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Ho-Chul

Ho Chul Lee, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100059182SUBSTRATE PROCESSING APPARATUS - A substrate processing apparatus includes a chamber having a reaction space therein, a substrate seating member disposed in the reaction space of the chamber to seat a substrate thereon, an induction heating unit to heat the substrate seating member, and at least one altitude adjusting unit to selectively adjust the altitude of the induction heating unit at the outside of the chamber according to a temperature adjusting region of the substrate seating member. Therefore, it is possible to constantly control a temperature of the substrate seating member by adjusting the distance length between the substrate seating member and the induction heating unit at the outside of the chamber.03-11-2010

Ho Chul Lee, Incheon KR

Patent application numberDescriptionPublished
20090295050Electromagnetic Active Engine Mount Apparatus - An electromagnetic active engine mount apparatus includes a sub-channel through which working fluid flows is formed in the central portion of an electromagnetic drive so as to be able to cool heat generated from the coil of a solenoid section of the electromagnetic drive by repetitive operation of a vibrating member. Thus, the electromagnetic active engine mount apparatus can inhibit the heat generated from the coil to thus prevent thermal damage to various components formed of rubber, and provide improvement of its durability, reduction of its size, and simplification of its structure.12-03-2009

Ho Chul Shin, Daejeon KR

Patent application numberDescriptionPublished
20100070187HUMAN RECOGNITION APPARATUS AND HUMAN RECOGNITION METHOD - Provided are a human recognition apparatus and a human recognition method identifying a user based on a walking pattern. The human recognition apparatus includes a detecting unit detecting a vibration according to a user's walking, and outputting an electric signal, a pattern calculating unit acquiring a walker's walking pattern from the electric signal, and a user determining unit comparing the walking pattern with a previously measured reference data by user and identifying the user based on the comparison result. The human recognition apparatus and the human recognition method are robust against peripheral noise and can increase an acceptance rate through a simple structure and procedure by using the waling pattern, which is one-dimensional time information requiring no vast data throughput, as the user identification data.03-18-2010
20100160835APPARATUS AND METHOD FOR DETECTING UPPER BODY POSTURE AND HAND POSTURE - Provided are an apparatus and method which detect a user's upper body posture and the user's hand postures through at least two cameras to configure a user interface such as computers and home appliances. An apparatus for detecting upper body posture and hand posture includes a stereo vision calculation unit, a color pattern categorization unit, a plurality of position detection units, an upper body posture recognition unit, and a hand posture recognition unit. The stereo vision calculation unit calculates three-dimensional distance information from each image provided from at least two cameras. The color pattern categorization unit categorizes each color and pattern from the image to output color information and pattern information. The position detection units extract three-dimensional position information for each subject based on the three-dimensional distance information, the color information and the pattern information. The upper body posture recognition unit recognizes an upper body posture based on the three-dimensional position information. The hand posture recognition unit recognizes hand postures with hand position information of the three-dimensional position information.06-24-2010

Ho Chul Shin, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090123321High-silicon ferritic compacted graphite cast iron having high-temperature strength and high oxidation-resistance - The present invention relates to a high-silicon ferritic CG cast iron having high-temperature strength and high oxidation-resistance. More particularly, the present invention relates to a high-silicon ferritic CG cast iron having high-temperature strength and high oxidation-resistance, which has a heat and crack resistant property under a high-temperature use condition and can be used very suitably for a turbine housing, i.e., a part of a vehicle engine that is subjected to a repeated heating and cooling process. To this end, the present invention provides a high-silicon ferritic CG cast iron having high-temperature strength and high oxidation-resistance, which comprises ion (F) as a main ingredient, 3.00 to 3.60% by weight of carbon (C), 4.00 to 4.80% by weight of silicon (Si), 0.10 to 0.30% by weight of manganese (Mn), 0.07% by weight or less of phosphor (P), 0.02% by weight or less of sulfur (S), 0.30 to 1.20% by weight of molybdenum (Mo), 0.01 to 0.10% by weight of chromium (Cr), 0.2% by weight or less of titanium (Ti), 0.3 to 1.20% by weight of nickel (Ni), 0.30 to 1.20% by weight of vanadium (V) and 0.050% by weight or less of magnesium (Mg).05-14-2009

