Sung-Tae
Sung Tae Ahn, Daejeon KP
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20140045968 | NON-PAINTING AND HIGH-GLOSS POLYCARBONATE RESIN COMPOSITION - The invention provides a non-painting and high-gloss polycarbonate resin composition. Specifically, the invention provides a polycarbonate resin composition having a superior impact strength, heat-resistance, electric characteristics, weather resistance, and light resistance. In certain embodiments, the resin composition of the invention is obtained by mixing a butadiene-based impact modifier, such as acrylonitrile-butadiene-styrene (ABS) or methacrylate-butadiene-styrene and an acryl-based impact modifier in polycarbonate resin, followed by adding an ultraviolet (UV) absorbent to the mixture. | 02-13-2014 |
Sung Tae Cho, Hwaseong KR
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20130145309 | METHOD AND APPARATUS OF CONTROLLING DIVISION SCREEN INTERLOCKING DISPLAY USING DYNAMIC TOUCH INTERACTION - A method and apparatus of controlling a division screen interlocking display using dynamic touch interaction are provided. The method includes recognizing a screen scroll input of a first pattern input through a touch screen, moving contents for each screen section in a scroll direction when the screen scroll input of the first pattern is recognized, and controlling corresponding contents deviated from a corresponding screen section by scrolling to be automatically converted according to a display format of a screen section in which corresponding contents are moved and output to the screen section while moving the deviated contents to an adjacent screen section of the screen in the scroll direction. | 06-06-2013 |
20130151144 | ROAD GUIDANCE DISPLAY METHOD AND SYSTEM USING GEOTAGGING IMAGE - A road guidance display method and system using a geo-tagging image are provided. More specifically, a street image is stored by capturing the street image at a specific point by a camera and storing the street image along with position information at a corresponding point. Subsequently, the street image stored in the storing process is output on a screen when a reproduction command is input by a user or when a vehicle is within a predetermined distance from a street image capturing point. | 06-13-2013 |
Sung Tae Cho, Gyeonggi-Do KR
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20150045167 | HYDRAULIC POWER TRAIN FOR HYBRID VEHICLE - A hydraulic power train for a hybrid vehicle is provided, which can selectively transmit power of a hydraulic driving unit or an engine to driving wheels using a double pinion planetary gear and a synchro sleeve in addition to the hydraulic driving unit. More specifically, a hydraulic power train for a hybrid vehicle is provided, which can achieve various driving modes and maximize the fuel efficiency, by combining a hydraulic driving unit, a double pinion planetary gear, and a synchro-type transmission to implement a continuously variable transmission for a hybrid vehicle that can selectively transmit power of an engine or a hydraulic driving unit. | 02-12-2015 |
Sung Tae Cho, Yongin KR
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20130110333 | SYSTEM FOR HYBRID VEHICLE TO ENHANCE PERFORMANCE DURING ELECTRIC MODE | 05-02-2013 |
20130123063 | SYSTEM FOR HYBRID VEHICLE TO ENHANCE DRIVING PERFORMANCE DURING ELECTRIC MODE - Disclosed is system for a hybrid vehicle that includes an engine, a transmission, and a battery. The system may further include a first clutch configured to connect the engine with the transmission and having a first part and a second part; a first motor/generator configured to be connected to the first part and directly connected to the transmission; a second motor/generator configured to be connected to the second part; and a second clutch configured to connected the second motor/generator with the transmission. In particular, the first part and the second part may be clutches that can operate independently. | 05-16-2013 |
Sung Tae Hong, Seoul KR
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20150014143 | APPARATUS FOR HEAT-TREATING WASTE MATTERS - The present invention relates to an apparatus for heat-treating waste matters, and more particularly an ecological apparatus for heat-treating waste matters, which enables waste matters such as various industrial wastes, city-living wastes and various high polymeric chemical wastes to be subjected to heat treatment at a lower temperature under vacuum in a heat-treating vessel without discharging pollutants produced during the heat treatment such as carbon, tar, noxious gases, malodors, and dust by treatment in a filter mechanism. | 01-15-2015 |
Sung Tae Hong US
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20150014143 | APPARATUS FOR HEAT-TREATING WASTE MATTERS - The present invention relates to an apparatus for heat-treating waste matters, and more particularly an ecological apparatus for heat-treating waste matters, which enables waste matters such as various industrial wastes, city-living wastes and various high polymeric chemical wastes to be subjected to heat treatment at a lower temperature under vacuum in a heat-treating vessel without discharging pollutants produced during the heat treatment such as carbon, tar, noxious gases, malodors, and dust by treatment in a filter mechanism. | 01-15-2015 |
Sung Tae Kang, Seoul KR
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20120105091 | STACKED FPGA BOARD FOR SEMICONDUCTOR VERIFICATION - Disclosed herein is an FPGA board assembly for inspecting a semiconductor, the FPGA board assembly being a programmable logic device (PLD) board for inspecting a semiconductor product design, comprising: one or more FPGA boards, each including an FPGA chip provided with a logic circuit for inspecting a semiconductor and a plurality of connectors for inputting/outputting signals; and a switching board including connectors corresponding to the connectors and selectively connecting signals between the FPGA boards, wherein the one or more FPGA boards and the switching board are connected with each other in the form of a laminate by their respective connectors to inspect a semiconductor product design. The FPGA board assembly is advantageous in that boards can be easily connected with each other and in that various problems, such as difficulties of wiring design, the spatial restriction and the like, can be solved. | 05-03-2012 |
