Sung Gu
Sung Gu Cho, Gyeonggi-Do KR
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20100265897 | METHOD FOR RETRANSMITTING PACKETS ACCORDING TO DECODING FAILURES OR RELIABILITY - A method for retransmitting packets in accordance with decoding failure or reliability is disclosed. A method for retransmitting packets from a transmitting side in accordance with information of a receiving side comprises changing an order of packet symbols mapped with subcarriers, if retransmission information representing decoding success or reliability for a specific codeword is received from the receiving side! mapping the packet symbols with the subcarriers in accordance with the changed order; and transmitting a codeword generated in accordance with the mapped result to the receiving side. Thus, it is possible to improve packet decoding success probability of the receiving side during initial transmission or retransmission by controlling a type of transmission packets in accordance with feedback information of the receiving side. | 10-21-2010 |
20100272055 | METHOD OF MULTIPLEXING MULTIPLE ACCESS REGION - A method for multiplexing one or more multiple access regions is disclosed. The method for multiplexing one or more multiple access regions in a wireless access system comprises multiplexing the one or more multiple access regions so that a first base station and a second base station among a plurality of base stations which use one or more multiple access schemes together under a multi-cell environment use a single multiple access scheme in a predetermined resource region allocated to each of the first base station and the second base station; and transmitting multiplexing information obtained from the multiplexing the one or more multiple access regions to a mobile station included in a cell region of the plurality of base stations. As a user uses SC-FDMA scheme and OFDMA scheme together, it is possible to obtain a single carrier effect of the SC-FDMA system and flexibility of the OFDMA system on a time axis and a frequency axis. | 10-28-2010 |
Sung Gu Kwon, Suwon-Si KR
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20120116581 | ROBOT AND METHOD OF CONTROLLING THE SAME - A robot which is able to complete all or a part of desired operations and take a safety countermeasure in order to prevent an unexpected result from being obtained, even when a power source of a motor-based robot is unintentionally and suddenly cut off. A method of controlling a robot, which includes a main power source, a subsidiary power source and a motor to receive power from at least one of the main power source and the subsidiary power source, includes driving the motor using power supplied from the subsidiary power source if power supplied from the main power source is cut off, selecting at least one of a plurality of safety control modes to stably control the robot in consideration of a current state of the robot, and controlling the robot to operate in the selected safety control mode. | 05-10-2012 |
Sung Gu Lee, Gunpo-Si KR
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20120256509 | MOTOR AND MAGNETIZING APPARATUS AND MAGNETIZING METHOD OF MOTOR - An apparatus for magnetizing magnets provided among a plurality of cores of a motor of a washing machine and a method thereof, is capable of fully magnetizing a magnet forming a rotor and including a plurality of teeth disposed around two cores of the plurality of cores, the two cores being laterally provided while interposing one of the magnets therebetween, and a coil being provided around the plurality of teeth to form a magnetic flux to magnetize the one magnet interposed between the two cores laterally provided. | 10-11-2012 |
20130061640 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having a structure capable of achieving an enhancement in durability and a washing machine, to which the motor is applied. The motor includes a stator including a plurality of stator cores arranged in a circumferential direction, and coils respectively wound around the stator cores, and a rotor rotatably arranged inside or outside the stator. The rotor includes a plurality of rotor cores arranged in a circumferential direction of the rotor, a plurality of magnets each disposed between neighboring ones of the rotor cores, a molded body having a bridge to support the plurality of rotor cores and the plurality of magnets, and a coupler including coupling ribs outwardly extending from an outer circumferential surface of the bridge in a radial direction of the rotor, and coupling grooves formed at inner ends of the rotor cores supported by the bridge, to receive the coupling ribs, respectively. | 03-14-2013 |
