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Byung-Hyun
Byung Hyun Choi, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110135813 | METHOD OF MANUFACTURING UNIT CELL OF SOLID OXIDE FUEL CELL USING TRANSFER PROCESS - A method of manufacturing a unit cell of a solid oxide fuel cell using a transfer process, in which an anode, electrolyte, cathode and interconnect are deposited on a substrate using the transfer process when the unit cell of the solid oxide fuel cell having a variety of shapes, such as a planar type, a horizontal pipe type, a tubular type, a segmented type, and the like, is manufactured. In manufacture of solid oxide fuel cells having a variety of shapes according to lamination and arrangement of unit cells, the components of each unit cell, such as the anode, the cathode, the electrolyte, the interconnect, and the like, may be deposited in a desired shape using the transfer process through deposition or coating, so that the components of the unit cell having a large scale or a complicated structure can be deposited without limit in size and shape, the thickness of the components of the unit cell can be easily controlled depending on the number of stacked transfer paper sheets, and a coating film can be formed on a substrate at a lower cost. | 06-09-2011 |
| 20110304506 | Method For Measuring Location of Mobile Terminal - A method for measuring a location of a mobile terminal includes calculating first location information by using a ToA (Time of Arrival) scheme, calibrating the first location information by using angle information between two base stations and the terminal; calculating second location information by using an AoA (Angle of Arrival) scheme, and calculating a location value of the terminal by using the calibrated first location information and the second location information. | 12-15-2011 |
Byung Hyun Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100264810 | ELECTRODE FOR HOT CATHODE FLUORESCENT LAMP - An electrode of a hot cathode fluorescent lamp includes a pair of lead wires which are inserted from the outside into a glass tube, passing through a leading end of the glass tube, ends of each of the pair of lead wires protruding outward from an outer surface and inward from an inner surface of the glass tube, respectively, shape-keeping members with leading ends welded into and fixed to leading ends of the lead wires, respectively which protrude inward from the inner surface of the glass tube, a filament coil provided with leg portions which surround the shape-keeping members and are welded into and fixed to the lead wires along with the shape-keeping members at both leading ends of a coil portion for emitting electrons, and a sleeve installed inside the glass tube and surrounding the filament coil. | 10-21-2010 |
Byung Hyun Kim, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20120033884 | APPARATUS AND METHOD FOR ESTIMATING EDGE AREAS OF DIGITAL IMAGE - There are provided an apparatus and a method for estimating edge areas of pixels in a digital image to thereby prevent an edge sharpening algorithm from being applied to non-edge area of the digital image. Therefore, the apparatus can accurately determine whether each pixel is in an edge area or in a non-edge area, by generating a binary mask obtained by using a luminance difference average between each pixel and each of neighboring pixels in the digital image. Moreover, the determination of an edge-area or a non-edge area may be applied to various digital images, by adjusting a level of edge-area determination. | 02-09-2012 |
| 20120033885 | APPARATUS FOR IMPROVING SHARPNESS OF IMAGE - There is provided an apparatus for improving the sharpness of an image, which may prevent occurrence of distortion of an image in an edge enhancement process of the image by applying an active weight in accordance with a two-dimensional (2D) high pass filtering value of the image. The apparatus may include: a 2D high pass filter outputting a high frequency element value for the luminance values of pixels of an input image; a weight generating unit generating a weight changed depending on a magnitude of the high frequency element value; a weight applying unit applying the weight to the high frequency element value; and an edge enhancement image generating unit adding, to the luminance values of the pixels of the input image, the high frequency element value to which the weight is applied to thereby output an image of which an edge is enhanced. | 02-09-2012 |
Byung Hyun Lee, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20100085640 | Polarizing plate and polarizing device comprising the same - Provided are a polarizing plate capable of polarizing unparallel incident light to polarized light in a high degree, and a polarizing device including the polarizing plate. The polarizing plate includes a quartz substrate including a light incidence portion continuously formed along a direction of the quartz substrate, the light incidence portion having a triangular section, the triangular section forming a sloped angle of a sloped surface or two symmetrical sloped surfaces having a real value in a range of Brewster's angle±30° (degrees). The polarizing device includes a substrate; a light source including an ultraviolet reflective part; and a polarizing plate disposed between the substrate and the light source. | 04-08-2010 |
