Park, Hwasung-Si
Chan-Sik Park, Hwasung-Si KR
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20090324112 | METHOD AND APPARATUS FOR BANDWIDTH-REDUCED IMAGE ENCODING AND DECODING - An image encoding apparatus is provided, including a lossless compression unit that performs lossless compression on deblocked data on a window basis during encoding of image data; a lossless compression controller that determines a relation between the deblocked data and the losslessly compressed deblocked data and determines a size of the window; a cache controller that selects losslessly compressed deblocked data corresponding to reference data used for motion compensation or motion estimation from the losslessly compressed deblocked data, based on the relation between the deblocked data and losslessly compressed deblocked data; a lossless compression reconstruction unit that decodes the selected losslessly compressed deblocked data to reconstruct the reference data; and a cache storage unit that stores the reconstructed reference data. | 12-31-2009 |
Dae-Sik Park, Hwasung-Si KR
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20080205142 | ERASE VOLTAGE GENERATOR CIRCUIT FOR PROVIDING UNIFORM ERASE EXECUTION TIME AND NONVOLATILE MEMORY DEVICE HAVING THE SAME - An erase voltage generation circuit providing a uniform erase execution time and a non-volatile semiconductor memory device having the same, in which the erase voltage generation circuit includes a high voltage generation unit a voltage level detection unit, an execution time checking unit and a discharging unit. The high voltage generation unit generates an erase voltage. The voltage level detection unit detects the erase voltage and generates a level detection signal. The level detection signal is activated when the erase voltage reaches a target voltage. The execution time checking unit generates an execution end signal that is activated in response to the lapse of an erase execution time from the activation of the level detection signal. The discharging unit discharges the erase voltage as a discharge voltage. The high voltage generation unit is disabled in response to the activation of the execution end signal, and the discharging unit is enabled in response to the activation of the execution end signal. | 08-28-2008 |
Dong-Uk Park, Hwasung-Si KR
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20140191785 | APPARATUS AND METHODS FOR FREQUENCY COMPENSATION USING TWO COUNTERS - A frequency compensation apparatus includes a first counter setting a reference period using a main clock, a second counter sensing a change in the frequency of a sub clock using the reference period, and a frequency compensator providing a compensated frequency using information on the changed frequency of the sub clock. Related methods are also described. | 07-10-2014 |
Dong Won Park, Hwasung-Si KR
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20110135508 | VARIABLE WATER PUMP CONTROL SYSTEM AND THE CONTROL METHOD THEREOF - A variable water pump control apparatus, may include a detecting portion detecting engine speed, operation of an idle stop and go system (ISG), coolant temperature, operation of a blower, and outside temperature, a variable water pump selectively circulating a coolant through an engine, and a control portion controlling the variable water pump according to the detected information including operating conditions and outside environmental factors, and a variable water pump control method may include detecting a driving condition and an environmental condition of a vehicle, and engaging or releasing a clutch of a variable water pump according to a detected condition so as to selectively circulate a coolant. | 06-09-2011 |
Heesook Park, Hwasung-Si KR
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20150061134 | SEMICONDUCTOR DEVICES INCLUDING AIR GAP SPACERS AND METHODS OF MANUFACTURING THE SAME - A spacer covering a sidewall of a contact plug includes a relatively more damaged first portion and a relatively less damaged second portion. An interface of the first and second portions of the spacer is spaced apart from a metal silicide layer of the contact plug. Thus reliability of the semiconductor device may be improved. Related fabrication methods are also described. | 03-05-2015 |
Hoo-Sang Park, Hwasung-Si KR
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20130152712 | MOTOR ASSEMBLY FOR CAR - A motor assembly for a vehicle may include a brushless DC (BLDC) driving motor received in a case, a pinion fixed to a motor shaft rotatably coupled to the driving motor, a driven wheel rotatably positioned on a base of a holding stack extending from one end of the case, and fixed to a driven wheel shaft rotatably mounted on the base to rotate in engagement with the pinion, and a wire actuating pinion fixed to the driven wheel shaft. | 06-20-2013 |
20140210288 | STRUCTURE OF BRUSHLESS DIRECT CURRENT MOTOR - A structure of a Brushless Direct Current (BLDC) motor includes a control board having an electric circuit therein, and a housing electrically connected to the control board. The housing includes a rotor having a permanent magnet, a stator in which a coil is wound, a protruding member protruding to one side of the housing, and a terminal electrically connected to the coil and disposed at the protruding member. The control board includes a socket electrically connected to the electric circuit and disposed at the control board. When the housing and the control board are coupled, the terminal and the socket come into contact with each other so as to be electrically connected to each other. | 07-31-2014 |