Sung Tae Kim, Daejeon KR
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20160107485 | HYBRID CORD AND HIGH-PERFORMANCE RADIAL TIRE INCLUDING THE SAME - A hybrid cord for a tire, a method of manufacturing the same, and a high-performance environment-friendly radial tire including the same are disclosed herein. The hybrid cord includes a high-modulus fiber ply and a low-modulus fiber ply. The hybrid cord has a stress-strain curve including an initial modulus section, an intermediate modulus section and a final modulus section. The initial modulus of the initial modulus section is higher than the intermediate modulus of the intermediate modulus section, and the final modulus of the final modulus section is higher than the intermediate modulus. | 04-21-2016 |
Sung Tae Kim, Suwon-Si KR
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20110044250 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING A REFERENCE SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting/receiving reference signals in Long Term Evolution (LTE) and LTE-Advanced (LTE-A) systems includes determining whether a dedicated reference signal is detected in a current subframe; estimating, if a dedicated reference signal is detected in the current subframe, a data channel using the dedicated reference signal to receive data; and estimating, if no dedicated reference signal is detected in the current subframe, a data channel using a common reference signal detected in the current subframe to receive data. The transmission scheme uses a DeModulation Reference Signal (DM-RS) for channel response estimation. To secure backward compatibility of the LTE-A system, a Common Reference Signal is transmitted in normal subframes. | 02-24-2011 |
20110051749 | METHOD OF REFERENCE SIGNAL ALLOCATION IN WIRELESS COMMUNICATION SYSTEMS - A method is provided for determining reference signal positions in a frequency-time domain in an Orthogonal Frequency Division Multiple Access (OFDMA) system. A plurality of sub-carriers are selected in one resource block according to a predetermined mother pattern for reference signal allocation. When a single resource block is assigned for transmission to a user, the reference signal positions are determined corresponding to the plurality of selected sub-carriers in the single resource block. When multiple resource blocks are assigned for transmission to a user, the reference signal positions are determined in the multiple resource blocks by reducing a number of the plurality of selected sub-carriers in the mother pattern for at least one of the multiple resource blocks. | 03-03-2011 |
20110170435 | METHOD FOR PROCESSING CSI-RS IN WIRELESS COMMUNICATION SYSTEM - A method for processing a Channel State Information Reference Signal (CSI-RS) in a wireless communication system based on a multiple access scheme is provided. The CSI-RS transmission method defines a plurality of CSI-RS patterns, assigns the CSI-RS patterns to individual cells, uses the CSI-RSs alternately per Physical Resource Block (PRB) so as to utilize the transmission powers of all antenna ports for transmitting CSI-RSs, transmits Coordinated Multi Point (CoMP) CSI-RSs and non-CoMP CSI-RSs separately, and mutes specific resources in association with the CSI-RS pattern of adjacent cells. | 07-14-2011 |
20110170631 | METHOD AND APPARATUS FOR MAPPING/DEMAPPING RESOURCE IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for mapping/demapping a resource efficiently in a wireless communication system are provided. A resource mapping method of a transmitter in a wireless communication system includes precoding pairs of symbols, arranging the pairs of precoded symbols adjacently in a resource block, and transmitting the pairs of precoded symbols in the resource block. | 07-14-2011 |
20110194536 | METHOD FOR INDICATING A DM-RS ANTENNA PORT IN A WIRELESS COMMUNICATION SYSTEM - A control information interpretation method for use in a mobile communication system including a terminal and a base station, wherein the terminal receives, from the base station, control information including transport block information and DeModulation Reference Signal (DM-RS) antenna port allocation indication information, checks a number of the transport blocks allocated to the terminal based on the transport block information, and interpreting the DM-RS antenna port allocation indication information according to the number of transport blocks. | 08-11-2011 |
20110300854 | METHOD OF CONTROL INDICATION IN MULTI-INPUT MULTI-OUTPUT COMMUNICATION SYSTEMS - Multiple Transport Blocks (TBs) or data streams are provided in Multi-Input-Multi-Output (MIMO) wireless communication systems herein. The base station (eNB) controls and schedules all downlink and uplink transmission to and from User Equipments, which need to receive an uplink grant from BS/eNB before they transmit. The uplink grant is carried as one of the control indication message in the downlink. The BS/eNB also transmits ACK/NACK information in the HARQ indication channel to the UE for each of the transport blocks. The UE detects the control indication to determine the actual uplink scheduling, as well as the HARQ indication. A method of transmitting a control indication message, which contains a detailed transmit format for one of the TBs to be transmitted, while allowing simultaneous communications on the other TBs is also enclosed. | 12-08-2011 |
