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Jeon, Busan
Beom Seok Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20100018798 | NOISE SILENCER FOR CONSTRUCTION EQUIPMENT - A noise silencer for construction equipment is used to minimize outward propagation of noises generated from an engine room. The noise silencer is mounted in air intake and/or discharge openings of an engine room, and includes a frame mounted in the one of the air intake and discharge openings of the engine room, and noise damping members fixed to the frame at uniform intervals, and each including a first member, which is disposed inside the engine room in a horizontal direction such that cooling air introduced from outside to inside of the engine room by operation of a cooling fan smoothly flows, and a second member, which is integrally formed with the first member and is disposed outside the engine room so as to be inclined upwardly at a predetermined inclination. | 01-28-2010 |
Byung-Chul Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20100252734 | POWER SUPPLY FOR ELECTRON GUN AND ELECTRON MICROSCOPE HAVING THE SAME - A power supply for supplying an electric power to an electron gun, which is used in an electron microscope, and an electron microscope having the same are disclosed. The power supply includes a base board, and at least one sub-board vertically mounted on the base board to supply an electric power to an anode electrode, a filament for emitting electrons, and a grid. The at least one sub-board can include a first sub-board to supply an accelerating voltage to the anode electrode, a second sub-board to supply a heating current to the filament, and a third sub-board to supply a grid voltage to the grid. | 10-07-2010 |
Gye Rok Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20090012366 | RIGID-TYPE ELECTRONIC VIDEOENDOSCOPE - Disclosed herein is a rigid-type videoendoscope, which can allow a doctor to easily examine a patient's affected part using an image capturing part mounted on an end portion of a support tube, which can easily turn on and off LEDs for emitting light for allowing a CCD or CMOS image sensor to capture an image of the patient's affected part, and which can reduce electric power consumption, thereby improving economical efficiency. | 01-08-2009 |
Hyo Jeong Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20110053720 | DUAL MODE CONTINUOUSLY VARIABLE TRANSMISSION - A dual mode continuously variable transmission (DMCVT), which can maintain advantages of a reducer operated in low-speed running mode and makes the diameter ratio of variable speed pulleys in high-speed transmission mode act as a reducer, thus improving durability and energy efficiency of the CVT. The DMCVT has a drive variable speed pulley mounted on an input shaft connected to an engine, a driven variable speed pulley mounted on an output shaft and receiving a rotatory force from the drive pulley through a belt, a drive shaft, first and second mode output gears mounted on the output shaft, first and second mode drive gears mounted on the drive shaft and gearing into the first and second mode output gears, respectively, and a synchro selector selectively engaging with a gear of one of the drive and driven shafts. | 03-03-2011 |
| 20110067512 | COAXIAL MULTI-CLUTCH TRANSMISSION - Disclosed herein is a coaxial multi-clutch transmission which can enhance fuel efficiency. The transmission includes a main input shaft, a first input shaft, a second input shaft, a first clutch, a second clutch, a power transmitting gear unit, an output shaft, drive gears and driven gears. The first and second input shafts have a coaxial structure and are power-connected to the main input shaft. The first clutch is provided on the first input shaft to control power connection between the main input shaft and the first input shaft. The second clutch is provided on the second input shaft to control power connection between the main input shaft and the second input shaft. The power transmitting gear unit functions to transmit power to the first clutch and the second clutch. | 03-24-2011 |
Hyoung-Goo Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20090154585 | Channel estimation method and training signal creating method for channel estimation in mimo- ofdm system - Provided are a training signal generation method using impulse trains encoded with orthogonal codes and a channel estimation method using an orthogonal code decoding in a Multiple-Input Multiple-Output-Orthogonal Frequency Division Multiplex (MIMO-OFDM) system. The channel estimation method using the orthogonal code decoding in the MIMO-OFDM system includes the steps of creating a plurality of orthogonal codes depending on the number of receive antennas, decoding a signal received through each receive antenna by using the orthogonal codes, and estimating a channel response by averaging the received signals decoded with the orthogonal codes every OFDM symbol. | 06-18-2009 |
