Choi, Ulsan
Chul Choi, Ulsan KR
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20140230458 | SYSTEM FOR SUPPLYING LIQUEFIED NATURAL GAS FUEL - Disclosed is an LNG fuel supply system, including: a fuel supply line connected from an LNG storing tank to an engine; a pump provided on the fuel supply line, and configured to change an LNG to the LNG in a supercooled liquid state by compressing the LNG discharged from the LNG storing tank at a high pressure; and a heat exchanger provided on the fuel supply line between the engine and the pump, and configured to phase change the LNG in the supercooled liquid state to the LNG in a supercritical state by heating the LNG in the supercooled liquid state supplied from the pump. | 08-21-2014 |
Chul Won Choi, Ulsan KR
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20090277573 | GLASS/POLYVINYLBUTYRAL LAMINATES HAVING DIRECTIONAL SURFACE PATTERNS AND A PROCESS FOR PREPARING SAME - De-airing of PVB/glass laminates can be improved, while haze in the pre-press is minimized and sleep time reduced as a result using a PVB sheet having a roughened surface with directionality. A roughened surface with a washboard pattern that is useful in this regard can be obtained by varying certain conditions of a melt-fracture extrusion process. | 11-12-2009 |
Eun Jeong Choi, Ulsan KR
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20140247858 | SUBSTRATE FOR SENSING BATTERY CELL - Provided is a substrate for sensing voltage and temperature of battery cells, and more particularly, a substrate for sensing battery cells firmly fixed to the battery cells by a clip coupling method and easily detached and attached therefrom. | 09-04-2014 |
Eunmi Choi, Ulsan KR
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20130191028 | GAIN-CORRECTED MEASUREMENTS - A method to obtain gain-corrected measurements. A measurement tool having one or more arrays is provided, wherein the arrays include two co-located triaxial transmitters and two co-located triaxial receivers. Measurements are obtained using the transmitters and the receivers. Impedance matrices are formed from the obtained measurements and the impedance matrices are combined to provide gain-corrected measurements. The apparatus may alternatively be a while-drilling logging tool having one or more arrays, wherein each array comprises a transmitter, a receiver, and a buck, and wherein the signal received by the receiver is subtracted from the signal received by the buck or vice versa. A slotted shield may be incorporated into either embodiment of the tool. The slots may form one or more island elements. A material is disposed in the slots. The islands and shield body have complementary tapered sides that confine the islands within the shield body. | 07-25-2013 |
Hee Young Choi, Ulsan KR
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20140374976 | Method for the Preparation of Microcellular Polyurethane Elastomers - This invention relates to a method of preparing a microcellular polyurethane elastomer by reacting naphthalene diisocyanate with a polyol to prepare a prepolymer containing an isocyanate (NCO) group, followed by mixing the prepared polyurethane prepolymer with a plasticizer, water, an emulsifier and the like, and then foaming the prepolymer blend to prepare a polyurethane elastomer, wherein the emulsifier is a mixture of (a) a compound selected from the group consisting of 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, 2,4-diphenylmethane diisocyanate, 4,4′-diphenylmethane diisocyanate, hexamethylene diisocyanate, 1,4′-cyclohexane diisocyanate and mixtures thereof, and (b) a C | 12-25-2014 |
Hong Kyu Choi, 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 |
Hye Min Choi, Ulsan KR
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20150152759 | WATER DISCHARGE SYSTEM FOR OIL RESERVE TANK - The present invention relates to a water drain system of an oil reserve tank, which comprises: an oil reserve tank; an oil and water separator for separating the drained water coming from the oil reserve tank; a drain pipe extended from the oil reserve tank to the oil and water separator, the drain pipe having a vertical part to form a step; and a water detection sensor installed in the vertical part. | 06-04-2015 |
Jae Ho Choi, Ulsan KR
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20140007914 | THERMOELECTRIC ELEMENTS USING METAL-INSULATOR TRANSITION MATERIAL - Provided is a thermoelectric device including a first electrode, a substrate electrically connected to the first electrode, a thin film on the substrate, and a second electrode on the thin film. The substrate and the thin film may be configured to exhibit a metallic property at a temperature over a critical temperature, thereby having a thermoelectric power of the device that is higher than that of a semiconductor junction. | 01-09-2014 |
