Lee, Ulsan
Beum Jae Lee, Ulsan KR
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20140248175 | LEADLESS FREE-CUTTING COPPER ALLOY AND METHOD FOR PRODUCING THE SAME - Disclosed is a leadless free-cutting copper alloy that exhibits superior machinability, cold workability and dezincification resistance and a method for producing the same. The leadless free-cutting copper alloy comprises 56 to 77% by weight of copper (Cu), 0.1 to 3.0% by weight of manganese (Mn), 1.5 to 3.5% by weight of silicon (Si), and the balance of zinc (Zn) and other inevitable impurities, thus exhibiting superior eco-friendliness, machinability, cold workability and dezincification resistance. | 09-04-2014 |
Bong-Kee Lee, Ulsan KR
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20110254195 | METHOD FOR MANUFACTURING MICRO STRUCTURE USING X-RAY EXPOSURE - Provided is a method for fabricating a microstructure. The method includes disposing an X-ray mask on photosensitive material and exposing the photosensitive material by radiating X-rays to the photosensitive material using a side exposure scheme, etching the exposed photosensitive material, forming a mold having a micro-pattern by filing the etched photosensitive material with metal, forming a mold module by combining a plurality of molds, and forming a microstructure using the mold module. | 10-20-2011 |
Bum-Sung Lee, Ulsan KR
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20140197384 | CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DIODE COMPRISING THE SAME - A condensed cyclic compound represented by Formula 1 below and an organic light-emitting device (OLED) including the condensed cyclic compound are presented. | 07-17-2014 |
Byeong Jun Lee, Ulsan KR
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20090151384 | Condensate Water Guide Unit of Air Conditioner for Vehicles - A condensate water guide unit of an air conditioner for vehicles which collects and drains condensate water, generated on the evaporator, outside the air conditioner is disclosed. The condensate water guide unit includes a plurality of guide pieces for draining condensate water outside the air conditioner, and a support bar, which connects the guide pieces to each other. The guide pieces are in close contact with the lower end of an evaporator. Each guide piece has a guide slot for drawing condensate water formed on the surface of the evaporator, and a water moving passage for draining the drawn condensate water outside the air conditioner. | 06-18-2009 |
20100074766 | Compressor of Vehicle's Cooling System - A compressor of the vehicle's cooling system is configured such that an external refrigerant is introduced into a shaft in a radial direction through a body, flows in the shaft in an axial direction, and then is discharged to a refrigerant compression space in the body, thereby shortening the flow path of the refrigerant and minimizing flow path resistance. Moreover, since no suction valves and suction chambers are required, the structure is simplified and the cost is reduced. | 03-25-2010 |
Byeong Yeol Lee, Ulsan KR
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20120150486 | APPARATUS FOR MEASURING THE SHAPE AND AREA OF A SHIP BLOCK - Provided is an apparatus for measuring a shape and area of a ship block, which may accurately recognize a piling location of a ship block by measuring a shape and area of the ship block piled up in a yard. The apparatus for measuring a shape and area of a ship block includes a direction angle sensor, a range finder, a radio frequency identification (RFID) reader and a block shape and area measuring system. The block shape and area measuring system includes a block shape and area measuring server, a vector calculating module, a coordinate calculating module, a shape and area extraction module and a memory module. | 06-14-2012 |
20120176222 | APPARATUS FOR MANAGING THE OPERATION OF A SHIP BLOCK - Provided is an apparatus for managing the operation of a ship block, including a ship block size and location measuring system, a transporter monitoring system, a block transportation monitoring system and a transportation lot number management system. The ship block size and location measuring system includes a direction angle sensor, a range finder, a radio frequency identification (RFID) reader and a control system, and the control system includes a block size and location measuring server, a vector calculating module, a coordinate calculating module, a size and location extracting module, and a memory module. | 07-12-2012 |
Chang Min Lee, Ulsan KR
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20100301798 | METHOD FOR CONTROLLING SOLAR CHARGE DEVICE AND PORTABLE TERMINAL USING THE SAME - A method for controlling a solar charge device and a portable terminal using the same by registering a driver software for controlling the solar charge device in an operating system. Upon booting of the portable terminal, and enabling the charge detection terminal every set given time period stored in the driver software after the booting completion, a charge detection signal corresponding to presence of power output of a solar cell being input to the charge detection terminal. The method and the portable terminal prevent the occurrence of lock-up in the portable terminal due to frequent interrupts occurring in the charge detection terminal from a non-uniform output of a solar cell that may occur as movement of the portable terminal can vary the amount of sunlight received by the solar cell. | 12-02-2010 |
Chang Rae Lee, Ulsan KR
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20150072240 | POROUS SILICON-BASED PARTICLES, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE POROUS SILICON-BASED PARTICLES - Provided are a porous silicon-based particle including a silicon (Si) or SiO | 03-12-2015 |
Chan-Hui Lee, Ulsan KR
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20100202633 | SOUND SYSTEM, SOUND REPRODUCING APPARATUS, SOUND REPRODUCING METHOD, MONITOR WITH SPEAKERS, MOBILE PHONE WITH SPEAKERS - The present invention relates to an apparatus for reproducing sound, a method for reproducing sound, a monitor with speakers, and a mobile phone with speakers. An apparatus according to the present invention is an apparatus for reproducing sound from original source signals, and comprises a control means, a first speaker, and a second speaker. The control means receives first and second original source signals, and controls magnitudes and phases of the received first and second original source signals so that a sound pressure level in a pre-determined zone is higher than a sound pressure level in zone other than the pre-determined zone, and outputs first and second controlled source signals. The first speaker receives the first controlled source signal and reproduces sound. The second speaker receives the second controlled source signal and reproduces sound. The apparatus according to the present invention can provide the sound environment in which only the person using the sound system enjoys the sound. | 08-12-2010 |
20100284544 | SOUND SYSTEM, SOUND REPRODUCING APPARATUS, SOUND REPRODUCING METHOD, MONITOR WITH SPEAKERS, MOBILE PHONE WITH SPEAKERS - An apparatus for reproducing sound from original source signals, has a control device, a first speaker, and a second speaker. The control device receives first and second original source signals, and controls magnitudes and phases of the received first and second original source signals so that a sound pressure level in a pre-determined zone is higher than a sound pressure level in a zone other than the pre-determined zone, and outputs first and second controlled source signals. The first speaker receives the first controlled source signal and reproduces sound. The second speaker receives the second controlled source signal and reproduces sound. The apparatus according provides a sound environment in which only the person using the sound system enjoys the sound. | 11-11-2010 |
Chul-Ho Lee, Ulsan KR
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20140116859 | 3-WAY SWITCH FOR A GAS-INSULATED APPARATUS - Provided is a 3-way switch for a gas-insulated apparatus, including a pressure container having a space part therein, the pressure container including a first connecting part in an upper portion of the space part and a second connecting part in a side portion of the space part such that the second connecting part is perpendicular to the first connecting part, a support conductor provided in the space part, the support conductor having a first guide hole defined in a direction perpendicular to the direction of the first connecting part and a second guide hole defined in a direction parallel to the direction of the second connecting part, a disconnecting switch (DS) operating part slidably coupled to the first guide hole, the DS operating part being connected to or separated from the first connecting part by means of an insertion or extrusion thereof, an earthing switch (ES) operating part slidably coupled to the second guide hole such that the ES operating part is perpendicular to the disconnecting switch operating part, the ES operating part being connected to or separated from the second connecting part through an insertion or protrusion thereof, and a main lever, one end of which is rotatably coupled to the support conductor and the other end of which is eccentrically rotated and rotatably connected to the DS operating part and the ES operating part so as to linearly slide the DS operating part and the ES operating part into neutral positions. | 05-01-2014 |
Dae-Jin Lee, Ulsan KR
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20140165958 | PRECOMBUSTION CHAMBER FOR GAS ENGINE - Disclosed herein is a precombustion chamber structure for a gas engine. The precombustion chamber structure is configured to facilitate disassembly of a precombustion chamber tip, thus making maintenance, repair or inspection of the precombustion chamber easy. For this, the precombustion chamber structure includes: a body ( | 06-19-2014 |
20150014565 | CHECK VALVE DRIVING DEVICE FOR INJECTING GAS - A check valve driving device for injecting gas, which enables an accurate operation of a check valve for injecting gas and long-term usage by enhancing durability, comprises: an upper portion fixing block which moves vertically by coupling onto a yoke repeating vertical movements; a lower portion fixing block which is coupled to a prechamber at a lower portion of the yoke; a roller which is rotatably coupled onto the upper portion fixing block, and of which a center portion diameter is bigger than diameters of both end portions; a guide, which is rotatably coupled onto the lower portion fixing block, for rotating when a curved surface on one side thereof comes into contact with the roller moving vertically; an operation piece, which is rotatably coupled onto the lower portion fixing block, wherein a front end of the operation piece moves vertically in accordance with the rotation of the guide; and a pressing rod which is coupled to the front end of the operation piece, and which is lowered in accordance with the lowering of the front end of the operation piece. | 01-15-2015 |
