Choi, Yuseong-Gu
Bum Suk Choi, Yuseong-Gu KR
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20110090310 | METHOD AND APPARATUS FOR REPRODUCING ADAPTIVE MOTION EFFECT USING SCHEMA STRUCTURE INDICATING INFORMATION ASSOCIATED WITH PERFORMANCE OF MOTION DEVICE - Provided is an apparatus for reproducing an adaptive motion effect, including: a media processing module to separate, from multimedia content comprising information associated with a motion effect applied to each scene of content, information associated with the motion effect; a motion effect adaptation module to convert information associated with the motion effect to adaptive control information acceptable by a motion apparatus reproducing the motion effect, based on a metadata schema indicating information associated with a capability of the motion apparatus; and an apparatus control module to generate a signal for controlling the motion apparatus based on the adaptive control information. | 04-21-2011 |
20110093092 | METHOD AND APPARATUS FOR CREATING AND REPRODUCING OF MOTION EFFECT - Provided is an apparatus for generating and reproducing a motion effect, including: a receiving module to receive a signal with respect to a motion apparatus providing a motion to a user; a generating module to generate a control signal with respect to the motion apparatus according to the signal with respect to the motion apparatus, based on tables where schemas indicating a conceptual motion effect with respect to the motion apparatus are stored; and a transmitting module to transmit the control signal to the motion apparatus. | 04-21-2011 |
Byungjin Choi, Yuseong-Gu KR
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20120189883 | BATTERY CELL WITH SMALL GROOVE AT SURFACE AND BATTERY PACK INCLUDING THE SAME - Disclosed herein is a battery cell including an electrode assembly of a cathode/separator/anode structure mounted in a receiving part of a battery case (cell case). The cell case is provided, at a predetermined region of the cell case corresponding to the upper end interface of the electrode assembly while the electrode assembly is mounted in the receiving part, with a small groove for pressing against the upper end of the electrode assembly to prevent the upward movement of the electrode assembly. The small groove is continuously formed in parallel with the upper end of the electrode assembly. | 07-26-2012 |
Byung-Oh Choi, Yuseong-Gu KR
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20090232681 | ULTRASONIC PIEZOELECTRIC PUMP - Disclosed is an ultrasonic piezoelectric pump in which a piezoelectric pump is integrated with a fluid pipe without a check valve so that the structure can be simplified. The pump includes a fluid pipe having a hollow part formed therein to permit a fluid to flow from a fluid source, a piezoelectric actuator inserted into the hollow part and including a piezoelectric device and a plurality of fluid holes, a controller connected to a lead wire to apply a driving power to the piezoelectric device, and a tapered nozzle inserted into the hollow part in front of the piezoelectric actuator and tapered forward and downwardly. | 09-17-2009 |
Cheol Choi, Yuseong-Gu KR
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20090296772 | HEAT TRANSFER EVALUATING APPARATUS - Disclosed is a heat transfer evaluation apparatus of a nano-fluid including: a long pipe formed as a circular pipe; a rub tube connected to one end of the long pipe to surround the outer surface of the long pipe; a short pipe communicated through the rub tube; and a hot wire sensor formed of a metal hot wire at one end of the short pipe. | 12-03-2009 |
Chul June Choi, Yuseong-Gu KR
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20120138549 | PHOTOVOLTAIC MODULE ATTACHED TO GUARDRAIL - Power generation using sunlight comprising: an upper fixing-frame rotatably installed at an upper-shaft attached to a cell-guardrail; a lower fixing-frame rotatably installed at a lower-shaft parallel to a lower-part of the upper-shaft; a main-link including one end installed at the upper-shaft, the other end installed at the lower-shaft; a sub-link including one end installed at the upper fixing-frame, the other end installed at the lower fixing-frame; and an actuator including one end installed at the lower-shaft. A four-bar link is formed with the upper fixing-frame, the lower fixing-frame, the main-link, and the sub-link. A photovoltaic module generating power from sunlight installed at a building, bridge, park, and the like as a result of the configuration above is contemplated herein. The solar cell panel has an angle facing sunlight that can be easily adjusted to enhance photovoltaic efficiency. The construction can display a luxurious image by providing an elegant appearance. | 06-07-2012 |
