the overweighting gain function. Accordingly, the amount of calculation for noise estimation is small, and large-capacity memory is not required. Furthermore, the present invention can be easily implemented in hardware or software, and the accuracy of noise estimation can be increase because an adaptive procedure can be performed on each frequency sub-band. | 01-27-2011 |
20110029305 | METHOD FOR PROCESSING NOISY SPEECH SIGNAL, APPARATUS FOR SAME AND COMPUTER-READABLE RECORDING MEDIUM - A noise estimation method for a noisy speech signal according to an embodiment of the present invention includes the steps of approximating a transformation spectrum by transforming an input noisy speech signal to a frequency domain, calculating a smoothed magnitude spectrum having a decreased difference in a magnitude of the transformation spectrum between neighboring frames, calculating a search spectrum to represent an estimated noise component of the smoothed magnitude spectrum, and estimating a noise spectrum by using a recursive average method using an adaptive forgetting factor defined by using the search spectrum. According to an embodiment of the present invention, the amount of calculation for noise estimation is small, and large-capacity memory is not required. Accordingly, the present invention can be easily implemented in hardware or software. Further, the accuracy of noise estimation can be increase because an adaptive procedure can be performed on each frequency sub-band. | 02-03-2011 |
20110029310 | PROCEDURE FOR PROCESSING NOISY SPEECH SIGNALS, AND APPARATUS AND COMPUTER PROGRAM THEREFOR - Provided are a noise state determination method and an apparatus and a computer readable recording medium therefor. A noisy speech signal processing method according to the present invention includes calculating a transformed spectrum by transforming an input noisy speech signal to a frequency domain; calculating a smoothed magnitude spectrum by reducing magnitude differences of the transformed spectrum between neighboring frames; calculating a search spectrum which represents an estimated noise component of the smoothed magnitude spectrum; and calculating an identification ratio which represents a ratio of a noise component included in the input noisy speech signal, by using the smoothed magnitude spectrum and the search spectrum. Since a small amount of calculation is required and a large-capacity memory is not required, the present invention may be easily implemented as hardware or software. Also, since an adaptive operation is performed with respect to each frequency sub-band, the accuracy of determining a noise state may be improved. | 02-03-2011 |
Patent application number | Description | Published |
20100101061 | SHOELACE TIGHTENING DEVICE - A shoelace tightening device. A housing has a base plate affixed to the tongue of a shoe, and a side wall formed on the base plate. A rotation member has a rotator seated on the side wall of the housing and formed with a ratchet gear on its inner surface, and a bobbin formed on the lower surface of the rotator. A cover is placed on the ratchet gear. A stopper has a head which can slide on the cover, a bridge which extends downward from the head, and a pawl member which is formed on the lower end of the bridge. A coupling shaft is coupled to the base plate and has a stopper housing. The pawl member is received in the stopper housing. A spring is interposed between the inner surface of the stopper housing and an end of the pawl member. | 04-29-2010 |
20100275460 | FOOTWEAR OUTSOLE - A footwear outsole includes an arch member shiftably assembled on a central part of an upper surface of a outsole body in a longitudinal direction and a rear heel shiftably assembled on a rear part of a lower surface of the outsole body in a longitudinal direction. The footwear outsole has an advantage in that the footwear outsole can not only prevent the foot from becoming flat, but can also minimize shock on the sole of the foot, and reduce foot fatigue Therefore, the comfortable sensation can be maintained, and an effect of stretching are maximized so as to make the blood smoothly circulate and acupressure the acupunctural K1 region. | 11-04-2010 |
20130025100 | APPARATUS FOR FASTENING SHOELACE - An apparatus for fastening a shoelace comprises a housing which comprises a ratchet gear; a rotating cover; a reel part; and a restricting member. | 01-31-2013 |
Patent application number | Description | Published |
20100317042 | PROTEINS ACTIVATING PRO-PHENOLOXIDASE SYSTEM AND GENES ENCODING THE SAME - The present invention provides novel proteins activating pro-phenoloxidase (pro-PO) system of | 12-16-2010 |
20120015960 | CHEMICAL INHIBITOR OF P53-SNAIL BINDING AND PHARMACEUTICAL COMPOSITION FOR TREATING CANCER DISEASE CONTAINING SAME AS ITS ACTIVE INGREDIENT - Provided are compounds for inhibiting Snail-p53 binding and therapeutic agents for cancer including the compounds as an effective component. The Snail-p53 binding inhibitors induce expression of p53 in K-Ras mutant cell lines, thereby enabling effective treatment or prevention of K-Ras mutant cancer, such as, pancreatic cancer, lung cancer, cholangioma, and colon cancer, of which diagnosis or treatment is not easy. | 01-19-2012 |
