Kim, Cheongju
Byoung-Kun Kim, Cheongju KR
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20120255751 | WIRELESS SMALL MOTOR DRIVER HAVING ROTATION REDUCTION GEAR - A wireless small motor driver, in which power consumption is decreased by adjusting a gear ratio, the efficiency of an operation is increased due to a high torque, and the safety of a worker at night is ensured using an illumination lamp. The wireless small motor driver includes a driver case inside of which a motor is provided. A driver bit has a predetermined length in a bilateral direction, the driver bit being replaceable, with one or both ends thereof conforming to the shape of a bolt, and has a fixing projection. A socket is coupled to an end portion of the driver case, the driver bit being fastened to the socket. A rotation reduction gear is coupled to the motor, the rotation reduction gear transmitting rotary force to the socket and increasing a torque. A USB and a battery for supplying uniform power to the motor are added. | 10-11-2012 |
Byung Chul Kim, Cheongju KR
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20120200376 | VACUUM INTERRUPTER FOR VACUUM CIRCUIT BREAKER - The present invention relates to a vacuum interrupter in a vacuum circuit breaker. According to the present invention, there is provided an attraction member made of a ferromagnetic body for surrounding between the stationary electrode and movable electrode to attract a radial magnetic field generated in a radial direction between the stationary electrode and movable electrode by means of the attraction member, and through this a component of the radial magnetic field may be increased in an overall horizontal direction between the stationary electrode and movable electrode, and as a result the radial magnetic field may be further enhanced between both electrodes, thereby strengthening an arc driving force. | 08-09-2012 |
Chang Il Kim, Cheongju KR
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20150029805 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes a plurality of first regions formed in a line-type and extending in a first direction, and a plurality of second regions and a plurality of third regions arranged between adjacent first regions in a zigzag manner. | 01-29-2015 |
20150186309 | APPARATUS AND METHOD FOR PROCESSING DATA - A data processing device includes a controller. The controller includes a compression circuit configured to compare a plurality of data groups, each of which has a first burst length and is transmitted in units of an input/output width, with a predetermined pattern, and perform data compression on the data groups based on a result of comparison. The controller further includes a compression data restructuring circuit configured to generate a transmission data group by restructuring the compressed data group to have a second burst length. | 07-02-2015 |
20150188566 | APPARATUS AND METHOD FOR PROCESSING DATA - A data processing device includes a compression circuit and a padding circuit. The compression circuit is configured to compare pairs of two contiguous bits within data composed of 2n bits (where n is a natural number), and compress the data based on a result of the comparison. The padding circuit is configured to generate transmission data of 2n bits by padding the compressed data with a dummy pad. | 07-02-2015 |
Changjong Kim, Cheongju KR
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20090135335 | OPTICAL FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - An optical film and a liquid crystal display including the optical film are disclosed. The optical film includes a reflective polarizing film, a first primer layer on the reflective polarizing film, and a first projection on the first primer layer. | 05-28-2009 |
20100265434 | OPTICAL FILM, BACKLIGHT UNIT INCLUDING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - An optical film, a backlight unit having the same, and a liquid crystal display device having the same are disclosed. The optical film comprises a base film and a plurality of structures disposed on the base film, at least one of the structures comprising a plurality of beads with a diffusion portion having a first diameter and a transmission portion having a second diameter integrally formed with each other. | 10-21-2010 |
Deog Yong Kim, Cheongju KR
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20140081171 | Method and Apparatus for Generating Laser - Disclosed herein is an apparatus for generating a laser. The apparatus includes, on an upper surface of a PCB, a display unit ( | 03-20-2014 |
Dong Hoon Kim, Cheongju KR
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20130147009 | SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - A semiconductor device includes: a fuse pattern formed at a first level, a first line pattern formed at a second level lower than the first level, a second line pattern formed at a third level higher than the first level, a first contact plug coupling the fuse pattern to the first line pattern | 06-13-2013 |
Hyun Eui Kim, Cheongju KR
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20150185484 | PUPIL TRACKING APPARATUS AND METHOD - Provided is a pupil tracking apparatus and method, the apparatus including an image acquirer to acquire an image of an object by capturing the object, a space position detector to detect, from the image, a three-dimensional (3D) position of a predetermined portion in the object, and a display to output a hologram to a space corresponding to the 3D position. | 07-02-2015 |