20120152469 | PHOTOVOLTAIC BLIND WINDOW - The present invention relates to a building integrated photovoltaic (BIPV) system, and more specifically, to a photovoltaic blind window having a photovoltaic cell applied to an electric blind. The photovoltaic blind window of the invention comprises: a multilayered glass composed of a pair of plate glass sheets that are connected to each other with a spacer to form an inner space between the plate glass sheets; an electric blind placed in the inner space of the multilayered glass, the blind having a plurality of slats elevating or tilting by the rotation of a drive motor; a plurality of photovoltaic cells arranged on at least one side of the slat; and a storage battery for storing electricity that is generated by the photovoltaic cells. | 06-21-2012 |
Dai-Seung Choi, Yuseong-Gu KR
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20120010381 | COMPOUND HAVING PHOTOREACTIVE FUNCTIONAL GROUP, PHOTOREACTIVE POLYMER, AND ALIGNMENT FILM COMPRISING THE SAME - The present invention relates to a specific photoreactive polymer that shows excellent alignment stability and thermal stability together with excellent liquid crystal alignment, thereby being desirably used in an alignment film of a liquid crystal display device, a compound having a photoreactive functional group that is used as a monomer for the preparation of the photoreactive polymer, and an alignment film. | 01-12-2012 |
20120015116 | PHOTOREACTIVE POLYMER AND PREPARATION METHOD THEREOF - This disclosure relates to photoreactive polymer exhibiting more rapid photoreaction speed and excellent alignment, a preparation method thereof, and an alignment layer comprising the same. The photoreactive polymer comprises a specific repeat unit including an azo type functional group in the content of 50 mole % or more of the total polymer. | 01-19-2012 |
20120021141 | COMPOSITION FOR LIQUID CRYSTAL ALIGNMENT LAYER AND LIQUID CRYSTAL ALIGNMENT LAYER - The present invention relates to a composition for liquid crystal alignment layer used to provide a liquid crystal alignment layer that exhibits excellent alignment and maintains stable alignment without disturbance despite external stress such as electrical/thermal stress, a liquid crystal alignment layer, and a liquid crystal cell. The composition for liquid crystal alignment layer comprises a norbornene-based polymer having a photoreactive group, a binder, a reactive mesogen, and a photoinitiator. | 01-26-2012 |
Ho Yeul Choi, Yuseong-Gu KR
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20120149859 | LATEX FOR DIP MOLDING, COMPOSITION FOR DIP MOLDING, PREPARATION METHOD OF DIP MOLDED PRODUCT, AND DIP MOLDED PRODUCT PREPARED THEREBY - Provided are a latex for dip molding, a composition for dip molding, a preparation method of a dip molded product, and a dip molded product prepared thereby. The latex for dip molding includes a conjugated diene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer, wherein the latex further includes sodium methallyl sulfonate as a copolymerizable ionic monomer. A dip molded product having excellent tensile strength, elongation, and touch may be obtained from a composition using the latex according to the present invention, and the generation of limitations, such as non-uniformity of physical properties and difficulties in product management, may be prevented. | 06-14-2012 |
Hyeon Choi, Yuseong-Gu KR
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20110017726 | HEATING ELEMENT AND MANUFACTURING METHOD THEREOF - Provided are a heating element that includes: a transparent substance; a conductive heating line that is provided on at least one side of the transparent substance; bus bars that is electrically connected to the conductive heating line; and a power portion that is connected to the bus bars, wherein 30% or more of the entire area of the transparent substance has a conductive heating line pattern that is formed of closed figures where a distribution is continuous and a ratio (area distribution ratio) of a standard deviation in respects to an average value of areas of the closed figures is 2% or more, and a method for manufacturing the same. | 01-27-2011 |