20140039010 | PHARMACEUTICAL COMPOSITION FOR TREATING AGING-ASSOCIATED DISEASES, CONTAINING PROGERIN EXPRESSION INHIBITOR AS ACTIVE INGREDIENT, AND SCREENING METHOD OF SAID PROGERIN EXPRESSION INHIBITOR - Disclosed are a method for treating an aging-related disease and a method for screening a therapeutic agent for an aging-related disease. The method for treating an aging-related disease includes administering to a subject a progerin expression inhibitor as an active ingredient. The method for screening a therapeutic agent for an aging-related disease includes selecting a candidate drug inhibitory of progerin expression. | 02-06-2014 |
20140147866 | COMPOUND FOR INHIBITING SNAIL-P53 BINDING AND THERAPEUTIC AGENT FOR CANCER INCLUDING THE COMPOUND AS EFFECTIVE COMPONENT - Provided are compounds for inhibiting Snail-p53 binding and therapeutic agents for cancer including the compounds as an effective component. The Snail-p53 binding inhibitors induce expression of p53 in K-Ras mutant cell lines, thereby enabling effective treatment or prevention of K-Ras mutant cancer, such as, pancreatic cancer, lung cancer, cholangioma, and colon cancer, of which diagnosis or treatment is not easy. | 05-29-2014 |
Patent application number | Description | Published |
20110214562 | CYLINDER DRIVING APPARATUS USING AIR PRESSURE - It is an aim of the present invention to overcome urgent and pressing global troubles directly associated with the human right to live, such as the energy crisis, the economic crisis, and environmental pollution and the like which cannot be delayed or neglected any longer in order to meet the needs of the times. Further, it is an aim of the present invention to significantly reduce the dependency on a variety of fossil directly associated with global warming. Therefore, the present invention provides a cylinder driving apparatus using air pressure, with maximized energy, characterized in that the use of fossil fuel energy is reduced and the use of clean energy is proposed. The present invention relates to a cylinder diving apparatus in which a plurality of flexible tubes connected to a crankshaft are filled with high pressure air, alternately expand by expansion energy, and are elevated to operate and rotate the crankshaft. Further, the preset invention relates to an apparatus for minimizing friction and eliminating gravitational force which may interfere with the elevating movement, to thereby maximize the efficiency of the conversion of compressed air expansion energy into rotating movement. The present invention achieves a great and active supplement and improvement over Korean Patent Registration No. 0041791 and No. 0210368 granted to the applicant of the present invention, ad proposes an inventive structure of an assistant tube that provides a novel energy source. Conventional apparatus use a variety of fossil fuels as a power source, whereas the present invention eliminates the repeated rise of oil prices ad ends energy problems, enables people to enjoy a stable life and aids in economic development, and provides all mankind with a new environmentally-friendly energy resource to take the place of the innumerable conventional power sources. The cylinder driving apparatus using air pressure according to the present invention comprises: a plurality of flexible tubes arranged in a case to flexibly move via high-pressure air; a connecting rod fixed at each f the flexible tubes, and which penetrates through an upper portion of the case; a crank shaft sequentially coupled to the connecting rod to rotate via the elevating movement of the connecting rod; a high pressure tank for supplying high pressure air to the flexible tubes via an air line; and a valve arranged in each of the flexible tubes to divide the space in the flexible tube into an upper section and a lower section and to open/shut airflow in the upper and lower sections. The valve is shut to block the upper and lower sections from each other when the flexible tubes are filled with high pressure air, and opens when the flexible tubes are elevated to top center. The valve is connected to an assistant tube, the interior of which is equipped with a tensile spring force to keep the assistant tube compressed, to enable compressed air in the flexible tubes to flow to the assistant tube when the valve opens. | 09-08-2011 |
Patent application number | Description | Published |
20140176852 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a bottom cover including a horizontal surface, and a side surface; a first guide panel coupled with the bottom cover, surrounding peripheral portions of a backlight unit using a first vertical portion, and including a first horizontal portion protruding perpendicularly toward an inner side of the first vertical portion; and a second guide panel including a second vertical portion placed right on an outer side surface of the first vertical portion, and a second horizontal portion protruding perpendicularly toward an inner side of the second vertical portion and onto a top surface of which the liquid crystal panel is fixed, wherein a rib protrudes at a top surface of the first horizontal portion, and a rib groove, into which the rib is inserted, is formed at a bottom surface of the second horizontal portion. | 06-26-2014 |