Jae Kyung Choi, Ulsan KR
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20140131761 | GRAPHENE SHEET, TRANSPARENT ELECTRODE, ACTIVE LAYER INCLUDING THE SAME, DISPLAY, ELECTRONIC DEVICE, OPTOELECTRONIC DEVICE, BATTERY, SOLAR CELL, AND DYE-SENSITIZED SOLAR CELL INCLUDING THE ELECTRODE OR ACTIVE LAYER - The present invention relates to a graphene sheet and a transparent electrode, and an active layer including the same, and a display device, an electronic device, an optoelectronic device, a battery, a solar cell, and a dye-sensitized solar cell including these. The graphene sheet includes a lower sheet including 1 to 20 graphene layers, and a ridge formed on the lower sheet and including more graphene layers. The ridge has a metal grain boundary shape. | 05-15-2014 |
Jaesik Choi, Ulsan KR
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20150149495 | DATA REDUCTION METHODS, SYSTEMS, AND DEVICES - Systems, methods, and apparatus are disclosed herein for data pattern detection and data reduction. Devices include an input port configured to receive data values that include a plurality of data units. The devices may also include a data analyzer configured to determine a test statistic based on at least some of the plurality of data units, the test statistic indicating a degree of difference between a first data unit and at least a second data unit, the second data unit being received at the input port before the first data unit. The data analyzer includes the first data unit in a first data block responsive to a determination that the test statistic indicates a low degree of difference, the determination being based on a comparison with a designated difference threshold, the first data block being a same data block as a second data block that includes the second data unit. | 05-28-2015 |
Jeong Min Choi, Ulsan KR
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20150277891 | ELECTRONIC CONTROLLER SOFTWARE CODING SYSTEM AND METHOD FOR VEHICLE CONTROL - An electronic controller software coding system and method for a vehicle control are provided. The method includes registering by a management server, a new version software for a vehicle control in a database and automatically transmitting, by the management server, the registered new version software to a coding server located at a remote site. The coding server is configured to receive and store the new version software and detect whether the quality test result of the new version software is approved. In response to determining whether the quality test result is approved the coding server is configured to install the new version software in the corresponding electronic controller. | 10-01-2015 |
Jeong-Wook Choi, Ulsan KR
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20120064752 | FEMALE CONNECTOR ASSEMBLY - An assembly of a female connector, including: a housing including a casing having an opening formed in front of the casing so that a male connector is inserted in the opening, an internal body that includes one or more terminal-accommodating holes formed in the internal body and protrudes from a rear side of the casing towards a front of the housing, and a plurality of first combining portions that extend from the internal body to the front of the housing, each of the plurality of first combining portions including an extension groove formed in one side of each first combining potion so as to communicate with the one or more terminal-accommodating holes, wherein a first securing protrusion is disposed in the extension groove, and a first groove that is formed in one side of a terminal inserted through the one or more terminal-accommodating holes is secured in the first securing protrusion; and a front holder including a front portion having the number of a plurality of insertion holes corresponding to the number of the one or more terminal-accommodating holes formed in the front portion and a plurality of second combining portions corresponding to the number of the first combining portions that extend from the front portion towards a rear of the front holder, include a second securing protrusion that is formed to correspond to the first securing protrusions in an opposite direction to a direction in which the first securing protrusion is formed, in such a way that a second groove formed in the other side of the terminal is secured on an end part of each second combining portion, wherein, when the front holder is inserted in the opening and then is slid on a left or right side of each first combining portion so that the terminal-accommodating holes and the plurality of insertion holes are aligned with one another, the first securing protrusion and the second securing protrusion secure the first groove and the second groove, respectively, and the front holder is combined with the first combining portion. The terminal can be primarily secured by the first securing protrusion disposed on the housing and then can be secondarily secured by the second securing protrusion disposed on the front holder by sliding the front holder in left or right direction of a casing so that the front holder can serve as a terminal position assurance (TPA) and the terminal can be conveniently and stably secured. | 03-15-2012 |
