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Byung Sun
Byung Sun Ahn, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080213012 | DISCHARGE GUIDE AND IMAGE FORMING APPARATUS HAVING THE SAME - A discharge guide of an image forming apparatus. The discharge guide includes: a guide body disposed between a fixing unit and a discharging unit of the image forming apparatus; and a guide member disposed on the guide body. The guide member includes a guide edge, which forms different amounts of gap with a central portion end portions of a heating roller of the fixing unit. | 09-04-2008 |
| 20090060549 | FUSING SYSTEM AND CONTROL METHOD THEREOF - A fusing system includes: a fusing unit which comprises a fusing belt which rotates around outer surfaces of at least two rollers which are distanced from each other, and a pressing roller which presses a printing medium together with the fusing belts and fuses an image which is transferred to the printing medium; a heat source which receives power to generate heat, and is mounted inside at least one of the two rollers; a driving source which drives at least one of the two rollers; a sensing unit which senses a surface temperature of the fusing belt; and a control unit which controls the heat source and the driving source so that the fusing belt can be driven when the temperature of the fusing unit increases if a printing order is applied. | 03-05-2009 |
| 20090087241 | Paper discharge device and image forming apparatus having the same - A paper discharge device and an image forming apparatus having the same are provided. In the paper discharge device, the paper discharge roller has a non-uniform diameter extending in a longitudinal direction and the idle roller contacts with the paper discharge roller in the longitudinal direction of the paper discharge roller so that the print paper unfolds and discharges utilizing a velocity differential at a nip between the paper discharge roller and the idle roller. | 04-02-2009 |
| 20100061766 | IMAGE FORMING APPARATUS - An image forming apparatus can include a first developing portion having first to fourth developing devices containing yellow, magenta, cyan, and black developers, respectively, each of the first to fourth developing devices being disposed apart from adjacent developing devices of the first to fourth developing devices at a regular interval, a second developing portion to include at least one auxiliary developing device to supplement colors of the first developing portion, and an image carrier to convey images of the first and second developing portions, wherein an interval between the first and second developing portions is a multiple of the regular interval between the first to fourth developing devices. | 03-11-2010 |
| 20100133736 | BOOKBINDING UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME - Disclosed are a bookbinding unit and an image forming apparatus having the same. The bookbinding unit includes a bookbinding unit main body, a pair of stack trays disposed in the bookbinding unit main body so as to support print media on the upper surfaces of the stack trays and a folding knife movable in the space between the pair of the stack trays to fold the print media on the stack trays and to move the folded print media into the space between the pair of the stack trays. The pair of the stack trays is rotatable in conformity with the movement of the print media into the space between the stack trays to provide a surface contact guiding of the folded print media. | 06-03-2010 |
| 20100182393 | LIGHT SCANNING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A light scanning unit and an image forming apparatus having the same. The light scanning unit to form an electrostatic latent image corresponding to image information on a photosensitive body may include a light source, a deflector to deflect light generated from the light source in a main scanning direction, an imaging lens to focus deflected light to the photosensitive body, and at least a reflection mirror to change a traveling direction of light. A deviation of light quantity generated in a main scanning direction by a light quantity ratio generated by internal absorption of the imaging lens and a light quantity ratio generated by a polarization state of light may be compensated for by the reflection mirror. | 07-22-2010 |
