Sunwoo, KR
Chang Jin Sunwoo, Chungcheongbuk-Do KR
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20160049200 | SEMICONDUCTOR MEMORY DEVICE AND OPERATING METHOD THEREOF - A method of operating a semiconductor memory device includes performing a first program operation to simultaneously increase threshold voltages of memory cells having different target levels to sub-levels lower than the different target levels, verifying the memory cells by using different verify voltages, respectively, performing a second program operation to divide the threshold voltages of the memory cells, and performing a third program operation to increase the threshold voltages of the memory cells to the different target levels, respectively. | 02-18-2016 |
Hee-Won Sunwoo, Seoul KR
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20140306109 | METHOD FOR DETECTING DEFECT OF SUBSTRATE - A method for detecting defects includes irradiating at least one electron beam into a first region of a substrate, irradiating at least one electron beam into a second region electrically connected to the first region, and detecting secondary electrons emitted from the second region. The electron beam irradiated into the first region may be the same or different from the electron beam irradiated into the second region. Alternatively, different beams may be simultaneously irradiated into the first and second regions. An image generated based on the secondary electrons shows a defect in the substrate as a region having a grayscale difference with other regions in the image. | 10-16-2014 |
Jin Ho Sunwoo, Kumi-Si KR
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20090020617 | BARCODE MARKING METHOD AND APPARATUS FOR ELECTRO-LUMINESCENCE DISPLAY DEVICE - An organic electro-luminescence device including a substrate, a first electrode, a light-emitting layer and a second electrode which are sequentially formed on the substrate, a packaging plate facing the substrate, and barcodes formed on the substrate and the packaging plate. | 01-22-2009 |
John Sunwoo, Daejeon-City KR
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20100075511 | VELCRO CONNECTOR - The present invention relates to a velcro connector, which uses a hook of a velcro tape attached to a garment, etc. and a loop to transfer electric signals by being electrically connected upon coupling the hook and the loop. With the present invention, the difficulty of the line connection upon implementing electronic circuits on a garment can be solved by providing an integrated connector rather than separately mounting a mechanical connector on a garment. Therefore, it makes it possible to easily implement a wearable computer by using an integrated connector on a garment, etc. In addition, a plurality of electronic circuits mounted on a garment, etc. and the existing electronic devices are freely connected to each other by providing the connector that can be easily separated and coupled, thereby making it possible to increase user convenience. | 03-25-2010 |
20110239139 | REMOTE CONTROL APPARATUS USING MENU MARKUP LANGUAGE - Provided is a remote control apparatus using a menu markup language, which arranges, within an area, a virtual menu map for controlling electronic devices from menu map information that is defined by a menu markup language (MenuXml) having an extensible markup language (XML) format, extracts control information corresponding to motion information of a user generated within the area from the menu map information, and transmits the extracted control information to the electronic devices. | 09-29-2011 |
John Sunwoo, Daejeon KR
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20090125640 | ULTRASMALL PORTABLE COMPUTER APPARATUS AND COMPUTING SYSTEM USING THE SAME - An ultrasmall portable computer apparatus includes a communication unit for communication with peripheral devices, and a storage unit for storing an identification information list of the peripheral devices and at least one program. A control unit compares identification information provided through the communication unit from a peripheral device with the identification information list and executing part or all of the programs according to the comparison result. | 05-14-2009 |
20090241171 | WEARABLE COMPUTER SYSTEM AND METHOD CONTROLLING INFORMATION/SERVICE IN WEARABLE COMPUTER SYSTEM - A wearable system and a method for transferring and controlling information/service based on biologically generated information from a user are provided. In the method, an intuitive bio signal generated by a user is sensed and a device pointed by the sensed bio signal is selected. Then, bio signal information is created using the sensed bio signal and the generated bio signal information is transmitted to the selected device. After transmitting, the information/service is transferred to the selected device after confirming that the selected device that receives the bio signal information is activated. | 09-24-2009 |
20100245118 | MULTIMODAL FUSION APPARATUS CAPABLE OF REMOTELY CONTROLLING ELECTRONIC DEVICES AND METHOD THEREOF - There are provided a multimodal fusion apparatus capable of remotely controlling a number of electronic devices and a method for remotely controlling a number of electronic devices in the multimodal fusion apparatus. In accordance with the present invention, instead of one input device, such as a remote control or the like, multimodal commands, such as user-familiar voice, gesture and the like, are used to remotely control a number of electronic devices equipped at home or within a specific space. That is, diverse electronic devices are controlled in the same manner by the multimodal commands. When a new electronic device is added, control commands thereof are automatically configured to control the new electronic device. | 09-30-2010 |
