Kwanhee
Kwanhee Choi, Seoul KR
Patent application number | Description | Published |
---|---|---|
20150176535 | CONTROL APPARATUS OF ENGINE HAVING TURBOCHARGER AND METHOD THEREOF - A control apparatus of an engine having a turbocharger may include the engine generating power by combustion of a fuel, the turbocharger including a turbine operated by exhaust gas of the engine and a compressor connected to the turbine by a rotating shaft, and thus supercharging air to a combustion chamber provided in the engine by the compressor, a detecting sensor detecting pre-ignition in the combustion chamber of the engine, and a controller controlling supercharging pressure supplied to the combustion chamber by using a required torque, ignition timing of the combustion chamber, and an air-fuel ratio, and thus controlling the pre-ignition in the combustion chamber, when the pre-ignition in the combustion chamber may be detected by the detecting sensor. | 06-25-2015 |
20150184603 | CONTROL APPARATUS FOR ENGINE HAVING TURBOCHARGER AND METHOD THEREOF - An control apparatus and method for an engine having a turbocharger may include determining a load condition of the engine by a controller, and opening and closing an intake valve, a throttle valve, and a wastegate valve by the controller according to the load condition of the engine, where a combustion chamber generates power by combusting a fuel, an intake valve adjusts an air/fuel mixed gas flowed into the combustion chamber, a continuously variable valve timing apparatus advances or retards an opening/closing timing of the intake valve, a turbocharger having a turbine and a compressor compressing air flowed into the combustion chamber, a throttle valve adjusting air supplied to the combustion chamber, a wastegate valve adjusting the exhaust gas flowed into the turbine, and a controller controlling the intake valve, the throttle valve, and the wastegate valve according to a load region of the engine. | 07-02-2015 |
Kwanhee Han, Gyeonggi-Do KR
Patent application number | Description | Published |
---|---|---|
20140029755 | METHOD AND APPARATUS FOR CONTROLLING SOUND SIGNAL OUTPUT - A method and an apparatus control sound signal output. The method of controlling a sound signal output in a terminal includes: storing receiver identifications and corresponding sound signal control parameters associated with each other by the terminal; providing a receiver selection interface capable of selecting one from a list of the receiver identifications and the receiver identifications included in the list by the terminal; receiving one receiver identification through the receiver selection interface; converting a digital sound signal into an analog sound signal by applying a sound signal control parameter corresponding to the received receiver identification; and outputting the analog sound signal. | 01-30-2014 |
Kwanhee Jeong, Gwangju-City KR
Patent application number | Description | Published |
---|---|---|
20100008226 | METHOD OF ADJUSTING PCS THRESHOLD AND TERMINAL APPARATUS FOR HIGH DENSITY WIRELESS NETWORK - Provided are a method of adjusting a PCS threshold in a wireless network, and a terminal apparatus for the wireless network. The method and the apparatus determines whether to adjust the PCS threshold to use a shared channel for transmitting data in a wireless network based on a congestion status of the shared channel, and adjusts the PCS threshold based on a packet loss measured for a predetermined period of time. | 01-14-2010 |
Kwanhee Lee, Yongin-Si, Gyeonggi-Do KR
Patent application number | Description | Published |
---|---|---|
20150325795 | COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT COMPRISING THE SAME AND ELECTRONIC DEVICE THEREOF - Provided are a compound capable of improving light emitting efficiency, stability, and lifespan of the element, an organic element using the same, and an electric device for the same. | 11-12-2015 |
Kwanhee Lee, Seoul KR
Patent application number | Description | Published |
---|---|---|
20100298033 | MOBILE TERMINAL AND METHOD OF EXECUTING CALL FUNCTION USING THE SAME - A mobile terminal and a method of executing a call function using the mobile terminal are provided such that the call function is executed in the mobile terminal including a plurality of touch screens, and various graphic user interfaces with respect to the call function are displayed to a user such that the user can conveniently use the call function. | 11-25-2010 |
Kwanhee Lee, Yongin-Si KR
Patent application number | Description | Published |
---|---|---|
20150349272 | COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT COMPRISING THE SAME AND ELECTRONIC DEVICE THEREOF - A compound represented by Formula 1. An organic electric element includes a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode. The organic material layer includes the compound represented by Formula 1. When the organic electric element includes the compound in the organic material layer, driving voltage, luminous efficiency, color purity, stability, and life span can be improved. | 12-03-2015 |
Kwanhee Lee, Suwon-Si KR
Patent application number | Description | Published |
---|---|---|
20120080670 | COMPOUND CONTAINING A 5-MEMBERED HETEROCYCLE AND ORGANIC LIGHT-EMITTING DIODE USING SAME, AND TERMINAL FOR SAME - Disclosed are a novel-structural compound including a 5-membered heterocycle, an organic electronic device using the same, and a terminal thereof. | 04-05-2012 |
Kwanhee Lee, Gyeonggi-Do KR
Patent application number | Description | Published |
---|---|---|
20150053960 | COMPOUND CONTAINING A 5-MEMBERED HETEROCYCLE AND ORGANIC LIGHT-EMITTING DIODE USING SAME, AND TERMINAL FOR SAME - Disclosed are a novel-structural compound including a 5-membered heterocycle, an organic electronic device using the same, and a terminal thereof. | 02-26-2015 |