Yong Gyu
Yong Gyu Lee, Daejeon KR
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20130259755 | EXHAUST GAS PURIFICATION SYSTEM - The present invention relates to a technology of reducing nitrogen oxide (NOx) which is harmful discharge gas discharged from an internal combustion engine or a combustor, and to an exhaust gas purification system which inputs solid ammonium salt such as ammonium carbamate or ammonium carbonate into a reactor, thermally decomposes and converts the solid ammonium salt into the ammonia by using engine cooling water, exhaust gas, or an electric heater, which are installed in the reactor, and reduces the nitrogen oxide included in the exhaust pipe on a selective catalytic reduction into nitrogen by injecting the ammonia by using a pressure regulator and a dosing valve. | 10-03-2013 |
Yong Gyu Lim, Chungbuk KR
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20090166744 | Semiconductor device with deep trench structure - Disclosed herein is a semiconductor device with a deep trench structure for effectively isolating heavily doped wells of neighboring elements from each other at a high operating voltage. The semiconductor device with a deep trench structure includes a semiconductor substrate in which a first conductivity type well and a second conductivity type well having conductivity opposite to that of the first conductivity type well are formed, a gate oxide film and a gate electrode laminated on each of the first conductivity type well and the second conductivity type well, second conductivity type drift regions formed on both sides of the gate electrode formed on the first conductivity type well, first conductivity type drift regions formed on both sides of the gate electrode formed on the second conductivity type well, and a first isolation layer having a trench structure deeper than the first and second conductivity type wells and isolating the first conductivity type well and the second conductivity type well from each other. | 07-02-2009 |
Yong Gyu Lim, Seoul KR
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20150042312 | ELECTRODE FOR MEASURING BIOSIGNAL AND BIOSIGNAL MEASUREMENT DEVICE - Disclosed are a biosignal measurement device and a capacitively-coupled active electrode. The capacitively-coupled active electrode includes an electrode face configured to form capacitive coupling with a subject in a non-contact manner to detect a biosignal, and a pre-amplifier disposed on a rear side of the electrode face and embedded in a porous insulator. | 02-12-2015 |
20150042313 | CIRCUIT, DEVICE, AND METHOD TO MEASURE BIOSIGNAL USING COMMON MODE DRIVEN SHIELD - An apparatus and method of removing common mode noise in the case of measuring a biosignal using a capacitive coupling active electrode (CCE) is provided. A frequency band of a common mode signal may interact with a shield voltage and thus, a frequency band of a biosignal may be compensated for. | 02-12-2015 |
Yong Gyu Yoon, Seoul KR
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20110133882 | Apparatus for detecting coordinates of an event within interest region, display device, security device and electronic blackboard including the same - There is provided an apparatus for detecting the coordinates of an event within an interest region including: a light source limiting an interest region; at least two light receiving units receiving reflected light of an event within the interest region; a reflector refracting the reflected light received in the light receiving units; and one image sensor on which the reflected light refracted on the reflector is image-formed, wherein the apparatus for detecting coordinates is configured of one module. | 06-09-2011 |
20120320467 | IMAGE PHOTOGRAPHING DEVICE - Disclosed herein is an image photographing device capable of being auto-focused while moving a lens barrel in an optical axis direction. The image photographing device includes: a lens barrel having at least one lens; a housing receiving the lens barrel therein so that the lens barrel moves in an optical axis direction; and an impact reducing unit elastically supporting the lens barrel in the case in which the lens barrel deviates from a set movement range, thereby primarily damping the lens barrel before the lens barrel deviates from the movement range to collide with other components positioned at an outer side of the lens barrel. | 12-20-2012 |
Yong-Gyu Cho, Hwasung-Si, Gyeongi-Do KR
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20150314646 | PUNCTURE RESISTANT TUBE FOR BICYCLE TIRE, AND FOAM MOLD FOR MANUFACTURE OF SAID PUNCTURE RESISTANT TUBE FOR BICYCLE TIRE - A puncture resistant tube tor a bicycle tire fitted to a rim of a bicycle wheel includes a tube body inserted into the bicycle tire along a tube insertion recess formed within the bicycle tire and an elastic recess depressed into the tube body adjacent to the portion of the bicycle tire to be fitted to the rim. When the portion of the bicycle tire to be fitted to the rim is shrunk by external force, elastic force is accumulated in the portion of the tube body surrounding the elastic recess while the elastic recess is being shrunk. When the bicycle tire is completely fitted to the rim, the elastic recess is restored to the original shape thereof by the accumulated elastic force, whereby the portion of the tire fitted to the rim is restored to the original shape thereof. | 11-05-2015 |
Yong-Gyu Choi, Seongnam-Si KR
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20150061154 | SEMICONDUCTOR DEVICES INCLUDING INSULATING EXTENSION PATTERNS BETWEEN ADJACENT LANDING PADS AND METHODS OF FABRICATING THE SAME - A semiconductor memory device includes a plurality of pattern structures respectively including a bit line and insulating spacers on sidewalls thereof protruding from a substrate. A plurality of insulating extension patterns are provided on opposing sidewalls of the pattern structures, and respectively extend from upper portions of the opposing sidewalls toward the substrate along the insulating spacers such that lower portions of the opposing sidewalls are free of the extension patterns. A plurality of buried contact patterns are provided on the substrate between the lower portions of the opposing sidewalls of adjacent pattern structures. Related fabrication methods are also discussed. | 03-05-2015 |
Yong-Gyu Lim, Suwon-Si KR
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20130025624 | METHOD OF CLEANING A SEMICONDUCTOR DEVICE MANUFACTURING APPARATUS - According to example embodiments, there is provided a method of cleaning a semiconductor device manufacturing apparatus. In the method, a fluorine-containing gas is provided into a chamber to clean a byproduct formed on a surface of a chamber during formation of a layer structure therein. A material is provided into the chamber to chemisorb the material on the surface of the chamber. The material is substantially similar to or the same as a source gas for forming the layer structure. A plasma is generated in the chamber, and the chamber is purged. | 01-31-2013 |
Yong-Gyu Song, Kyeonggi-Do KR
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20100314150 | RF EQUIPMENT PROTECTION DEVICE AND MOUNTING METHOD FOR SAME - Disclosed are an RF equipment protection device and a mounting method for same. The RF equipment protection device of the present invention includes a main body with an open front end and an open rear end to accommodate RF equipment having an input/output connector, a first cover which is arranged to cover the front end of the main body, and having a connector hole for the passage of the front end side connector of the RF equipment, and a second cover which is arranged to cover the rear end of the main body, and has a connector hole for the passage of the rear end side connector of the RF equipment. The RF equipment protection device of the present invention is provided with a housing for accommodating the RF equipment, advantageously protecting the RF equipment in a stable manner and reducing manufacturing costs. | 12-16-2010 |