20130061641 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having a structure capable of achieving a reduction in magnetic flux leakage occurring at a rotor and a washing machine, to which the motor is applied. The motor includes a stator including a plurality of stator cores arranged in a circumferential direction, and coils respectively wound around the stator cores, and a rotor rotatably arranged inside the stator. The rotor includes a plurality of rotor cores arranged in a circumferential direction of the rotor, a plurality of magnets each disposed between neighboring ones of the rotor cores such that the magnet extends in an axial direction of the rotor outwardly of upper and lower surfaces of the neighboring rotor cores, and a molded body to support the plurality of rotor cores and the plurality of magnets. The molding body includes a shaft hole, to which a motor shaft is coupled. | 03-14-2013 |
20140070653 | MOTOR - A motor having a structure that enhances durability of the motor. The motor includes a stator and a rotor rotatably disposed at an inside outside of the stator. The rotor includes a plurality of rotor cores radially disposed and a plurality of magnets respectively disposed between rotor cores. The area of a lateral surface of each of the magnets adjoining a lateral surface of a corresponding one of the rotor cores is greater than the area of an imaginary plane connecting one end of an upper end portion of each of the magnets to one end of a lower end portion of each of the magnets. | 03-13-2014 |
Sung Gu Lee, Anyang-Si KR
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20130200739 | MOTOR - A motor realizes mechanical field-weakening control by controlling the leakage magnetic flux from the rotor cores of the motor. The motor includes a stator, a rotor including rotor cores circumferentially spaced apart from one another inside the stator and permanent magnets disposed between the respective rotor cores which extend radially from the stator, and a magnetic flux adjustment unit including a ring-shaped main frame, magnetic substance portions extending from the main frame so as to be circumferentially spaced apart from one another and non-magnetic regions defined between the magnetic substance portions. The magnetic flux adjustment unit is rotatable to control the leakage magnetic flux from the rotor cores. | 08-08-2013 |
20130200747 | MOTOR AND WASHING MACHINE HAVING THE SAME - A motor having an improved structure to be driven while maintaining a constant level of performance, and a washing machine having the same, the washing machine including a body, a tub disposed inside the body, a drum rotatably disposed inside the tub, and a motor coupled to a rear surface of the tub to drive the drum, wherein the motor includes a stator, which includes at least one fixing pin inserted into the rear surface of the tub; and at least one fixing hole concentrically disposed with the at least one fixing pin, and a rotor rotatably disposed at an inner side or at an outer side of the stator. | 08-08-2013 |
20140359969 | MOTOR APPARATUS AND CLEANER HAVING THE SAME - A motor apparatus having a high efficiency and reducing manufacturing cost by using a cost effective ferrite permanent magnet includes a rotatable shaft, a fan connected to one side of the shaft to generate a flow of air, a stator including stator cores arranged in a circumferential direction, and a coil wound around the stator core, and a rotor disposed at an inside of the stator and provided in a form of a cylinder having a passage allowing the shaft to pass through the rotor includes a rotor core provided with a protrusion structure and one or more ferrite magnets coupled to the rotor core to provide a magnetic force. By using a ferrite magnet, when compared to a conventional universal motor, a superior efficiency is obtained, and when compared to a BLDC motor using a Nd magnet, a low cost BLDC motor is implemented. | 12-11-2014 |
Sung Gu Lee, Incheon KR
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20110262374 | NOVEL COMPOUND RAMALIN AND USE THEREOF - The present invention relates to a novel compound having excellent antioxidant activity, isolated from | 10-27-2011 |
20130116324 | PHARMACEUTICAL COMPOSITION FOR THE PREVENTION OR TREATMENT OF INFLAMMATORY DISEASES OR IMMUNE DISEASES CONTAINING RAMALIN - The present invention relates to the novel use (anti-inflammatory activity) of Ramalin isolated from the Antarctic lichen | 05-09-2013 |
20130211133 | "METHOD FOR PREPARING RAMALIN" - The present invention relates to a method for synthesizing ramalin, and more particularly to a method for synthesizing ramalin, which comprises allowing 2-hydrazinylphenol to react with L-glutamic acid having a protected carboxyl group at C-1 and a protected amino group at C-2, and a method for preventing decomposition of the ramalin. According to the present invention, ramalin having excellent antioxidant and anti-inflammatory activities can be synthesized in high yield, and thus can be produced in large amounts. In addition, ramalin can be stably maintained for a long period of time, and thus can be easily used for industrial purposes. | 08-15-2013 |
