Yongjoo
Yongjoo Cho, Seoul KR
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20120293504 | SYSTEM AND METHOD FOR TRANSMITTING THREE-DIMENSIONAL IMAGE INFORMATION USING DIFFERENCE INFORMATION - Provided is a three-dimensional (3D) image information transmitting system and method based on difference information. A 3D image information transmitting apparatus in the 3D image information transmitting system may include a difference information extractor to extract difference information by comparing a second composite texture image obtained by generating a composite of a first texture image and depth information with a second original texture image, and an image information transmitting unit to transmit 3D image information including the first texture image, the depth information, and the difference information. | 11-22-2012 |
Yongjoo Kim, Seoul KR
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20110047562 | SPINDLE MOTOR HAVING BALL BALANCER - Disclosed is a spindle motor including a turn table on which a disk is mounted; a rotation shaft that is a rotational center of the turn table; and a ball balancer including a lace formed on the turn table and a ball stored in the lace in order to reduce a rotation vibration of the disk; wherein a gap Gr formed between the ball contacting an inner surface of the lace adjacent to the rotation shaft and an outer surface of the lace facing the inner surface is about 10% to 20% of the diameter of the ball. | 02-24-2011 |
20110296448 | TURNTABLE FOR SPINDLE MOTOR AND SPINDLE MOTOR HAVING THE SAME - A spindle motor having a turntable is disclosed, the spindle motor including: a bearing having a rotation hole; a bearing housing accommodating the bearing; a stator including a core secured at a periphery of the bearing housing and a coil wound on the core; a rotation shaft rotatably coupled to the bearing; a rotor coupled to the rotation shaft and including a magnet facing the core; a turntable body coupled to the rotation shaft and formed with a round groove at a bottom surface facing an upper surface accommodated by a disk; and a turntable including at least one ball accommodated in the round groove, where a rolling frictional coefficient between the turntable and the ball is in the range of 0.12˜0.16. | 12-01-2011 |
20110311176 | Disk Rotation Device - A disk rotation device is provided, the device including: a bearing assembly including a bearing formed with a rotation shaft hole and a bearing housing that accommodates the bearing; a stator including a core secured at a periphery of the bearing housing and a coil wound on the core; a rotation shaft coupled to the rotation shaft hole; a rotor including a yoke secured at the rotation shaft and a magnet arranged at an inner lateral surface of the yoke facing a distal end of the core; and a turn table including a turn table body coupled to the rotation shaft, balls accommodated inside a circular trench of the turn table body and a cover member that blocks the trench, wherein a curve that line-contacts the balls is formed at an area where an inner lateral surface of the trench and a floor surface connected to the inner lateral surface of the trench meets. | 12-22-2011 |
20120066701 | SPINDLE MOTOR - Disclosed is a spindle motor, the spindle motor including a rotating shaft, a turntable including a body into which a through hole is formed for coupling with the rotating shaft and which supports an optical disk and rotates along with the rotating shaft, and a centering unit which is fitted over the rotating shall, moves in an axial direction of the rotating shaft, and aligns a rotating center of the optical disk with a rotating center of the rotating shaft, wherein the turntable includes a reinforcing part that protrudes from the body along a periphery of the rotating shaft. | 03-15-2012 |
20120110606 | SPINDLE MOTOR - Disclosed is a spindle motor, the spindle motor including a turntable coupled to a rotating shaft and supporting the rotating shaft and a disc, a centering unit fitted over the rotating shaft and supporting an inner circumference of the disc, and a coil spring interposed between the turntable and the centering unit to elastically support the centering unit, wherein a first end of the coil spring is brought into contact with a spring hanging portion protruding from a side surface of the centering unit, and a second end opposite to the first end of the coil spring is supported by a spring support portion formed in the turntable. | 05-03-2012 |
20120210338 | Spindle Motor - A spindle motor is disclosed, characterized by: a rotation shaft rotated by a stator and a rotor; a turn table rotated by the rotation shaft and accommodated by an optical disk; and a center cone moved along an axial direction of the rotation shaft for being brought into contact with an inner periphery of the optical disk to align a rotation center of the optical disk with a rotation center of the rotation shaft, wherein the center cone contacting the inner periphery of the optical disk is formed with a rise prevention unit configured to reduce a contact area with the inner periphery of the optical disk and to tightly contact the optical disk to the turn table. | 08-16-2012 |