Ii Kyoon Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20110100699 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a method of manufacturing a printed circuit board, including: forming a buildup layer on a base substrate including a circuit layer connected with a first via penetrating an insulation layer; forming a viahole penetrating the buildup layer and at least a part of the first via; and forming an interlayer connection member in the viahole. The method is advantageous in that a process of forming a multilayer connection structure can be simplified, and an error in the formation of a viahole can be minimized. | 05-05-2011 |
Sang Yoon Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20100015243 | METHOD FOR PREPARING MATERIALS HAVING ANTITHROMBOTIC ACTIVITY FROM MUSKRAT MUSK AND MATERIALS OBTAINED FROM THE METHOD - Disclosed herein is a method of preparing an antithrombotic agent from muskrat musk and an antithrombotic agent having a high potency obtained therefrom, wherein the antithrombotic agent is prepared by treating muskrat musk with ethanol to obtain an ethanol extract; carrying out two normal phase column chromatographies while raising the combination ratio of hexane and ethyl acetate to obtain numerous fractions; carrying out thin layer chromatographies and identifying the material patterns of the fractions with UV lamps and 10% sulfuric acid to divide the materials which have a similar moving distance into groups; measuring a thrombin time of each group to isolate a group having a potent antithrombotic activity; carrying out a reverse phase column chromatography while raising the combination ratio of acetonitrile and water to obtain numerous fractions; and isolating an antithrombotic agent material having a high potency therefrom. According to the present invention which provides an antithrombotic agent having a high potency from muskrat musk, the value added of muskrat musk is raised. | 01-21-2010 |
Sung Woon Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20110244365 | METAL OXIDE-YTTRIA STABILIZED ZIRCONIA COMPOSITE AND SOLID OXIDE FUEL CELL USING THE SAME - Disclosed is a metal oxide-yttria stabilized zirconia composite, including 25˜75 wt % of a metal oxide-3 mol % yttria stabilized zirconia composite, and 75˜25 wt % of a metal oxide-8 mol % yttria stabilized zirconia composite. A solid oxide fuel cell is also provided, which includes the metal oxide-yttria stabilized zirconia composite as an anode layer or a support layer of an anode layer. | 10-06-2011 |
Yeong Min Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20090200150 | WASTE-TIRE RECYCLING SYSTEM - Disclosed is a system for recycling waste tires, which are industrial wastes, so as to protect our environment against pollution and promote recycling of industrial material. The waste-tire recycling system includes a pyrolyzing unit for pyrolyzing a waste tire by using a pyrolysis reactor, in which a CO or N gas circulates as a carrier gas, a decomposed residue processing unit for crushing a decomposed residue pyrolyzied by the pyrolysis reactor to separate the decomposed residue into carbon and an iron core, an oil collecting unit for cooling and condensing an exhaust gas discharged from the pyrolysis reactor to recover heavy oil from the gas, a carbon processing unit for supplying a heat source to the circulating carrier gas by using a hot exhaust gas generated when the carbon separated from the decomposed residue is burned up, and operating a steam turbine and an absorption refrigerator to generate electricity and cold water, an exhaust gas processing unit for clarifying the exhaust gas discharged from the carbon processing unit to discharge the clarified gas in an atmosphere, and recovering a part of the CO or N gas from the exhaust gas. | 08-13-2009 |
Younghun Jeon, Busan KR
| Patent application number | Description | Published |
|---|---|---|
| 20110220507 | MICROCHANNEL-TYPE FLUID MIXING APPARATUS USING AC ELECTROOSMOTIC FLOWS (AC-EOF) AND INCLINED-ELECTRODE PATTERNS - The present invention provides a microchannel-type fluid mixing apparatus using AC electroosmotic flows (AC-EOF) for inducing the mixing of fluid materials flowing in a microchannel and inclined-electrode patterns. The fluid mixing apparatus according to the present invention enables the electrical connection between the respective electrodes arranged inclinedly along a lengthwise direction of a microchannel on an inner bottom wall surface of the microchannel and the power supply unit for supplying AC power is controlled by the controller so that AC power form the power supply unit is applied to the electrodes in two patterns alternately performed over time. Thus, the fluid materials vortically flow in a vertical direction over the respective electrodes while changing their rotational direction over time, leading to a smooth mixing of the fluid materials. Particularly, the present invention enhances the mixing efficiency of fluid materials while employing a simplified electrode arrangement structure. | 09-15-2011 |