20140235719 | PHARMACEUTICAL COMPOSITION FOR THE PREVENTION OR TREATMENT OF INFLAMMATORY DISEASES OR IMMUNE DISEASES CONTAINING RAMALIN - The present invention relates to the novel use (anti-inflammatory activity) of Ramalin isolated from the Antarctic lichen | 08-21-2014 |
Sung Gu Oh, Gimpo-Si KR
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20150231727 | NON-CONSUMABLE ELECTRODE WELDING SYSTEM AND WELDING METHOD THEREOF - A non-consumable electrode welding system and a welding method thereof are disclosed. The non-consumable electrode welding method of the present invention includes a step of applying (+) or (−) polarity to a welding wire as a basic material and a filter metal and applying, to a non-consumable electrode rod, the polarity opposite to the polarity of the welding wire. | 08-20-2015 |
Sung Gu Oh US
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20150231727 | NON-CONSUMABLE ELECTRODE WELDING SYSTEM AND WELDING METHOD THEREOF - A non-consumable electrode welding system and a welding method thereof are disclosed. The non-consumable electrode welding method of the present invention includes a step of applying (+) or (−) polarity to a welding wire as a basic material and a filter metal and applying, to a non-consumable electrode rod, the polarity opposite to the polarity of the welding wire. | 08-20-2015 |
Sung-Gu Kwon, Yingin-Si KR
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20130175969 | SERVO CONTROL APPARATUS AND METHOD FOR CONTROLLING THE SAME - A servo control apparatus and method, the servo control apparatus including an input unit configured to receive an execution command with respect to one of a first control mode and a second control mode that are configured to control a motor, a plurality of detection units each configured to detect sensing data required for executing each of the first control mode and the second control mode, and a control unit configured to receive a feedback of the plurality of pieces of sensing data detected through the plurality of detection units while executing the first control mode, determine a point of time when a control mode is needed to be changed if the execution command with respect to the second control mode is input through the input unit, and check the sensing data required for executing the second control mode among the plurality of sensing data that are fed back. | 07-11-2013 |
Sung-Gu Lee, Cheongju-Si KR
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20150125677 | HARD COATING FOR CUTTING TOOL - Provided is a hard film for a cutting tool formed on a surface of a base material, the hard film being comprised of a nano multi-layered structure comprising a thin layer A, a thin layer B, a thin layer C and a thin layer D or a structure in which the nano multi-layered structure is repeatedly stacked at least twice, wherein the thin layer A is comprised of Ti | 05-07-2015 |
20150125678 | HARD FILM FOR CUTTING TOOL - Provided is a hard film formed on a surface of a base material, the hard film being comprised of a nano multi-layered structure formed by stacking a thin layer A, a thin layer B a thin layer C in order of thin layers A-B-A-C from the base material or being comprised of a structure formed by repeatedly stacking the nano multi-layered structure at least twice, wherein the thin layer A is comprised of Ti | 05-07-2015 |
20150152561 | HARD FILM FOR CUTTING TOOL - Provided is a hard film for a cutting tool formed on a surface of a base material, the hard film being comprised of a nano multi-layered structure formed by sequentially stacking a thin layer A, a thin layer B, a thin layer C and a thin layer D or being comprised of a structure formed by repeatedly stacking the nano multi-layered structure at least twice, wherein the thin layer A is comprised of Ti | 06-04-2015 |
Sung-Gu Lee, Cheongju-Si, Chungcheongbuk-Do KR
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20150307998 | MULTILAYER THIN FILM FOR CUTTING TOOL AND CUTTING TOOL INCLUDING THE SAME - Provided is a multilayer thin film for a cutting tool, in which micro-scale thin films having a thickness of a few nanometers to tens of nanometers are alternately stacked, having less quality variations and being capable of realizing excellent wear resistance. The multilayer thin film according to the present disclosure is a multilayer thin film for a cutting tool, in which unit thin films which are respectively formed of thin layers A, B, C, and D are stacked more than once, wherein elastic moduluses k of the thin layers satisfy relationships of k | 10-29-2015 |