20120187821 | ELECTRICAL CONDUCTOR AND A PRODUCTION METHOD THEREFOR - Provided are an electrical conductor and a production method therefor; the electrical conductor comprising a transparent substrate and an electro-conductive pattern provided on at least one surface of the transparent substrate, and the electroconductive pattern being of a type such that, for at least 30% of the entire surface area of the transparent substrate, when a straight line is drawn intersecting the electroconductive pattern, the ratio of the standard deviation to the mean value of the distances between adjacent points of intersection between the straight line and the electroconductive pattern (the distance distribution ratio) is at least 2%. Also, provided are an electrical conductor and a production method therefor; the electrical conductor comprising a transparent substrate and an electroconductive pattern provided on at least one surface of the transparent substrate, and the electroconductive pattern being of a type such that at least 30% of the entire surface area of the transparent substrate is accounted for by continuously distributed closed motifs, and the ratio of the standard deviation to the mean value of the surface areas of the closed motifs (the surface area distribution ratio) is at least 2%. | 07-26-2012 |
20120219782 | POROUS STRUCTURE FOR FORMING ANTI-FINGERPRINT COATING, METHOD OF FORMING ANTI-FINGERPRINT COATING, SUBSTRATE COMPRISING THE ANTI-FINGER-PRINT COATING FORMED BY THE METHOD, AND PRODUCT COMPRISING THE SUBSTRATE - Provided are a porous structure for forming anti-fingerprint coating capable of providing a self-cleaning function to a surface of a substrate, a method of forming anti-fingerprint coating using the same, an anti-fingerprint coated substrate prepared by the same method, and a product including the same. When the porous structure including a lipolytic enzyme is formed on the surface of the substrate, contaminants decomposed by an enzyme are absorbed into a pore, and thus anti-fingerprint coating may be more effectively performed to remove detectable contamination from a surface of the substrate. As a result, contamination by fingerprints on the surface of a display device, the appearance of an electronic device, or building materials can be effectively reduced. | 08-30-2012 |
20120327613 | CONDUCTIVE SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure discloses a conductive substrate with a conductive pattern formed on a float glass and a method for manufacturing the same, which can prevent a yellowing phenomenon from occurring in the float glass during firing of the conductive substrate. The method for manufacturing the conductive substrate according to the present disclosure includes manufacturing a float glass by injecting molten glass onto a molten tin contained in a float bath, removing a top face of the float glass not contacting the molten tin, by a predetermined thickness, and forming a conductive pattern on the top face of the float glass, which was removed by a predetermined thickness. | 12-27-2012 |
Hyung Kyu Choi, Yuseong-Gu KR
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20090156751 | Aromatic Organosulfur Functionalized 1,4-cis Polybutadiene - The present invention relates to a preparation method of aromatic organosulfur functionalized 1,4-cis polybutadiene comprising: polymerizing 1,3-butadiene or butadiene derivative in the presence of a specific catalyst in a nonpolar solvent to prepare 1,4-cis polybutadiene; and reacting the resultant polybutadiene with an aromatic organosulfur compound. Such prepared aromatic organosulfur functionalized 1,4-cis polybutadiene is without ultrahigh molecular weight region and, thus, has narrow molecular weight distribution. | 06-18-2009 |
20100184922 | ORGANIC-INORGANIC NANO COMPOSITES AND PREPARATION METHOD THEREOF - Provided is an organic-inorganic nano composite, and more particularly, an organic-inorganic nano composite including: a styrene-butadiene copolymer; an acryl-based monomer; a living radical polymerization initiator; silica; and a coupling agent, in which radiality is maximized. The organic-inorganic nano composite is prepared using a method comprising: preparing a spherical styrene-butadiene copolymer; preparing a nano-sized spherical styrene-butadiene-acrylate copolymer using living radical polymerization of the spherical styrene-butadiene copolymer and an acryl-based monomer; and preparing a composite by coupling the nano-sized spherical styrene-butadiene-acrylate copolymer and silica using a coupling agent. The organic-inorganic nano composite has excellent tensile and tear properties, and high wet traction capability. Thus, if the organic-inorganic nano composite according to the present invention is applied to organic filler for tires, rolling resistance can be decreased and wet traction capability can be increased, and the organic-inorganic nano composite can be efficiently applied to a hard coating material as well. | 07-22-2010 |