Jaehoo Park, Hwasung-Si KR
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20140335673 | METHODS OF MANUFACTURING FINFET SEMICONDUCTOR DEVICES USING SACRIFICIAL GATE PATTERNS AND SELECTIVE OXIDIZATION OF A FIN - A method of manufacturing a semiconductor device includes patterning a substrate to form an active fin, forming a sacrificial gate pattern crossing over the active fin on the substrate, forming an interlayer insulating layer on the sacrificial gate pattern, removing the sacrificial gate pattern to form a gap region exposing the active fin in the interlayer insulating layer, and oxidizing a portion of the active fin exposed by the gap region to form an insulation pattern between the active fin and the substrate. | 11-13-2014 |
Jeonghee Park, Hwasung-Si KR
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20100081263 | Methods of manufacturing semiconductor device - A method of manufacturing a semiconductor device includes forming a phase change material pattern on a top surface of an insulating layer including an opening and in the opening, and forming a compressive layer compressing the phase change material pattern on the phase change material pattern. | 04-01-2010 |
20100124800 | VARIABLE RESISTANCE MEMORY DEVICE, METHOD OF FABRICATING THE SAME, AND MEMORY SYSTEM INCLUDING THE SAME - A method of fabricating a variable resistance memory device includes a plasma etching process to remove contaminants from variable resistance material that forms variable resistance elements of the device. Bottom electrodes are formed on a semiconductor substrate. Next, an interlayer dielectric layer having trenches that expose the bottom electrodes is formed on the substrate. Then a layer of variable resistance material is formed. The variable resistance material covers the interlayer dielectric layer and fills the trenches. The variable resistance material is then planarized down to at least the top surface of the interlayer dielectric layer, thereby leaving elements of the variable resistance material in the trenches. The variable resistance material in the trenches is etched to remove contaminants, produced as a result of the planarizing process, from atop the variable resistance material in the trenches. A top electrode is then formed on the variable resistance material. | 05-20-2010 |
Jintaek Park, Hwasung-Si KR
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20140197469 | THREE-DIMENSIONAL SEMICONDUCTOR DEVICES WITH CURRENT PATH SELECTION STRUCTURE AND METHODS OF OPERATING THE SAME - Provided are three-dimensional semiconductor devices and methods of operating the same. The three-dimensional semiconductor devices may include active patterns arranged on a substrate to have a multi-layered and multi-column structure and drain patterns connected to respective columns of the active patterns. The methods may include a layer-selection step connecting a selected one of layers of the active patterns selectively to the drain patterns. For example, the layer-selection step may be performed in such a way that widths of depletion regions to be formed in end-portions of the active patterns are differently controlled depending on to a height from the substrate. | 07-17-2014 |
Jungsung Park, Hwasung-Si KR
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20110181397 | BACKSCATTERING TYPE RFID COMMUNICATION SYSTEM - A backscattering type radio frequency identification (RFID) communication system, and more particularly, a backscattering type RFID communication system in which an RFID tag transmits a signal back to an RF reader by using energy of a carrier wave transmitted by the RFID reader. Provided is a backscattering type radio frequency identification (RFID) communication system RFID communications are performed efficiently without an error while interference between RFID readers does not occur even under an overcrowded reader environment. Interference of RF signals between the RFID readers does not occur, and RFID communications can be efficiently performed even under the overcrowded reader environment. Transmitting and receiving time steps of the RFID readers do not need to be synchronized with one another so that compatibility of the RFID readers can be improved. | 07-28-2011 |
20110217044 | VISIBLE LIGHT MULTIPLEX COMMUNICATION SYSTEM - A visible light multiplex communication system, and more particularly, a visible light multiplex communication system in which identification (ID) information and data information can be simultaneously transmitted and received to and from a server and a plurality of clients by using visible light, is disclosed. Visible light communication can be smoothly performed in a state where visible light ID communication and visible light data communication do not interfere with each other in the same space. In addition, data can be efficiently transmitted and received to and from a plurality of ID clients and a plurality of data clients by using visible light. In addition, visible light ID communication and visible light data communication can be efficiently performed in a state where interference between a plurality of clients using different protocols does not occur in the same place. Furthermore, a specific unit that is capable of efficiently transmitting and receiving data to and from a plurality of clients by using visible light can be provided. | 09-08-2011 |