| 20110176848 | IMAGE FORMING APPARATUS AND METHOD THEREOF - An image forming apparatus having an improved structure to enable a user to conveniently operate the image forming apparatus at a front of the image forming apparatus, and a method thereof. The image forming apparatus includes a main body formed with a discharge port at a front portion, a printing unit mounted inside the main body and disposed adjacent to a front panel of the main body, a feeding unit to feed paper printed by the printing unit toward a rear panel of the main body, and a discharge reversal unit to reverse a moving direction of the paper fed by the feeding unit to feed the paper to the discharge port. A sensor to detect a moving position of the paper and a paper guide guiding movement of the paper is mounted between the feeding unit and the discharge reversal unit. | 07-21-2011 |
Byung Sun Ahn, Ansan-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110232100 | UNITARY RAZOR BLADE AND SHAVING RAZOR CARTRIDGE USING SAME - The present invention relates to a unitary razor blade and to a shaving razor using the same, and more particularly, to a razor blade which is shaped into a geometrical structure so as to achieve the maximized strength thereof. The razor blade according to the present invention comprises: an edge portion having a curved cutting edge; a connection portion which extends from the edge portion and which is formed into a curve; and a support portion extending from the edge portion to support the edge portion and the connection portion, where the edge portion, the connection portion and the support portion are combined into a single body. | 09-29-2011 |
Byung Sun Ahn, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090279456 | CASCADE-TYPE MULTIPLEX RADIO COMMUNICATION RELAY SYSTEM - A cascade-type multiplex radio communication relay system, in which a donor and a Main Hub Unit (MHU) are connected to each other through an Unshielded Twisted Pair (UTP) cable to enable duplex communication, and in which a plurality of remote units are connected to the MHU through UTP cables to enable duplex communication. The cascade-type multiplex radio communication relay system adopts a method of converting at least two different RF communication signals into a single UTP transmission frame, and relaying the UTP transmission frame through a UTP cable in a digital communication manner. | 11-12-2009 |
Byung Sun An, Ansan-Si Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090193659 | SHAVER - Provided is a shaver including a cartridge and a handle body. The cartridge includes a cartridge body formed in a rectangular frame shape; a plurality of blades installed in the cartridge body in the side-to-side direction of the cartridge body, each of the blades having a front portion bent downward; pair of side fixation slots formed on left and right frames of the cartridge body, respectively, so as to fix the left and right ends of each blade; a supporter connecting upper and lower frames of the cartridge body; and an inside fixation slot formed on the supporter so as to fix a portion of each blade. The handle body is coupled to the cartridge body. | 08-06-2009 |
Byung Sun An, Ansan-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100251555 | SHAVER - Disclosed herein is a shaver. The shaver includes a removable cartridge and a handle assembly. The removable cartridge includes a cartridge body, at least one blade mounted to the lower surface of the cartridge body, a connector mounting part provided on the upper surface of the cartridge body, and a connector mounted to the connector mounting part and having a holder mounting part. The handle assembly includes a handle body, a housing provided on a front end of the handle body, a holder mounted to a front end of the housing in such a way as to rotate around a pivot shaft, a removing means functioning to removably couple the holder to the holder mounting part, a manipulating means installed in the housing to be operated in conjunction with the removing means, and a support means elastically supporting rotating motion of the holder using elastic force. | 10-07-2010 |
Byung Sun Choi, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110142329 | METHOD AND DEVICE FOR CONVERTING IMAGE - A method and a device for converting an image are disclosed. According to an embodiment of the present invention, the method for converting a two-dimensional image to a three-dimensional image by an image conversion device can include: receiving and setting overall depth information for an original image; classifying the original image into partial objects and setting three-dimensional information for each of the partial objects; generating a first image by moving the original image by use of the three-dimensional information; receiving and setting a zero point for the original image; generating a second image by moving the original image by use of the zero point; and generating a three-dimensional image by combining the first image and the second image. Accordingly, a still image can be converted to a three-dimensional image. | 06-16-2011 |