20150236442 | WATERPROOF CONNECTOR FOR VEHICLE - A waterproof connector for a vehicle includes a front holder mounted on a front side of a main housing via a front seal for watertight, and having terminal-connecting holes. The front seal and the front holder are disposed inside the first mounting hole sequentially. An inner housing with a terminal is mounted to a rear side of the main housing and has terminal insertion holes. A subcover is disposed at a rear side of the inner housing. Each terminal has a connector portion disposed inside a terminal-connecting hole of the front holder, and a wire-welding portion is disposed inside a terminal insertion hole of the inner housing. Watertight and vibration-absorbing materials are attached to a lower side of an upper cover and an upper side of a lower cover of the subcover to protect the wire-welding portions of the terminals. | 08-20-2015 |
Jeong Yun Choi, Ulsan KR
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20160023269 | CASTING EQUIPMENT AND CASTING METHOD USING SAME - A casting equipment for producing a casting with a large cross-section for a very thick steel material includes: a casting part with a passage for a molten steel for casting the molten steel into a casting; a support part arranged separately from the casting part for receiving and supporting the casting in at least one of the sides of the casting; and a solidifying part arranged outside the casting provided with a first quality control device for solidifying the casting. A casting method includes: preparing a molten steel for casting; casting the molten steel in the casting part with the passage opened or closed into a casting; conveying the casting to the solidifying part; and conveying the solidified casting to a subsequent process so as to improve the quality of the casting, thus increasing substantially the yield rate of castings. | 01-28-2016 |
Joon Soo Choi, Ulsan KR
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20130315806 | SYSTEM FOR PRE-TREATING MALODOROUS SUBSTANCES IN POLLUTION CONTROL FACILITY - Provided is a system for pre-treating malodorous substances in a flushing pollution control facility, in which air polluted in a stage before the flushing pollution control facility is oxidized to decompose a gaseous pollution substance in the air, and then the gaseous pollution substance in absorbing liquid is oxidized, such that the malodor gathering capability of the absorbing liquid is improved, thereby enhancing the malodor removing efficiency of the flushing pollution control facility. To this end, the present invention provides a system for pre-treating malodorous substances in a flushing pollution control facility, the system including an oxidizer generating device for generating oxidizing water comprising an oxidizer, a turbulent flow forming device for forming a turbulent flow in exhaust gas introduced to the flushing pollution control facility, and an oxidizer spray device supplied with oxidizing water from the oxidizer generating device to spray the oxidizing water in an atomized form to the exhaust gas which flows in a turbulent flow state to the flushing pollution control facility, in which the exhaust gas is primarily oxidized by the oxidizer included in the oxidizing water sprayed to the exhaust gas, and absorbing liquid of the flushing pollution control facility is secondarily oxidized by the non-reacted oxidizer to decompose malodorous substances, thereby improving malodor removing efficiency. | 11-28-2013 |
Kwang Sul Choi, Ulsan KR
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20090166478 | Apparatus for Controlling Cable of Robot - Provided is an apparatus for controlling cables of a robot. The cable control apparatus includes: a body disposed above the arm and having a male rail formed in a length direction; a stationary unit fixed at an upper one side of the body and having a through-hole; a moving unit disposed on the male rail slidably in right and left directions and including a through-hole formed thereon and a female rail corresponding to the male rail; a cable tube for integrally housing a plurality of the cables and including one end fixed to the moving unit and the other end connected to the head through the through-hole of the stationary unit; and an elastic member externally inserted to the cable tube and including one end connected to the stationary unit and the moving unit. | 07-02-2009 |