Dong Ju Lee, Ulsan KR
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20140238052 | INNER TANK SUPPORTING STRUCTURE FOR LNG STORAGE TANK FOR SHIP - The present invention relates to an inner tank supporting structure for an LNG storage tank for a ship, which does not restrict expansion or contraction of an inner tank in circumferential and lengthwise directions while the inner tank is expanded or contracted due to a temperature change caused by storage and discharge of LNG. The inner tank supporting structure for the LNG storage tank which has a cylindrical outer tank and a cylindrical inner tank, includes: a sliding main supporter mounted at one side of a bottom of the outer tank so as to fix the center of a bottom surface of the inner tank, the sliding main supporter having elongated sliding grooves formed in the lengthwise direction of the inner tank; a sliding main supporter mounted at the other side of the bottom of the outer tank so as to fix the center of the bottom surface of the inner tank, the sliding main supporter having round grooves; and a sub supporter mounted at the bottom of the outer tank so as to support the bottom surface of the inner tank, wherein the bottom surface of the inner tank is not fixed to the sub supporter. | 08-28-2014 |
20140299038 | CARGO TANK FOR EXTREMELY LOW TEMPERATURE SUBSTANCE CARRIER - A cargo tank for an extremely low temperature substance carrier according to the present invention arranges a first cargo tank wall having a primary corrugated panel to prevent cracks caused by contraction and easily absorb impact caused by liquefied gas sloshing to prevent defects occurring in the cargo tank, forms auxiliary corrugation on each of the first, second and third cargo tank walls to prevent defects caused by contraction and more easily absorb impact caused by liquefied gas sloshing, and selectively applies the first to third cargo tank walls having different structures to respective parts of the cargo tank where different sloshing phenomena occur to improve reliability of the cargo tank. | 10-09-2014 |
Dong-Kon Lee, Ulsan KR
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20090041970 | ADHESIVE SHEET AND MANUFACTURING METHOD THEREOF - Disclosed herein are an adhesive sheet and a manufacturing method thereof. The adhesive sheet comprises a polyvinyl chloride sheet formed of a polyvinyl chloride sheet comprising polyvinyl chloride, tourmaline and/or kiyoseki, and a flame retardant. The adhesive sheet may further comprise an antibacterial/deodorant layer formed on one side of the polyvinyl chloride sheet. The adhesive sheet has excellent ability to remove volatile organic compounds (VOCs), and excellent flame retardancy and printability. | 02-12-2009 |
Doo Kyun Lee, Ulsan KR
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20140113190 | LITHIUM METAL OXIDE COMPOSITE FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - A lithium metal oxide composite for a lithium secondary battery includes a core portion formed of a Mn metal compound and a shell portion formed of a three-component system metal compound at an outside of the core portion. A method of preparing a lithium metal oxide composite for a lithium secondary battery includes: mixing an Mn metal salt aqueous solution, a chelate agent, and a pH regulator to precipitate a first precursor; thermally treating the obtained first precursor; mixing the thermally treated first precursor with a three component system metal salt aqueous solution, a chelate agent, and a pH regulator to precipitate a second precursor; and mixing the obtained second precursor with a lithium-containing compound to synthesize a powder via a firing. | 04-24-2014 |
Gayoung Lee, Ulsan KR
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20130009931 | ELECTROPHORESIS DISPLAY DEVICE AND DRIVING METHOD - Discussed is an electrophoresis display device. The electrophoresis display device includes a plurality of gate lines and data lines formed to intersect each other, a gate driving circuit supplying a scan pulse to the gate lines, a data driving circuit respectively supplying a plurality of data voltages to the data lines, a plurality of first ESD circuits respectively connected to one sides of the gate lines, a plurality of second ESD circuits respectively connected to the other sides of the gate lines, and a plurality of third ESD circuits respectively connected to the data lines. First terminals of the first ESD circuits are respectively connected to the gate lines, and second terminals of the first ESD circuits are connected to a gate low voltage (VGL) terminal of the gate driving circuit. | 01-10-2013 |
Gi Young Lee, Ulsan KR
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20140165388 | FLOATING HANGER FOR ASSEMBLING VEHICLE BODY ROOF - A floating hanger for assembling a vehicle body roof sets a roof panel at a home position of a roof surface of a vehicle body which is transferred to a work position along a transfer line. The floating hanger includes: i) a fixing frame fixed to an arm of a robot; ii) a hanger frame configured to restrict the roof panel and installed at the fixing frame to be floatable in a width direction of the vehicle body, and iii) a position corrector installed at the hanger frame and configured to float the hanger frame to a set position of the roof panel by using pressure which is applied to both sides of the roof panel in a width direction. | 06-19-2014 |
Gyeong-Min Lee, Ulsan KR
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20120231256 | CHIP THROUGH FLOORING MATERIAL USING PLA RESIN - Disclosed is a chip through flooring material using a PLA resin, which is environmentally friendly by using the PLA resin and can realize the texture of natural wood and the unique fragrance of trees. According to the present invention, the chip through flooring material using the PLA resin includes: a chip through layer; and a surface treatment layer which is formed on a surface of the chip through layer, wherein the chip through layer includes the PLA resin. | 09-13-2012 |
20130302577 | CHIP-INLAID FLOORING MATERIAL USING PLA RESIN - Disclosed herein is a chip inlaid flooring material using a PLA resin. The chip inlaid flooring material includes a chip inlaid layer, a dimension stabilizing layer, and a base layer, from the top of the flooring material, wherein at least one of the chip inlaid layer and the base layer includes polylactic acid (PLA) resin as a binder. | 11-14-2013 |
Hae-Ri Lee, Ulsan KR
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20090030096 | METHOD OF PRODUCING EXPANDABLE POLYSTYRENE BEADS WHICH HAVE EXCELLENT HEAT INSULATION PROPERTIES - An expandable polystyrene bead production method, which is a two-step process, is disclosed. The method includes obtaining suspendable, homogenous micropellets from a mixed composition prepared by mixing graphite particles with a styrene-based resin and extruding the composition, and carrying out seed polymerization by suspending graphite-containing micropellets in water and adding a styrene-based monomer and an aromatic hydrocarbon having 6 to 10 carbon atoms, and impregnation by adding a blowing agent. The produced expandable polystyrene beads, which contain graphite particles, are considerably low in thermal conductivity. In addition, the expandable polystyrene beads exhibit a little change in the thermal conductivity over time due to the use of the graphite particles, so that the heat insulation property can be sustained for an extended period of time. | 01-29-2009 |
Haerim Lee, Ulsan KR
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20090041673 | Thermally Crosslinked Contrast Agents - The present invention relates to a contrast agent comprising a plurality of nanoparticles, wherein each of the nanoparticles comprises: (a) a signal generating core; and (b) a polymeric shell coated on the signal generating core, wherein the polymeric shell comprises a water soluble hydoxysilyl- or alkoxysilyl-functionalized polymer and wherein the polymer shell is thermally crosslinked through hydroxysilyl or alkoxysilyl groups of the polymer. | 02-12-2009 |
Ho-Il Lee, Ulsan KR
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20130323610 | MANUFACTURING METHOD OF OXYGEN REDUCTION REACTION CATALYSTS AND CATALYSTS THEREOF, CATHODE USING OXYGEN REDUCTION REACTION CATALYSTS - This invention relates to a method of preparing an oxygen reduction reaction catalyst, an oxygen reduction reaction catalyst prepared thereby, and an electrode for a metal-air battery using the oxygen reduction reaction catalyst, wherein transition metal ions are adsorbed on a commercially available melamine foam and carbonized, and carbon black is supported on a porous structure of the carbonized melamine foam support, thereby economically preparing the oxygen reduction reaction catalyst that is able to maximize an effect of promoting the oxygen reduction reaction. | 12-05-2013 |
Ho-Kyoung Lee, Ulsan KR
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20130140929 | EXPLOSION-PROOF, COMPOUND ELECTRIC MOTOR - Provided is a combined explosion-proof electromotor, which includes a body in which an interior space is formed and whose one end is open in an axial direction, a terminal box whose one end is open in the axial direction so as to face the open end of the body and in which a space is formed to hold terminal cables extending from the outside, and a middle plate that is disposed between the opposing ends of the body and the terminal box which are connected by separate fastening means and that includes terminal insertion holes through which ends of the terminal cables are inserted into the body. | 06-06-2013 |
Hong-Gi Lee, Ulsan KR
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20120111258 | AIR CAVITY VESSEL HAVING LONGITUDINAL AND TRANSVERSE PARTITIONS - An air cavity vessel having longitudinal and transverse partitions is provided. The air cavity vessel, which injects air into the bottom thereof to form air layers in order to reduce resistance of the vessel, includes transverse partitions partitioning the bottom in a transverse direction, longitudinal partitions partitioning the bottom in a longitudinal direction, spatial areas defined in a grid pattern by the transverse partitions and the longitudinal partitions, an air supply unit installed in a forebody of the vessel and supplying compressed air into the spatial areas, and a compressor for supplying the compressed air to the air supply unit. Thereby, multiple air layers are formed on a bottom flat area on a small scale. | 05-10-2012 |
Hyeonkook Lee, Ulsan KR