Ki-Tae Park, Hwasung-Si KR
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20090122622 | LEVEL SHIFTER WITH REDUCED LEAKAGE CURRENT AND BLOCK DRIVER FOR NONVOLATILE SEMICONDUCTOR MEMORY DEVICE - A level shifter is disclosed and generates an output signal having a swing voltage shifted by a positive boost voltage with respect to an input signal. The level shifter comprises; an enable unit adapted to enable the output signal in response to the input signal, and a disable unit adapted to disable the output signal in response to the input signal. The enable unit comprises; a shifting voltage terminal adapted to receive the boost voltage, a control node, a shifting unit disposed between the shifting voltage terminal and the control node and responsive to the output signal, such that a voltage having a difference with the boost voltage lower than a voltage of the output signal is provided to the control node, whereby the output signal is boosted by the positive boost voltage, a control PMOS transistor disposed between the control node and the output signal and gated by the input signal, and bulk voltage generation unit adapted to generate a predetermined bulk voltage having a voltage difference with the boost voltage lower than that of the control node to a bulk of the control PMOS transistor. | 05-14-2009 |
Mun-Hee Park, Hwasung-Si KR
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20150059436 | BAD BREATH MEASUREMENT SYSTEM - Provided is a system for measuring bad breath or blood alcohol concentration. More specifically, the system includes: a portable terminal; a bad breath analyzer which has an alcohol sensor and a bad breath sensor mounted therein, and which is connected to an earphone connection terminal of the portable terminal so as to increase compatibility; and a bad breath processing unit which is provided in the portable terminal, and which processes signals measured from the alcohol sensor and the bad breath sensor to output one or more pieces of drinking information and bad breath information on a screen of the portable terminal. | 03-05-2015 |
Sang Jun Park, Hwasung-Si KR
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20090013988 | Convection heating unit and heating cooker having the same - A heating cooker including a cooker body having a cooking chamber and a convection heating unit. The convection heating unit includes a convection heater to generate heat, a convection fan to forcibly move the heat generated from the convection heater into the cooking chamber, a convection motor to drive the convection fan, and a convection housing to receive the convection heater and the convection fan. The convection heater and the convection fan are linearly arranged within the convection housing, to allow air introduced into the convection housing to move from the convection fan to the convection heater. This configuration is effective to restrict the transfer of heat from the convection heater to the convection motor. | 01-15-2009 |
Sang-Kyu Park, Hwasung-Si KR
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20080214422 | THINNER COMPOSITION AND METHOD OF REMOVING PHOTORESIST USING THE SAME - A thinner composition includes propylene glycol ether acetate, methyl 2-hydroxy-2-methyl propionate, and an ester compound such as ethyl lactate, ethyl 3-ethoxy propionate or a mixture thereof. | 09-04-2008 |
Seung-Kyu Park, Hwasung-Si KR
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20100301341 | THIN FILM TRANSISTOR ARRAY PANEL AND MANUFACTURING METHOD THEREOF - The present invention relates to an OLED display and a manufacturing method thereof, including a substrate, a control electrode formed on the substrate, a polysilicon semiconductor formed on the control electrode, a data line including an input electrode at least partially overlapping the polysilicon semiconductor and an output electrode facing the input electrode, an insulating layer covering the data line and the output electrode and having a contact hole, a gate line connected to the control electrode through the contact hole, and a pixel electrode connected to the output electrode. | 12-02-2010 |
Sung Yup Park, Hwasung-Si KR
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20120132158 | PCV ANTI-FREEZING APPARATUS FOR TWO-CYLINDER ENGINE - A PCV anti-freezing apparatus for two-cylinder engine may include a PCV (Positive Crankcase Ventilation) nipple connected to an intake manifold of a two-cylinder engine, and an oil separator formed within the PCV nipple. | 05-31-2012 |
Yeun-Sang Park, Hwasung-Si KR
Young June Park, Hwasung-Si KR
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20100055496 | STEEL HAVING HIGH STRENGTH - A steel having an improved tensile strength includes a first layer formed of an ultra-low carbon steel; and a second layer that is formed in contact with the first layer, includes a first surface opposite to the first layer, is formed of a solid solution obtained by solid-solving nitrogen in the ultra-low carbon steel, and has a structure substantially the same as a structure of the first layer. | 03-04-2010 |