Im Goo Choi, Yuseong-Gu KR
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20090053608 | Anode active material hybridizing carbon nanofiber for lithium secondary battery - The present invention provides a composite silicon anode material hybridizing carbon nanofiber for lithium secondary battery prepared by the steps comprising: i) preparing a support made by amorphous silicon alloy after processing amorphous silicon and metal; ii) dispersing the catalyst selected from Fe, Co, Ni, Cu, Mg, Mn, Ti, Sn, Si, Zr, Zn, Ge, Pb or In on the surface of said support made by amorphous silicon alloy; and iii) growing the carbon nanofiber using a carbon source selected from carbon monoxide, methane, acetylene or ethylene on said support by a chemical vapor deposition method, wherein the amount of grown carbon nanofiber is 1˜110 wt % of the amount of said support. | 02-26-2009 |
In Mook Choi, Yuseong-Gu KR
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20090072836 | PRESSURE SENSOR USING FIELD EMISSION OF CARBON NANO-TUBE - Disclosed is an ion gage using a carbon nano-tube, more specifically a pressure sensor using a field emission of the carbon nano-tube. An array of carbon nano-tubes is formed on a metallic layer. A first grid is disposed on the array of the carbon nano-tubes. A second grid is disposed on the first grid in such a manner as to be spaced apart by a certain desired distance from the first grid. A collector is disposed on the second grid in such a manner as to be spaced apart by a certain desired distance from the second grid. Electrons emitted from the carbon nano-tube are collided with gas molecules to be ionized. The ionized cation is sensed by the collector to be outputted as an electrical signal. | 03-19-2009 |
Inpyo Choi, Yuseong-Gu KR
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20120308676 | ANTIVIRAL COMPOSITION CONTAINING AN ALEURITES FORDII OR DAPHNE KIUSIANA EXTRACT OR A FRACTION THEREOF AS AN ACTIVE INGREDIENT - The present invention relates to an antiviral composition containing an | 12-06-2012 |
Jae-Hyuk Choi, Yuseong-Gu KR
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20100123667 | Touch input device, portable device using the same and method of controlling the same - Provided are a touch input device capable of acquiring information on whether a pointing object touches a touch panel, information on a touch point of the pointing object touching the touch panel and information on the magnitude of touch force of the pointing object and a method of controlling the same. The touch input device includes a touch panel having a plurality of electrically separated upper electrode strips formed on one side thereof and touched by a pointing object, a first switch electrically connecting the plurality of upper electrode strips to form a single electrode or two electrodes, and an information generator generating at least one of information on a touch point of the pointing object and information on the magnitude of touch force of the pointing object and information on whether the pointing object approaches the touch panel on the basis of a signal received from the touch panel according to a switched state of the first switch. | 05-20-2010 |
Jong-Rak Choi, Yuseong-Gu KR
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20110196530 | APPARATUS AND METHOD FOR AUTOMATICALLY LOADING DRUMS INTO DRUM CONTAINER - An apparatus and method for automatically loading drums into a drum container, in which, when the drums filled with radioactive waste are loaded into the drum container, the drums are fed to a designated position, and placed at a fixed position, reducing loading time and manpower as well as minimizing radiation exposure risk associated with radioactive waste treatment. The apparatus includes a drum feeder having conveyor modules transferring the drums and a turntable rotating a drum transferred to an orientation where the drum can be gripped, for sequentially loading the drums, a support frame on which a lid of the drum container is placed when the drums are being loaded, and a crane that grips and transfers the drum or the drum container lid. | 08-11-2011 |
Junghoon Choi, Yuseong-Gu KR