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20090293769 | BLUE PHTHALOCYANINE PIGMENT COMPOSITION AND ITS PREPARATION - The invention pertains to pigment compositions comprising from 70 to 93%, preferably from 81 to 93%, of e copper phthalocyanine, from to 18% of an aminomethyl-substituted phthalocyanine, from 2 to 15% of an ammonium sulfonato phthalocyanine and less than 2% of other phthalocyanine compounds, preferably 5 made by wet-milling a mixture of a copper phthalocyanine and e copper phthalocyanine together with the aminomethyl-substituted phthalocyanine and a milling aid in an organic liquid and adding the ammonium sulfonato phthalocyanine before the milling aid and the organic liquid are separated from the wet-milled mixture. | 12-03-2009 |
Hyung-Il Lee, Ulsan KR
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20110097419 | Poly(Propargyl-L-Glutamate) and Derivatives Thereof - A process of the present invention is directed toward conducting highly selective, high yield post-polymerization reactions on polypeptides to prepare functionalized polypeptides. In certain embodiments, the polypeptides can be prepared by ring opening polymerization of N-carboxyanhydrides. In certain embodiments, the post-polymerization reaction is a “click chemistry” reaction. In certain embodiment, the “click chemistry” reaction is a triazole-forming reaction involving an alkyne on the polypeptide and an azide. | 04-28-2011 |
Hyun Ki Lee, Ulsan KR
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20120146370 | APPARATUS FOR PREVENTING NECK INJURY FOR USE IN VEHICLE SEAT - An apparatus for preventing neck injury for use in a vehicle seat, which is connected between a recliner base installed on a back frame and a plate base on which a seat cushion is provided, may include a front connection link that is hinged to a front part of the recliner base at an upper end thereof and to a front part of the plate base at a lower end thereof; and a rear connection link that is hinged to a rear part of the recliner base at an upper end thereof and to a rear part of the plate base at a lower end thereof, wherein the front connection link is pivoted at a greater angle than the rear connection link such that the back frame moves in a forward direction in the event of a vehicle rear-end collision. | 06-14-2012 |
Hyunkyu Lee, Ulsan KR
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20140060252 | METHOD OF PRODUCING TIN EMITTED LOW ALPHA RADIATION BY USING VACUUM REFINING - A method of producing a purified tin, which emits low alpha radiation by using a vacuum refining has developed: the steps are comprising: preparing a crude tin; containing the crude tin in a crucible and placing it in a vacuum furnace; and removing the impurities, which have higher vapor pressures and low boiling points than that of the tin from the vacuum furnace. The impurities, such as a lead and bismuth can be removed as much as possible by utilizing the difference of the vapor pressure of the elements in the tin. It is possible to minimize the emission of alpha radiation, so that it can be prevented the occurrence of the software errors. | 03-06-2014 |
Hyun Kyu Lee, Ulsan KR
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20100272598 | LEAD FREE SOLDER ALLOY AND MANUFACTURING METHOD THEREOF - Disclosed herein are a lead-free solder alloy and a manufacturing method thereof. More specifically, disclosed are: a lead-free solder alloy, which comprises 0.8-1.2 wt % silver (Ag), 0.8-1.2 wt % copper (Cu), 0.01-1.0 wt % palladium (Pd), 0.001-0.1 wt % tellurium (Te), and a balance of tin (Sn), and thus has a melting point similar to those of prior lead-free solder alloys, excellent wettability, very low segregation ratio, and excellent weldability with a welding base metal, such that it improves temperature cycle performance and drop impact resistance simultaneously, when it is applied to electronic devices and printed circuit boards; a manufacturing method of the above alloy; and electronic devices and printed circuit boards which include the same. | 10-28-2010 |
20140183733 | METAL CORE SOLDER BALL AND HEAT DISSIPATION STRUCTURE FOR SEMICONDUCTOR DEVICE USING THE SAME - Disclosed is a metal core solder ball having improved heat conductivity, including a metal core having a diameter of 40˜600 μm, a first plating layer formed on the outer surface of the metal core, and a second plating layer formed on the outer surface of the first plating layer. | 07-03-2014 |
Hyunsu Lee, Ulsan KR
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20120018687 | Process for the preparation of easily dispersible Violet Pigment - The surface of a base pigment is modified so as to have a specific functional group such as sulfonic acid or its derivative, in order to increase rheological and colouristic properties and flocculation stability of dioxazine pigments (e.g., Pigment Violet 23). By modifying a pigment surface and further kneading it, dispersibility and the efficiency (brightness) of a color filter are improved without any other adverse effects. | 01-26-2012 |
Jae Gun Lee, Ulsan KR
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20130180996 | STRUCTURE FOR INSULATION OF STORAGE TANK AND ITS CONSTRUCTION METHOD - An insulation structure for a storage tank and a method of constructing the insulation structure. Angle plates to which expansion joints and wires are assembled are vertically disposed around the storage tank, tensions of the wires, which are horizontally disposed around the storage tank, are adjusted, and then insulation panels having insulating materials attached thereto are disposed to thermally insulate the storage tank in order to protect a kind of oil that is contained in the storage tank. | 07-18-2013 |
Jae Kee Lee, Ulsan KR
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20080283210 | METHOD OF MANUFACTURING CYLINDER HEAD SYSTEM FOR VEHICLE - A method for manufacturing a cylinder head system for a vehicle includes manufacturing a first main mold having an exhaust manifold mold and a first water jacket mold; manufacturing a second main mold having a second water jacket mold; and assembling the first main mold to the second main mold. The exhaust manifold mold is configured to form an exhaust manifold, the first water jacket mold is configured to form a first water jacket for cooling the exhaust manifold, and the second water jacket mold is configured to form a second water jacket for cooling a cylinder block. | 11-20-2008 |
20100230068 | METHOD AND MOLD FOR MANUFACTURING CYLINDER HEAD SYSTEM FOR VEHICLE - A method for manufacturing a cylinder head system for a vehicle includes manufacturing a first main mold to integrally form an exhaust manifold for discharging exhaust gas from a cylinder and a first water jacket for cooling the exhaust manifold, manufacturing a second main mold to form a second water jacket for cooling a cylinder block, and connecting the first main mold to the second main mold. The mold includes a first main mold having a plurality of exhaust manifold molds and a first water jacket mold, each exhaust manifold mold being configured to form a respective exhaust manifold, and the first water jacket mold being configured to form a first water jacket for cooling the exhaust manifolds, a second main mold having a second water jacket mold, the second water jacket mold being configured to form a second water jacket for cooling a cylinder block, and the second main mold being configured to be assembled with the first main mold. The first water jacket mold may be disposed between the exhaust manifold molds. | 09-16-2010 |
20110056077 | METHOD OF INOCULATING MAGNESIUM ON COMPACTED GRAPHITE IRON, AND CYLINDER BLOCK AND CYLINDER HEAD MANUFACTURED BY USING THE METHOD - A method of inoculating magnesium (Mg) on compacted graphite iron (CGI) comprises: providing a partition having a predetermined height on the bottom of a radle so as to divide the interior of the radle into a first space and a second space; laminating an Mg inoculant and a cover in order in the second space; and tapping liquid CGI cast iron onto the first space, whereby the Mg inoculant becomes in contact with the liquid CGI iron after the liquid CGI tapped onto the first space goes over the partition toward the second space and after the cover is melted by the liquid CGI. According to the method, the deviation of density of Mg is minimized, and a secondary inoculating process can thus be omitted. | 03-10-2011 |
Jae-Won Lee, Ulsan KR
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20100254766 | METHOD OF COLLECTING BIOGAS GENERATED FROM ORGANIC WASTES IN LANDFILL - A method of collecting biogas from organic wastes in a landfill includes a branch pipe installation step of installing a waste liquid input branch pipe and a landfill gas extracting branch pipe in the landfill, and installing a leachate extracting branch pipe under the landfill at a certain slopea fitting installation step of connecting an organic waste pretreatment device, the waste liquid input branch pipe, a landfill gas collecting pipe and the landfill gas extracting branch pipe a pretreatment step of mixing organic wastes with leachate generated from the landfill to produce a waste liquida waste liquid input step of dividing the waste liquid input branch pipe into some regions and progressively inputting and pressing the waste liquid mixed in the pretreatment step and a gas extraction step of extracting and collecting a generated landfill gas. | 10-07-2010 |
Jae Yung Lee, Ulsan KR
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20140184741 | VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING THE SAME - The present invention is related to a method for moving the position of a base view from an arbitrary GOP (Group Of Pictures) start position to implement an efficient encoding structure in multi-view video encoding. The existing multi-view video encoding method exhibits low encoding efficiency when correlation between the base view and a dependent view is low, since the base view is assumed to be fixed. Moreover, in case the view in a live broadcasting program desired by a producer changes from the base view to another, the user has to consume more bit streams and decoder complexity than those consumed when decoding is performed with respect to the base view. Therefore, to alleviate the drawbacks of the existing multi-view video encoding method, the present invention provides a method for designing syntax elements by which the base view can be moved, thereby supporting an efficient encoding structure. | 07-03-2014 |