20090255711 | Apparatus for Controlling Cable of Robot - The cable control apparatus includes a body disposed above the arm and a fixing ring having a through-hole fixed in the conveying hole; a conveying ring; a cable tube for integrally housing a plurality of control cables and including one end connected to the conveying ring with being inserted into the conveying hole of the body and the other end connected to the head of the industrial robot through the through-hole of the fixing ring; and a elastic member externally inserted to the cable tube and including one end connected to the fixing ring and the other end connected to the conveying ring for returning the cable tube to an original position through elastic force after the conveying ring slides the cable tube in order to sustain the cable tube between the arm and head not to be loosen. | 10-15-2009 |
Kyu-Chun Choi, Ulsan KR
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20090217478 | VACUUM CLEANER HAVING ABILITIES FOR AUTOMATIC MOVING AND POSTURE CONTROL AND METHOD OF CONTROLLING THE SAME - The present invention discloses a vacuum cleaner including a main body ( | 09-03-2009 |
Kyu Saeng Choi, Ulsan KR
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20090258985 | Compositions for humidity proof heat sealer having low specific gravity - The present invention relates to humidity-proof heat sealer compositions having low specific gravity, which comprise a polyvinyl chloride resin, a filler, a moisture absorbent, a plasticizer, an adhesion promoter, an additive, and so forth, for use in automotive steel sheet joints or outside panel joints. When compared with conventional sealer compositions, the present compositions provide improved humidity resistance, as well as improved fuel efficiency. | 10-15-2009 |
Moon Kyu Choi, Ulsan KR
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20150233093 | METHOD FOR CONTROLLING DRIVING FLOW OF WHEEL EXCAVATOR - The present invention controls a proportional control valve controlling the maximum flow of the flow pump to perform controlling the maximum flow of the hydraulic oil pump after checking whether the pump joint control is normal, receiving a flow value of the flow pump controlled by the proportional control valve, checking an error when the flow value received during a control of the maximum flow has an error, and assigning a weight value to the checked error to compensate for the flow value. Therefore, the present invention may decrease a number of an engine revolution speed and lower a driving fuel consumption and reduce a driving noise. | 08-20-2015 |
Mun Seok Choi, Ulsan KR
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20100288073 | STEERING WHEEL FOR AUTOMOBILE AND METHOD OF FABRICATING THE SAME - The present disclosure relates to a steering wheel for automobiles and a method of fabricating the same. The steering wheel is formed in multiple layers having a thickness difference of 2˜3 mm by multi-stage injection molding and has a pattern or picture between the layers to provide a luxurious and pleasant appearance. In the method, after being preheated in a dryer to remove moisture, a metal frame is subjected to primary to tertiary injection molding in a mold to form the multiple layers. Here, drying is performed to remove moisture from the surface of injection-molded parts to prevent deterioration in adherence and quality during the process. Here, the pattern or figure is inserted between the layers by pad printing or a combination of pad printing and vacuum deposition. The multi-stage injection molding allows various colors, patterns, and figures to be printed on injection-molded parts excluding the uppermost layer. | 11-18-2010 |
Myung Sung Choi, Ulsan KR
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20090153315 | Method for diagnosing error of vehicle electronic component - A method for diagnosing an error of a vehicle electronic component capable of being performed without an actual driving test by building up a database of unusual waveform data that generates an erroneous operation of a vehicle electronic component is disclosed. The unusual waveform data are obtained through a process simultaneously collecting input and output waveforms of a problematic component in operation in real time in a state where the problematic component is electrically connected to a vehicle; a process analyzing the output waveforms to obtain information on a point in time of generation of an unusual output waveform that causes an erroneous operation of the problematic component; and a process extracting input waveforms during a predetermined time before and after the point of time of generation of the unusual output waveform using the information on the point in time. | 06-18-2009 |