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20120132583 | FLUORINE-BASED HOLLOW-FIBER MEMBRANE AND A PRODUCTION METHOD THEREFOR - The present invention relates to a fluorine-based hollow-fiber membrane and to a production method therefor. The present invention provides: a fluorine-based hollow-fiber membrane which exhibits a sponge-like pore structure even though it has an asymmetrical structure; and a production method therefor. Consequently, the present invention can provide: a fluorine-based hollow-fiber membrane with an outstanding filtering performance and backwash performance despite also having excellent mechanical strength; and a production method therefor. | 05-31-2012 |
Jung-Min Choi, Yuseong-Gu KR
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20110121272 | ORGANIC LIGHT EMITTING DEVICE, LIGHTING APPARATUS INCLUDING ORGANIC LIGHT EMITTING DEVICE, AND ORGANIC LIGHT EMITTING DISPLAY APPARATUS INCLUDING ORGANIC LIGHT EMITTING DEVICE - An organic light emitting device having increased outcoupling efficiency, a lighting apparatus including the organic light emitting device, and an organic light emitting display apparatus including the organic light emitting device. The organic light emitting device includes a substrate, a first electrode layer that is uniformly patterned on the substrate, a low refractive conductive layer disposed on the first electrode layer, and having a conductive material with a lower refractive index than a refractive index of an organic layer that is disposed on the low refractive conductive layer, and a second electrode layer formed on the organic layer. | 05-26-2011 |
20120268144 | TOUCH SENSING CIRCUIT - A touch sensing circuit detects a difference in variation of coupling capacitances between mutually adjacent driving electrodes through the use of a differential amplifier, and senses whether or not a touch is made on a touch screen panel, thereby being capable of removing display noise. | 10-25-2012 |
Jun-Han Choi, Yuseong-Gu KR
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20130043737 | WIRELESS POWER RECEIVER FOR CONTROLLING WIRELESS POWER BY USING SWITCH - A wireless power receiver for wirelessly receiving a supply of power from a wireless power supplier is disclosed. The wireless power receiver includes a power reception unit for wirelessly receiving wireless power from the wireless power supplier; a rectifier for rectifying the wireless power into power including a DC waveform; a power adjustor for configuring a closed loop with the power reception unit for a first period and transferring the wireless power to the rectifier for a second period to adjust a size of the wireless power; and a controller for determining the first period and the second period, wherein the power adjustor is electrically connected to the power reception unit and the rectifier. | 02-21-2013 |
Jun Kyun Choi, Yuseong-Gu KR
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20140289366 | SERVICE PROVIDING METHOD AND SYSTEM FOR INSTANCE HOSTING - A service providing method and system for instance hosting is disclosed. A service providing system including an instance hosting gateway may include: a network adaptor configured to receive data by connecting to at least one physical node over a wired/wireless network; and an instance manager configured to manage at least one process and a profile provided with respect to at least one of a process node deployed in a process form and the physical node, and to connect the received data or data transferred from the process node to at least one instance using the profile and the at least one process. | 09-25-2014 |
Jun-Seon Choi, Yuseong-Gu KR
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20110172483 | OXIDE CATALYST AND PHOSPHORIC OXIDE CATALYST FOR HYDROCARBON STEAM CRACKING, METHOD FOR PREPARING THE SAME AND METHOD FOR PREPARING OLEFIN BY USING THE SAME - The present invention relates to an oxide catalyst and a phosphoric oxide catalyst for hydrocarbon steam cracking, method for preparing the same and a method for preparing olefin by using the same. More precisely, the present invention relates to an oxide catalyst for hydrocarbon steam cracking represented by formula 1 and a phosphoric oxide catalyst for hydrocarbon steam cracking represented by formula 3 which would be used for the production of olefin such as ethylene and propylene by hydrocarbon steam cracking, and a method for preparing the same. The present invention provides an oxide catalyst and a phosphoric oxide catalyst for hydrocarbon steam cracking that has excellent thermo-stability at high temperature and improved olefin yield. | 07-14-2011 |
Key-Sun Choi, Yuseong-Gu KR