Byung Hyun Moon, Incheon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090176992 | PROCESS FOR THE PREPARATION OF HIGHLY OPTICAL PURE CARVEDILOL - The present invention relates to a process for the efficient preparation of highly optical pure chiral carvedilol. According to the present invention, a chiral oxazolidin-2-one or oxazolidin-2-thione having formula 2, produced from the reaction of N-protected 2-(2-methoxyphenoxy)ethylamine with a chiral glycidol derivative is used as a key intermediate for the preparation of the chiral carvedilol. Specifically, the process for the preparation of the chiral carvedilol comprises a) reacting a compound of formula 2 with a halogenation agent, a sulfonation agent or a mitsunobu reagent to activate a hydroxyl group of the compound of formula 2, followed by nucleophilic substitution reaction with 9H-4-hydroxy carbazole to produce a compound of formula 7, and b) subjecting the obtained compound of formula 7 to a deprotection reaction in a presence of an inorganic base to produce the targeted chiral carvedilol. The process of the present invention can be accomplished in a mild condition. The process neither requires any extraordinary purification procedure, nor involves decrease of optical purity. Therefore, the process of the present invention provides highly optical pure chiral carvedilol in simple and efficient manner. | 07-09-2009 |
Byung Hyun Park, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090199528 | MANUFACTURING METHOD OF FILTER MEDIA AVAILABLE AT MEDIUM AND HIGH TEMPERATURE EXHAUST GAS USING FOAM COATING TECHNOLOGY AND FILTER MEDIA MANUFACTURED THEREBY - Disclosed herein is a method of producing a filter medium for treating medium and high temperature exhaust gas using foam coating and a filter medium produced using the method. The filter medium has excellent heat resistance and heat contraction resistance, and exhibits partial dust collection efficiency of 99% or more by weight, total dust collection efficiency of 99.999% or more by weight, and high dust removal efficiency, for all dust particle sizes. Further, the filter media can be efficiently used to treat medium and high temperature exhaust gas because pores having an average pore size of 30 μm or less are uniformly distributed on the surface of the filter media. | 08-13-2009 |
Byung-Hyun Chung, Danville, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100125513 | Reconciling Financial Transactions - Systems and methods for reconciling financial transactions are described with respect to a number of embodiments of the present disclosure. In one implementation, among others, a method includes enabling a user to define how different types of financial items are grouped. The grouped financial items are selected from one of a financial statement associated with a first account with a first financial institution and financial data recorded by a customer of the first financial institution. The method also includes enabling the user to set matching criteria for matching financial items of the financial statement with financial items of the customer recorded financial data. | 05-20-2010 |
| 20100198707 | Replicating Data in Financial Systems - Systems and methods for replicating data communicated over a network. According to one embodiment, among several embodiment, a data replication system includes a first interface table and a first application associated with a first computing system. The first application is configured to transfer data into the first interface table. The data replication system further includes a first replication module, which is also associated with the first computing system. The first replication module is configured to replicate data from the first interface table into a second interface table associated with a second computing system via a network. The data replication system also includes a second application and a second replication module associated with the second computing system. The second application is configured to transfer data into the second interface table. The second replication module is configured to replicate data from the second interface table into the first interface table via the network. Furthermore, the data replication system includes a web service module configured to check the contents of the second interface table before the first application performs a specific processing operation. | 08-05-2010 |
Byung-Hyun Kim, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110121724 | FILAMENT FOR FLUORESCENT LAMP - The present invention relates to a filament for a fluorescent lamp, having a structure that can increase an amount of emitter applied thereto, and having optimized cold resistance (Rc) and a heat resistance (Rh) which capable of recognizing appropriate temperature thereof by which evaporation or scattering of the emitter can be decreased and maintaining a temperature thereof within an appropriate range, thereby reducing a loss rate of the emitter applied to the filament to increase the lifespan of the fluorescent lamp. The filament includes an inner coil wound in a spiral shape in one direction, a core wire wound in a spiral shape to surround the inner coil in a longitudinal direction of the inner coil, and an outer coil wound in a spiral shape to surround the core wire and surrounding the inner coil together with the core wire and characterized in that a ratio (Rh/Rc) between a heat resistance Rh and a cold resistance Rc of the filament is 4.8 to 6.2. | 05-26-2011 |