Byung Sun Han, Gimpo-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110068013 | METHOD AND APPARATUS FOR MANUFACTURING METAL NANO-PARTICLES USING ALTERNATING CURRENT ELECTROLYSIS - Disclosed herein are a method and apparatus for preparing metal nanoparticles using alternating current (AC) electrolysis, in which the yield of metal nanoparticles obtained can be greatly improved by maintaining the concentrations of a reducing agent and a dispersing agent at constant levels in proportion to the intensity of an electric current during the production of the metal nanoparticles. The method for preparing metal nanoparticles comprises the steps of: dissolving an electrolyte and a dispersing agent in pure water in a reactor to prepare an electrolytic solution; placing first and second electrodes apart from each other in the electrolytic solution in the reactor, the electrodes being made of the same material as metal nanoparticles to be obtained; applying alternating current at the first and second electrodes to ionize the metal of the first and second electrodes in the electrolytic solution; and introducing into the electrolytic solution a reducing agent so as to maintain the reducing agent at a constant level according to the concentration of metal ions produced, thereby reducing the metal ions to obtain the metal nanoparticles. | 03-24-2011 |
Byung Sun Hong, Seongnam KR
| Patent application number | Description | Published |
|---|---|---|
| 20110183220 | METHOD OF PURGING FOR FUEL CELL - Disclosed herein is a method of purging a fuel cell, by which water present in fuel cell stacks is discharged outside the fuel cell stacks together with gas by opening and closing a purge valve, including: conducting a short-period purge several times using the purge valve; and conducting a long-period purge once using the purge valve, wherein the short-period purge and the long-period purge are repeatedly conducted. The method of purging a fuel cell is advantageous in that the short-period purge is conducted several times using a purge valve and then the long-period purge is conducted once, and these short-period purges and the long-period purge are repeatedly conducted, so that the problems occurring when only a short-period purge or only a long-period purge is conducted can be solved, with the result that the efficiency and performance of the fuel cell are improved and the fuel cell can be stably operated. | 07-28-2011 |
Byung Sun Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20120042333 | Device and Method for Hierarchical Broadcasting - A hierarchical broadcasting device and method are disclosed. In the hierarchical broadcasting method, a broadcast transmitting device may transmit lower layer broadcast data for an existing broadcast to a broadcast receiving device via a first communication network, and may transmit upper layer broadcast data for an improved broadcast to the broadcast receiving device via a second communication network. In this instance, the broadcast receiving device combines the lower layer broadcast data and the upper layer broadcast data in order to display the improved broadcast. | 02-16-2012 |
Byung Sun Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090290417 | NONVOLATILE MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - A nonvolatile memory device including a plurality of word lines; a plurality of bit lines intersecting the word lines; a plurality of memory cells corresponding to intersections of the word lines and the bit lines; a common control gate line commonly connected to the memory cells; and a common erasing gate line commonly connected to the memory cells. | 11-26-2009 |
| 20100014666 | Method and Apparatus for Protecting Scalable Video Coding Contents - Disclosed are a method and apparatus capable of reducing the computational complexity of encryption and decryption by encrypting only data of scalable video coding contents for each coding layer in terms of temporal, spatial, and SNR scalabilities to provide a service for protected scalable video coding contents, and capable of protecting contents by generating and distributing an encryption key for encryption and decryption depending on a class of a contents consumer. | 01-21-2010 |
| 20110261254 | APPARATUS AND METHOD FOR CONTROLLING CONVERSION OF BROADCASTING PROGRAM BASED ON PROGRAM PROTECTION INFORMATION - Provided are an apparatus and method for controlling program conversion according to program protection information. The method for controlling conversion of a broadcasting program includes: demultiplexing a broadcasting program into broadcasting program data and program protection information; encrypting the broadcasting program data based on distribution condition of the program protection information when recordation of the broadcasting program data is requested; and recording the encrypted broadcasting program data. | 10-27-2011 |