20140176864 | BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit for a liquid crystal display device includes a cover bottom including a horizontal plane and sides perpendicular to the horizontal plane; guides disposed at inner surfaces of the sides of the cover bottom and each including first, second and third portions, wherein the second portion protrudes from the first portion, and the third portion protrudes from the second portion and has elasticity; a reflection sheet disposed on the first portions; a light guide plate disposed over the reflection sheet and on the second portions; an LED assembly disposed at a first side of the light guide plate; and optical sheets disposed over the light guide plate. | 06-26-2014 |
Patent application number | Description | Published |
20090047582 | Non-Aqueous Electrolyte and Electrochemical Device With an Improved Safety - Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1. Moreover, disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product. In addition, disclosed is an electrochemical device comprising: an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product. | 02-19-2009 |
20100167131 | Non-Aqueous Electrolyte and Electrochemical Device With an Improved Safety - Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 1-10 wt % of a compound of Formula (1) or its decomposition product, and 1-10 wt % of an aliphatic di-nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between a surface of a cathode active material and an aliphatic di-nitrile compound; and a non-aqueous electrolyte containing 1-10 wt % of a compound of Formula (1) or its decomposition product based on the weight of the electrolyte. | 07-01-2010 |
20100233549 | Non-Aqueous Electrolyte and Electrochemical Device With an Improved Safety - Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 1-10 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic mono-nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between a surface of a cathode active material and an aliphatic mono-nitrile compound; and a non-aqueous electrolyte containing 1-10 wt % of a compound of Formula 1 or its decomposition product based on the weight of the electrolyte. The electrochemical device has an excellent low-temperature battery performance and an excellent high-temperature safety, by a synergic effect, and also can provide excellent. | 09-16-2010 |
20150104717 | NON-AQUEOUS ELECTROLYTE AND ELECTROCHEMICAL DEVICE WITH AN IMPROVED SAFETY - Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyt, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. | 04-16-2015 |
20150288034 | NON-AQUEOUS ELECTROLYTE AND ELECTROCHEMICAL DEVICE WITH AN IMPROVED SAFETY - Disclosed is an electrochemical device comprising a cathode having a complex formed between a surface of a cathode active material and an aliphatic di-nitrile compound; and a non-aqueous electrolyte containing 1-10 wt % of a compound of Formula 1 or its decomposition product based on the weight of the electrolyte. | 10-08-2015 |
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20140023603 | NOVEL COMPOUND HAVING SKIN-WHITENING, ANTI-OXIDIZING AND PPAR ACTIVITIES AND MEDICAL USE THEREFOR - Provided are a novel compound having skin-whitening, anti-oxidizing and PPAR activities and a medical use thereof, and the compound has skin-whitening activities for the suppression of tyrosinase, and accordingly, is useful for use in skin-whitening pharmaceutical composition or cosmetic products; has anti-oxidant activities, and accordingly, is useful for the prevention and treatment of skin-aging; and has PPAR activities, and in particular, PPARα and PPARγ activities, and accordingly, is useful for use in pharmaceutical compositions or health foods which are effective for the prevention and treatment of obesity, metabolic disease, or cardiovascular disease. | 01-23-2014 |
20140037564 | NOVEL COMPOUND HAVING SKIN-WHITENING, ANTI-OXIDIZING AND PPAR ACTIVITIES AND MEDICAL USE THEREFOR - Provided are a novel compound having skin-whitening, anti-oxidizing and PPAR activities and a medical use thereof, and the compound has skin-whitening activities for the suppression of tyrosinase, and accordingly, is useful for use in skin-whitening pharmaceutical composition or cosmetic products; has anti-oxidant activities, and accordingly, is useful for the prevention and treatment of skin-aging; and has PPAR activities, and in particular, PPARα and PPARγ activities, and accordingly, is useful for use in pharmaceutical compositions or health foods which are effective for the prevention and treatment of obesity, metabolic disease, or cardiovascular disease. | 02-06-2014 |
20150017111 | NOVEL COMPOUND HAVING SKIN-WHITENING, ANTI-OXIDIZING AND PPAR ACTIVITIES AND MEDICAL USE THEREOF - Provided are a novel compound having skin-whitening, anti-oxidizing and PPAR activities and a medical use thereof, and the compound has skin-whitening activities for the suppression of tyrosinase, and accordingly, is useful for use in skin-whitening pharmaceutical composition or cosmetic products; has anti-oxidant activities, and accordingly, is useful for the prevention and treatment of skin-aging; and has PPAR activities, and in particular, PPARα and PPARγ activities, and accordingly, is useful for use in pharmaceutical compositions or health foods which are effective for the prevention and treatment of obesity, metabolic disease, or cardiovascular disease. | 01-15-2015 |