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20100114563 | REAL-TIME SEMANTIC ANNOTATION SYSTEM AND THE METHOD OF CREATING ONTOLOGY DOCUMENTS ON THE FLY FROM NATURAL LANGUAGE STRING ENTERED BY USER - Disclosed herein are a real-time semantic annotation system and a method of converting user-entered natural language strings into semantically-readable knowledge structure documents using the system in real time. The real-time semantic annotation system includes a natural language character string input device for enabling a user to enter natural language character strings, a character string pattern triplet-mapping table for storing natural language character string patterns and their corresponding triplets, a triplet extraction device for converting the entered natural language character strings into triplets by analyzing and processing the entered natural language character strings using the pattern-triplet mapping table, an alternative word recommendation device for providing notification that a user should enter an alternative word, and a machine-readable document generation device for generating machine-readable documents from the triplets using a semantically-readable knowledge structure. | 05-06-2010 |
Kwang-Seong Choi, Yuseong-Gu KR
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20100142115 | BURIED CAPACITOR, METHOD OF MANUFACTURING THE SAME, AND METHOD OF CHANGING CAPACITANCE THEREOF - Provided are a buried capacitor, a method of manufacturing the same, and a method of changing a capacitance thereof. The buried capacitor includes an upper electrode including at least one first hole, a lower electrode including at least one second hole, and a dielectric interposed between the upper electrode and the lower electrode. | 06-10-2010 |
Kwangshik Choi, Yuseong-Gu KR
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20140038047 | BINDER FOR ELECTRODE OF LITHIUM RECHARGEABLE BATTERY AND ELECTRODE FOR RECHARGEABLE BATTERY COMPRISING THE SAME - Provided is a binder for an electrode of a lithium rechargeable battery including a copolymer of Chemical Formula 1, which increases adhesion between the electrode and an active material by employing a copolymer based on polyacrylamide, while having excellent heat resistance and mechanical strength, an electrode for a rechargeable battery including the same, and a rechargeable battery including the electrode. The binder and electrode can improve charge and discharge cycle life characteristics of the rechargeable battery. | 02-06-2014 |
Kwang-Sik Choi, Yuseong-Gu KR
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20160036056 | BINDER COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A binder composition for a rechargeable lithium battery includes: an interpenetrating polymer network (IPN) structure including a cyclic polymer including a structural unit represented by Chemical Formula 1 or a structural unit represented by Chemical Formula 2, and polyacrylamide. A method of preparing the same, and an electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are also disclosed. | 02-04-2016 |
Kyoung-Young Choi, Yuseong-Gu KR
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20150201137 | IMAGE SENSING DEVICE AND FOCAL PLANE ARRAY DEVICE USING FREQUENCY CONVERSION FOR REAL-TIME TERAHERTZ IMAGING - Provided is an image sensing device that includes a detector configured to detect a terahertz wave signal received by a receiving antenna, a voltage-controlled oscillator configured to output an oscillation frequency according to an output voltage of the detector, and a frequency digital converter configured to convert the oscillation frequency output from the voltage-controlled oscillator to a digital signal. | 07-16-2015 |
20150346034 | ANTENNA MODULE FOR TRANSMITTING OR RECEIVING TERAHERTZ WAVES AND FOCAL PLANE ARRAY STRUCTURE FOR REAL-TIME TERAHERTZ IMAGING - Provided is an antenna module that comprises an antenna comprising a radiation patch for transmitting or receiving the terahertz wave, and a first ground disposed away from the radiation patch, the first ground having a hole, an integrated circuit board having a signal processing unit configured to generate the terahertz wave or to process the terahertz wave received through the antenna, the integrated circuit board being disposed under the antenna and a via configured to connect the radiation patch with the signal processing unit, the via passing through the hole. | 12-03-2015 |
Mingoo Choi, Yuseong-Gu KR
