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Yong Cheol

Yong Cheol Hong, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20100270517SOLID DOPANTS FOR CONDUCTIVE POLYMERS, METHOD AND APPARATUS FOR PREPARING THE SAME USING PLASMA TREATMENT, AND SOLID DOPING METHOD OF CONDUCTIVE POLYMERS - The present disclosure provides a solid dopant for doping a conductive polymer, which has a high dispersibility in a solvent by a plasma treatment, a method and an apparatus for preparing the solid dopants, a solid doping method of a conductive polymer using the solid dopants, and a solid doping method of a conductive polymer using plasma.10-28-2010

Yong Cheol Hong, Siheung-Si KR

Patent application numberDescriptionPublished
20110209296CLEANING OUTFIT - Disclosed is a cleaning outfit, which enables us to perform a cleaning work even with a weak force by a structure for exerting a perpendicular force to the surface being cleaned, provides us with convenience by a shape and material of a board and a cushion material inside the pad, and also enables us to clean grooves or places difficult to clean and to perform an efficient cleaning work by using both surfaces of the pad.09-01-2011

Yong Cheol Jeong, Yongin-Si KR

Patent application numberDescriptionPublished
20120206666DISPLAY DEVICE USING SWITCHING PANEL AND METHOD FOR MANUFACTURING SWITCHING PANEL - An image display device includes a display panel which displays an image, and a switching panel which operates in a 2-dimensional (ā€œ2Dā€) mode or in a 3-dimensional (ā€œ3Dā€) mode, where the switching panel controls the image of the display panel to be recognized as a 2D image in the 2D mode and as a 3D image in the 3D mode, where the switching panel includes: a first and second substrates opposite to each other; a first electrode layer on the first substrate; a first alignment layer on the first electrode layer; a second electrode layer on the second substrate; and a liquid crystal layer between the first substrate and the second substrate, where the switching panel includes a unit elements, and when no voltage is applied between the first electrode layer and the second electrode layer, a pretilt angle of the liquid crystal layer is repeated in the unit elements.08-16-2012

Yong Cheol Kang, Jeonju-Si KR

Patent application numberDescriptionPublished
20120200086METHOD AND SYSTEM FOR CONTROLLING WIND FARM WHEN WIND SPEED VARIES ABRUPTLY - The present invention relates to a method and system for controlling a wind farm when a ramp up or ramp down rate of the wind farm does not satisfy a grid-code or corresponding criteria due to an abrupt change in wind speed. The method and system for controlling a wind farm includes the steps of measuring speed and direction of wind performed outside the wind farm, sequentially controlling wind turbines if the wind speed abruptly changes considering a time for the wind to arrive at the wind turbines, determining the number of wind turbines to be controlled simultaneously so that the wind farm may satisfy the grid-code at this point, grouping the wind turbines, determining a control sequence and a control time of each group, and adjusting a control end time if stopping times of adjacent groups are overlapped when the wind turbines are stopped.08-09-2012

Yong Cheol Kang, Jeollabuk-Do KR

Patent application numberDescriptionPublished
20110210715Error Compensating Method for Instrument Transformer - Provided an error compensating method for an instrument transformer, in which an error of an instrument transformer is compensated by reflecting hysteresis characteristics of iron core. When such error compensation is performed, a hysteresis loop indicating the relationship between magnetic flux and excitation current is not used as it is, but core-loss resistances and magnetic flux-excitation current curves are used, thereby achieving more precise compensation. According to the present invention, an error of an instrument transformer can be significantly reduced. Therefore, it is possible to manufacture an instrument transformer with high accuracy and to significantly reduce the size of the instrument transformer. Further, a material with high permeability does not need to be used in order to increase the accuracy.09-01-2011