John Sunwoo, Daejon KR
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20100066664 | WRIST-WORN INPUT APPARATUS AND METHOD - Provided are a wrist-worn input apparatus and method. The apparatus and method can segment meaningful hand gestures using a vibration sound generated by a finger tapping and can issue commands corresponding to the recognized hand gestures, enabling the user to easily input commands to electronic devices. | 03-18-2010 |
John Sunwoo, Gwangju KR
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20110082960 | METHOD OF SERIAL BUS COMMUNICATION AND BUS INTERFACE DEVICE FOR THE SAME - There are provided a serial bus communication method and a bus interface device showing excellent performance when a medium with low conductivity is used. The serial bus communication method includes: retrieving available transmission rate to a destination node to which data will be transmitted from a transmission rate table whenever transmitting data through a bus; setting data rate for transmitting the data to the destination node by using the retrieved available transmission rate when the available transmission rate to the destination node is retrieved in the transmission rate table; and transmitting the data at the data rate. Accordingly, transmission performance is improved on a network using a medium with low conductivity. | 04-07-2011 |
Jung Sunwoo, Seoul KR
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20090067217 | Methods for supplying power supply voltages in semiconductor memory devices and semiconductor memory devices using the same - In a method for supplying power supply voltages in a semiconductor memory device a first source voltage is applied to a memory cell of a memory cell array as a cell array internal voltage for operating a sense amplifier coupled to the memory cell. A second source voltage is applied as a word line drive voltage of the memory cell array. The second source voltage has a voltage level higher than a voltage level of the first source voltage. The second source voltage is also applied as a drive voltage of an input/output line driver to drive write data into an input/output line in a write operating mode. | 03-12-2009 |
20120182815 | Memory Devices Having Controllers that Divide Command Signals Into Two Signals and Systems Including Such Memory Devices - A memory device using error correcting code and a system including the same are provided. The memory device includes a memory cell array including a plurality of bit lines and a plurality of memory cells; an access block for accessing the memory cell array; and a controller block for receiving a first operation command signal, dividing the first operation command signal into at least two paths pulse signals corresponding to at least two paths, based on a pre-determined criterion, and then supplying the at least two path pulse signals to the access block. The access block operates based on an output signal of the controller block. | 07-19-2012 |
20150052394 | METHOD OF OPERATING NONVOLATILE MEMORY DEVICE COMPRISING RESISTANCE MATERIAL - A method of operating a nonvolatile memory device comprises applying a read current with a first level to a nonvolatile memory cell comprising a variable resistance material, determining read data based on the applied read current, checking a syndrome corresponding to the read data to determine whether the read data is pass or fail, changing the read current from the first level to a second level, which is different from the first level, according to the determination of whether the read data is pass or fail, and performing a read-retry operation comprising applying the read current of the second level to the nonvolatile memory cell. | 02-19-2015 |
20150179257 | NONVOLATILE MEMORY DEVICE USING VARIABLE RESISTIVE ELEMENT - A nonvolatile memory device utilizes a variable resistive element. The nonvolatile memory device includes a plurality of banks and first to third write global bit lines arranged to cross the plurality of banks. Each of the plurality of banks includes a plurality of nonvolatile memory cells using resistive material. The first, the second and the third write global bit lines are disposed directly adjacent to one another in order. When a write current is supplied to the first write global bit line during a write period, a fixed voltage is applied to the second write global bit line while the third global bit line floats. | 06-25-2015 |
Kook-Hyun Sunwoo, Yongin-Si KR
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20100007980 | HEAT-ASSISTED MAGNETIC RECORDING HEAD GIMBAL ASSEMBLY - Provided is a heat-assisted magnetic recording (HAMR) head gimbal assembly including a light source module including a light source emitting light, an HAMR head including a magnetic recording head including a recording pole for applying a magnetic recording field to a magnetic recording medium and a return pole magnetically connected with the recording pole to form a path of the magnetic field, and an optical transmission module which is formed on one side of the magnetic recording head and guides light incident from the light source module, a head slider including having a trailing edge whereon the HAMR head is formed, and a suspension attached to an end of an actuator arm, wherein the head slider is formed on an end of the suspension, and a sink part in which the light source module is installed and which is formed separated from the head slider, wherein the sink part is formed on a surface on which the head slider of the suspension is formed, and the light source module is formed on a surface on which the suspension of the light source module is formed. | 01-14-2010 |
Myoungho Sunwoo, Seoul KR