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20100045557 | ANTENNA APPARATUS - An antenna apparatus that may be adapted to various environments. The antenna apparatus includes a radiation unit to transmit and receive in a 360° radius including a plurality of radiators, each radiator configured to radiate a main emission pattern in different direction; and a switch unit configured to selectively operate each of the plurality of radiators. | 02-25-2010 |
Namsun Choi, Yuseong-Gu KR
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20090053608 | Anode active material hybridizing carbon nanofiber for lithium secondary battery - The present invention provides a composite silicon anode material hybridizing carbon nanofiber for lithium secondary battery prepared by the steps comprising: i) preparing a support made by amorphous silicon alloy after processing amorphous silicon and metal; ii) dispersing the catalyst selected from Fe, Co, Ni, Cu, Mg, Mn, Ti, Sn, Si, Zr, Zn, Ge, Pb or In on the surface of said support made by amorphous silicon alloy; and iii) growing the carbon nanofiber using a carbon source selected from carbon monoxide, methane, acetylene or ethylene on said support by a chemical vapor deposition method, wherein the amount of grown carbon nanofiber is 1˜110 wt % of the amount of said support. | 02-26-2009 |
20100230642 | CATALYST FOR PREPARING CARBON NANOTUBE COMPRISING MULTI-COMPONENT SUPPORT MATERIALS CONTAINING AMORPHOUS SILICON PARTICLES AND THE BULK SCALE PREPARATION OF CARBON NANOTUBE USING THE SAME - The present invention relates to a catalyst composition for preparing carbon nanotube containing multi-component support materials of amorphous Si, Mg and Al as well as a bulk scale preparation process for preparing carbon nanotube using said catalyst composition. More specifically, this invention relates to a process for preparing carbon nanotube using the catalyst composition comprising a transition metal catalyst and support materials of amorphous Si, Mg and Al. | 09-16-2010 |
Sang Won Choi, Yuseong-Gu KR
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20090252243 | Method and apparatus for transmitting signals in a multi-hop wireless communication system - A method and apparatus for transmitting signals in a multi-hop wireless communication system are provided. A first BS transmits a signal including a first common information codeword and a first private information codeword. A second BS transmits a signal including a second common information codeword and a second private information codeword. A first RS joint-decodes the first common information codeword and the second common information codeword and decodes the first private information codeword. A second RS joint-decodes the first common information codeword and the second common information codeword and decodes the second private information codeword. | 10-08-2009 |
Sik Choi, Yuseong-Gu KR
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20080242291 | Method and system for transmitting/receiving data in communication system - Disclosed is a method and system for transmitting and receiving data in a communication system. The system includes a base station, and a relay station connecting the base station with at least one mobile station. The base station transmits data for a plurality of mobile stations to the relay station, and transmits the data to at least one mobile station belonging to the base station from among the plurality of mobile stations. The relay station receives the data from the base station, and transmits the data to at least one mobile station belonging to the relay station from among the plurality of mobile stations in the same interval as an interval where the base station transmits the data to the mobile station. | 10-02-2008 |
Song In Choi, Yuseong-Gu KR
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20100150104 | DEEP PACKET INSPECTION DEVICE AND METHOD - The present invention relates to a deep packet inspection method and device of a wireless communication system. The deep packet inspection method includes: receiving a first deep packet inspection result for a packet of a terminal from a first subnet before a handover when the handover occurs; receiving a second deep packet inspection result for the packet of the terminal from a second subnet after the handover; and coordinating the first deep packet inspection result and the second deep packet inspection result when the handover occurs. | 06-17-2010 |
Sun Choi, Yuseong-Gu KR