20140068643 | SPINDLE MOTOR - Disclosed is a spindle motor, the spindle motor including a turntable coupled to a rotating shaft and supporting the rotating shaft and a disc, a centering unit fitted over the rotating shaft and supporting an inner circumference of the disc, and a coil spring interposed between the turntable and the centering unit to elastically support the centering unit, wherein a first end of the coil spring is brought into contact with a spring hanging portion protruding from a side surface of the centering unit, and a second end opposite to the first end of the coil spring is supported by a spring support portion formed in the turntable. | 03-06-2014 |
Yongjoo Kim, Hwaseong-Si KR
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20150028182 | CORELESS ENGINE MOUNT AND METHOD OF MANUFACTURING THE SAME - A coreless engine mount, and a method for manufacturing a coreless engine mount, may include a mount bracket that has at least one bolting hole for bolting and houses a mounting bush, and combines with the mounting bush, and a coreless support bracket that has an extension integrally extending from the mounting bush and is formed of an aluminum material, the extension being integrally formed with the mounting bush by curing, and the extension having at least one bolting hole for bolting. | 01-29-2015 |
Yongjoo Kim, Yongin-City KR
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20160079286 | THIN-FILM TRANSISTOR ARRAY SUBSTRATE, METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE - A thin-film transistor (TFT) array substrate including at least one TFT, the at least one TFT including a semiconductor layer including a source region and a drain region having a first doping concentration on a substrate, a channel region between the source and drain regions and having a second doping concentration, the second doping concentration being lower than the first doping concentration, and a non-doping region extending from the source and drain regions; a gate insulating layer on the semiconductor layer; a gate electrode on the gate insulating layer and at least partially overlapping the channel region; and a source electrode and a drain electrode insulated from the gate electrode and electrically connected to the source region and the drain region, respectively. | 03-17-2016 |
Yongjoo Kwon, Yongin-Si KR
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20150338636 | FLUID FOR ELECTROWETTING DEVICE AND ELECTROWETTING DEVICE USING THE SAME - An electrowetting device which includes a polarizable liquid; and a nonpolar solution separated from the polarizable liquid by an interface. The polarizable liquid may include a polar solvent, an organic acid, and ammonium hydroxide having at least one alkyl group. | 11-26-2015 |
20160062153 | LIGHT MODULATING APPARATUS AND METHOD OF DRIVING THE SAME - Disclosed is a light modulating apparatus. The light modulating apparatus includes a pixel array including a plurality of pixels, a light modulating device that absorbs or transmit light incident on the pixel array according to an applied voltage, a flip-flop circuit that outputs a first voltage based on a device driving signal indicating a level of a second voltage applied to be applied to the light modulating device, and an amplifier that amplifies the first voltage to generate the second voltage and applies the second voltage to the light modulating device. | 03-03-2016 |
Yongjoo Kwon, Seoul KR
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20150233810 | APPARATUS AND METHOD FOR MEASURING SURFACE TENSION - The present invention relates to an apparatus and method for measuring surface tension. More particularly, the present invention relates an apparatus and method for measuring surface tension through an electrical scheme which is simpler and has improved accuracy compared to a conventional optical scheme. | 08-20-2015 |
Yongjoo Lee, Hwaseong-Si KR
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20110241071 | Semiconductor Devices Having Field Effect Transistors With Epitaxial Patterns in Recessed Regions - A semiconductor device includes a device isolation pattern, a gate line, and an epitaxial pattern. The device isolation pattern is disposed in a semiconductor substrate to define an active area. The gate line intersects the active area. The epitaxial pattern fills a recess region in the active area at one side of the gate line and includes a different constituent semiconductor element than the semiconductor substrate. The recess region includes a first inner sidewall that is adjacent to the device isolation pattern and extends in the lengthwise direction of the gate, and a second inner sidewall that extends in the direction perpendicular to the lengthwise direction of the gate line. The active area forms the first inner sidewall of the recess, while the device isolation layer forms at least a portion of the second inner sidewall of the recess. The epitaxial pattern contacts the first inner sidewall and the second inner sidewall of the recess region. | 10-06-2011 |