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20120083989 | COMBUSTION DETECTING METHOD OF ENGINE - A combustion phase detection method is able to reduce exhaust gas and to improve combustion stability, to compensate injection and ignition delay time between combustion chambers and between cycles, and to detect a combustion phase in real time such that a heat generation rate and a heat release can be effectively calculated at an early state of the combustion by using a combustion pressure and a motoring pressure difference of an engine not affected by an offset value of the cylinder pressure. The combustion phase detection method of an engine may include detecting a combustion phase according to fuel injection timing by using a specific point of DHdP that is calculated by the following heat release equation: | 04-05-2012 |
20120083992 | COMBUSTION DETECTING METHOD OF ENGINE - A combustion phase detection method of an engine has the advantages of being able to reduce exhaust gas and to improve combustion stability, to compensate injection and ignition delay time between combustion chambers and between cycles, and to detect a combustion phase in real time such that a heat generation rate and heat release can be effectively calculated in an early state of combustion with a simple calculation method to control combustion of an engine, by using a combustion pressure and a motoring pressure difference of an engine not affected by an offset value of the cylinder pressure. For this, a combustion phase detection method may include detecting a combustion phase by using a specific point of DRdV as follows: | 04-05-2012 |
20120138027 | Exhaust Gas Controlling Method of Engine - An EGR system control method of an engine may include calculating a target mass flux ({dot over (m)} | 06-07-2012 |
20120138028 | EXHAUST GAS CONTROLLING METHOD OF ENGINE - An exhaust gas control method of an engine may include calculating a target mass flux of EGR gas by using air mass entering into a cylinder and target air mass supplied into the engine, calculating a target effective flow area (EFA | 06-07-2012 |
Myoung Ho Sunwoo, Seongnam KR
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20110070515 | METHOD FOR CONTROLLING OPERATION OF FUEL CELL AT LOW TEMPERATURE - The present invention provides a method for controlling the operation of a fuel cell system at low temperature that can suitably prevent flooding in a cathode of a fuel cell stack during low-temperature operation, thus improving the operation stability and durability of the fuel cell stack. In preferred embodiments, the present invention provides a method for controlling the operation of a fuel cell system at low temperature, the method comprising determining whether the temperature of a fuel cell stack reaches a normal temperature; calculating, when it is determined that the temperature of the fuel cell stack is lower than the normal temperature, a target temperature at a cathode outlet to maintain water present in a cathode of the fuel cell stack in a vapor phase based on information related to an operation state of the fuel cell stack detected by an operation state detection means; and calculating a target amount of coolant based on the calculated target temperature at the cathode outlet and the information related to the operation state of the fuel cell stack, and controlling the amount of coolant supplied to the fuel cell stack based on the calculated target amount of coolant. | 03-24-2011 |
Myung Hoon Sunwoo, Suwon-Si KR
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20110054915 | COMPUTING CIRCUITS AND METHOD FOR RUNNING AN MPEG-2 AAC OR MPEG-4 AAC AUDIO DECODING ALGORITHM ON PROGRAMMABLE PROCESSORS - The present invention relates to computing circuits and method for running an MPEG-2 AAC or MPEG-4 AAC algorithm efficiently, which is used as an audio compression algorithm in multi-channel high-quality audio systems, on programmable processors. In accordance with the present invention, the IMDCT process which takes large part of the amount of the operations in implementation of an MPEG-2/4 AAC algorithm can be performed in efficient. In addition, while the architecture of the existing digital signal processor is still used, the performance can be improved by means of the addition of the architecture of the address generator, Huffman decoder, and bit processing architecture. After all, to design and change the programmable processor is facilitated. | 03-03-2011 |
20110150143 | SOFT-DECISION DEMAPPING METHOD FOR DIGITAL SIGNAL - Disclosed is a demapping method of a soft-decision of an efficient soft determining scheme which is applicable to a DVB-2 satellite communication system. The soft-decision demapping method for a digital signal received through a transmission channel in a communication system using a phase shift keying (PSK) scheme includes: selecting reference symbols in an area having a higher probability than a predetermined probability that the received signal will be positioned among all reference symbols on a constellation diagram using a most significant bit (MSB) value of the received signal; and acquiring a maximum value of a log likelihood ratio (LLR) for the selected reference symbols. | 06-23-2011 |
Myung Hoon Sunwoo, Suwon KR
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20100138878 | RECEIVER CIRCUIT OF SATELLITE DIGITAL VIDEO BROADCAST SYSTEM - A receiver circuit of a satellite digital video broadcast system includes: a multiplication unit outputting a synchronized reception symbol by multiplying a reception symbol by frequency error information as a feedback; a common autocorrelation unit acquiring autocorrelation values for each symbol by multiplying the synchronized reception symbol by an autocorrelation coefficient; a frame synchronization unit detecting a SOF (Start Of Frame), which is a synchronization word indicating start of a frame, from the autocorrelation values for each symbol; a frequency synchronization unit estimating the frequency error information based on the autocorrelation values for each reception symbol and the SOF; and an SNR estimation unit estimating an SNR (Signal to Noise Ratio) based on the autocorrelation values for each symbol and the SOF. | 06-03-2010 |