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20120230910 | METHOD OF PREPARING ZSM-5 ZEOLITE USING NANOCRYSTALLINE ZSM-5 SEEDS - Disclosed herein is a method of preparing ZSM-5, including: providing a nanocrystalline ZSM-5 seed having a size of 70˜300 nm; adding the nanocrystalline ZSM-5 seed to a stock solution including water glass as a silica source, an alumina source, a neutralizer and water to form a reaction mixture; and maintaining the reaction mixture at 150˜200° C. to crystallize the reaction mixture. The method is advantageous in that ZSM-5 having small and uniform crystal sizes and including no impurities can be synthesized in a short period of time. | 09-13-2012 |
20130048536 | METHOD OF MANUFACTURING HIGH QUALITY LUBE BASE OIL USING UNCONVERTED OIL - Disclosed is a method of manufacturing high quality lube base oil (Group III) from unconverted oil having various properties obtained in a variety of hydrocrackers using improved catalytic dewaxing and hydrofinishing, the method including producing unconverted oil of at least one kind in the same or different hydrocrackers; subjecting the unconverted oil to vacuum distillation; supplying all or part of the distillate fractions to a catalytic dewaxing reactor; supplying the dewaxed oil fraction to a hydrofinishing reactor; and stripping the hydrofinished light oil fraction, wherein make-up hydrogen is supplied upstream of the hydrofinishing reactor to increase hydrogen partial pressure, thereby enabling high quality base oil to be manufactured at high yield under optimal process conditions using unconverted oil produced by hydrocracking under various conditions. | 02-28-2013 |
20130048537 | METHOD OF SIMULTANEOUSLY MANUFACTURING HIGH QUALITY NAPHTHENIC BASE OIL AND HEAVY BASE OIL - Disclosed is a method of simultaneously manufacturing high quality naphthenic base oil and heavy base oil using a single catalyst system, by subjecting an oil fraction (slurry oil or light cycle oil) produced by fluid catalytic cracking and an oil fraction (deasphalted oil) produced by solvent deasphalting to hydrotreating, catalytic dewaxing and hydrofinishing of the single catalyst system, thereby obtaining not only products having low viscosity but also heavy base oil products (150BS) having high viscosity which was impossible to obtain using a conventional catalytic reaction process, and also thereby producing base oil products having different properties using the single catalyst system, thus generating economic benefits and exhibiting superior efficiency. | 02-28-2013 |
Sungwook Choi, Yuseong-Gu KR
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20140336254 | Small Molecules That Covalently Modify Transthyretin - A family of covalent kinetic stabilizer compounds that selectively and covalently react with the prominent plasma protein transthyretin in preference to more than 4000 other human plasma proteins is disclosed. A contemplated compound corresponds in structure to Formula I, below, where the various substituents are defined within, and | 11-13-2014 |
Won Choon Choi, Yuseong-Gu KR
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20120230910 | METHOD OF PREPARING ZSM-5 ZEOLITE USING NANOCRYSTALLINE ZSM-5 SEEDS - Disclosed herein is a method of preparing ZSM-5, including: providing a nanocrystalline ZSM-5 seed having a size of 70˜300 nm; adding the nanocrystalline ZSM-5 seed to a stock solution including water glass as a silica source, an alumina source, a neutralizer and water to form a reaction mixture; and maintaining the reaction mixture at 150˜200° C. to crystallize the reaction mixture. The method is advantageous in that ZSM-5 having small and uniform crystal sizes and including no impurities can be synthesized in a short period of time. | 09-13-2012 |
Young Bu Choi, Yuseong-Gu KR
Patent application number | Description | Published |
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20130020245 | DEVICE FOR TREATMENT OF WASTE LIQUID - A waste liquid treatment apparatus with enhanced treatment capacity for a pre-treatment facility of a liquid radwaste treatment system for a nuclear power plant. The waste liquid treatment apparatus includes: a water tank into which a waste liquid is introduced and from which filtered permeated water is discharged; a waste liquid introduction section through which waste liquid is introduced into the water tank; submerged membranes annularly disposed and spaced apart from each other for filtering foreign substances from the waste liquid; a permeated water suctioning section suctioning the filtered water of the waste liquid and discharging the filtered water outside the water tank; an air supplying section supplying compressed air to the submerged membranes to remove foreign substances; and a porous support plate supporting the submerged membranes. | 01-24-2013 |