20090157374 | SIMULATION TEST SYSTEM AND METHOD FOR TESTING VEHICLE ELECTRONIC COMPONENT - Disclosed is a simulation test system and method for testing a vehicle electronic component capable of easily testing performance of the electronic component anytime regardless of location without repeating the same driving test. | 06-18-2009 |
Nak Woon Choi, Ulsan KR
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20140182486 | ADDITIVE FOR SKIM COAT MORTAR AND SKIM COAT MORTAR COMPOSITION CONTAINING THE SAME - Provided are an additive for skim coat mortar and a skim coat mortar composition including the same, and the additive is a blend of cellulose ether having hydroxyalkylalkyl cellulose cross-linked with an aldehyde compound and hydroxyalkyl cellulose cross-linked with an aldehyde compound. By applying the additive to a skim coat mortar composition, it is possible to improve workability, surface luster, and a creamy property while maintaining a water retention property. | 07-03-2014 |
Sang Ho Choi, Ulsan KR
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20090060079 | METHOD FOR DETECTING A SYMBOL USING TRELLIS STRUCTURE ON THE MULTIPLE INPUT MULTIPLE OUTPUT MOBILE COMMUNICATION SYSTEM - Disclosed is a method for detecting a symbol using a trellis structure on a multiple input multiple output (MIMO) mobile communication system. The method includes the steps of: setting a plurality of states by grouping symbols producible from a receiving signal in the unit of sub-states; calculating metric values for paths inputted to the sub-states and selecting paths having the calculated metric values smaller than a preset first threshold, as first surviving paths; setting a second threshold based on an accumulated metric value of a path having the smallest accumulated metric in each of the states; and selecting paths having metric value smaller than the second threshold, as second surviving paths, among the first surviving paths selected for each state. | 03-05-2009 |
Seung-Tae Choi, Ulsan KR
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20130264912 | METHOD OF MANUFACTURING PVDF-BASED POLYMER AND METHOD OF MANUFACTURING MULTILAYERED POLYMER ACTUATOR USING THE SAME - A method of manufacturing a polyvinylidene fluoride (PVDF)-based polymer film includes: applying a solution formed by dissolving a PVDF-based polymer in a solvent, on a first substrate; forming a PVDF-based polymer film by evaporating the solvent; bonding a support film on the PVDF-based polymer film; weakening an adhesive force between the PVDF-based polymer film and the first substrate; and separating the first substrate from the PVDF-based polymer film. | 10-10-2013 |
Sock Hwan Choi, Ulsan KR
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20100301073 | HIGH-HEAT-RETENTION LADLE FOR CARRYING MOLTEN ALUMINUM - A high-heat-retention ladle for carrying molten aluminum includes a ladle body defining therein a storage space, which contains molten aluminum therein, the ladle body including a molten metal inlet and a molten metal outlet, which allow the storage space to communicate with outside, a cover opening and closing the inlet of the ladle body, and a stopper opening and closing the outlet of the ladle body. Each of the ladle body and the cover has an outer shell, which defines a contour thereof, and a multi-layer insulation structure inside the outer shell. The multi-layer insulation structure includes two or more refractory layers. The molten aluminum contained inside the storage space has a temperature drop rate of 5° C./min or less. It is possible to carry the molten aluminum for a long time in a heat-insulated state and cast a product by directly pouring the molten aluminum into a mold. | 12-02-2010 |
Sung-Hwan Choi, Ulsan KR
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20150098871 | POLYSILICON MANUFACTURING DEVICE - The present disclosure in an exemplary embodiment relates to an apparatus for manufacturing polysilicon. The apparatus for manufacturing polysilicon comprises a base plate; a container body coupled to the base plate; at least one rod; a reaction gas source and a power supply. The at least one rod is configured to have legs respectively connected with three electrodes installed on the base plate and to be disposed in the container body. The reaction gas source is configured to communicate with the container body for supplying a reaction gas into the container body. The power supply is configured to connect with the electrodes for supplying an electric current to energize the rod to generate heat. | 04-09-2015 |
Sungyoul Choi, Ulsan KR
