Jang, Changwon-Si
Gyeongjin Jang, Changwon-Si KR
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20130049562 | REFRIGERATOR - A refrigerator is provided. The refrigerator may include a sub hinge connecting a main door to a sub door, and a main hinge connecting the main door to a main body of the refrigerator. The sub hinge is not connected to the main hinge, to prevent interference during door movement and to minimize leakage of cool air. A single latch assembly may allow both the main door and the sub door to be smoothly opened and secured, to reduce manufacturing costs and enhance reliability with respect to a simultaneous operation of the latch. | 02-28-2013 |
Han Gil Jang, Changwon-Si KR
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20120144967 | TAIL SPINDLE OF LATHE INCLUDING OIL HYDRAULIC CIRCUIT FOR THRUST COMPENSATION - The present invention relates to the trail spindle of a lathe including an oil hydraulic circuit for thrust compensation, wherein lathe turning operations on a processing object can be performed always accurately by preventing the processing object from being swung and the shape of the processing object from being deformed, in such a manner that necessary thrust is generated by using an oil hydraulic cylinder and a pressure reducing and relieving valve without using the existing method of moving a tail spindle using a screw and the oil hydraulic circuit automatically performs thrust compensation (i.e., maintains constant thrust) according to a change in the length of the processing object during lathe turning operations. | 06-14-2012 |
Ho Yang Jang, Changwon-Si KR
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20120161525 | MOTOR CONTROL DEVICE OF AIR CONDITIONER USING DISTRIBUTED POWER SUPPLY - The present invention relates to a motor control device of an air conditioner using a distributed power supply, comprising: a DC/DC converter which level-converts a DC power supply supplied from the outside to output the level-converted DC power supply to a DC bus terminal; a bidirectional DC/AC converter which converts the DC power supply of the DC bus terminal into an AC power supply to transfer the converted AC power supply to a system, or which converts the AC power supply from the system into the DC/power supply to supply the converted DC power supply to the DC bus terminal; and an inverter which converts the DC power supply of the DC bus terminal into the AC power supply by a switching operation, and drives a compression motor by the converted AC power supply. Therefore, the motor control device of the air conditioner using the distributed power supply does not generate a high frequency current by level-converting the DC power supply from the outside, and then supplying the AC power supply to the system or driving the compression motor. | 06-28-2012 |
Hoyong Jang, Changwon-Si KR
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20120005840 | WASHING MACHINE AND METHOD FOR CONTROLLING THE SAME - A washing machine and a method for controlling the same are disclosed. The washing machine includes a rotating washing tub in which laundry is placed and a motor to rotate the washing tub. The method for controlling the same includes performing primary rotation of the motor, detecting a primary laundry amount on the basis of the primary rotation of the motor, supplying, if the detected laundry amount is equal to or greater than a predetermined laundry amount, a predetermined amount of water or water corresponding to a predetermined water level to the washing tub in such a manner that the laundry becomes wet, performing secondary rotation of the motor, and detecting a secondary laundry amount on the basis of the secondary rotation of the motor. Thus, the washing machine correctly detects the amount of laundry. | 01-12-2012 |
Hyo Seon Jang, Changwon-Si KR
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20110290282 | DISH WASHER AND METHOD OF CONTROLLING THE SAME - Embodiments relate to a dish washer and a control method of the dish washer. A dish washer according to an aspect of the present invention comprises: a water supply unit that has a water chamber collecting water that is used to wash dishes; a sump that is supplied with the water in the water chamber and supplies wash water into a tub; a filter unit that is disposed in the sump and filters foreign substances in the wash water; and a heat exchange passage for heat exchange between the wash water in the sump and the water collecting in the water chamber, in which the wash water that has exchanged heat with the water chamber is discharged to the filter unit. | 12-01-2011 |
20110290284 | DISH WASHER - An embodiment relates to a dish washer. A dish washer according to an embodiment comprises: a tub that defines a space for washing dishes; a water supply unit that has a water chamber where water supplied from the outside collects, to wash the dishes; a sump that is supplied with water from the water chamber and supplies wash water into the tub; and a heat exchange passage through which the wash water in the sump flows and exchanges heat with the water in the water chamber while flowing. | 12-01-2011 |
Injong Jang, Changwon-Si KR
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20130224054 | SCROLL COMPRESSOR - A scroll compressor is provided. The scroll compressor may include a discharge cover that separates a suction space and a discharge space of an airtight container. The discharge cover may be inserted into a fixed scroll so as to be fixedly coupled thereto, thereby reducing an amount of components, such as a gasket and fastening bolts required to fix the discharge cover, and an assembly time to assemble components, reducing production overall costs. Also, as fastening bolts are not used, a width corresponding to a space for bolts may be reduced in the fixed scroll, whereby a phenomenon in which the fixed scroll is heated by a discharge refrigerant within the discharge space may be reduced, thereby reducing suction loss of the refrigerant sucked into the compression chamber and improving compressor efficiency. Also, a size of the fixed scroll may be reduced, thereby reducing a weight of the fixed scroll, and a weight of the overall compressor. | 08-29-2013 |