Yong Cheol Kim, Daejeon-City KR

Patent application numberDescriptionPublished
20100089179AUTOMATIC SEQUENTIAL SAMPLER FOR ROOF-TOP RUNOFF OF RAINWATER - There is provided an automatic sequential sampler for roof-top runoff of rainwater, which comprises: a sensing part, a controlling part and a sampling part, and more particularly, which takes samples of rainwater, at regular intervals, by sensing whether it rains and controlling the rotation and stop of a sample bottle shelf in the sampling part, using a timer and a counter.04-15-2010
20100206558APPARATUS AND METHOD FOR INSTANTANEOUSLY INJECTING TRACER FOR GROUNDWATER WELL - There is provided an apparatus for injecting a tracer within a groundwater observation well, which is capable of sequentially performing a tracer test by depth by injecting the tracer to a predetermined depth within the groundwater observation well. More particularly, the present invention relates to an apparatus and method for instantaneously injecting a tracer to a groundwater well, whereby opening and closing of a container receiving the tracer is controlled by using a pneumatic cylinder and the tracer on the ground is supplied to the container, so that the tracer is repeatedly carried and injected to a specific depth in a well.08-19-2010

Yong Cheol Lee, Seoul KR

Patent application numberDescriptionPublished
20110132312INTAKE SYSTEM OF ENGINE - An intake system of an engine, may include first and second intake passages that are collaterally disposed to the engine, first and second shafts that are collaterally disposed along the first and second intake passages respectively, first flaps and second flaps that are mounted on the first shaft and the second shaft so as to open or close the first intake passages and the second intake passages respectively, an inter-lever, of which one end portion is pivotally and eccentrically connected to the first shaft and the other end portion is pivotally and eccentrically connected to the second shaft, and through which a rotation of the first shaft is transferred to the second shaft, and a driving portion connected to the first shaft and rotating the first shaft to have the first flaps and the second flaps open or close the first intake passages and the second intake passages respectively.06-09-2011

Yong Cheol Park, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090285064WRITE ONCE OPTICAL DISC, AND METHOD AND APPARATUS FOR RECOVERING DISC MANAGEMENT INFORMATION FROM THE WRITE ONCE OPTICAL DISC - A write once optical recording medium and a method and apparatus for storing and recovering defect management information to and from the write once optical recording medium are provided. The recording medium includes at least one recording layer, and a data area on the recording layer. The data area includes at least one spare area and a user data area. The spare area contains at least one replacement cluster, each of the replacement clusters storing therein address information of a corresponding defective cluster.11-19-2009
20100226220Method and Apparatus for Closing Recording Range, Method and Apparatus for Closing Recording Medium, Method and Apparatus for Recording Management Information, Method and Apparatus for Recording/Reproducing Data On/From Recording Medium, and Recording Medium - A method and apparatus for closing a recording range, a method and apparatus for closing a recording medium, a method and apparatus for recording management information, a method and apparatus for recording/reproducing data on/from a recording medium and a recording medium are disclosed. The method of closing a recording medium includes: determining a position in which recognition information is to be recorded; recording valid data located after the determined position into an unrecorded area before the guard area; and recording the recognition information in the determined position. It is possible to reproduce recording media having different versions with compatibility using the recording medium and the method of recording/reproducing the data on/from the recording medium and to reduce a time consumed for closing the recording medium.09-09-2010