Byung Sun Kim, Asan KR
| Patent application number | Description | Published |
|---|---|---|
| 20110316294 | DOOR STRIKER UNIT FOR VEHICLE - The present invention relates to a door striker unit for a vehicle. The door striker unit for a vehicle includes a retainer connected to a rear side of the vehicle's side outer panel, a engaging plate connected to a rear surface of the retainer, and a striker connected to the engaging plate and positioned on a front side of the vehicle's side outer panel, wherein the engaging plate includes a welding portion welded to the retainer, an engaging portion having an integral bolt engaging portion for connection with the striker, and a connecting portion integrally connecting the welding portion and the engaging portion, wherein the connecting portion comprises a protruding curved portion. | 12-29-2011 |
Byung Sun Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110015395 | PYRAZOLE COMPOUNDS WITH INHIBITORY ACTIVITY AGAINST ROS KINASE - Disclosed herein are novel pyrazole compounds, pharmaceutically acceptable salts thereof, a method for preparing the same, and uses thereof as anticancer agents. | 01-20-2011 |
Byung Sun Yoon, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090246870 | DE-DIFFERENTIATION OF ASTROCYTES INTO NEURAL STEM CELL USING NANOG - Disclosed are a composition and a method for inducing the de-differentiation of astrocytes into neural stem cells using Nanog. The de-differentiated neural stem cells have the ability to differentiate into astrocytes, neurons, or oligodendrocytes. | 10-01-2009 |
| 20110159592 | COMPOSITION FOR REPROGRAMMING SOMATIC CELLS TO GENERATE INDUCED PLURIPOTENT STEM CELLS, COMPRISING Oct4 IN COMBINATION WITH Bmi1 OR ITS UPSTREAM REGULATOR, AND METHOD FOR GENERATING INDUCED PLURIPOTENT STEM CELLS USING THE SAME - Disclosed is a composition for reprogramming somatic cells to generate embryonic stem cell-like cells, comprising: a) a Bmi1 (B cell-specific Moloney murine leukemia virus integration site 1) protein or a nucleic acid molecule coding for Bmi1; and b) an Oct4 protein or a nucleic acid molecule coding for Oct4. Also, a method is provided for reprogramming somatic cells to generate embryonic stem cell-like cells using the composition. In addition to reducing the number of the genetic factors conventionally needed, the composition and method allow the generation of pluripotent embryonic stem cell-like cells which have high potential in the cell therapy of various diseases. | 06-30-2011 |
| 20110275157 | COMPOSITION FOR REPROGRAMMING SOMATIC CELLS TO GENERATE INDUCED PLURIPOTENT STEM CELLS, COMPRISING Bmi1 AND LOW MOLECULAR WEIGHT SUBSTANCE, AND METHOD FOR GENERATING INDUCED PLURIPOTENT STEM CELLS USING THE SAME - Provided is a composition for reprogramming somatic cells to generate embryonic stem cell-like cells, comprising: a) a Bmi1 (B cell-specific Moloney murine leukemia virus integration site 1) protein or a nucleic acid molecule encoding the Bmi1 protein; and b) at least one low molecular weight substance selected from the group consisting of a set of a MEK/ERK (mitogen-activated protein kinase/extracellular regulated kinase) inhibitor and a GSK (glycogen synthase kinase) inhibitor, a set of a G9a HMTase (G9a histone methyltransferase) inhibitor and a DMNT (DNA methyltransferase) inhibitor, and a histone deacetylase inhibitor. Also, a method is provided for reprogramming somatic cells to generate embryonic stem cell-like cells using the composition. In addition to reducing the number of the reprogramming factors conventionally needed, the composition and method allow the generation of pluripotent embryonic stem cell-like cells which have high potential in the cell therapy of various diseases. | 11-10-2011 |
Byung-Sun Choi, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100201865 | IMAGING METHOD FOR USE WITH VARIABLE CODED APERTURE DEVICE AND IMAGING APPARATUS USING THE IMAGING METHOD - Provided are an imaging method for use with a variable coded aperture filter and an imaging apparatus using the imaging method. The variable coded aperture filter includes a plurality of regulated patterns which may be properly selected, and an image obtained via a certain pattern of the variable coded aperture filter may be processed by a deconvolution method related to the certain pattern. The patterns in the variable coded aperture filter have different aperture degrees from each other so as to adjust an exposure amount, and accordingly, a subject which is extremely bright or extremely dark may be photographed and depth information and focus information may be obtained from the photographed image. Therefore, images of high image quality may be obtained in a large range of brightness variation. | 08-12-2010 |