Yongjoo Park, Gyeongnam KR
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20120023974 | REFRIGERATOR AND METHOD FOR CONTROLLING THE SAME - The present invention relates to refrigerators, and more particularly, to a refrigerator which can measure an amount of frost on an evaporator in real time and determine a frost removing time; and a method for controlling the same. | 02-02-2012 |
20130276465 | REFRIGERATOR - A refrigerator is provided. In the refrigerator, cool air within the heat exchange chamber is supplied into a drawer assembly disposed inside a storage space, and also the inside of the drawer assembly is cooled using a thermoelectric module to quickly cooling the inside of the drawer assembly. Thus, food storage performance may be improved. | 10-24-2013 |
Yongjoo Park, Seoul KR
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20140284024 | METHOD FOR CONTROLLING REFRIGERATOR - A method for controlling a refrigerator includes driving a compressor, operating a switching valve to allow a refrigerant to flow into at least one main expansion valve, opening a cool air passage connecting a refrigerating compartment to a main evaporator to cool the refrigerating compartment, operating the switching valve to switching a flow direction of the refrigerant into at least one deep-freezing expansion valve when a temperature of the refrigerating compartment is cooled to a temperature lower than a set temperature, thereby cooling the deep-freezing storage chamber, and operating the heater. | 09-25-2014 |
20140284025 | REFRIGERATOR - A refrigerator with a main body including a refrigerating compartment at a temperature higher than a freezing temperature and a freezing compartment at a temperature lower than the freezing temperature, a deep-freezing storage chamber within the main body at a temperature lower than that of the freezing compartment. The refrigerator further includes a compressor, a condenser connected to an outlet-side of the compressor, a first expansion valve connected to an outlet-side of the condenser, a first evaporator connected to an outlet-side of the first expansion valve, and a heater disposed outside the first expansion valve. | 09-25-2014 |
20140290302 | REFRIGERATOR - A refrigerator includes a main body with a first storage compartment; a first evaporation compartment provided within the main body in order to cool the first storage compartment; and a first evaporator provided in the first evaporation compartment. The refrigerator further includes a second storage compartment independently provided in the first storage compartment including a case forming an insulation space so as to maintain a temperature lower than the first storage compartment and a drawer to insert into and remove from the case; a second evaporation compartment, independent from the first evaporation compartment, formed in the second storage compartment; and a second evaporator provided in the second evaporation compartment. | 10-02-2014 |
20140290303 | REFRIGERATOR - A refrigerator including a main body with a first storage compartment and a first evaporation compartment provided within the main body in order to cool the first storage compartment. The refrigerator also includes a second storage compartment independently provided in the first storage compartment and maintained at a temperature lower than a temperature of the first storage compartment; and a second evaporation compartment located at a rear side of the second storage compartment to cool the second storage compartment. | 10-02-2014 |
20140354125 | VEGETABLE CONTAINER FOR REFRIGERATORS AND REFRIGERATOR HAVING THE SAME - A vegetable container for a refrigerator includes a case having an opening formed at a front thereof, the case being provided with a receiving space to receive objects to be stored, a drawer to seal an interior of the case, a discharge port formed through a bottom surface of the case to discharge water from the case, a negative pressure part to lower pressure in the case, and an opening and closing valve to open and close the discharge port. | 12-04-2014 |
20140354133 | VEGETABLE CONTAINER FOR REFRIGERATORS AND REFRIGERATOR HAVING THE SAME - A vegetable container includes a case having an opening formed at a front thereof, the case being provided with a receiving space to receive objects to be stored, a drawer to seal an interior of the case, a negative pressure part lower pressure in the case, and a reinforcing part to increase strength of the case, where the reinforcing part includes a reinforcing member coupled to at least one surface of the case, located adjacent to the opening, and having greater strength than the case. | 12-04-2014 |
20140354134 | AIRTIGHT CONTAINER FOR REFRIGERATOR AND REFRIGERATOR INCLUDING THE SAME - A refrigerator includes a case, a drawer, and a ventilation port opening/closing member. The case has a storage space formed therein and the drawer stores food and opens and closes the storage space while being supported by the case so as to be movable with respect to the case. The ventilation port opening/closing member ventilates the storage space. Here, the drawer includes a ventilation port for ventilating the storage space, and the ventilation port opening/closing member moves in the direction as the drawer to open and close the ventilation port. | 12-04-2014 |