Patent applications by Yong Cheol Park, Gyeonggi-Do KR

Yong Cheol Park, Seoul KR

Patent application numberDescriptionPublished
20090213707Recording medium and method and apparatus for recording data - A recording medium and a method and apparatus for recording data are disclosed. The recording medium includes a data area in which data is recorded, a lead-in area arranged radially inwardly of the data area, and a lead-out area arranged radially outwardly of the data area, wherein the lead-in area includes information indicating whether pre-recording has been performed with respect to a portion of the lead-in area.08-27-2009
20090279401Recording Medium, Apparatus and Method for Recording/Reproducing Data on/From Recording Medium - A recording medium and an apparatus for recording/reproducing data on the recording medium, which are capable of controlling access to the recording medium by recording control information for controlling access for reading the data, are disclosed. When a function included in the recording medium cannot be performed, Unknown Rules are applied, and, when the function included in the recording medium can be performed, Known Rules are applied. Even in the Known Rules, a password may be used such that data reading is controlled. Accordingly, it is possible to compatibly reproduce the data from different versions of recording media. It is difficult for a user to access to the recording medium such that content protection can be improved.11-12-2009
20090310451Recording medium, and a method and apparatus for managing the recording medium - A recording medium, and a method and apparatus for manage the recording medium are disclosed.12-17-2009
20110129872METHOD FOR A PRODUCTION OF A RECOMBINANT PROTEIN USING YEAST CO-EXPRESSION SYSTEM - The present invention relates to a method for mass production of a recombinant protein comprising the step of culturing a yeast transformed with: a recombinant gene construct comprising a yeast promoter, a gene coding a signal sequence and a gene coding a target protein; and also with one or more genes coding folding accessory protein selected from the group consisting of PDI1 (protein disulfide isomerase 1), SEC23 (secretory 23), TRX2 (thioredoxin 2) AHA1 (activator of heat shock protein 90 ATPase), and SCJ1 (06-02-2011
20110138137RECORDING MEDIUM FOR ARCHIVING DATA, RECORDING METHOD, RECORDING APPARATUS, REPRODUCING METHOD, AND REPRODUCING APPARATUS - A recording medium for archiving data, a recording method, a recording apparatus, a reproducing method, and a reproducing apparatus are disclosed. The recording medium includes a data area for recording user data and a management area for managing information recorded on the recording medium. The management information includes data archiving information.06-09-2011
20110143409METHOD FOR PRODUCING ETHANOL FROM XYLOSE USING RECOMBINANT SACCHAROMYCES CEREVISIAE INVOLVING COUPLED USE OF NADH AND NAD+ - Disclosed is a method for producing ethanol from xylose using recombinant 06-16-2011
20120063279RECORDING MEDIUM, DATA RECORDING/REPRODUCING METHOD, AND DATA RECORDING/REPRODUCING APPARATUS - A recording medium, a data recording/reproducing method and a data recording/reproducing apparatus are disclosed. A recording medium comprises a data zone where user data are recorded; an inner zone located at an inner circumference of the data zone; and an outer zone located at an outer circumference of the data zone, wherein the data zone includes at least one spare area, and at least one of the inner zone and the outer zone includes at least one disc management area, the disc management area including: defect management information of the recording medium; general management information including information of the defect management information; and address information of the spare area that can be used as a defective replacement cluster, the general management information including address information per cluster of the disc management area where the defect management information is recorded. According to the recording medium, the data recording/reproducing method and the data recording/reproducing apparatus of the present invention, the defect occurring in the recording medium can be managed more efficiently.03-15-2012
20120122172METHOD FOR PRODUCING ETHANOL FROM XYLOSE USING RECOMBINANT SACCHAROMYCES CEREVISIAE TRANSFORMED TO ELIMINATE FUNCTIONS OF GENES INVOLVED IN TOR SIGNAL TRANSDUCTION PATHWAY - Disclosed is a method for producing ethanol from zylose using a 05-17-2012

Patent applications by Yong Cheol Park, Seoul KR

Yong-Cheol Choi, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090020814High Voltage Semiconductor Device with Floating Regions for Reducing Electric Field Concentration - A high voltage semiconductor device includes a source region of a first conductivity type having an elongated projection with two sides and a rounded tip in a semiconductor substrate. A drain region of the first conductivity type is laterally spaced from the source region in the semiconductor substrate. A gate electrode extends along the projection of the source region on the semiconductor substrate between the source and drain regions. Top floating regions of a second conductivity type are disposed between the source and drain regions in the shape of arched stripes extending along the rounded tip of the projection of the source region. The top floating regions are laterally spaced from one another by regions of the first conductivity type to thereby form alternating P-N regions along the lateral dimension.01-22-2009