Myung Hoon Sunwoo, Seoul KR
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20140301656 | METHOD AND APPARATUS FOR ESTIMATING MOTION - Provided are a motion estimation method and a motion estimation apparatus. The motion estimation apparatus includes a first register storing information on whether to detect first detection positions, a second register storing information on distances and number information of valid distance information, a controller receiving a command, a shifter, in response to the shift-enable signal, shifting and outputting reference data in a detection region of a reference frame and outputting the received reference data as it is, a selector, in response to the selection signal, selecting and outputting a part of output data of the shifter or outputting the whole output data, a process element (PE) array receiving current data of a current frame, and a comparator generating operation results for respective block sizes using operation results of the plurality of the PEGs. | 10-09-2014 |
20150303944 | METHOD AND APPARATUS FOR DECODING LOW-DENSITY PARITY-CHECK CODE - Provided is a method of decoding a low-density parity-check code (LDPC). The decoding method including an initialization process, a check node update process, a variable node update process, a tentative decoding process, and a parity check process, for a plurality of check nodes and a plurality of variable nodes, further includes detecting at least one inactive variable nodes that do not require variable node update among the variable nodes, the variable node update process is performed only on active variable nodes except for the inactive variable node, and the check node update process is performed without using the inactive variable node. | 10-22-2015 |
Myung-Hoon Sunwoo, Gyeonggi-Do KR
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20100158091 | FREQUENCY ERROR ESTIMATOR AND FREQUENCY ERROR ESTIMATING METHOD THEREOF - Provided is a frequency error estimating method of a communication system. The method includes receiving a frame, and calculating a frequency error from a SOF field of the received frame. | 06-24-2010 |
Seunghui Sunwoo, Suwon-Si KR
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20160124569 | DETACHABLE ELECTRONIC DEVICE AND OPERATING METHOD THEREOF - A device and a method are provided. The device and the method include providing, by a first electronic device, first content associated with an application that is executed in a second electronic device detachably connected to the first electronic device, determining a change in a connection between the first and second electronic devices based on an event that occurs in the connection, and providing, by the first electronic device, the first content, or second content associated with the application based on the determination of the change in the connection. | 05-05-2016 |
Seunghui Sunwoo, Gyeonggi-Do KR
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20140358319 | APPARATUS AND METHOD FOR CONTROLLING HEAT IN WIRELESS COMMUNICATION TERMINAL - Disclosed herein is an apparatus and a method for controlling heat according to a use environment of a wireless communication terminal in the wireless communication terminal. The method includes measuring an internal temperature of the wireless communication terminal when the wireless communication terminal performs communication by using a predetermined channel or band. The method includes acquiring a heat control method matched to a currently-measured internal temperature from a heat control table having temperature ranges of heat generated within the wireless communication terminal, after the wireless communication terminal selects at least one of bands or channels and performs communication by using the selected at least one band or channel, and storing a heat control method in each temperature range. The method includes controlling the heat generated within the wireless communication terminal according to the acquired heat control method. | 12-04-2014 |
Seung-Hui Sunwoo, Seoul KR
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20110179262 | APPARATUS AND METHOD FOR BOOTING IN COMPUTER DEVICE WITH BUILT-IN COMMUNICATION MODULE - An apparatus and method control booting in a mobile device with a built-in communication module to prevent a service user from using the mobile device for other purposes and to prevent the service user from subscribing to another service provider. A method includes determining, during a booting operation, whether the communication module is mounted with a USIM. A forced booting termination message is displayed if the communication module is not mounted with the USIM. And power supply is interrupted after a predetermined time from displaying the forced booting termination message. | 07-21-2011 |
20150127932 | APPARATUS AND METHOD FOR BOOTING IN COMPUTER DEVICE WITH BUILT-IN COMMUNICATION MODULE - An apparatus and method control booting in a mobile device with a built-in communication module to prevent a service user from using the mobile device for other purposes and to prevent the service user from subscribing to another service provider. A method includes determining, during a booting operation, whether the communication module is mounted with a USIM. A forced booting termination message is displayed if the communication module is not mounted with the USIM. And power supply is interrupted after a predetermined time from displaying the forced booting termination message. | 05-07-2015 |