Byung-Sun Hong, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090169930 | FUEL CELL SEPARATOR AND FUEL CELL STACK AND REACTANT GAS CONTROL METHOD THEREOF - A fuel cell separator, a fuel cell stack having the fuel cell separator, and a reactant gas control method of the fuel cell stack are provided. That is, even when the fuel cell stack operates under the low load operation condition, a reactant gas is supplied to the reactant gas passages of the fuel cell separator, and thus, the length of the passage can be shortened by 50% as compared with the prior art having only one reactant gas passage. Therefore, the reactant gas can be effectively supplied without experiencing pressure loss. Further, in the high load operation of the fuel cell stack, the reactant gas is introduced into the first reactant gas passage of the fuel cell separator and utilized in half of the whole electrode area. Subsequently, the reactant gas is introduced into the second reactant gas passage and utilized in the remaining half of the electrode area. The flow rate of the reactant gas flowing along the passage channels is increased by two times, even when the reactant gas utilizing rate is identical as compared with the reactant gas flow in the low load operation. As a result, the moisture existing in the passage channels can be more effectively discharged and the flooding phenomenon occurring in the high load operation can be prevented. By controlling the reactant gas supply in accordance with an operation condition of the fuel cell stack without experiencing pressure loss and deterioration of the utilizing rate, the flooding phenomenon and concentration polarization phenomenon that occur in the fuel cell stack can be prevented. | 07-02-2009 |
Byung-Sun Hong, Seongnam-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090305086 | APPARATUS FOR MONITORING CELL VOLTAGE AND FUEL CELLS USING THE SAME - Disclosed is a cell voltage monitoring apparatus for monitoring output voltages of a plurality of unit cells in a cell having the unit cells. The cell voltage monitoring apparatus includes: a reference voltage generator for generating a predetermined reference voltage from the unit cell generation voltage; a voltage comparator for comparing a generation voltage of a monitor unit cell and the reference voltage; a signal separator for outputting a signal that is electrically separated from an output signal of the voltage comparator; and an operation processor for determining normality of the cell voltage from a signal output by the signal separator. | 12-10-2009 |
Byung-Sun Kim, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090020844 | Semiconductor device having electrostatic discharge protection circuit and method of manufacturing the same - Semiconductor device having an on-chip type electrostatic discharge (ESD) protection circuit and a method of manufacturing the same are provided. The on-chip type ESD protection circuit may include a first junction diode having a first conductive type region contacting a second conductive type region in a semiconductor substrate, and a first schottky diode having a metallic material layer arranged on and contacting the first conductive type region of the semiconductor substrate. | 01-22-2009 |
| 20120037971 | NONVOLATILE MEMORY DEVICE AND METHOD OF FORMING THE SAME - A nonvolatile memory device has a first active region and a second active region defined in a substrate by a device isolation layer, a Metal Oxide Silicon Field-Effect Transistor (MOSFET) disposed on the first active region and including a first electrode pattern, and a Metal Oxide Silicon (MOS) capacitor disposed on the second active region and including a second electrode pattern, and in which the first electrode pattern is narrower in the widthwise direction of the channel of the MOSFET than the first active region. | 02-16-2012 |
Byung-Sun Yoo, Toronto CA
| Patent application number | Description | Published |
|---|---|---|
| 20100236577 | VACUUM CLEANING APPARATUS AND CLEANING METHOD THEREOF - The invention relates to a cleaning method, and in particular, to a vacuum cleaning apparatus and a vacuum cleaning method thereof. A vacuum cleaning method comprising (a) positioning a dust receiver joined to one end of a vacuum suction device in the vicinity of the object of cleaning, (b) positioning a spray nozzle joined to one end of an air spray system adjacent to the object of cleaning, (c) operating the vacuum suction device, and (d) removing the foreign substances adhered to a surface of the object of cleaning by adjusting the pneumatic pressure of the air sprayed from the spray nozzle, may efficiently remove foreign substances adhered to the object of cleaning located in a narrow space. | 09-23-2010 |