20110305295 | METHOD AND APPARATUS FOR TRANSMITTING CSI-RS AND DATA USING PARTIAL MUTING OF CSI-RS - A method and apparatus for transmitting Channel State Information Reference Symbol (CSI-RS) and data with partial muting of the CSI-RS are proposed. The method includes determining a CSI-RS pattern to be used among CSI-RS pattern candidates, determining a muting pattern for muting some resource elements constituting CSI-RS pattern candidates except for the determined CSI-RS pattern, mapping data symbols and CSI-RS to resource elements in a resource grid with rate patching in consideration of the CSI-RS pattern and muting pattern, and transmitting the data symbols and CSI-RS to a terminal. | 12-15-2011 |
20120039282 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Methods and apparatus are provided for transmitting processing reference signals in a mobile communication system. A base station determines a reference signal pattern comprising at least one resource element, generates a bitmap indicator indicating whether zero transmission power is assigned to the at least one resource element of the reference signal pattern, and transmits the reference signal pattern and the bitmap indicator to a terminal. The terminal receives the reference signal pattern and the bitmap indicator, and processes a reference signal extracted according to the reference signal pattern and the bitmap indicator. | 02-16-2012 |
20120088514 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FEEDBACK INFORMATION FOR INTER-CELL COOPERATIVE TRANSMISSION IN WIRELESS COMMUNICATION CELLULAR SYSTEM - A method for transmitting feedback information for cooperative transmission in a wireless communication cellular system comprises: receiving information on cells that can be cooperatively transmitted from a base station; determining cells that prefer the cooperative transmission among the cells that can be cooperatively transmitted; generating feedback information, which includes a preference cell indicator representing preferred cells and non-preferred cells for the cooperative transmission among the cells that can be cooperatively transmitted, precoding matrix information for the respective cell that can be cooperatively transmitted, phase information representing a phase correction value of each of the preferred cells for the cooperative transmission, and a channel quality indicator; and transmitting the feedback information through a control channel or a data channel. Accordingly, the present invention provides a method and apparatus for transmitting and receiving a report of implicative feedback information on code books that can be designed for the gain improvement of a high-level inter-cell cooperative transmission. | 04-12-2012 |
20120207145 | METHOD AND APPARATUS FOR DOWNLINK TRANSMISSION BASED ON MIMO PRECODING IN WIRELESS COMMUNICATION SYSTEM EMPLOYING DISTRIBUTED ANTENNA SYSTEMS - A transmission method and apparatus utilizing Multiple-Input and Multiple-Output (MIMO) precoding based on Distributed Antenna Systems (DASs) are provided. The transmission method includes determining active antenna ports, for a User Equipment (UE) having multiple receive antennas, from among a plurality of Distributed Antenna Ports (DAPs) evenly placed in a service area; assigning a Multiple-Input and Multiple-Output (MIMO) mode to the UE and notifying the UE of the MIMO mode assignment; determining a signal precoding vector on a basis of feedback information for the MIMO mode received from the UE; and precoding a signal using the signal precoding vector and transmitting the precoded signal through the active antenna ports. | 08-16-2012 |
20120320832 | APPARATUS AND METHOD FOR SENDING AND RECEIVING CHANNEL STATE INFORMATION IN COMMUNICATION SYSTEM - The present invention relates to a channel status information transmission/reception method and apparatus in a wireless communication system in which the transmission apparatus generates channel status informations for at least two transmission schemes by combining rank informations corresponding to the transmission schemes into combined rank information through analyzing an uplink channel, and transmits the channel status informations for the respective transmission schemes on up link channel, the channel status information for one of the transmission schemes containing the combined rank information; the reception apparatus receives the channel status informations corresponding to at least two transmission schemes, the channel status information for one of the transmission schemes including combined rank information for the transmission schemes, schedules downlink channel according to the channel status information, and transmits signals on the downlink channel. According to the present invention, the transmission apparatus combines rank informations of a plurality of transmission schemes and feeds back the combined rank information so as to reduce overhead at a reception apparatus. | 12-20-2012 |
20130234611 | LIGHT EMITTING DEVICE - Light emitting devices. A light emitting device including a power source; and a plurality of light emitting diode (LED) arrays coupled to the power source unit; and at least one delay unit. Each delay unit is coupled to a corresponding light emitting diode array of the light emitting diode arrays. | 09-12-2013 |
20140029687 | METHOD FOR MAPPING AND DEMAPPING RESOURCE IN A WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREOF - A method and apparatus for mapping/demapping a resource efficiently in a wireless communication system are provided. A resource mapping method of a transmitter in a wireless communication system includes precoding pairs of symbols, arranging the pairs of precoded symbols adjacently in a resource block, and transmitting the pairs of precoded symbols in the resource block. | 01-30-2014 |