20140185673 | METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING - This document discloses a method and apparatus for image encoding/decoding which support multiple layers. The method for image decoding comprises analyzing a video parameter set (VPS) extension for layer dependency on a current layer, analyzing slices for layer dependency on a current slice by determining whether not to apply layer dependency to the current slice or to apply new layer dependency to the current slice, the new layer dependency determining within a range of layer dependency analyzed from the VPS extension, and constructing a reference picture list about the current layer based on at least one of layer dependency analyzed from the VPS extension and layer dependency analyzed from the slice. | 07-03-2014 |
Jea-Hong Lee, Ulsan KR
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20140219542 | METHOD OF GENERATING HEIGHT INFORMATION IN CIRCUIT BOARD INSPECTION APPARATUS - A method of generating height information in a circuit board inspection apparatus, first, obtaining a first image corresponding to a first area and a second image corresponding to a second area with partially overlapped to the first area of a test board. Next, the first image and the second image are matched based on the overlapped area of the first and second area. Sequentially, a relative positional relationship of the first and second images is obtained from the result of matching. Sequentially, a combined grid image is generated by combining the first grid image and the second grid image based on the relative positioning relationship, wherein the first and second grid images are obtained by irradiating a grid patterned light toward a measurement object formed on the board inspection apparatus. Therefore, it is possible to generate an exact height information. | 08-07-2014 |
Ji-Hyoung Lee, Ulsan KR
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20140048493 | ELECTROLYSIS BALLAST WATER TREATMENT SYSTEM FOR PREVENTING EXPLODING OF SHIP AND A CONTROL METHOD USING THE SAME - The present invention relates to a device for treating ballast water using an electrolysis method so as to prevent ship explosions, and to a method for controlling the prevention of ship explosions using same. The device for treating ballast water using an electrolysis method is installed in a ship, wherein the apparatus comprises: a partition wall for separating an explosion danger zone in which a ballast tank is installed, and a safety zone in which the apparatus for treating ballast water is installed; a chlorine-injection tube linearly passing through said partition wall so as to connect the apparatus for treating ballast water to the ballast tank; and a compressor installed in said chlorine-injection tube so as to maintain a positive pressure in said chlorine-injection tube by transferring water into said chlorine-injection tube, even when an operation using the chlorine-injection tube is stopped. | 02-20-2014 |
Jinhee Lee, Ulsan KR
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20140184659 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a system and a liquid crystal module. The system detects an input frame frequency, generates a DISP signal indicating the input of an abnormal signal at a high logic level when the detected frame frequency is within a previously determined range, and generates the DISP signal at a low logic level when the detected frame frequency is beyond the previously determined range. The liquid crystal module includes a signal processing unit which selectively outputs digital video data for implementing a normal screen and digital black data for implementing a black screen in response to the DISP signal. | 07-03-2014 |
Jin-Hee Lee, Ulsan KR
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20090030096 | METHOD OF PRODUCING EXPANDABLE POLYSTYRENE BEADS WHICH HAVE EXCELLENT HEAT INSULATION PROPERTIES - An expandable polystyrene bead production method, which is a two-step process, is disclosed. The method includes obtaining suspendable, homogenous micropellets from a mixed composition prepared by mixing graphite particles with a styrene-based resin and extruding the composition, and carrying out seed polymerization by suspending graphite-containing micropellets in water and adding a styrene-based monomer and an aromatic hydrocarbon having 6 to 10 carbon atoms, and impregnation by adding a blowing agent. The produced expandable polystyrene beads, which contain graphite particles, are considerably low in thermal conductivity. In addition, the expandable polystyrene beads exhibit a little change in the thermal conductivity over time due to the use of the graphite particles, so that the heat insulation property can be sustained for an extended period of time. | 01-29-2009 |
20140176408 | LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - Discussed is an LCD device. The LCD device according to an embodiment of the present invention includes a liquid crystal panel in which a plurality of pixels are respectively formed in a plurality of areas defined by intersections between a plurality of gate lines and a plurality of data lines, and a driving unit configured to switch inversion systems for driving the liquid crystal panel at predetermined periods. | 06-26-2014 |
Jong Chul Lee, Ulsan KR
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20120045365 | STEAM STERILIZATION APPARATUS - The present invention relates to a steam sterilization apparatus, and more particularly, to a steam sterilization apparatus in which a crack in a vaporization space is minimized to achieve maximized water vaporization efficiency and to reduce the size of the apparatus, and which prevents liquid phase water from being sprayed at an early stage of operation of the apparatus to achieve a steam sterilization effect from the early stage of operation of the apparatus. | 02-23-2012 |
Jongho Lee, Ulsan KR
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20140210467 | MAGNETIC RESONANCE IMAGING APPARATUS AND SUSCEPTIBILITY-WEIGHTED IMAGING METHOD USING THE SAME - An MRI system acquires a susceptibility-weighted image by acquiring a first RF echo signal in a first echo time for providing an image exclusive of susceptibility-weighting and acquiring a second RF echo signal in a second echo time longer than the first echo time for providing an image including susceptibility-weighting. A compensation gradient field is applied for compensating for field inhomogeneity and in response, a third RF echo signal is acquired in a third echo time longer than the second echo time. First, second and third images are generated in response to data derived from the first, second and third RF echo signals respectively and data of the first, second and third images is combined to provide image data representing an image compensating for magnetic resonance signal attenuation in the second image. | 07-31-2014 |
Jongrae Lee, Ulsan KR
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20110094331 | APPARATUS FOR GENERATING HYSTERESIS OF ELECTRONIC ACCELERATOR PEDAL FOR A VEHICLE - The present invention relates to an apparatus for generating hysteresis of an electronic accelerator pedal for a vehicle, which makes it possible to improve the assembly work, reduce the assembly time, improve productivity, reduce the manufacturing cost, the weight, and fuel consumption, by simplifying the parts of the apparatus for generating hysteresis of the electronic accelerator pedal. | 04-28-2011 |
Joon Soo Lee, Ulsan KR
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20120006233 | ADMIXTURE FOR CEMENT MORTAR HAVING CRACK RESISTANCE AND CEMENT MORTAR INCLUDING THE SAME - An admixture for a cement mortar and a cement mortar including the same. The admixture includes at least one of hydroxyethylmethyl cellulose having a degree of substitution (DS) of a methyl group in a range from 1.6 to 2.0 and hydroxypropylmethyl cellulose having a molar substitution MS of a hydroxypropyl group in a range from 0.4 to 1.0. | 01-12-2012 |
Junyoung Lee, Ulsan KR
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20130091687 | MOUNTING DEVICE FOR VEHICLE DOOR HINGE - Disclosed are a method and a mounting device for installing a vehicle door hinge. More specifically, the mounting device f includes a jig frame, at least one clamping unit which is mounted to the jig frame and fixes the jig frame to a side panel and at least one mounting unit which is connected to the jig frame and is configured to install a door hinge which may be mounted to the side panel. In particular, the mounting unit is rotatable based on a slope dispersion of the side panel. | 04-18-2013 |
Kang-Hoon Lee, Ulsan KR
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20140202371 | DRILLSHIP HAVING VORTEX SUPPRESION BLOCK WITH RECESSED FLOW STABILIZING SECTION IN MOON POOL - Disclosed is a drillship having a vortex suppression block with a recessed flow stabilizing part in a moon pool. The flow stabilizing section is formed so that a bottom of the vortex suppression block that protrudes from a bottom of a hull toward a stern in the moon pool is recessed in an upward direction of the hull to stabilize a flow in the moon pool and reduce a variation in resistance of the drillship. The flow stabilizing section ( | 07-24-2014 |
Kyu Jin Lee, Ulsan KR
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20120286566 | Rubber Crawler Having Metal Core for Improvement of Wheel Separation and Durability - The present invention relates to a rubber crawler having a metal core for improvement of wheel separation and durability, and comprises metal core extensions formed at predetermined intervals along the lengthwise direction of the metal core of the rubber crawler, thereby avoiding the phenomenon of wheel separation which occurs during crawler operation, and minimizing lug breakage due to foreign objects, bend fatigue of a metal core, metal core exposure and breakage of a tread portion, so that the durability performance is enhanced. According to an embodiment of the present invention, the rubber crawler having a metal core for improvement of wheel separation and durability comprises a lug formed to protrude on an external side surface and grounded on the ground; a steel cord disposed internally for enduring compressive load and the driving load of a tracked vehicle; a metal core which is embedded within the steel cord, and transfers the driving force of the engine; and metal core extensions which are embedded along both lengths on the basis of the center portion of the metal core, and prevents wheel separation of the metal core, wherein the metal core extensions are assembled on the mutually opposite surfaces of which are inclined at a predetermined angle, and the overlapped portion (center portion) surfaces of the metal core extensions are formed to have an angle of inclination to each other, thereby supporting the X axis, Y axis, and Z axis displacements. | 11-15-2012 |
Kyung Mi Lee, Ulsan KR