Ho Chul Snin, Daejeon KR

Patent application numberDescriptionPublished
20110149044IMAGE CORRECTION APPARATUS AND IMAGE CORRECTION METHOD USING THE SAME - Provided is an image correction apparatus. The image correction apparatus includes an image input unit, a region extraction unit and an image correction unit. The image input unit generates a plurality of images, and performs a preprocessing operation on the plurality of generated images. The region extraction unit receives the preprocessed images, detects distance information from the image input unit to an object, presence information of the object and motion information of the object which are included in the images, and synthesizes the detected information to extract an ROI. The image correction unit corrects an image which corresponds to the extracted ROI. The image correction apparatus only corrects an image for a user's ROI, increasing efficiency of image correction.06-23-2011

Ho Chul Yoon, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100003721HUMAN INTERFERON-BETA MUTEIN - The present invention relates to a human interferon-beta mutein. In particular, the present invention relates to the human interferon-beta mutein having one or two additional sugar chains compared to natural human interferon-beta.01-07-2010

Ho-Chul Kang, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100139562SUBSTRATE TREATMENT APPARATUS - A substrate treatment apparatus includes a chamber providing a reaction region and including first and second sides facing each other, a module connected to the first side, an upper electrode in the reaction region, a substrate holder facing the upper electrode, wherein a substrate is disposed on the substrate holder, and first and second points are defined on the substrate, wherein the first point corresponds to a center of the substrate, and the second point is distant from the first point toward the first side, and a feeding line for applying an RF power, the feeding line connected to the upper electrode corresponding to the second point.06-10-2010

Ho-Chul Kim, Seoul KR

Patent application numberDescriptionPublished
20080268353STENCIL MASK HAVING MAIN AND AUXILIARY STRUT AND METHOD OF FORMING THE SAME - A stencil mask includes a membrane forming thin layer having membrane areas and a border area that limits the membrane areas. The membrane areas have a plurality of pattern areas which include an aperture through which particle beams can permeate and non-pattern areas interposed between the pattern areas. A main strut supports the membrane areas and is formed on the border area of the membrane forming thin layer. An auxiliary strut is formed in the non-pattern areas inside the membrane pattern area such that the auxiliary strut divides the membrane areas into plural divided membrane areas. The auxiliary strut supports the divided membrane areas.10-30-2008
20100081068SYSTEMS AND METHODS FOR DETECTING FOCUS VARIATION IN PHOTOLITHOGRAPH PROCESS USING TEST FEATURES PRINTED FROM PHOTOMASK TEST PATTERN IMAGES - Systems and methods are provided for detecting focus variation in a lithographic process using photomasks having test patterns adapted to print test features with critical dimensions that can be measured and analyzed to determine magnitude and direction of defocus from a best focus position of an exposure tool during the lithographic process.04-01-2010

Patent applications by Ho-Chul Kim, Seoul KR

Ho-Chul Kim, Daejeon KR

Patent application numberDescriptionPublished
20100313628SYSTEM FOR TESTING PERFORMANCE OF ARRAY ULTRASOUND TRANSDUCER - A performance inspection system for an array ultrasound transducer includes: a driver for selectively applying an electric signal to all or some parts of constituent channels of the array ultrasound transducer; an acoustic power measurement unit for measuring an ultrasound acoustic power emitted from individual channels receiving the same voltage from the driver; a radiation conductance conversion unit for measuring a voltage signal applied to each channel although the driver applies different voltages to the individual channels, and converting the measured voltage into an ultrasound acoustic power acquired when the same voltage is applied to the channels; and a channel uniformity estimation unit for estimating uniformity of the acoustic power value acquired by the radiation conductance conversion unit or uniformity of acoustic power values of the individual channels measured under the same voltage.12-16-2010

Ho-Chul Lee, Suwon-Si KR

Patent application numberDescriptionPublished
20100142932DIRECT CURRENT MOTOR CONTROLLING APPARATUS AND METHOD THEREOF - A direct current motor controlling apparatus may include a direct current motor driving unit to apply a driving voltage to a direct current motor and detect a predetermined signal from the direct current motor, and a servo-micom to control the status of the direct current motor using the signal detected by the direct current motor driving unit. Accordingly, the rotational status of the direct current motor is checked to control the direct current motor.06-10-2010

Ho-Chul Lee, Seoul KR

Patent application numberDescriptionPublished
20100287447MEMORY SYSTEM IDENTIFYING AND CORRECTING ERASURE USING REPEATED APPLICATION OF READ OPERATION - Provided is a read method for a memory system. The read method determines whether a read data error is correctable. The read method applies a plurality of read operations at a set read voltage level to identify erasure candidates, when the error is uncorrectable. The read method performs erasure decoding using an error correction code or an error detection code for the erasure candidates.11-11-2010