Hyun Jae Kim, Cheongju KR
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20090015990 | DRAW IN-OUT APPARATUS FOR AIR CIRCUIT BREAKER - Disclosed is a draw in-out apparatus that is suitable for an air circuit breaker having large capacity and size, the apparatus comprising: a movable plate meshed with the thread portion of a spindle so as to be movable back and forth; rack gear installed on the movable plate so as to be movable back and forth along with the movable plate moving back and forth; pinion gear installed to be meshed with the rack gear and rotatable according to the rack gear moving back and forth; a cam rotatable by a rotational driving force transferred from the pinion gear by being provided with a teeth portion meshed with the pinion gear and having a radius larger than those of the pinion gear so as to amplify a torque transferred from the pinion gear and provided with a cam slot portion for enduring a load of the main body and a reaction force generated when the main body and the cradle are electrically connected to each other while the main body is moved to a connected position; a pivot disposed on the cradle at a position adjacent to the middle of a height between electric terminals of the cradle so as for the cam to effectively endure the load of the main body and the reaction force generated when the main body and the cradle are electrically connected to each other; and a driving protruding portion extended from the main body with moving together with the main body and connected to the cam thus to transfer a driving force from the cam to the main body. | 01-15-2009 |
20100230256 | APPARATUS FOR PREVENTING WITHDRAWING OR INSERTING OF CARRIAGE IN CIRCUIT BREAKER - An apparatus for preventing withdrawing and insertion of a carriage of a circuit breaker is disclosed. When a circuit breaker main body is inserted, an interlocking unit operates by interworking with the carriage withdrawing and inserting preventing apparatus, and while the circuit breaker is being closed, a withdrawal and insertion handle prevents a lead screw from being rotated by the interlocking unit. Thus, when the circuit breaker performs a closing operation, unnecessary withdrawing and inserting operation of the carriage is basically prevented to thus prevent various safety accidents, a contact resistance, a temperature increase, and damage to a device resulting from a breakdown. | 09-16-2010 |
20100230258 | RUN/TEST POSITION INDICATOR DEVICE OF VACUUM CIRCUIT BREAKER - A run/test position indicator device of a vacuum circuit breaker includes: a position indication cam installed between a girder, a fixed body, and a main body of a carriage, a moving body, and rotating at a certain angle according to a change in the space between the girder and the main body of the carriage; and an indication member, to which the position indication cam is rotatably coupled, having a mark symbol to allow the position indication cam to indicate a run and test position of a main body of circuit breaker. | 09-16-2010 |
Hyun-Jong Kim, Cheongju KR
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20150230319 | INDIVIDUAL LIGHTING CONTROL APPARATUS AND METHOD - An individual lighting control apparatus and method are disclosed herein. The individual lighting control apparatus includes a reception unit, a terminal connection unit, a sensor unit, and a lighting environment sensing and terminal state determination unit. The reception unit receives the location information of a corresponding individual illumination light. The terminal connection unit acquires the state information of a terminal corresponding to the location information of the illumination light. The sensor unit acquires the sensor information of the set surrounding area of the terminal. The lighting environment sensing and terminal state determination unit sets operation mode based on the state of the connection with the terminal, and then monitors the state of the terminal or the state of the set surrounding area of the terminal in accordance with the set operation mode. The individual illumination light is controlled by providing state change information to a lighting control scheduler. | 08-13-2015 |
Hyun Joong Kim, Cheongju KR
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20100026159 | IGNITION PLUG - Provided is an ignition plug used for an internal-combustion engine. The ignition plug includes: a center electrode; an insulator disposed outside the center electrode; a metal housing disposed outside the insulator; a ground electrode having an end connected to the metal housing and the other end facing the center electrode; and an electrode tip fixed to one or more of the center electrode and the ground electrode. The electrode tip is made of an alloy of iridium Ir, hafnium Hf, and niobium Nb. Therefore, the ignition plug with the low-cost iridium can have high resistance to prevent an iridium element from oxidizing and vaporizing in high speed driving conditions. | 02-04-2010 |