20140126668 | Method for processing CSI-RS in wireless communication system - A method for transmitting a Channel State Information-Reference Signal (CSI-RS) in an Orthogonal Frequency Division Multiple Access (OFDMA) system, the method comprising of determining a CSI-RS pattern type based on a Physical Resource Block (PRB) index of a subframe, assigning, when the subframe is supposed to carry the CSI-RS, CSI-RSs of first to Nth antenna ports to first to Nth Orthogonal Frequency Division Multiplexing (OFDM) symbols of a PRB based on the CSI-RS pattern type, and transmitting the subframe including the PRB in which CSI-RSs of the first to Nth antennas a mapped, wherein the first to Nth CSI-RS pattern types map CSI-RSs of the first to Nth antenna ports to the first to Nth OFDM symbols of the PRB in an alternate manner. | 05-08-2014 |
20140133343 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FEEDBACK INFORMATION FOR INTER-CELL COOPERATIVE TRANSMISSION IN WIRELESS COMMUNICATION CELLULAR SYSTEM - A method for transmitting feedback information for collaborative transmission in a cellular radio communication system is provided. The method includes receiving, from the base station, collaborative cell information indicating a plurality of collaborative cells, determining at least two preferred collaborative cells among the plurality of collaborative cells, generating feedback information including cell indicators for discriminating between the at least two preferred collaborative cells and the other cell, precoding matrix indicators for the at least two preferred collaborative cells, and channel quality indicators, and transmitting the feedback information via one of a control channel and a data channel. | 05-15-2014 |
20140185527 | METHOD AND APPARATUS FOR TRANSMITTING CSI-RS AND DATA USING PARTIAL MUTING OF CSI-RS - A method and apparatus for transmitting Channel State Information Reference Symbol (CSI-RS) and data with partial muting of the CSI-RS are proposed. The method includes determining a CSI-RS pattern to be used among CSI-RS pattern candidates, determining a muting pattern for muting some resource elements constituting CSI-RS pattern candidates except for the determined CSI-RS pattern, mapping data symbols and CSI-RS to resource elements in a resource grid with rate patching in consideration of the CSI-RS pattern and muting pattern, and transmitting the data symbols and CSI-RS to a terminal. | 07-03-2014 |
20140290361 | APPARATUS FOR DRIVING GYROSCOPE SENSOR - Disclosed herein is an apparatus for driving a gyroscope sensor, including: multi-axis sensing means; detecting circuit means; switching means that is disposed between the axes of the multi-axis sensing means and the detecting circuit means so as to connect or disconnect between the axes of the multi-axis sensing means and the detecting circuit means according to a switching control signal; and control means that controls the switching means such that the axes of the multi-axis sensing means and the detecting circuit means are sequentially connected or disconnected. By providing Integrated detecting circuit means to detect gyro signals on axes from a gyroscope sensor, size can be reduced and power consumption (current) and cost can be saved. | 10-02-2014 |
20140368367 | CONTINUOUS-TIME SIGMA-DELTA MODULATOR AND CONTINUOUS-TIME SIGMA-DELTA MODULATING METHOD - Disclosed herein are a continuous-time sigma-delta modulator and a continuous-time sigma-delta modulating method. According to an exemplary embodiment of the present invention, the continuous-time sigma-delta modulator includes: an integrator receiving and integrating a signal; a quantizer quantizing an output of the integrator to be digitally output; a timer receiving the digital output of the quantizer to charge and discharge a charging and discharging capacitor according a predetermined timing so as to generate a trapezoidal waveform; and a digital-to-analog converter (DAC) outputting a digital-to-analog converted trapezoidal waveform depending on the digital output of the quantizer by using the timer to feedback the digital-to-analog converted trapezoidal waveform to be summed with a signal input to the integrator Further, the continuous-time sigma-delta modulating method is proposed. | 12-18-2014 |
20150020589 | APPARATUS FOR DRIVING GYRO SENSOR AND CONTROL METHOD THEREOF - Disclosed herein is an apparatus for driving a gym sensor including a driving displacement signal processing unit, a sensing signal processing unit and an automatic quadrature signal controller configured to control the variable resistor through digital correction when a quadrature signal exists, and minimize an amplitude of the quadrature signal. | 01-22-2015 |
20150020592 | RESISTIVE TYPE ACCELERATION SENSOR - Disclosed herein is a resistive type accelerator sensor, including: a sensor unit; and a continuous time sigma-delta ADC including an input unit which receives an analog input signal transferred from the sensor unit, an addition circuit which is coupled with the input unit to receive the analog input signal and an analog feedback signal transferred from DAC to provide a summed signal, an integrator which integrates the summed signal transferred from the addition circuit, a comparator which converts an integrated signal transferred from the integrator into a digital signal, and an output unit which transfers the digital output signal. | 01-22-2015 |
20150098517 | METHOD FOR MAPPING AND DEMAPPING RESOURCE IN A WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREOF - A method and apparatus for mapping/demapping a resource efficiently in a wireless communication system are provided. A resource mapping method of a transmitter in a wireless communication system includes precoding pairs of symbols, arranging the pairs of precoded symbols adjacently in a resource block, and transmitting the pairs of precoded symbols in the resource block. | 04-09-2015 |
20150098518 | METHOD FOR MAPPING AND DEMAPPING RESOURCE IN A WIRELESS COMMUNICATION SYSTEM AND AN APPARATUS THEREOF - A method and apparatus for mapping/demapping a resource efficiently in a wireless communication system are provided. A resource mapping method of a transmitter in a wireless communication system includes precoding pairs of symbols, arranging the pairs of precoded symbols adjacently in a resource block, and transmitting the pairs of precoded symbols in the resource block. | 04-09-2015 |
