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Jung Sun
Jung Sun Hwang, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110085996 | EXTERNAL PREPARATION COMPOSITION FOR SKIN COMPRISING GINSENG FLOWER OR GINSENG SEED EXTRACTS - Provided are a use of a ginseng flower extract and a use of a ginseng seed extract. The ginseng seed extract includes ginseng seed oil or a ginseng seed residue extract. The uses include skin protection, anti-aging, anti-wrinkle, improvement of skin elasticity, skin whitening, skin moisturizing, prevention and improvement of skin dryness diseases such as atopy, removal of the horny layer, sebum control, anti-inflammation, prevention or improvement of skin troubles such as acne, improvement of skin complexion, prevention of hair loss, anti-dandruff, improvement of gloss and softness of hair, improvement of volume and elasticity of face or body, and improvement of facial or body line. | 04-14-2011 |
Jung Sun Jo, Changwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110028268 | SYSTEM AND METHOD FOR CONTROLLING ENGINE REVOLUTIONS FOR HYBRID CONSTRUCTION MACHINE - A system and method for controlling engine revolutions for a hybrid construction machine is provided. The system for controlling engine revolutions for a hybrid construction machine, including an engine, a hydraulic pump which is driven by the engine to drive a hydraulic actuator with discharged hydraulic fluid, a motor-generator which is driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device which is charged with electric energy generated by the motor-generator and which supplies the electric energy for motor operation of the motor-generator, a torque detection means for detecting an output torque of the hydraulic pump that is required to drive the hydraulic actuator, and a hybrid control means for controlling the motor operation of the motor-generator so as to supplement the engine output if the change of the output torque of the hydraulic pump detected by the torque detection means exceeds a predetermined level and it is determined that an engine revolution drop will occur. | 02-03-2011 |
| 20110029175 | CONTROL SYSTEM AND METHOD FOR HYBRID CONSTRUCTION MACHINE - A control system and method for a hybrid construction machine is provided. The control system for a hybrid construction machine includes an engine, a hydraulic pump driven by the engine to drive a hydraulic actuator, a motor-generator driven by the engine to generate electricity and to drive the hydraulic pump as a motor supplementing the engine, an energy storage device charged with electric energy generated by the motor-generator and supplying the electric energy for motor operation of the motor-generator, a mode detector detecting a working mode of the engine, a torque detector detecting an output torque of the hydraulic pump, a memory storing upper and lower baselines of an engine torque set per working mode of the engine, and a hybrid controller comparing the detected output torque of the hydraulic pump with the upper and lower baselines set according to the detected working mode, controlling power generation of the motor-generator so that the engine is loaded as much as much as a short value if the output torque is less than the lower baseline, and controlling the motor operation of the motor-generator so that the engine output is supplemented as much as an excessive value if the output torque exceeds the upper baseline. | 02-03-2011 |
| 20110029206 | SWING CONTROL SYSTEM AND METHOD FOR CONSTRUCTION MACHINE USING ELECTRIC MOTOR - A swing control system and method for a construction machine using an electric motor is provided. The swing control system includes a swing electric motor swinging an upper swing structure and a swing control unit. The swing control unit includes a reference speed calculation means for calculating a reference swing speed and a maximum acceleration according to a manipulation signal of a control lever for a swing manipulation; a swing speed determination means for calculating a first speed change amount from a difference between the reference swing speed and an actual swing speed by the electric motor that is currently fed back, calculating a second speed change amount for a sampling time from the maximum acceleration, and determining a swing speed according to the manipulation signal by comparing the first speed change amount and the second speed change amount and adding a smaller amount between the first speed change amount and the second speed change amount obtained as the result of comparison to the actual swing speed currently fed back; and an output torque control means for controlling an output torque of the electric motor by generating a control signal for the determined swing speed. | 02-03-2011 |
Jung Sun Kwon, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20120068619 | DEVICE FOR CONTROLLING CURRENT OF LED - Disclosed herein is a device for controlling current of an LED including a constant current generator, a current mirror, and a current amplifier, the device controlling current of an LED, comprising: a selector outputting an L signal or an H signal according to an input control signal; and a current changing unit formed by connecting at least one switching unit in parallel, the switching unit including a transistor and a switch connected to the transistor in series. The device for controlling current of an LED adjusts current supplied to the current amplifier using a SEL input without an effect of a noise, thereby making it possible to change the current of the LED without separately changing a resistor. | 03-22-2012 |