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20120032774 | THERMAL FUSE RESISTOR, MANUFACTURING METHOD THEREOF, AND INSTALLATION METHOD THEREOF - Disclosed are a thermal fuse resistor having a case injection-molded by using thermosetting resin having heat resistance less than that of filler, a manufacturing method of the thermal fuse resistor, and a method of installing the thermal fuse resistor such that a resistor and a thermal fuse are laid down on a printed circuit board. In the thermal fuse resistor, even if the case has a lighter weight and a thinner thickness by changing the material of the case as compared with those of a case according to the related art, the case is not easily broken, so that the case is suitable for the lightness and slimness of an electronic appliance employing the thermal fuse resistor. Since only the thickness of the case of the thermal fuse resistor is reflected to the thickness of the electronic appliance employing the thermal fuse resistor, the thermal fuse resistor is suitable for the slimness of the electronic appliance. | 02-09-2012 |
20120038450 | THERMAL FUSE RESISTOR - Disclosed is a fuse resistor representing superior manufacturing efficiency and assembling reliability. The fuse resistor includes a resistor, a thermal fuse that is disconnected by heat generated from the resistor, and a case receiving the resistor and the thermal fuse therein and having a space section for transferring radiant heat of the resistor to the thermal fuse. Fillers are not required so that the manufacturing process is simplified. Since the assembling process is completed by covering a body of the case with a cap after the resistor and the thermal fuse have been inserted into the body, the manufacturing efficiency is improved. | 02-16-2012 |
20120044038 | SMALL FUSE AND MANUFACTURING METHOD THEREOF - Disclosed are a small fuse and a method of manufacturing the same. A cover made from thermosetting resin is coupled with is a base to receive a fusing element therein. The fusing element does not cause damage to the cover even if the fusing element makes contact with an inner wall of the cover due to size reduction of the cover. | 02-23-2012 |
20130118004 | SMALL FUSE AND MANUFACTURING METHOD THEREOF - Disclosed are a small fuse and a method of manufacturing the same. A cover made from thermosetting resin is coupled with is a base to receive a fusing element therein. The fusing element does not cause damage to the cover even if the fusing element makes contact with an inner wall of the cover due to size reduction of the cover. | 05-16-2013 |
Kyu-Se Lee, Ulsan KR
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20130241188 | PRODUCTION METHOD FOR A SPLASH SHIELD USING A CONTINUOUS EXTRUSION-INJECTION-FOAMING MOULDING PROCESS - The present invention relates to a method for producing a splash shield, in which method a base-portion raw material comprising a plastic, glass fibers, a compatibilizer and rubber is subjected to melt extrusion while at the same time injection molding is performed, and then, without removing the injection-molded article from the injection mold, the injection mold is rotated in the open state, and the injection-molded article is conveyed to a foaming mold and subsequently undergoes flame treatment and a polyurethane foam molding step. A single process in the production method is used for the procedure in which the materials are separately compounded and pelletized and the procedure in which the injection-molded article is molded. | 09-19-2013 |
Min Jae Lee, Ulsan KR
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20130192425 | METHOD FOR RECOVERING VALUABLE METALS FROM LITHIUM SECONDARY BATTERY WASTES - Valuable metals such as cobalt, nickel, manganese, and lithium can be economically recovered from various lithium secondary battery-related wastes by the inventive method which comprises liquid-phase leaching a scrap powder containing Co, Ni, Mn, and Li, and purifying and solvent-extracting the resulting leaching solution to recover each of said Co, Ni, Mn, and Li, wherein the liquid-phase leaching is performed by a two-step counter-current leaching using an inorganic acid solution or a mixed solution of an inorganic acid and hydrogen peroxide. | 08-01-2013 |
Mi Young Lee, Ulsan KR
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20140019282 | METHOD AND SYSTEM OF PROVIDING SERVICE USING USER DESCRIPTION, SERVICE DESCRIPTION AND CONTENTS DESCRIPTION - A method of providing a service using a user description, a service description, and a contents description may include: receiving first user information from a first user description including first user information; receiving environment information from the contents description including environment information; selecting optimal service information from the service description including service information based on at least one of the first user information and the environment information; and providing a service corresponding to the selected optimal service information to a first user. | 01-16-2014 |
Moon Hyun Lee, Ulsan KR
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20100073504 | METHOD OF MULTISPECTRAL IMAGING AND AN APPARATUS THEREOF - A multispectral imaging method and system is provided. A multispectral imaging method of the present invention includes determining an on-off combination of a plurality of light sources illuminating a scene; illuminating the scene with the light sources according to the on-off combination selected on the basis of a first control signal generated by a microcontroller; capturing an image of the scene by operating a camera on the basis of a second control signal synchronized with the first control signal; determining a plurality of spectral basis functions and weights of the spectral basis functions; and acquiring a continuous spectral reflectance by summing values obtained by multiplying the spectral basis functions and respective weights. The multispectral imaging method of the present invention is practical and efficient in that a continuous spectral reflectance image can be acquired with a minimized number of measurements required for obtaining spectral reflectance. Accordingly, the multispectral imaging method of the present invention can be applied to various fields, such as image reproduction and medical imaging, while overcoming performance limits of the conventional RGB imaging techniques. | 03-25-2010 |
Myung-Kyu Lee, Ulsan KR
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20110280351 | APPARATUS AND METHOD FOR COMPENSATING FOR PHASE NOISE IN A RECEIVER SUPPORTING OFDM - An apparatus and method for compensating for phase noise in a receiver supporting Orthogonal Frequency Division Multiplexing (OFDM) by receiving a frequency-domain recovered signal and a time-domain received signal, estimating an average phase noise for each of the partial blocks of the signals, calculating an overall average phase noise using the average phase noises of the partial blocks, and removing the phase noise from the time-domain received signal using the calculated total average phase noise. | 11-17-2011 |
Myung Soo Lee, Ulsan KR
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20140167474 | RECLINING APPARATUS FOR A REAR SEAT OF A VEHICLE - The present invention relates to a reclining apparatus for a rear seat of a vehicle, having a back frame having a upper end and a lower end; a cushion frame having a front side and a back side, wherein the back side of the cushion frame is pivotally connected to the lower end of the back frame; a back frame locking module disposed on the upper end of the back frame, the back frame locking module removably engageable to a body panel and acting as a pivot center when engaged with the body panel; and a guide module configured to guide the cushion frame pivotally connected to the back frame so that the lower portion of the back frame pivots about the upper portion when the cushion frame slides up forward or down rearward to allow the back frame to move between an upright position and a reclined position. | 06-19-2014 |
Myung Sub Lee, Ulsan KR
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20140238052 | INNER TANK SUPPORTING STRUCTURE FOR LNG STORAGE TANK FOR SHIP - The present invention relates to an inner tank supporting structure for an LNG storage tank for a ship, which does not restrict expansion or contraction of an inner tank in circumferential and lengthwise directions while the inner tank is expanded or contracted due to a temperature change caused by storage and discharge of LNG. The inner tank supporting structure for the LNG storage tank which has a cylindrical outer tank and a cylindrical inner tank, includes: a sliding main supporter mounted at one side of a bottom of the outer tank so as to fix the center of a bottom surface of the inner tank, the sliding main supporter having elongated sliding grooves formed in the lengthwise direction of the inner tank; a sliding main supporter mounted at the other side of the bottom of the outer tank so as to fix the center of the bottom surface of the inner tank, the sliding main supporter having round grooves; and a sub supporter mounted at the bottom of the outer tank so as to support the bottom surface of the inner tank, wherein the bottom surface of the inner tank is not fixed to the sub supporter. | 08-28-2014 |
Nam-Doo Lee, Ulsan KR
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20140169902 | SPINDLE JIG AND AUTO PALLET-CHANGEABLE MACHINING CENTER HAVING THE SAME - A spindle jig and a machining center having the same are disclosed. The machining center includes a spindle jig installed to be movable, a guide rail mounted to guide and move the spindle jig, a spindle that is fitted and supported on the spindle jig, and is equipped with a processing tool and rotates the processing tool, a column on which the spindle jig is mounted, an auto pallet changer equipped with materials, and transferring the materials to a processing area or a non-processing area, a splash guard rotated integrally with the auto pallet exchanger, mounted to be tiltable at a predetermined angle and separating the processing area from the non-processing area, and an upper cover installed to be rotatable on the movement path of the spindle jig along the guide rail. Accordingly, the replacement of the spindle can be quick and easy. | 06-19-2014 |
Sang-Bae Lee, Ulsan KR
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20120304375 | AIR INJECTION BATHTUB - An air injection bathtub includes: a body part having a coupling recess formed depressedly on the bottom surface thereof; a plate part adapted to be fit to the coupling recess of the body part and having a connection groove formed depressedly on one side of the underside surface thereof, at least one air passing grooves formed depressedly on the underside surface thereof in a manner as to communicate with the connection groove and to pass the air supplied from the connection groove therethrough, and at least one air injection through-holes formed on the top surface of the plate part to inject the air passing through the air passing grooves into the body part; and a valve part disposed below the connection groove in a manner as to be open and closed through the air pressure supplied from the outside and to supply air to the connection groove. | 12-06-2012 |