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20130063019 | VACUUM WINDOW WITH EMBEDDED INFORMATION DISPLAY - Disclosed are a semiconductor apparatus and a manufacturing method thereof. The manufacturing method of the semiconductor apparatus includes: forming a semiconductor chip on a semiconductor substrate; adhering a carrier wafer with a plurality of through holes onto the semiconductor chip; polishing the semiconductor substrate; forming a first via hole at the rear side of the polished semiconductor substrate; forming a first metal layer below the polished semiconductor substrate and at the first via hole; and removing the carrier wafer from the polished semiconductor substrate. | 03-14-2013 |
20130195254 | X-RAY CONTROL UNIT USING MONOCRYSTALLINE MATERIAL - An X-ray control unit using a monocrystalline material which controls only a specific wavelength of X-rays, by using the monocrystalline material as a filter. The X-ray control unit includes a light source configured to generate X-rays, an X-ray control filter formed of a monocrystalline material having grown in one direction and configured to filter the X-rays generated by the light source to reflect and transmit characteristic X-rays, and an adjustor configured to adjust the light source and the X-ray control filter to arbitrary angles. Since X-rays having a specific wavelength can be selectively used by using a filter, the X-rays can be easily controlled and their intensity can be easily regulated. A characteristic line of the X-rays can be controlled and their intensity can be regulated without directly controlling an X-ray source. | 08-01-2013 |
20130271037 | CURRENT CONTROLLING DEVICE AND ELECTRIC FIELD EMISSION SYSTEM INCLUDING THE SAME - Provided is a current controlling device for controlling an electric field emission current in connection with an electric field emission device which emits electrons in response to an applied voltage, the device including: a first current controlling transistor forming a current path in response to a first gate voltage; a second current controlling transistor connected between the field emission device and the first current controlling transistor and forming a current path in response to a second gate voltage; and a control logic controlling the first and second gate voltages, wherein the control logic controls a upper limit of the field emission current by using the first gate voltage. | 10-17-2013 |
20130336459 | FIELD EMISSION X-RAY TUBE AND METHOD OF FOCUSING ELECTRON BEAM USING THE SAME - Provided is a field emission X-ray tube. The field emission X-ray tube includes a cathode electrode provided on one end of a vacuum container, including a field emission emitter; a gate electrode provided inside the vacuum container to be adjacent to the cathode electrode, including a first opening; a focusing electrode electrically connected to the gate electrode and provided on one surface of the gate electrode to be farther from the cathode electrode than the gate electrode while including a second opening with a greater width than that of the first opening; and an anode electrode provided inside the vacuum container on another end thereof in a direction where the vacuum container is extended. A height of the focusing electrode is identical to the width of the second opening, and wherein the width of the first opening is ⅓ or less of the second opening. | 12-19-2013 |
20130336461 | X-RAY TUBE AND METHOD OF CONTROLLING X-RAY FOCAL SPOT USING THE SAME - An X-ray tube is provided. The X-ray tube includes a cathode electrode which is disposed in one end of a vacuum container and includes an emitter emitting an electron; a gate electrode which is disposed in the vacuum container to be adjacent to the cathode electrode; an anode electrode which is disposed in the vacuum container of the other end of a direction in which the vacuum container extends and inclines with respect to the cathode electrode; and a focusing electrode which is disposed in the vacuum container along an inner circumference surface of the vacuum container between the gate electrode and the anode electrode. The focusing electrode has an opening of which a plan cross section has a maximum width and a minimum width different from each other. | 12-19-2013 |
20140111081 | FIELD EMITTER ELECTRODE AND METHOD OF MANUFACTURING THE SAME - Disclosed is a field emitter electrode including a bonding unit formed on a substrate, and a plurality of carbon nanotubes fixed to the substrate by the bonding unit, in which the bonding unit includes a carbide-based first inorganic filler and a second inorganic filler formed of a metal. | 04-24-2014 |
20140161232 | X-RAY TUBE - An X-ray tube is provided. The X-ray tube includes a first housing including an X-ray window formed therein, a second housing being rotatable about a rotational shaft installed within the first housing, an anode installed on the rotational shaft within the second housing and positioned in one side of the rotational shaft in an extending direction of the rotational shaft, an emitter installed on the rotational shaft within the second housing, positioned in the other side of the rotational shaft in the extending direction of the rotational shaft, and emitting electron beams, a lens unit installed between the anode and the emitter and focusing the electron beams emitted from the emitter to the anode, and an electron beam deflection unit installed on the rotational shaft to deflect an angle of electron beams moving toward the anode from the lens unit. | 06-12-2014 |