Jae-Seok Jang, Changwon-Si KR
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20150254497 | DISPLAY DEVICE, SERVER, AND METHOD OF CONTROLLING THE DISPLAY DEVICE - A display device is provided. The display device includes an outputter configured to output a content including a plurality of content parts, a signal processor configured to extract a first fingerprint corresponding to a first content part among the plurality of content parts of the content from at least one of a video signal and an audio signal constituting the content while the content is output, a communicator configured to transmit the first fingerprint to a server, and receive a second fingerprint corresponding to a second content part among the plurality of content parts of the content and first event information corresponding to the second fingerprint from the server, a storage configured to store the second fingerprint and the first event information, and a controller configured to control the outputter to output the first event information in coordination with the second content part of the content being output. | 09-10-2015 |
Jin-Ho Jang, Changwon-Si KR
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20130298539 | EXHAUST GAS TREATMENT DEVICE FOR CONSTRUCTION MACHINE - An exhaust gas treatment apparatus for a construction machine is provided, which is connected to a diesel particulate filter trap (DPF) to discharge exhaust gas from an engine to outside through the DPF. The exhaust gas treatment apparatus for a construction machine includes a tail pipe main body provided with a plurality of ventilation holes penetratingly formed on the tail pipe main body to allow the outside air to pass through the ventilation holes, and installed on an outlet of the DPF; an exhaust heat dissipation unit provided with a plurality of tubes which respectively communicate with the ventilation holes, and are installed in a horizontal direction of the tail pipe main body; and a plurality of exhaust holes located in a longitudinal direction of the tubes and penetratingly formed in an exhaust gas discharge direction. | 11-14-2013 |
Junho Jang, Changwon-Si KR
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20130056032 | ROBOT CLEANER, AND SYSTEM AND METHOD FOR REMOTELY CONTROLLING THE SAME - A robot cleaner is accessed to a terminal through a network. A situation inside a house can be real-time checked from the outside, and the situation can be rapidly handled according to a state of the robot cleaner. The robot cleaner can patrol a predetermined region or move to a user's desired location, and can provide, to the user through the terminal, images captured on a moving path or the user's desired location. The robot cleaner can provide image information captured during the cleaning to the terminal. And, the terminal can video-record the image information. | 03-07-2013 |
20130060379 | ROBOT CLEANER, AND SYSTEM AND METHOD FOR REMOTELY CONTROLLING THE SAME - Disclosed are a robot cleaner, and a system and method for remotely controlling the robot cleaner. Since the robot cleaner is accessed to a terminal through a network, the robot cleaner can be controlled in more various manners. A situation inside a house can be real-time checked from the outside, and the satiation can be rapidly handled according to a state of the robot cleaner. Since the terminal and the robot cleaner are connected to each other through a network, a voice call function and an interphone function can be implemented. Furthermore, the robot cleaner can perform automatic cleaning, manual cleaning, and reservation cleaning in an autonomous manner, or in a remote-controlled manner. | 03-07-2013 |
Minho Jang, Changwon-Si KR
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20140101865 | LAUNDRY TREATMENT MACHINE AND METHOD OF OPERATING THE SAME - Disclosed are a laundry treatment machine and a method of operating the same. The method of operating the laundry treatment machine that processes laundry via rotation of a wash tub includes accelerating a rotational velocity of the tub during an accelerated rotating section, rotating the tub at a constant velocity during a constant velocity rotating section, and determining an amount of laundry in the tub based on a first output current flowing through a motor that is used to rotate the tub during the accelerated rotating section and a second output current flowing through the motor during the constant velocity rotating section. This ensures efficient sensing of amount of laundry. | 04-17-2014 |
20150128658 | MOTOR DRIVING APPARATUS AND LAUNDRY TREATMENT MACHINE INCLUDING THE SAME - A laundry treatment machine includes a drum, a motor to rotate the drum, and a driving unit to drive the motor, wherein the driving unit includes an inverter to convert direct current (DC) voltage into alternating current (AC) voltage and to output the AC voltage to the motor and an inverter controller to control the inverter to supply an alignment current to the motor so as to align the motor during a starting operation of the motor and to supply a torque current for rotating the motor to the motor together with the alignment current after the motor is aligned. Such a laundry treatment apparatus prevents a reverse rotation phenomenon of the drum due to load. | 05-14-2015 |