Sang Hyun Lee, Ulsan KR
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20110077419 | DOUBLE METAL CYANIDE CATALYST HAVING A CONTROLLED REACTIVITY FOR PREPARING A POLYOL AND PREPARATION THEREOF - A double metal cyanide catalyst of the present invention having a controlled reactivity for preparing a polyol, which contains an ether ligand having a molecular weight of less than 200 and a glycol ligand having a molecular weight of less than 200 can be used in the preparation of a polyol having a unsaturation degree suitable for direct use for producing a polyurethane having suitable properties. | 03-31-2011 |
Sang Hyup Lee, Ulsan KR
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20120176222 | APPARATUS FOR MANAGING THE OPERATION OF A SHIP BLOCK - Provided is an apparatus for managing the operation of a ship block, including a ship block size and location measuring system, a transporter monitoring system, a block transportation monitoring system and a transportation lot number management system. The ship block size and location measuring system includes a direction angle sensor, a range finder, a radio frequency identification (RFID) reader and a control system, and the control system includes a block size and location measuring server, a vector calculating module, a coordinate calculating module, a size and location extracting module, and a memory module. | 07-12-2012 |
Sang-Lae Lee, Ulsan KR
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20140157603 | METHOD OF ASSEMBLING SUB-FRAME AND FRONT SIDE END IN VEHICLE - A method of assembling a sub-frame of a vehicle with the front side member of the vehicle includes integrally forming a supporting end of a mounting nut that protrudes in a radial direction in a center of an external circumference of the mounting nut, forming a through hole in a lower surface of the front side member, forming a seat as a groove in an internal surface of the through hole, inserting a lower end of the mounting nut into the through hole so that the supporting end is supported by a circumference of the through hole, settling a head of the mounting nut in the seat, and welding the supporting end and the head along the circumference of the through hole and a side of the seat to assemble the sub-frame to the front side member. | 06-12-2014 |
20140159411 | MOUNTING UNIT FOR SUB-FRAME IN VEHICLE - A mounting unit for a sub-frame of a vehicle is provided. The mounting unit is used for engaging a front side member with the vehicle's sub-frame. The mounting unit includes a welding seat that is formed as a groove on a lower side of the front side member. The mounting unit further includes a mounting nut assembled with the front side member, a welding flange integrated with an external circumference and a head of the mounting nut and inserted into the welding seat to be combined with the welding seat, and a member seat that is formed outside the welding flange and with which a fender upper connecting member is combined. | 06-12-2014 |
20140159432 | ROOF SIDE RAIL - A roof side rail is connected to a roof panel and includes a multi-sectional rail having a plurality of integrally formed ribs and bent along a shape of an upper portion of a side surface of a vehicle body, and a reinforcement rail that is combined with an inner side surface of the rail, an upper side flange is connected to the roof panel, and a lower side flange is engaged with a weather strip. | 06-12-2014 |
Sang Mo Lee, Ulsan KR
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20100135862 | THERMOWELL COMPOUND APPARATUS OF HIGH SHELL FOR RESIDUE HYDROGEN DESULFURIZATION - The present invention relates to a thermowell blocking apparatus for a high-pressure reactor used in a desulfurization process, which can rapidly prevent noxious high-temperature and high-pressure gases from leaking out of a high-pressure reactor when the noxious high-temperature and high-pressure gases leak from the high-pressure reactor due to unexpected damage occurring to a thermowell used for measuring a reaction temperature of a catalyst. The thermowell blocking apparatus can prevent the economic losses caused by the stoppage of the desulfurization process, and can reduce consequential damages to human life, the environment, and the like. | 06-03-2010 |
Seong Hoon Lee, Ulsan KR
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20090302494 | METHOD MANUFACTURE OF WEATHERSTRIPS USING ULTRA HIGH MOLECULAR WEIGHT POLYETHYLENE ONTO SCF EXTRUSION SYSTEM - There is provided a process of preparing an automotive weatherstrip by co-extrusion of UHMWPE and TPV materials with an SCF. The automotive weatherstrip according to the present invention can be easily recycled, shows excellent properties with respect to lightweight and fire-resistance, and also contributes to improve the product quality by preventing exterior damage. | 12-10-2009 |
20090315209 | Polypropylene/soy-protein compositions of bio-composite materials, bio-composite sheet using that and preparing method thereof - The present invention relates to polypropylene/soybean protein composition for a bio-composite material for an automotive interior or exterior material, a bio-composite sheet prepared by using the composition and its preparation method, and particularly relates to composition for a bio-composite material comprising polypropylene resin, soy protein particles and ZnSO | 12-24-2009 |
20110269872 | PREPARING METHOD OF POLYMER NANO-COMPOSITES - Provided is a method for preparing a polymer nano-composite, more particularly, an economical method for preparing a polymer nano-composite with improved properties via a single process of organic treatment of a layered clay mineral and dispersion in a rubber latex material at a pH where both the rubber latex material and the layered clay mineral are stabilized. The provided method for preparing a polymer nano-composite allows effective dispersion without using an organic modification process for improving dispersibility of the layered clay mineral in resin. Thus prepared polymer nano-composite exhibits superior mechanical property and may be usefully applied for automobile interior and exterior materials. | 11-03-2011 |
20120271001 | COMPOSITION OF POLYKETONE WITH HIGH IMPACT STRENGTH - The present invention provides a polyketone composition having about 40˜90 wt % of polyketone, about 5˜40 wt % of polyamide, and about 5˜20 wt % of modified rubber. The composition of the present invention greatly improves the impact resistance of polyketone, which has increased heat resistance, chemical resistance, fuel permeation resistance, abrasion resistance or the like, and thus may be widely applied in various industrial fields, such as automotive parts including wheel covers, wheel caps, fuel filler necks, fuel tanks, fuel tubes, center fascias, door handles, roof rack covers, gear, junction boxes, connectors, seat backs or the like, electric/electronic parts, and household items, thereby providing durability of the parts and price competition. | 10-25-2012 |
20120288721 | ADHESIVES FOR BONDING POLYURETHANE AND ALUMINUM - The present invention provides an adhesive comprising graphene oxide including at an epoxy group, a hydroxyl group or a carboxylic acid group; and an alkoxysilane compound including an amine group, an epoxy group, a carboxylic acid group, a hydroxyl group, or a thiol group. More specifically the adhesive may be used for bonding a polyurethane elastomer to an aluminum material, in which a silane compound and graphene oxide are applied to improve adhesive strength, compared to adhesives including the silane compound only. In addition, during a separation process for recycling after use, the aluminum material and polyurethane can be easily separated from each other by polyurethane pyrolysis through rapid heating due to microwave absorption properties of graphene oxide. | 11-15-2012 |
20120308726 | METHOD FOR PRODUCING SYNTHETIC LEATHER HAVING AIR PERMEABILITY - Disclosed is a synthetic leather produced by directly coating a water-soluble synthetic resin solution on the surface of a fabric to form a film thereon such that fine gaps formed on the fabric are partially left open to have a certain degree of air permeability. In particular, a brushing process is used for brushing the surface of a fabric using a brushing machine to raise a nap. Next, a hydrolysis-resistant and flame-retardant resin solution is coated on the back of the fabric, which is opposite to the surface on which the nap is raised, to reinforce the back of the fabric. A film forming process then applies a water-soluble polyurethane resin solution to the nap raised on the surface of the fabric to form a film on the surface of the fabric thereby producing a synthetic leather product that has air permeability properties that are superior to genuine leather. | 12-06-2012 |
20130147095 | METHOD AND APPARATUS FOR MANUFACTURING A MAGNETORHEOLOGICAL ELASTOMER - Disclosed is a method and electromagnetic device for manufacturing an anisotropic magneto-rheological elastomer (MRE) with an improved magneto-rheological effect. The electromagnetic device includes upper and lower electromagnets, and a test piece located therebetween. The upper and lower electromagnets are configured to apply a magnetic field of variable strength, which may be controlled by current applied from a power controller, to the test piece in a desired direction or orientation. More specifically, the device is designed in such a manner that carbonyl iron powder (CIP) (magnetic-responsive particles) dispersed in a magneto-rheological elastomer using natural rubber as a matrix can be oriented in the application direction of the magnetic field. A MRE produced by the method and electromagnetic device of the invention prevents formation of bubbles within a test piece, thereby improving the arrangement/orientation of CIP with the matrix. | 06-13-2013 |
20150072123 | COATING MATERIAL FOR ALUMINUM DIE CASTING AND METHOD FOR COATING THE SAME - Disclosed is a coating material for aluminum die casting and a method for coating the same, the coating material including: a CrN adhesion layer formed on a surface of a base material; a TrAlN/CrN support layer formed on a surface of the CrN adhesion layer; and a TiAl(CrSi)VCN functional layer formed on a surface of the TiAlN/CrN support layer. The present coating material solves the hot stamping and sticking problem of a conventional aluminum die casting mold and the like, enhances thermal resistance, and further has enhanced thermal resistance, high-temperature wear resistance, sticking resistance and thermal impact resistance compared to that of a conventional coating material. | 03-12-2015 |