20150124758 | DEVICE AND METHOD FOR COMMUNICATING CHANNEL STATE INFORMATION REFERENCE SIGNAL (CSI-RS) IN WIRELESS COMMUNICATION SYSTEM - A method for wireless communication by a terminal, a method for wireless communication by a base station, the terminal, and the base station, are provided. The method for wireless communication by the terminal includes receiving first information comprising a muting subframe interval, a subframe offset, and a muting position of a resource element in a resource block, checking presence of a data in a subframe, determining the resource element to be muted in the subframe based on the muting subframe interval, the subframe offset, and the muting position, if the data is present, and receiving the data on a physical downlink shared channel (PDSCH) based on the result of the determining step. | 05-07-2015 |
20150153174 | APPARATUS FOR DRIVING GYRO SENSOR AND CONTROL METHOD THEREOF - An apparatus for driving a gyro sensor includes a gyro sensor, an analog circuit, a signal converter, and a digital automatic gain controller. The gyro sensor includes at least one driving mass. The analog circuit detects an amplitude value or a phase value of resonance of the driving mass from first and second driving displacement signals output from the gyro sensor. The signal converter converts the amplitude value or the phase value into a digital value. The digital automatic gain controller outputs a control gain for controlling a signal driving resonance of the driving mass based on a selected one of a phase or amplitude of resonance of the driving mass, so that a selected one of the amplitude value and the phase value input from the signal converter is converged to a preset targeted value. | 06-04-2015 |
20150260755 | GYRO SENSOR DRIVING APPARATUS AND METHOD FOR CONTROLLING THEREOF - Disclosed herein is a gyro sensor driving apparatus including a driving displacement signal processing unit processing a driving displacement signal input from a gym sensor and a driving signal formed by using the driving displacement signal to the gym sensor, a sensing signal processing unit converting a sensing signal input from the gyro sensor into a voltage signal and subsequently detecting a direct current (DC)-type gyro signal value through a demodulation process (mixing) using the driving displacement signal; and a quadrature signal correcting unit detecting a DC-type quadrature signal value and subsequently applying a DC-type correction signal corresponding to an integrated value of the quadrature signal value to the gyro sensor. | 09-17-2015 |
Sung Tae Kim, Incheon KR
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20120074999 | SCHMITT TRIGGER CIRCUIT OPERATED BASED ON PULSE WIDTH - There are provided a Schmitt trigger circuit that has hysteresis characteristics in which a release point and an operating point are determined based on a width of an inputted pulse. The Schmitt trigger circuit may include a signal/pulse conversion unit that receives an analog signal to generate an input pulse having a width corresponding to a magnitude of the analog signal, a pulse width determination unit that compares the width of the input pulse generated in the signal/pulse conversion unit with a predetermined first threshold width and a second threshold width greater than the first threshold width to output state information indicating the compared result, and an output determination unit that outputs a high signal, when the width of the input pulse is changed from a state of being smaller than the second threshold width to a state of being greater than the second threshold width based on the state information, and outputs a low signal when the width of the input pulse is changed from a state of being greater than the first threshold width to a state of being smaller thali the first threshold width based on the state information. | 03-29-2012 |
20120119819 | CURRENT CIRCUIT HAVING SELECTIVE TEMPERATURE COEFFICIENT - There is provided a current circuit having a selective temperature coefficient. The current circuit may include: a first current generating unit generating a first current having a positive temperature characteristic which increases depending on temperature; a second current generating unit generating a second current having a negative temperature characteristic which decreases depending on temperature; a multiplying unit multiplying and outputting each of the first current and the second current; and a switching unit selectively synthesizing and outputting a plurality of currents outputted from the multiplying unit depending on on/off control signals. Therefore, it is possible to prevent performance from being deteriorated by temperature and easily and efficiently adjust a temperature coefficient through a simple switching logic. | 05-17-2012 |
20120256622 | HALL SENSOR HAVING OFFSET REMOVAL FUNCTION AND OFFSET REMOVING METHOD THEREOF - There are provided a hall sensor having an offset removal function removing an offset included in a hall voltage, and an offset removing method thereof. The hall sensor includes: a converting unit converting first and second detection voltages detected for each of a plurality of preset detection directions by a hall device detecting a magnetic field as a voltage according to the plurality of preset detection directions into a pulse having a level difference therebetween as a width; a sign determining unit comparing the first and second detection voltages with each other and determining whether the pulse has a positive sign or a negative sign according to the comparison result; a counter counting the width of the pulse from the converting unit with a preset reference time unit; and an operating unit removing an offset voltage included in the first and second detection voltages by performing a minus operation with the numbers counted by the counter according to the sign determined by the sign determining unit. | 10-11-2012 |