20150128661 | MOTOR DRIVING APPARATUS AND LAUNDRY TREATMENT MACHINE INCLUDING THE SAME - The laundry treatment machine; absent a position sensor to sense a rotor position, includes a driving unit having a DC/AC inverter, an output voltage detection unit to detect output voltage applied to the motor, and an inverter controller to control the inverter to drive the motor based on the output voltage. The output voltage detection unit includes a plurality of resistors electrically connected between the inverter and the motor and a comparator to compare voltage detected by some of the resistors with reference voltage and to detect pulse width modulation (PWM)-based output voltage. Based on the PWM-based output voltage at least one switching device of the inverter is turned on. The output voltage detection unit outputs voltage detected by other some of the resistors to the inverter controller in a second mode in which all switching devices of the inverter are turned off. | 05-14-2015 |
20150128662 | MOTOR DRIVING APPARATUS AND LAUNDRY TREATMENT MACHINE INCLUDING THE SAME - The laundry treatment machine, absent a position sensor to sense the rotor position of a motor, includes a driving unit having an DC/AC inverter, an voltage detection unit to detect output voltage, and an inverter controller to control the inverter. The output voltage detection unit includes a plurality of resistors connected between the inverter and the motor and a comparator to compare voltage detected by some of the resistors with reference voltage and to detect pulse width modulation (PWM)-based output voltage. The voltage detection unit outputs the PWM-based output voltage output from the comparator to the inverter controller in a first mode in which at least one switching device of the inverter is turned on. The voltage detection unit outputs voltage detected by other some of the resistors to the inverter controller in a second mode in which all switching devices of the inverter are turned off. | 05-14-2015 |
Sung Roc Jang, Changwon-Si KR
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20140146571 | PULSED POWER GENERATOR - An active voltage drop control-type pulse power generator includes power stages, a power inverter, a power loop, a control inverter, a control loop, and a compensation unit. The power stages include power cells connected in series. Each power cell includes a switch and a capacitor connected in series, a driver for driving the switch, a bypass diode connected to both ends of the switch, and a rectifying diode connected to both ends of the capacitor. The power inverter charges the capacitor via the power loop and the rectifying diode inside each power cell. The control inverter provides a control signal for the switch via the control loop and the driver inside each power cell. The compensation unit is connected to one of the power cells and generates a compensation voltage for compensating for a voltage drop at a load according to a voltage detected in real-time from the power cell. | 05-29-2014 |
20140368175 | HIGH PRECISION DC TO DC CONVERTER WITH WIDE LOAD RANGE AND GATE DRIVE CIRCUIT FOR USE THEREIN - A high precision DC/DC resonant converter with a wide load range includes a first switch leg having one end connected to an anode terminal of a DC power source and the other connected to a cathode terminal of the DC power source to independently operate at a switching frequency used in an application of an output voltage for no load or a light load equal to or less than a rated load; and one or more second switch legs having one end connected to the anode terminal of the DC power source and the other end connected to the cathode terminal of the DC power source to operate at a switching frequency for the rated load or a frequency equal to or less than the switching frequency used in the application of the output voltage for no load or the light load that the first switch leg takes charge of. | 12-18-2014 |
Sungsoon Jang, Changwon-Si KR
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20130022486 | SCROLL COMPRESSOR - A scroll compressor is provided, in which at least one bypass hole that bypass a portion of a refrigerant before the refrigerant is discharged through a discharge hole is formed at a position where a bypass section that bypasses the refrigerant through the at least one bypass hole overlaps a discharge section that discharges the refrigerant through the discharge hole. The at least one bypass hole is formed at a position where a wrap volume ratio (Vs/Vd), which is a ratio of a suction volume (Vs) with respect to a discharge volume (Vd) in a compression chamber, is within the range of about 1.8˜2.2. With this configuration, over-compression of refrigerant may be prevented in a low speed driving mode, and efficiency of the compressor may be enhanced in the low speed driving mode and under a low load condition. | 01-24-2013 |
Yongwoon Jang, Changwon-Si KR
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20130181649 | COMPONENT FOR A NETWORK SYSTEM - Provided is a component for a network system, which includes a communication device for receiving at least energy information, a component driver part driven by supplied energy, and a control part that recognizes high price-related information or low price-related information, based on the energy information received by the communication device and that controls the component driver part. A method of controlling the component driver part when the high price-related information is recognized is different from a method of controlling the component driver part when the low price-related information is recognized. | 07-18-2013 |
Youngjo Jang, Changwon-Si KR
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20120022702 | AIR CONDITIONER AND METHOD OF CONTROLLING THE SAME - An air conditioner and a method of controlling the same are disclosed herein. The method of controlling the air conditioner includes receiving an electric power rate information, and distributing an internal air from a first indoor room to a second indoor room to reduce a temperature difference between a plurality of indoor rooms. During periods of peak power rates, costs associated with operating the air conditioner may be reduced by limiting operation of the indoor and outdoor units, while adjusting the temperatures of the indoor rooms by distributing air among the plurality of the indoor rooms. | 01-26-2012 |