Seong Won Lee, Ulsan KR
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20110179933 | AUTOMATIC FLANGE SURFACE MACHINING APPARATUS - Disclosed is an automatic flange surface machining apparatus for machining a flange surface. The automatic flange surface machining apparatus of the present invention comprises a flange fixing unit fixed at the inner surface of a pipe formed on a flange, a shaft secured onto the flange fixing unit, a main body which has a linear toolbar guiding path formed at one side thereof, and which has a guide protrusion for providing a space that communicates with the toolbar guiding path to enable the penetration of the shaft, and which is rotatably coupled to the shaft that has penetrated the space, a toolbar installed in the toolbar guiding path such that the toolbar moves along the toolbar guiding path, a toolbar moving means arranged in the main body to move the toolbar, an inner gear coupled onto the main body, a rotating motor base installed on the inner gear, and fixed at the shaft, an inner gear driving means coupled to the rotating motor base to rotate the inner gear, and a flange surface machining unit installed on one side of the toolbar to machine the flange surface. | 07-28-2011 |
Seon Gyeong Lee, Ulsan KR
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20110177104 | METHOD FOR SELECTIVE DEPLETION OF CD137 POSITIVE CELLS USING ANTI-CD137 ANTIBODY-TOXIN COMPLEX - The present invention relates to method for depletion of CD137 positive cells using an anti-CD137 antibody-toxin complex, and more particularly, to a method for selective depletion of CD137 positive cells, comprising the step of contacting an anti-CD137 antibody-toxin complex with the CD137 positive cells. The method for selective depletion of CD137 positive cells in accordance with the present invention can be useful to prevent or treat various diseases including immune diseases mediated by the activation of the CD137 positive cells because this method is excellent in delivering a complex of an anti-CD137 antibody, specific to CD137 molecules, and a toxin to CD137 expressing cells and selectively killing the CD137 positive cells alone and is also excellent in suppressing cell proliferation. | 07-21-2011 |
Seung Chan Lee, Ulsan KR
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20140117604 | MANUFACTURING DEVICE HAVING CLAMP UNIT - A manufacturing device having a clamp unit according to an exemplary embodiment of the present invention may include a workpiece disposed on a frame, a clamp unit configured to fix the workpiece on the frame, and a spindle configured to a torque transferred from a motor to cut the workpiece or operates the clamp unit to make the clamp unit fix the workpiece on the frame. | 05-01-2014 |
Seung Hun Lee, Ulsan KR
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20130295348 | METAL-COLORED AND NON-CONDUCTIVE TRANSFER FILM - Disclosed is a transfer film which is transferred to an injection molding product. The transfer film includes a protective layer a printing layer which is stacked on the protective layer; a metal deposition layer which is deposited on the printing layer so as to have an island structure and thus to provide non-conductive property; and adhesive layer which is deposited on the metal deposition layer, thereby providing metal color and non-conductive property. | 11-07-2013 |
Seung Jik Lee, Ulsan KR
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20140186481 | DRAW PRESS SYSTEM - A draw press device may include a lower mold having a lower surface forming portion, a blank holder disposed outside the lower mold, an upper mold having an upper surface forming portion disposed at an upper side slider above an upper side of the lower mold, and a stretching forming portion that performs a stretching when both end portions of the material panel are grasped by a cam operation before shaping or pressing the material panel. | 07-03-2014 |
Seung Jin Lee, Ulsan KR
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20140183733 | METAL CORE SOLDER BALL AND HEAT DISSIPATION STRUCTURE FOR SEMICONDUCTOR DEVICE USING THE SAME - Disclosed is a metal core solder ball having improved heat conductivity, including a metal core having a diameter of 40˜600 μm, a first plating layer formed on the outer surface of the metal core, and a second plating layer formed on the outer surface of the first plating layer. | 07-03-2014 |
Soo Kyung Lee, Ulsan KR
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20130086823 | SHOES HAVING AN AIR CIRCULATION FUNCTION - The present invention relates to a shoe having an air circulation function. The shoe has a receiving groove in a central portion of a top surface thereof. The shoe includes a sole having an air chamber, a vent passage, and a passage through which air is discharged toward the receiving groove of the sole, an inner cushion inserted into the receiving groove of the sole to provide a cushioning force for restoring the cushion during walking, an inclined adhesion protrusion disposed along an outer circumference of the receiving groove of the sole, the inclined adhesion protrusion being gradually inclined downward from the outside to the inside, a porous valve plate stacked on a top surface of the inner cushion, the porous valve plate having a lower end circumference surface contacting a top surface of the inclined adhesion protrusion to define a contraction space above the inclined adhesion protrusion, a plurality of valves protruding from a bottom surface of the porous valve plate, the plurality of valves being selectively opened or closed according to the contraction and expansion of the porous valve plate in a state where the valves are inserted into holes defined in the inner cushion to discharge contaminated air within the shoe into the air chamber of the sole, and an intermediate sole and insole which are successively stacked on a top surface of the porous valve plate. The intermediate sole and the porous valve plate may be frequently contracted or expanded through the contraction and restoring space by a load transferred during the walking when compared to shoes according to a related art. Thus, air within the shoes may be physically discharged. | 04-11-2013 |
Soo Min Lee, Ulsan KR
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20140211834 | LOW-POWER, HIGH-SPEED TRANSCEIVER - The present invention relates to a low-power and high-speed transmission and reception apparatus which reduces consumption power of a sending-end circuit by increasing a value of a termination resistor included in a sending-end circuit and a receiving-end circuit so that the value is greater than a characteristic impedance value of a transmission line. | 07-31-2014 |
Soo-Yeon Lee, Ulsan KR
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20120308133 | METHOD AND APPARATUS FOR ENHANCING CHROMA OF INPUT IMAGE - A method and apparatus for enhancing chroma of an input image by performing chroma conversion on a chroma value of a chroma component of the input image and compensating for a variation in a brightness value of the input image, based on the chroma value on which the chroma conversion is performed. | 12-06-2012 |
20140307964 | METHOD AND APPARATUS FOR ADJUSTING BRIGHTNESS OF INPUT IMAGE - A method of adjusting a brightness of an input image includes performing brightness conversion on a brightness component value of the input image, and compensating a chroma value of the input image based on input image information and a brightness value obtained from the brightness conversion, wherein the input image information includes a chroma component value and the brightness component value of the input image. | 10-16-2014 |
Sung J. Lee, Ulsan KR
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20090067962 | Vehicle cart transfer system - The present invention provides a vehicle cart transfer system including a plurality of cart transfer devices arranged in parallel, each of which includes a turntable adapted to received a cart placed thereon, a turntable driving unit for rotating the turntable, and a turntable lifting unit for lifting the turntable up and down, wherein the plurality of cart transfer devices rotate the turntables in the opposite direction so that two turntables become close to each other during transfer of the carts. Accordingly, the turntables are rotated in the opposite direction to be adjacent to each other so that the cart loaded on one of the turntables is directly transferred to the other turntable, thus effectively transferring the cart without a conveyor. | 03-12-2009 |
Sung Kuk Lee, Ulsan KR
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20130309744 | MUTANT MICROORGANISM WITH ENHANCED SUGAR UTILIZATION AND METHODS FOR PREPARING THE SAME - The present invention relates to a mutant microorganism with enhanced sugar utilization and methods for preparing the same. The mutant strain is capable of effectively utilizing various sugars including cellobiose and xylose, and can thus be useful in the production of biofuels, physiologically active materials, medicinal materials or industrial chemicals from cellulosic biomass. It also reduces the need for addition of one out of the three enzymes used in the saccharification of lignocellulose. It also eliminates the need for separate reactors to ferment pentose and hexose sugar. | 11-21-2013 |
20150050691 | METHOD FOR PREPARING MUTANT ESCHERICHIA COLI CAPABLE OF SIMULTANEOUSLY UTILIZING GLUCOSE AND XYLOSE - The present invention relates to a method for preparing a mutant | 02-19-2015 |
Sung-Mo Lee, Ulsan KR
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20150068699 | CENTRIFUGAL CASTING MACHINE FOR MANUFACTURING ROTOR - Disclosed herein is a centrifugal casting machine, including: a rotating plate rotating by means of a motor; a cylindrical sleeve installed on the rotating plate and having an internal diameter corresponding to an external diameter of silicon steel plates constituting a core in the sleeve; an upper mold internally installed on the sleeve to define a first molding space into which a molten metal is introduced to mold an end ring; a lower mold internally installed on the sleeve to define a second molding space into which a molten metal is introduced to mold an end ring; a dummy shaft fitted in the center of the core and coupled to the lower mold; a cap coupled to an upper end of the dummy shaft to press the core; and a hydraulic ram coupled to the lower mold to move the lower mold up and down and coupled to the rotating plate to rotate therewith. | 03-12-2015 |
Sup Joo Lee, Ulsan KR