Yongjoo Park, Changwon-Si KR
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20120304667 | REFRIGERATOR - A refrigerator includes a main body in which a first storage compartment is defined, and a heat exchange chamber defined in the main body. An evaporator received in the heat exchange chamber. A second storage compartment is provided in the first storage compartment and a quick cooling module to cool an inside of the second storage compartment is provided, where the quick cooling module heat-exchanges with a refrigerant pipe of the evaporator. The quick cooling module includes a thermal conductive unit in thermal conduction with the refrigerant pipe, and a thermoelectric device having a first surface in thermal conduction with the thermal conductive unit to heat-exchange with the thermal conductive unit when current is supplied and a second surface facing the second storage compartment. | 12-06-2012 |
20150308721 | REFRIGERATOR - A refrigerator includes a main body in which a first storage compartment is defined, and a heat exchange chamber defined in the main body. An evaporator received in the heat exchange chamber. A second storage compartment is provided in the first storage compartment and a quick cooling module to cool an inside of the second storage compartment is provided, where the quick cooling module heat-exchanges with a refrigerant pipe of the evaporator. The quick cooling module includes a thermal conductive unit in thermal conduction with the refrigerant pipe, and a thermoelectric device having a first surface in thermal conduction with the thermal conductive unit to heat-exchange with the thermal conductive unit when current is supplied and a second surface facing the second storage compartment. | 10-29-2015 |
Yongjoo Tcha, Seongnam-Si KR
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20120136935 | SYSTEM AND METHOD FOR PROVIDING MOBILE P2P SERVICE - A mobile P2P system includes a mobile tracker node and a super peer node. The mobile tracker node is located in a dedicated wired network operating in conjunction with an internet network to which a plurality of peer nodes are connected, and manages information of a plurality of mobile peer nodes connected to a wireless access network. A peer list containing information on one or more peer nodes having the content queried by the plurality of mobile peer nodes is transmitted to the mobile peer nodes, the one or more peer nodes including the mobile peer nodes and the peer nodes on the internet network. | 05-31-2012 |
20120150945 | SYSTEM AND METHOD FOR PROVIDING CONTENT-CENTRIC SERVICES USING ULTRA-PEER - To provide a content provision service to a user in conjunction with an end terminal and a P2P management server, a request for content is received based on a content name input from a user. It is checked whether the content corresponding to the content name is stored or not, and if the content is not stored, the content name is transmitted to the P2P management server to request content location information. Upon receiving the content location information from the P2P management server, a request for the content is sent to an adjacent content providing device listed in the content location information. Then, the content is received from the adjacent content providing device and provided to the user. | 06-14-2012 |
Yongjoo Tcha, Gyeonggi-Do KR
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20150341834 | METHOD OF CONTROLLING HANDOVER - A first base station may perform a method for controlling handover of a terminal. The method may include setting a handover parameter that is determined based on a handover policy and transmitting a message including the handover parameter to the terminal. The handover parameter includes a service parameter. The service parameter is used when determining a handover condition of the terminal in order to induce handover from the first base station to the second base station according to the handover policy. | 11-26-2015 |
Yongjoo Yi, Changwon-Si KR
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20140021132 | WATER TREATMENT APPARATUS WITH CIRCULATING FLOW PATH AND WATER TREATMENT METHOD USING THE SAME - A water treatment apparatus and a water treatment method using the same are provided. The water treatment apparatus includes a cohesive agent input device configured to input a cohesive agent to raw water, a membrane filtering device, a raw water pump configured to transfer raw water including the cohesive agent therein to the membrane filtering device, a water supply flow path connecting a discharge side of the raw water pump to the inlet of the membrane filtering device, a circulation flow path connecting the raw water discharge opening of the membrane filtering device to the water supply flow path and a circulation pump provided in the circulation flow path to transfer discharged raw water to the water supply flow path. | 01-23-2014 |