20140073166 | CONNECTOR, AND ASSEMBLY OF CABLE AND CONNECTOR - The connector includes a housing, a plurality of contacts fixedly disposed in the housing, and a fitting nail disposed at least one side end portion of the housing. The fitting nail includes a base fixedly disposed at a longitudinal section of an internal space of the housing, and an elastic piece upwardly extending from the base and pressed toward the base by an external force. The fitting nail is positioned between the first and second extending members of the elastic piece and further includes a locking piece extending toward the cut-out portion in a state in which it is upwardly inclined from the front end portion of the base. | 03-13-2014 |
Sung Tae Kim, Gyeonggi-Do KR
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20120076038 | INFORMATION FEEDBACK METHOD FOR COORDINATED MULTIPOINT COMMUNICATION - Coordinated multipoint communication is a technology for improving cell-edge performance for users in a cell-type mobile communication system. In order to enable a coordinated multipoint transmission/reception operation, a user equipment report of a local environment is required to select both coordinated communication modes and communication partners in evolved Node B (eNB) base stations. According to the present invention, a method is described for feeding back information from User Equipment (UE) to a serving base station to enable a coordinated multi-point transmission/reception operation. The information reported through the feedback is classified into two categories corresponding to received signal intensity information and received signal timing information. The UE may select one or both types of information from between the categories to provide feedback. In embodiments of the present invention, various overhead-reducing reporting formats are described. | 03-29-2012 |
20120140663 | METHOD AND APPARATUS FOR FEEDBACK OF CHANNEL STATE INFORMATION IN A DISTRIBUTED ANTENNA SYSTEM (DAS)- BASED WIRELESS COMMUNICATION SYSTEM - Feedback methods and apparatuses are provided for efficiently feeding back downlink Channel State Information (CSI) using limited information in a DAS-based wireless communication system. A method includes determining, by a receiver, a candidate Antenna Port (AP) set from among a plurality of APs; selecting an active AP set from the candidate AP set; and transmitting the candidate AP set, the active AP set, and the downlink CSI of active APs included in the active AP set | 06-07-2012 |
20130047727 | DRIVING CIRCUIT, SYSTEM, AND DRIVING METHOD FOR GYRO SENSOR - Provided is a driving circuit, system, and driving method for a gyro sensor. The gyro sensor driving circuit includes a charge/voltage conversion unit receiving a charge output from a vibration-type gyro sensor and converting the charge output into a voltage signal; a phase converting unit receiving a signal from the charge/voltage converting unit and converting a phase of the received signal; a pulse generating unit receiving an output signal of the phase converting unit and outputting the output signal as a pulse wave; a pulse converting unit converting the pulse wave output from the pulse generating unit into a pulse signal using a certain voltage level as reference so as to apply the pulse wave as a driving signal; and a control unit controlling the pulse converting unit to generate the pulse signal using the certain voltage level as reference. | 02-28-2013 |
20130061675 | ACCELERATION MEASURING APPARATUS AND ACCELERATION MEASURING METHOD - Disclosed herein are an acceleration measuring apparatus and an acceleration measuring method. The acceleration measuring apparatus includes: an acceleration sensor including a first output terminal and a second output terminal; a first switch of which an end is connected to the first output terminal; a second switch of which an end is connected to the second output terminal; a first resistor of which an end is connected to the other end of the first switch; a second resistor of which an end is connected to the other end of the second switch; a logic element connected to the end of the first resistor and the end of the second resistor; and a Time-to-Digital Convertor (TDC) converting a signal output from the logic element into a digital value. | 03-14-2013 |
20130133397 | GYRO SENSOR OFFSET AUTOMATIC CORRECTING CIRCUIT, GYRO SENSOR SYSTEM AND METHOD FOR AUTOMATICALLY CORRECTING OFFSET OF GYRO SENSOR - Disclosed herein are a gyro sensor offset automatic correcting circuit, a gyro sensor system, and a method for automatically correcting offset of a gyro sensor. There is provided a gyro sensor offset automatic correcting circuit, including: a signal gain controller receiving and amplifying output signals of each sensor electrode, while removing at least some of offset by a driving signal component included in each output signal by controlling a variable resistor(s); and an amplitude detector detecting the output signal of the signal gain controller to control the variable resistor(s) so that the output signal of the signal gain controller is maintained within a predetermined range. Further, there are provided a gyro sensor system including the gyro sensor offset automatic correcting circuit and a method for automatically correcting offset of a gyro sensor. | 05-30-2013 |