| 20120068738 | DEVICE AND METHOD FOR GENERATING THREE MODE SIGNAL - The device for generating three mode signals includes: a voltage setting block including an input terminal receiving three input signals of driving voltage, open, and ground and setting three voltages according to the three input signals; and an output block including two output terminals and a second node B receiving the three voltages from the voltage setting block, and outputting three combined signals by comparing an input voltage with a reference voltage, whereby only a small number of resistors and amplifiers generates three mode signals to further reduce the chip size than the related art and the external power source is not required to solve the problems of the related art due to noise. | 03-22-2012 |
Jung Sun Kwon, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110050128 | MODULE FOR CONTROLLING LIGHT EMITTING DIODE CURRENT FOR SELECTIVE FEEDBACK, APPARATUS AND METHOD FOR DRIVING LIGHT EMITTING DIODES USING THE SAME - The present invention provides a module for controlling an LED current for selective feedback, an apparatus and a method for driving LEDs using the same. The module for controlling the LED current, which is connected to a plurality of LED channels receiving driving powers supplied from at least one DC/DC converter and controls currents of the LED channels through a constant current, the LED current controlling module includes: an operation mode selector for selecting an operation mode according to an inputted enable signal level; a channel divider for dividing a plurality of LED channels into at least one group according to the selected operation mode; and a minimum voltage selector for selecting an LED channel with a minimum voltage, obtained by comparing voltages detected from each of lower ends of the LED channels included in each of one or more divided groups. | 03-03-2011 |
Jung Sun Lee, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090228105 | ARTIFICIAL CARTILAGE CONTAINING CHONDROCYTES OBTAINED FROM COSTAL CARTILAGE AND PREPARATION PROCESS THEREOF - The present invention relates to an artificial cartilage containing mesenchymal stem cell (MSC)-like dedifferentiated cells obtained by passage culturing costal chondrocytes, and a preparation process thereof. | 09-10-2009 |
Jung-Sun Beak US
| Patent application number | Description | Published |
|---|---|---|
| 20110305882 | METHOD FOR FORMING THIN FILM PATTERN AND FLAT DISPLAY DEVICE HAVING THE SAME - The present disclosure is a method for forming a thin film pattern to form a micron-pattern and a flat display device having the same. The method for forming a thin film pattern includes the steps of forming first to third thin film layers on a substrate in succession, forming a first photoresist pattern on the third thin film layer, patterning the second and third thin film layers using the first photoresist pattern as a mask to form first and second thin film mask pattern having line widths different from each other, forming a second photoresist pattern at a region where the first and second thin film mask patterns do not overlap positioned between the first thin film layer and the second thin film mask pattern, removing the first and second thin film mask patterns, and patterning the first thin film layer using the second photoresist pattern as a mask. | 12-15-2011 |
Jung-Sun Yoo, Ulsan-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090155171 | VISUALIZING AGENT COMPRISING A JANUS GREEN B AND VISUALIZING METHOD BY USING THE SAME - The present invention relates to a visualizing agent comprising a Janus Green B(JGB), and a visualizing method by using the same. More specifically, the method comprising A method of visualizing the intravascular threadlike structure (Bonghan duct) floating inside a lymphatic vessel comprising injecting JGB into the lymphatic tissue to be stained, and conducting microscopy. The present invention provides a major breakthrough in cellular anatomy and physiology. Further studies of its histological aspects and physiological functions suggest the possibility of critical new insights in both biology and medicine. | 06-18-2009 |
Jung-Sun Yoo, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090002005 | Substrate Probe Card and Method for Regenerating Thereof - Provided are a substrate of a probe card for installing a plurality of probes thereon to inspect an object by contacting the probes to the object, and a method for repairing the substrate. The substrate includes main channels electrically connected to the probes; and at least one spare channel for replacing the main channels when at least one of the main channels is damaged. Therefore, when some of the main channels of the probe substrate are damaged, the damaged main channels can be repaired using the spare channels and then the probe substrate can be reused, thereby reducing costs required for unnecessary replacement. | 01-01-2009 |