20100258541 | METHOD FOR WELDING TIP OF ELECTRODE IN SPARK PLUG - A method of welding a noble metal tip of a spark plug to an electrode is provided. In the method of welding, in a waveform of a power of a laser beam according to a time of the laser welding, a power of a central portion thereof is smaller than those of both end portions thereof. In addition, the waveform of the power of the laser beam according to a time of the laser welding is a trapezoidal waveform which includes: a rising portion in which the power of the laser beam is gradually increased; a power maintaining portion in which the power of the laser beam after the rising portion is maintained uniform; and a falling portion in which the power of the laser beam after the power maintaining portion is gradually decreased. In addition, the waveform of the power of the laser beam according to a time of the laser welding is a triangular waveform which includes: a rising portion in which the power of the laser beam is gradually increased; and a falling portion in which the power of the laser beam after the rising portion is gradually decreased. Accordingly, it is possible to securely attach the electrode tip to a central electrode or a ground electrode. | 10-14-2010 |
Incheol Kim, Cheongju KR
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20110100912 | IMMERSION TYPE MEMBRANE SEPARATOR DEVICE - An immersion type membrane separation device is disclosed. The immersion type membrane separation device includes a membrane module case including a plurality of membrane modules, a diffuser case positioned under the membrane module case, the diffuser case including a diffuser, and a supply unit for supplying air to the diffuser, the supply unit including a pipe connected to the diffuser. Air is supplied to the diffuser through the pipe, and a wastewater existing in the pipe is discharged through the diffuser. | 05-05-2011 |
In-Kyum Kim, Cheongju KR
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20100163374 | POSITION INDICATING DEVICE - Disclosed is a position indicating device for a pull-out type circuit breaker used to cut off a current, the position indicating device including a position indicating plate installed at a lower surface of the circuit breaker to be rotatable up and down and having an arrow marked thereon, an indication supporter installed at a cradle and having stepped pressing surfaces for pressing up the position indicating plate, and a frame portion of a movable carriage, the frame portion having windows for externally showing a rotated state of the position indicating plate, whereby when the circuit breaker is docked with the cradle, the position to indicating plate is rotated by the indication supporter so as to indicate the position of the circuit breaker through the windows, thereby allowing a fast and precise recognition of the position of the circuit breaker. | 07-01-2010 |
Ji Mook Kim, Cheongju KR
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20110147466 | LED PACKAGE AND RFID SYSTEM INCLUDING THE SAME - The LED package comprising a substrate and a display device, stacked on the substrate, including a light emitting diode (LED), and so on. A light emitting diode (LED) package comprises a LED device configured to emit light, an electrostatic discharge (ESD) device including an ESD circuit formed under the LED device, a printed circuit board (PCB), including a power supply line, formed under the ESD device, and a heat sink substrate, formed under the PCB, configured to release a heat delivered from the LED device through the ESD device and PCB. | 06-23-2011 |
Jong Doo Kim, Cheongju KR
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20130168213 | CIRCUIT BREAKER PROVIDED WITH MECHANICAL TRIP MECHANISM - A circuit breaker having a mechanical trip mechanism enabling a circuit breaker to perform an emergency manual trip operation is provided. The circuit breaker includes: a fixed contactor connected to a circuit; a movable contactor movable to a closed state in which the movable contactor is in contact with the fixed contactor and a broken state in which the movable contactor is separated from the fixed contactor, an opening and closing mechanism configured to convert a rotational motion of a plurality of links and a rotational shaft to enable the movable contactor to be brought into contact with the fixed contactor or separated therefrom; a trip latch locked to or unlocked from a main link provided in the opening and closing mechanism; and an OFF button configured to rotate the trip latch to unlock the trip latch from the main link when manually pressed. | 07-04-2013 |
Jung Sik Kim, Cheongju KR
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20140161678 | SCRUBBER SYSTEM HAVING AN APPARATUS FOR CREATING AUTOMATIC AN OXIDIZING BENT AND ABSORBENT - The present invention relates to a scrubber system having an automatic generator for an oxidizing-absorbing agent. The scrubber system comprises a scrubber and an oxidizing-absorbing agent generator. The scrubber includes a pollutant gas inlet through which air pollutants are introduced, a treated gas outlet through which the pollutant gas which has been treated is discharged, and a treated water outlet through which wastewater which has been used to treat the pollutant gas is discharged. The oxidizing-absorbing agent generator generates an oxidizing-absorbing agent by electrolyzing saline water or seawater in the scrubber, and supplies the generated oxidizing-absorbing agent into the scrubber to treat the pollutant gas introduced through the pollution gas inlet, thereby removing harmful substances. | 06-12-2014 |