20130142121 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING A REFERENCE SIGNAL IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting/receiving reference signals in Long Term Evolution (LTE) and LTE-Advanced (LTE-A) systems includes determining whether a dedicated reference signal is detected in a current subframe; estimating, if a dedicated reference signal is detected in the current subframe, a data channel using the dedicated reference signal to receive data; and estimating, if no dedicated reference signal is detected in the current subframe, a data channel using a common reference signal detected in the current subframe to receive data. The transmission scheme uses a DeModulation Reference Signal (DM-RS) for channel response estimation. To secure backward compatibility of the LTE-A system, a Common Reference Signal is transmitted in normal subframes. | 06-06-2013 |
20130160546 | GYRO SENSOR DRIVE CIRCUIT, GYRO SENSOR SYSTEM AND METHOD FOR DRIVING GYRO SENSOR - Disclosed herein are a gyro sensor drive circuit, a gyro sensor system, and a method for driving a gyro sensor. The gyro sensor drive circuit includes: a drive signal generating unit receiving a signal converted from an output signal of a gyro sensor to generate a drive signal to be applied to the gyro sensor; a resonance determining unit receiving the output signal of the gyro sensor, a demodulation signal for demodulating the output signal, or the drive signal to determine whether or not the gyro sensor resonates; and a start signal applying unit allowing the drive signal to be applied to the gyro sensor when it is determined that the gyro sensor resonates and allowing a start-up signal capable of generating resonance of the gyro sensor to be applied to the gyro sensor when it is determined that the gyro sensor does not resonate. | 06-27-2013 |
20150124753 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Methods and apparatus are provided for transmitting a reference signal by a base station in a mobile communication system. The method includes generating, at the base station, information for a non zero transmission power reference signal including at least one resource element; generating, at the base station, bitmap information indicating a zero transmission power reference signal; and transmitting, at the base station, the information for the non zero transmission power reference signal and the bitmap information to a terminal. | 05-07-2015 |
20150382356 | METHOD FOR INDICATING A DM-RS ANTENNA PORT IN A WIRELESS COMMUNICATION SYSTEM - A control information interpretation method of a terminal and a base station in a mobile communication system, and a terminal and a base station concerning the same, respectively, are provided. The control information interpretation method of a terminal includes receiving, by the terminal, control information including transport block information and antenna port related information; identifying whether a codeword 0 is enabled and a codeword 1 is disabled, or both the codeword 0 and the codeword 1 are enabled based on the transport block information; and interpreting the antenna port related information according to a result of the identification. | 12-31-2015 |
Sung Tae Kim, Chungcheongbuk-Do KR
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20120091101 | CONTACT ASSEMBLY FOR VACUUM INTERRUPTER - The contact assembly for a vacuum interrupter, comprises: a fixed contact; a fixed electrode coupled to the fixed contact; a movable contact movable to a first position at which the movable contact comes into contact with the fixed contact and a second position at which the movable contact is separated from the fixed contact; a movable electrode coupled to the movable contact and movable with the movable contact; and a contact support member installed to be in contact with the movable contact on the circumference of the movable electrode and increase a contact area contacting the movable contact together with the movable electrode in order to reduce stress applied to the movable contact and the movable electrode when the movable contact moves to the first position. | 04-19-2012 |
20120091102 | CONTACT FOR VACUUM INTERRUPTER - According to the present invention, there is disclosed a contact of the vacuum interrupter, comprises a plurality of slot portions formed in an extended manner toward an outer circumferential surface from a plurality of positions, respectively, spaced apart from the center of a contact surface, and a petal portion formed between a pair of the adjacent slot portions, and to minimize a mechanical fragile part having a narrow width in the petal portion while inducing the rotational movement of an arc, each of the slot portion comprises a first end portion closed and adjacent to the center, a second end portion open and adjacent to the outer circumferential surface, a first slot portion linearly extended from the first end portion, and a second slot portion linearly extended to the second end portion by bending the first slot portion at a predetermined angle. | 04-19-2012 |
Sung Tae Kim, Yongin KR
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20130113277 | BATTERY MANAGEMENT SYSTEM AND METHOD OF VEHICLE - Disclosed is a battery management system. More specifically, the battery management system includes an alternator that supplies a battery and electronic equipment of a vehicle with electricity that is generated by a driving torque of the vehicle, a battery that supplies the electronic equipment with power that is charged by the alternator, a battery observer that observes a condition of the battery, a vehicle information collection portion that collects vehicle condition information according to driving of the vehicle, and a control portion that performs charging recovery of the battery by activating a battery refresh operation when at least one condition of a current accumulation value of the battery, a low SCO entry frequency, and a vehicle starting frequency satisfies a predetermined battery refresh condition. | 05-09-2013 |