Byung-Hyun Lee, Seongnam-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100226187 | Semiconductor memory device - A semiconductor memory device includes a memory cell array having a plurality of memory cells coupled between a plurality of word lines and a plurality of bit line pairs, a bit line selection circuit configured to transmit data between a selected bit line pair and a local input/output line pair in response to a column selection signal, a local global input/output gate circuit configured to transmit data between the local input/output line pair and a global input/output line pair in response to a local global input/output selection signal, and a controller configured to drive the word lines, output the column selection signal having a first voltage level to the bit line selection circuit, and output the local global input/output selection signal having a second voltage level that is lower than the first voltage level to the local global input/output gate circuit, in response to an external address signal and an external command. | 09-09-2010 |
Byung-Hyun Lee, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090087962 | METHOD OF FABRICATING SEMICONDUCTOR DEVICE HAVING ALIGNMENT KEY AND SEMICONDUCTOR DEVICE FABRICATED THEREBY - In a method of fabricating a semiconductor device having an alignment key and a semiconductor device fabricated thereby. The method of fabricating a semiconductor device includes providing a semiconductor substrate having a scribe lane region and a cell region. An etch barrier pattern and a gate pattern are formed on the scribe lane region and the cell region respectively. A first interlayer insulating layer is formed to cover the etch barrier pattern and the gate pattern. A preliminary alignment key pattern and a bit line pattern are formed on the first interlayer insulating layer of the scribe lane region and the cell region respectively. A second interlayer insulating layer is formed to cover the preliminary alignment key pattern and the bit line pattern. The second interlayer insulating layer and the first interlayer insulating layer are patterned to expose the etch barrier pattern, thereby forming an alignment key pattern in the scribe lane region, and concurrently, forming a storage node contact opening in the cell region. | 04-02-2009 |
Byung-Hyun Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110014955 | MOBILE TERMINAL HAVING AN LED BACKLIGHT UNIT - A mobile terminal having a display unit provided with an LED backlight and controlling method thereof are disclosed. The present invention includes a housing, a display unit including a liquid crystal display provided to one side of the housing and a backlight unit including a plurality of light emitting diodes for a backlight provided to a backside of the liquid crystal display and a control unit controlling the backlight unit to selectively adjust brightness of the light emitting diodes in part. Accordingly, a mobile terminal according to at least one of embodiments of the present invention controls light emission of an LED backlight locally, thereby providing more various display visual effects. And, a mobile terminal according to one embodiment of the present invention is able to use at least one portion of the light emitted from an LED BLU of a display unit as an illumination of a main body without using a separate light source for external illumination. Moreover, the illumination of the main body is able to play a role as a transmitter in a visible light communication. | 01-20-2011 |
Byung-Hyun Lee, Kyeongsangnam-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20080244792 | Recombinant Expression Vector for Production of Plants Having Multiple Stress Tolerances, and Method for Preparing Multiple Stress-Tolerant Plants Using the Same - The present invention relates to a recombinant expression vector for production of multiple stress tolerant plants, which is prepared by attaching multiple stress tolerant genes to oxidative stress inducible promoter, multiple stress tolerant plants transformed with the expression vector and a preparation method for the plants, more precisely, a recombinant expression vector for production of multiple stress tolerant plants that is prepared by combining oxidative stress inducible peroxidase promoter (SWPA2) originated from sweetpotato with multiple stress tolerant genes (SOD (superoxide dismutase) and APX (ascobate peroxidase)) to express the multiple stress tolerant genes in chloroplasts, multiple stress tolerant plants transformed with the expression vector above and a preparation method for the plants. The recombinant expression vector of the present invention is very useful for the production of transformed plants having very strong resistance against multiple stresses caused by oxidative stress inducible herbicides, cold injury, high temperature, salt damage, or various environmental pollutions generating active oxygen, so that the vector can be a great contribution to the increase of productivity of agricultural crops or mass-production of useful components. | 10-02-2008 |