Kyongrae Kim, Cheongju KR
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20090296023 | OPTICAL SHEET, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY - An optical sheet, a backlight unit including the optical sheet and a liquid crystal display including the backlight unit are disclosed. The optical sheet includes a reflective polarizing film, and a first diffusing layer on the reflective polarizing film. The first diffusing layer includes a plurality of first diffusion particles. The first diffusion particles have a volume distribution as a function of diameter. For a diameter D of a first diffusion particle corresponding to a maximum value of the volume distribution, a summation of volumes of a portion of the first diffusion particles having diameters between D−2 μm and D+2 μm is about 40% to 80% of a total volume of the first diffusion particles. | 12-03-2009 |
20090296028 | OPTICAL SHEET AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - An optical sheet and a liquid crystal display including the same are disclosed. The optical sheet includes a reflective polarizing film, a first adhesive layer on one surface of the reflective polarizing film, and a first diffusion layer on the first adhesive layer. The first adhesive layer has first and second thicknesses. The first diffusion layer includes a first light transmitting material and a plurality of first diffusion particles. At least one of the first diffusion particles has a portion protruding above a surface of the first light transmitting material, and a height of the portion, h | 12-03-2009 |
Kyung Ho Kim, Cheongju KR
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20110179342 | COMMUNICATION ERROR MONITORING SYSTEM OF POWER DEVICE BASED ON ETHERNET AND METHOD THEREOF - Disclosed is communication error monitoring system and method thereof. In the present disclosure, a master lower-level device, at least one or more slave lower-level devices, and an upper-level monitoring unit are inter-connected via Ethernet, wherein the upper-level monitoring unit receives information of lower-level devices determined as with communication error from the master lower-level device to request and collect necessary data with the slave lower-level devices except for the lower-level devices with the communication error through Ethernet. And thus, a communication delay unnecessary of an entire power system is eliminated and a real time response and stability of a system is enhanced. | 07-21-2011 |
20120137356 | INTELLIGENT ELECTRIC DEVICE AND NETWORK SYSTEM INCLUDING THE DEVICE - A protection relay installed at a power system and a network system including the protection relay are disclosed, the protection relay storing a security level of a plurality of systems or a plurality of source addresses, instructing whether to short-circuit a power by checking a security level of a data-transmitting system based on a security level stored in a security level setting device, or instructing whether to short-circuit a power by comparing the source addresses included in the data with the plurality of source addresses. | 05-31-2012 |
Myoung-Soo Kim, Cheongju KR
Patent application number | Description | Published |
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20090015990 | DRAW IN-OUT APPARATUS FOR AIR CIRCUIT BREAKER - Disclosed is a draw in-out apparatus that is suitable for an air circuit breaker having large capacity and size, the apparatus comprising: a movable plate meshed with the thread portion of a spindle so as to be movable back and forth; rack gear installed on the movable plate so as to be movable back and forth along with the movable plate moving back and forth; pinion gear installed to be meshed with the rack gear and rotatable according to the rack gear moving back and forth; a cam rotatable by a rotational driving force transferred from the pinion gear by being provided with a teeth portion meshed with the pinion gear and having a radius larger than those of the pinion gear so as to amplify a torque transferred from the pinion gear and provided with a cam slot portion for enduring a load of the main body and a reaction force generated when the main body and the cradle are electrically connected to each other while the main body is moved to a connected position; a pivot disposed on the cradle at a position adjacent to the middle of a height between electric terminals of the cradle so as for the cam to effectively endure the load of the main body and the reaction force generated when the main body and the cradle are electrically connected to each other; and a driving protruding portion extended from the main body with moving together with the main body and connected to the cam thus to transfer a driving force from the cam to the main body. | 01-15-2009 |
Sang Duck Kim, Cheongju KR