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20120142875 | MALEIMIDE-ALPHA-ALKYLSTYRENE-BASED TETRAPOLYMER WITH LOW MOLTEN VISCOSITY AND CONTINUOUS BULK PROCESS FOR PRODUCING IT - Disclosed are a maleimide-a-alkylstyrene-based, heat-resistant bulk tetrapolymer and a preparation process thereof. More specifically, disclosed are a bulk tetrapolymer, comprising 5-60 wt % of an N-substituted maleimide monomer, 10-70 wt % of an a-alkylstyrene monomer, 5-50 wt % of an unsaturated nitrile monomer and 3-50 wt % of an aromatic vinyl monomer, as well as a continuous bulk polymerization process for preparing the same. The disclosed bulk tetrapolymer has a weight-average molecular weight (Mw) of 70,000-300,000 and a glass transition temperature of 150-200 DEG C., shows excellent high-temperature thermal stability and heat resistance and a remarkably low melt viscosity, and thus is excellent not only in processability, but also in productivity, processability, moldability and blendability, when it is blended with other resins. Also, the continuous bulk polymerization process is equipped with a devolatilizer and enables the bulk tetrapolymer to be produced at low cost and high efficiency. | 06-07-2012 |
Ung Lee, Ulsan KR
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20110114980 | SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor light-emitting device capable of improving current distribution, and a method for manufacturing the same is disclosed, wherein the semiconductor light-emitting device comprises a substrate; an N-type nitride semiconductor layer on the substrate; an active layer on the N-type nitride semiconductor layer; a P-type nitride semiconductor layer on the active layer; a groove in the P-type nitride semiconductor layer to form a predetermined pattern in the P-type nitride semiconductor layer; a light guide of transparent non-conductive material in the groove; and a transparent electrode layer on the P-type nitride semiconductor layer with the light guide. | 05-19-2011 |
20110140127 | SEMI-CONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THEREOF - A semiconductor light-emitting device and a method for manufacturing the same is disclosed, which improves light extraction efficiency by forming a plurality of protrusions on a surface of a substrate for growing a nitride semiconductor material thereon, the semiconductor light-emitting device comprising a substrate; one or more first protrusions on the substrate, each first protrusion having a recess through which a surface of the substrate is exposed planarly; a first semiconductor layer on the substrate including the first protrusions; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; a first electrode on a predetermined portion of the first semiconductor layer, wherein the active layer and second semiconductor layer are not formed on the predetermined portion of the first semiconductor layer; and a second electrode on the second semiconductor layer. | 06-16-2011 |
Wang Chun Lee, Ulsan KR
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20090101183 | APPARATUS FOR CLEANING TUBE FINS OF AIR FAN COOLER FOR HEAT EXCHANGER - Disclosed herein is an apparatus for cleaning tube fins of an air fan cooler for heat exchangers. The apparatus according to the present invention is constructed such that the tube fins can be cleaned in a mechanical manner even when the air fan cooler is in operation, thus preventing the heat exchange efficiency of the tube fins from becoming reduced by dust. Furthermore, the present invention restrains the use of chemicals, thus realizing environment-friendly cleaning. | 04-23-2009 |
Won-Sik Lee, Ulsan KR
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20100254766 | METHOD OF COLLECTING BIOGAS GENERATED FROM ORGANIC WASTES IN LANDFILL - A method of collecting biogas from organic wastes in a landfill includes a branch pipe installation step of installing a waste liquid input branch pipe and a landfill gas extracting branch pipe in the landfill, and installing a leachate extracting branch pipe under the landfill at a certain slopea fitting installation step of connecting an organic waste pretreatment device, the waste liquid input branch pipe, a landfill gas collecting pipe and the landfill gas extracting branch pipe a pretreatment step of mixing organic wastes with leachate generated from the landfill to produce a waste liquida waste liquid input step of dividing the waste liquid input branch pipe into some regions and progressively inputting and pressing the waste liquid mixed in the pretreatment step and a gas extraction step of extracting and collecting a generated landfill gas. | 10-07-2010 |
Won Woo Lee, Ulsan KR
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20140070579 | Fastening tape for seat pad and seat pad having the sam - The present invention relates to a fastening tape for a seat pad and a seat pad provided with the fastening tape, and the fastening tape for a seat pad attaching a seat cover to an outside of the seat pad, comprises: a holding sheet on one side of which a plurality of hooks to be connected to loops that are formed inside the seat cover are formed; and a connection member to be connected to the other side of the holding sheet for connecting the holding sheet to the seat pad, wherein the connection member comprises a connection portion that is connected to the holding sheet and provided with a plurality of ring portions, and a mesh portion that is connected to the ring portion, such that a gas produced when urethane is foamed to form the seat pad is discharged through the mesh portion and the ring portion. | 03-13-2014 |
Woo Jin Lee, Ulsan KR
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20100096422 | CROSS BAR OF ROOF CARRIER FOR VEHICLES - Disclosed herein is a cross bar of a roof carrier for vehicles. The cross bar may include a cross bar body. First and second brackets are provided on both ends of the cross bar body. First and second locking pins are provided, respectively, on the first and second brackets to be elastically ejected. A link is positioned in the first bracket and hinged to the first locking pin. A release lever includes a coupling part hinged to the link and installed via a rotating shaft, and a grip part exposed to the outside, so that when the release lever rotates, the link and the first locking pin are pulled into the cross bar body. A wire couples the coupling part of the release lever with the second locking pin. According to the present invention, the release lever is mounted to only one side and only one wire is used, thus reducing manufacturing costs. | 04-22-2010 |
Yong Gook Lee, Ulsan KR
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20130064624 | LOCK NUT AND A FASTENING UNIT COMPRISING THE SAME - The present invention relates to a lock nut which is fastened between a bolt and a nut and prevents the bolt and nut from loosening, comprising: a nut body having a fastening hole for fastening onto the bolt; a pair of first projecting parts which are formed projecting from one of the surfaces of the nut body and form a first slot having a first orientation such that the nut body can deform resiliently when the bolt and the nut are fastened; and a pair of second projecting parts which are formed projecting from the other surface of the nut body and form a second slot having a second orientation different from the first orientation, and the invention relates to a fastening unit comprising the lock nut; and provided is a bolt-and-nut loosening prevention structure having an improved loosening-prevention function. | 03-14-2013 |
Yong Ho Lee, Ulsan KR
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20130156136 | APPARATUS AND METHOD FOR ITERATIVE DETECTION AND DECODING IN WIRELESS COMMUNICATION SYSTEM - Provided is an apparatus and method for iteratively detecting and decoding a received signal in a wireless communication system. An apparatus for iterative detection and decoding (IDD) in a wireless communication system may determine a predetermined group to be updated in a first soft decision sequence, may transmit detection control information of the determined group, and may generate a second soft decision sequence based on a detection operation result of a predetermined received signal portion that is extracted based on the detection control information. | 06-20-2013 |
20140233680 | MAP DECODER HAVING LOW LATENCY AND OPERATION METHOD OF THE SAME - Provided is a maximum a posteriori (MAP) decoder having a low latency and an operation method of the MAP decoder, including a branch metric calculation block to calculate a branch metric based on a received signal, a processor control block to demultiplex a received signal in a certain trellis section, an Extrinsec vector, and the calculated branch metric value, and a processor to calculate a path metric entering each state node in a certain trellis section, compensate for the calculated path metric, and calculate a state metric to be applied to a next trellis section based on the compensated path metric. | 08-21-2014 |
Yong Hui Lee, Ulsan KR
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20120312375 | All-Solid-State Heterojunction Solar Cell - Provided is a highly efficient solar cell having a novel structure and excellent stability, and which may be mass-produced from an inexpensive material for enabling easy commercial availability thereof. More particularly, the solar cell of the present invention comprises: a porous inorganic electron-transporting layer containing metallic oxide particles; a light absorber containing inorganic semiconductors; and an organic hole transporting layer containing an organic photo-voltaic material. | 12-13-2012 |
20130065354 | Method for Manufacturing a Nanostructured Inorganic/Organic Heterojunction Solar Cell - Provided is a method for manufacturing a significantly high efficient solar cell having a novel structure and superior stability, and which can be mass-produced from an inexpensive material from an inexpensive material for enabling the easy commercial availability thereof. More particularly, the method of the present invention comprises the following step: (a) depositing slurry containing metal oxide particles and heat-treating the slurry to form a porous electron transporting layer; (b) forming inorganic semiconductors on surfaces of the metal oxide particles for the porous electron-transporting layer; and (c) impregnating the porous electron-transporting layer having the inorganic semiconductor formed thereon with a solution containing an organic photovoltaic material so as to form a hole transporting layer. | 03-14-2013 |
Young Seock Lee, Ulsan KR
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20100325858 | PRESS-FIT DEVICE - A press-fit device includes a base plate, a jig base and a robot mounted on the base plate, a press-fit unit mounted at a portion of the robot, a supporting plate mounted on the jig base, and a supporting block mounted to a side portion of the connecting frame. The supporting plate and block can support repulsive force that can be generated when the press-fit component is press-fitted to the press-fit object. | 12-30-2010 |