20140369460 | METHOD AND APPARATUS FOR GENERATING X-RAYS IN COMPUTER TOMOGRAPHY SYSTEM - A method and apparatus for generating X-rays that can acquire an X-ray image of a subject at a high speed are provided. When a CT system checks a subject, the CT system can acquire an X-ray image of the subject through rotating X-rays that are emitted from the X-ray generating apparatus and thus an | 12-18-2014 |
20150063549 | X-RAY TUBE HAVING ANODE ELECTRODE - Provided is an X-ray tube. The X-ray tube includes an electrode on which an electron beam impacts to generate an X-ray, and a window on which the electrode is disposed and through which the X-ray generated from the electrode is transmitted. The electrode includes a channel passing through the electrode, and the electron beam is provided into the channel to generate the X-ray. | 03-05-2015 |
20150146865 | FIELD EMISSION DEVICE HAVING FIELD EMITTER INCLUDING PHOTOELECTRIC MATERIAL AND METHOD OF MANUFACTURING THE SAME - Provided are a field emission device and a method of manufacturing the same. The field emission device includes an anode electrode and a cathode electrode which are opposite to each other, a counter layer provided on the anode electrode, and a field emitter provided on the cathode electrode and facing the counter layer. Herein, the field emitter includes a carbon nanotube emitting cold electrons and a photoelectric material emitting photo electrons. | 05-28-2015 |
20150216025 | METHOD FOR DRIVING MULTI ELECTRIC FIELD EMISSION DEVICES AND MULTI ELECTRIC FIELD EMISSION SYSTEM - Provided is a method of driving multi electrical field emission devices. The method includes: respectively connecting first current control circuit devices for current path formation to a plurality of electric field emission devices; commonly connecting a second current control circuit device to the first current control circuit devices to commonly control the first current control circuit devices; and driving the first current control circuit devices at different timings when the second current control circuit device is driven. | 07-30-2015 |
Sung Youl Choi, Ulsan KR
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20130074918 | VACUUM WINDOW GLAZING INCLUDING SOLAR CELL AND MANUFACTURING METHOD THEREOF - Disclosed are vacuum window glazing including a solar cell function and a manufacturing method thereof. The vacuum window glazing includes a first sheet glass, a second sheet glass that is vacuum-bonded to the first sheet glass; a vacuum layer that is formed between the first sheet glass and the second sheet glass; and a solar cell panel that is formed on a surface of the second sheet glass in a direction of the vacuum layer. By this configuration, power can be produced through the solar cell formed within the vacuum window glazing while more increasing the heat insulation effect of the vacuum window glazing, and the cooling and heating efficiency of the building can be greatly improved using the outer wall covered with glass. | 03-28-2013 |
Su-Yun Choi, Ulsan KR
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20130341972 | ROLLER BLIND APPARATUS FOR PANORAMIC SUNROOFS - A roller blind apparatus for panoramic sunroofs, in which front and rear roller blinds can be opened or closed by respective motors, thereby providing more convenience to a user. The apparatus includes front and rear roller blinds; a first drive means generating drive power for opening or closing the front roller blind; a second drive means generating drive power for opening or closing the rear roller blind such that the rear roller blind can be operated separately from the front roller blind; a power transmission unit that transmits the drive power of the first drive means so as to allow a moving glass to be operated in conjunction with the opening/closing motion of the front roller blind; and a control unit that controls a supply of electric power to the first and second drive means so as to control the motions of the front and rear roller blinds. | 12-26-2013 |