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20110095425 | Ball grid array substrate, semiconductor chip package and method of manufacturing the same - Provided is a ball grid array substrate, a semiconductor chip package, and a method of manufacturing the same. The ball grid array substrate includes an insulating layer having a first surface providing a mounting region for a semiconductor chip, a second surface opposing the first surface, and an opening connecting the second surface with the mounting region of the semiconductor chip, and a circuit pattern buried in the second surface. Since the ball grid array substrate is manufactured by a method of stacking two insulating layers, existing devices can be used, and the ball grid array substrate can be manufactured as an ultra thin plate. In addition, since the circuit pattern is buried in the insulating layer, a high-density circuit pattern can be formed. | 04-28-2011 |
20140017855 | METHOD OF MANUFACTURING A BALL GRID ARRAY SUBSTRATE OR A SEMICONDUCTOR CHIP PACKAGE - A method of manufacturing a ball grid array substrate includes: forming a first circuit pattern and a second circuit pattern on a first metal carrier and a second metal carrier, respectively; stacking a first insulating layer and a second insulating layer with a separable material interposed therebetween, wherein each of the first and second insulating layers has first and second surfaces opposing each other, and the first surface contacts the separable material; burying the first and second circuit patterns in the second surfaces of the first and second insulating layers, respectively; removing the first and second metal carriers; removing the separable material to separate the first and second insulating layers from each other; and forming an opening in each of the first and second insulating layers to connect the first and second surfaces with each other. The method may also be part of a process for manufacturing a semiconductor package. | 01-16-2014 |
Seoheon Kim, Cheongju KR
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20150059585 | COFFEE MACHINE - The present invention relates to a coffee machine comprising: a tank ( | 03-05-2015 |
Tae-Jung Kim, Cheongju KR
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20140002598 | TRANSPORT SYSTEM AND CLIENT SYSTEM FOR HYBRID 3D CONTENT SERVICE | 01-02-2014 |
20140089389 | METHOD AND APPARATUS FOR PROVIDING WEB-BASED MULTI-NETWORK ADAPTIVE MULTI-SCREEN SERVICE - An apparatus and a method for providing a web-based multi-network adaptive multi-screen service are provided. According to an exemplary embodiment of the present invention, a multi-screen server, a smart device providing a multi-screen and multi-networks are associated with each other to provide a multi-screen service. | 03-27-2014 |
Taek Seung Kim, Cheongju KR
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20110157968 | SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device measures a leakage current generated when a unit cell is accessed during a test process. The semiconductor memory device includes a unit cell configured to include a memory element, a word line configured to be coupled to one end of the unit cell, and a bit line configured to be coupled to the other end of the unit cell. In a normal operation, a current signal flows from the bit line to the word line through the unit cell such that data stored in the memory element is read. In a test operation, the word line is deactivated and a read operation is carried out such that data stored in the memory element is read. | 06-30-2011 |
Wan Soo Kim, Cheongju KR
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20120001258 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A semiconductor device includes a gate metal buried within a trench included in a semiconductor substrate including an active region defined by an isolation layer, a spacer pattern disposed on an upper portion of a sidewall of a gate metal, a first gate oxide layer disposed between the spacer pattern and the trench, a second gate oxide layer disposed below the first gate oxide layer and the gate metal, and a junction region disposed in the active region to overlap the first gate oxide layer. | 01-05-2012 |
20130277737 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A semiconductor device includes a gate metal buried within a trench included in a semiconductor substrate including an active region defined by an isolation layer, a spacer pattern disposed on an upper portion of a sidewall of a gate metal, a first gate oxide layer disposed between the spacer pattern and the trench, a second gate oxide layer disposed below the first gate oxide layer and the gate metal, and a junction region disposed in the active region to overlap the first gate oxide layer. | 10-24-2013 |
Yongsu Kim, Cheongju KR
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20090135335 | OPTICAL FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - An optical film and a liquid crystal display including the optical film are disclosed. The optical film includes a reflective polarizing film, a first primer layer on the reflective polarizing film, and a first projection on the first primer layer. | 05-28-2009 |
20100265434 | OPTICAL FILM, BACKLIGHT UNIT INCLUDING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - An optical film, a backlight unit having the same, and a liquid crystal display device having the same are disclosed. The optical film comprises a base film and a plurality of structures disposed on the base film, at least one of the structures comprising a plurality of beads with a diffusion portion having a first diameter and a transmission portion having a second diameter integrally formed with each other. | 10-21-2010 |