Yong-Cheol Shin, Seoul KR

Patent application numberDescriptionPublished
20080230466Submerged Hollow Fiber Membrane Module - Disclosed is a submerged hollow fiber membrane module which is easy to expand, has a small installation area, and exhibits excellent contamination prevention and durability. The submerged hollow fiber membrane module comprises: (I) a module body divided into two portions which has a permeated water collection space (09-25-2008
20080292823A Braided-Reinforced Composite Hollow Fiber Membrane - A braid-reinforced composite hollow fiber membrane is disclosed. The braid-reinforced composite hollow fiber membrane comprising a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the tubular braid according to the present invention is characterized in that: the tubular braid comprises multifilaments made of monofilaments having a crimp rate of 2 to 40%, and the peeling strength of the tubular braid and a polymer resinous thin film coated on the surface thereof is 1 to 10 MPa. In the composite hollow fiber membrane, the crimp rate of the monofilaments constituting the tubular braid of the reinforcing material is 2 to 40%, thus the surface area of the tubular braid contacted with the polymer resinous thin film is increased. Thus, the peeling strength of the tubular braid and the polymer resinous thin film coated on the surface thereof is excellent.11-27-2008
20080305290A Braid-Reinforced Composite Hollow Fiber Membrane - A braid-reinforced composite hollow fiber membrane is disclosed. The braid-reinforced composite hollow fiber membrane comprising a reinforcing material of a tubular braid and a polymer resinous thin film coated on the surface of the tubular braid is characterized in that: the tubular braid comprises multifilaments made of monofilaments having a fineness of 0.01 to 0.4 denier, and the peeling strength of the tubular braid and a polymer resinous thin film coated on the surface thereof is 1 to 10 MPa. In the composite hollow fiber membrane, the fineness of the mono filaments constituting the tubular braid of the reinforcing material is small, that is, 0.01 to 0.4 denier, thus the surface area of the tubular braid contacted with the polymer resinous thin film is increased. Thus, the peeling strength of the tubular braid and the polymer resinous thin film coated on the surface thereof is excellent, and at the same time, the initial wetting property of the composite hollow fiber membrane is excellent, that is, 80 to 120%, due to a capillary tube phenomenon or the like.12-11-2008
20090321344HEADER FOR FILTERING MEMBRANE MODULE AND FILTERING MEMBRANE MODULE USING THE SAME - A header for filtering membrane module and a filtering membrane module using the same is disclosed, which is capable of maximizing efficiency in power consumption by securing a constant flow of permeate through the use of a relatively-low negative pressure, the header for filtering membrane module comprising a body with a permeate collecting space therein; and a conduit at one end of the body, the conduit being in fluid communication with the permeate collecting space, wherein at least a portion of the permeate collecting space has an inclined shape.12-31-2009
20100024631TUBULAR BRAID AND COMPOSITE HOLLOW FIBER MEMBRANE USING THE SAME - A tubular braid and a composite hollow fiber membrane using the same are disclosed. The tubular braid is made by braiding yarns, the yarn made by combining thin filament and thick filament, wherein the thin filament is comprised of a plurality of monofilament having a fineness of 0.01 to 0.4 denier, and the thick filament is comprised of at least one monofilament having a fineness of 3 to 50 denier. Also, the composite hollow fiber membrane using the tubular braid of the present invention can realize excellent water permeability, high mechanical strength, good filtration reliability, great peeling strength, low dope permeation, and high stiffness.02-04-2010
20110049026HOLLOW FIBER MEMBRANE MODULE FOR WATER PURIFIER - A hollow fiber membrane module with good ventilativity is disclosed, which is capable of reducing a time period for completely filling a water space of housing with water introduced through a water inlet by quickly replacing the air in the water space with the water thereby improving the efficiency of water flow.03-03-2011
20120097601MODULE CASE AND HOLLOW FIBER MEMBRANE MODULE USING THE SAME - A hollow fiber membrane module is disclosed, which is capable of preventing a bundle of hollow fiber membranes from being separated from a module case, the hollow fiber membrane module for accommodating a bundle of hollow fiber membranes closely held together through the use of potting agent, including a module case including: a first inner surface serving as a projection on which the bundle of hollow fiber membranes is stably placed; a second inner surface upwardly extending from one end of the first inner surface, the second inner surface including at least one separation-preventing groove to prevent the bundle of hollow fiber membranes from being separated from the module case; a third inner surface downwardly extending from the other end of the first inner surface; and a fourth inner surface connected to the third inner surface.04-26-2012

Patent applications by Yong-Cheol Shin, Seoul KR