20130341973 | TWO-WAY INTERLOCK SLIDING SYSTEM AND ROLLER BLIND APPARATUS HAVNIG THE SAME - A two-way interlock sliding system and a roller blind apparatus having the system, which has a power transmission unit causing two drive units to interlock-slide using one motor, thereby realizing a simple construction of the apparatus. The roller blind apparatus includes a front roller blind provided in a sunroof of a vehicle, a rear roller blind interlocked with the front roller blind so as to be opened or closed simultaneously with the front roller blind; a drive means generating drive power; a moving glass operated in conjunction with opening or closing motions of the two roller blinds; a power transmission unit for transmitting the power of the drive means such that the moving glass can be operated in conjunction with the opening or closing motions of the two roller blinds; and a control unit for controlling the drive means so as to control operations of the two roller blinds. | 12-26-2013 |
Woo-Hyuk Choi, Ulsan KR
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20110071262 | METHOD FOR PREPARING HIGH-PURITY POLYETHYLENEGLYCOL ALDEHYDE DERIVATIVES - A method for preparing high-purity polyethyleneglycol-alkylenealdehydes and derivatives thereof is provided. | 03-24-2011 |
Woon-Sun Choi, Ulsan KR
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20110045111 | COMPOSITION COMPRISING THE EXTRACTS OF LINDERA OBTUSILOBA FOR PREVENTION AND TREATMENT OF CARDIOVASCULAR DISEASES - The present invention relates to a composition for treatment and prevention of cardiovascular diseases, containing an extract of | 02-24-2011 |
20140242632 | HYDROGEL PATTERNING AND TRANSFERRING METHOD OF CELLS, AND CELL-BASED BIOSENSOR USING SAME - Provided are a hydrogel-encapsulated cell patterning and transferring method comprising: preparing a substrate having a hydrogel-encapsulated cell patterning comprising a first cell and an alginate hydrogel; preparing an agarose hydrogel substrate comprising agarose hydrogel and any one of a second cell and a physiological active substance; and disposing the substrate having the hydrogel-encapsulated cell patterning on the agarose hydrogel substrate and transferring the cell patterning and a biosensor comprising: a first substrate having a hydrogel-encapsulated cell patterning comprising a first cell and an alginate hydrogel; and an agarose hydrogel second substrate comprising agarose hydrogel and any one of a second cell and a physiological active substance. | 08-28-2014 |
Yonghoon Choi, Ulsan KR
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20160065648 | ELECTRONIC DEVICE AND METHOD OF EXECUTING FUNCTION THEREOF - A method for executing a function of an electronic device is provided. The method includes identifying data of a first application, determining at least one second application in response to a user event and identifying an attribute of each of the at least one second application, and processing the data of the first application based on the attributes of the each of the at least one second application to execute a function related to at least one second application. But, the method is not limited to the above-mentioned embodiment, and other embodiments are possible. | 03-03-2016 |
Yong Sik Choi, 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 |
Young Hak Choi, Ulsan KR
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20140119874 | CHASSIS ASSEMBLY SYSTEM OF AUTOMOTIVE ASSEMBLING LINE - Disclosed herein is a chassis assembly device of a vehicle assembly line used to assemble a plurality of components on a vehicle body in an assembly process including a main lift disposed on a carriage and configured to move along a carriage line, support a vehicle body, and lift upward or downward; and a sub lift unit disposed on the carriage to lift the plurality of components to an assembly position of the vehicle body. | 05-01-2014 |
Yun Ho Choi, Ulsan KR
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20120163416 | PULSE GENERATOR OF UWB SYSTEM - A pulse generator of an ultra wideband (UWB) system includes: a plurality of delay cells for receiving pulses, delaying the received pulses for a predetermined time, and outputting the delayed pulses; and an edge combiner connected to output ends of the plurality of delay cells for receiving the delayed pulses from the plurality of delay cells, outputting fine pulses corresponding to the delayed time, and generating one impulse signal with the outputted fine pulses. The edge combiner includes a plurality of XOR gates for receiving a first delayed pulse and a second delayed pulse from an n | 06-28-2012 |
20140361822 | FINE PULSE GENERATOR AND METHOD FOR GENERATING FINE PULSE - There are provided a pulse generator capable of securing a maximum transfer rate of an IR-UWB signal, while maintaining low power consumption characteristics of an all-digital scheme, and a method for generating a fine pulse. A bandwidth of a fine pulse is determined by adjusting a difference in delay time between two adjacent pulses and a pulse is generated by selecting only one of a rising edge and a falling edge of an input pulse, and thus there is no need to remove an unnecessary batch of pulses afterwards and a transfer rate is enhanced. | 12-11-2014 |