20160084916 | APPARATUS AND METHOD FOR CONTROLLING CONVERTER - An apparatus and method for controlling a converter are provided. The apparatus includes a battery and a sensor configured to sense the battery to generate sensor state of battery information. A converter controller is configured to acquire the sensor state of battery information and vehicle state information received from a vehicle controller to calculate calibrated state of battery information based on whether a correction execution condition on the sensor state of battery information is satisfied. In addition, the converter controller uses the calibrated state of battery information and the sensor state of battery information to calculate an error correction value and uses the error correction value to calculate actual state of battery information. A converter is then configured to supply power to the battery based on the sensor state of battery information or the actual state of battery information. | 03-24-2016 |
Sung Tae Kim, Suwon KR
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20140000364 | HYBRID ANALOG TO DIGITAL CONVERTER AND SENSING APPARATUS USING THE SAME | 01-02-2014 |
20140055124 | PEAK DETECTOR AND AUTO GAIN CONTROLLER USING THE SAME - Disclosed herein is a peak detector including: a operation time point providing unit outputting a certain time point before the maximum value in an interval in which a driving displacement increases as an operation time point, when a raising edge of an operation interval signal is detected; and a holding circuit unit, when a reset signal is input, starting an operation at the operation time point provided from the operation time point providing unit after an operation standby state and sensing and outputting a driving displacement of a driving mass. | 02-27-2014 |
20140174178 | GAIN CONTROL DEVICE OF GYRO SENSOR DRIVING SIGNAL AND GAIN CONTROL METHOD THEREOF - Disclosed herein is a gain control device of a gyro sensor driving signal, including: a gyro sensor generating a gyro signal; a driving signal supply unit applying a driving signal to the gyro sensor; and a gain control unit detecting positive and negative driving signals of the gyro sensor so as to be output as a pulse waveform and changing the pulse waveform to a resistance value corresponding to the pulse waveform to compensate for a gain of the driving signal, whereby it is possible to simply implement the circuit and reduce costs, by controlling the gain of the gyro sensor | 06-26-2014 |
20140190256 | VIBRATORY GYRO SENSOR SYSTEM - Disclosed herein is a vibratory gyro sensor system, including: a driving unit shifting a signal output from a first sensing element of a gyro sensor by a preset shift phase, amplifying the phase shifted signal to a preset gain, and self-oscillates the amplified signal to generate and feedback a driving signal; an automatic gain control unit converting and amplifying capacitance output from a second sensing element of a gyro sensor into voltage; and a signal detection unit converting and amplifying the capacitance output from the first sensing element and the second sensing element into voltage. | 07-10-2014 |
20140283600 | GYRO SENSOR DRIVER AND PULSE TRANSLATION DEVICE USED THEREFOR - Disclosed herein are a gyro sensor driver and a pulse translation device used thereof. The gyro sensor driver, includes: a phase shifter that delays a signal output from an output terminal of a vibrating sensor to output a phase-shifted signal; a comparator that inverts a signal output from the phase shifter to output a clock signal; a reference voltage generator that generates and outputs reference voltage; and a pulse translator that receives the reference voltage output from the reference voltage generator and the clock signal output from the comparator to generate and output a signal of a predetermined pulse, thereby generating a desired driving signal with low current. | 09-25-2014 |
Sung Tae Kim, Hwaseong KR
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20140117825 | AIR CONDITIONER - An air conditioner includes a control box assembly capable of efficiently utilizing a space inside a control box and easily performing inspection and repair of a circuit unit disposed in the control box. The air conditioner includes a case that constitutes an exterior and a control box assembly mounted in the case, wherein the control box assembly includes a control box in which an accommodation portion is formed, a sliding panel having one side on which a circuit unit is mounted and being accommodated in the accommodation portion so as to be taken out of the control box, and a rotation panel having one side on which the circuit unit is mounted and being rotatably mounted at one side of the control box. | 05-01-2014 |
Sung Tae Kim, Hwaseong-Si KR
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20130167559 | HEAT PUMP AND CONTROL METHOD THEREOF - Disclosed herein are a heat pump and a control method thereof. The heat pump includes an outdoor unit including a compressor, an outdoor heat exchanger, and a first expansion valve, an indoor unit including an indoor heat exchanger and a second expansion valve, a hydro unit including a hot water heat exchanger and a third expansion valve, the hydro unit heating or cooling water through heat exchange between a refrigerant and the water, a refrigerant flow path switching member to switch refrigerant flow paths among the compressor, the outdoor heat exchanger, the indoor unit, and the hydro unit such that simultaneous heating and cooling operations and/or simultaneous cooling and heating operations through the indoor unit and the hydro unit are performed in a heat recovery mode to recover and reuse residual heat, and a controller to control the refrigerant flow path switching member such that at least one of the simultaneous operations is performed in the heat recovery mode. | 07-04-2013 |
20140118940 | COOLING DEVICE FOR ELECTRONIC MACHINE - A cooling device for an electronic machine includes an airflow channel through which external air passes, an air inlet duct through which external air is introduced and which is disposed at an upper front surface of the airflow channel and extends perpendicularly to the airflow channel, a blower fan disposed in the air inlet duct to draw in external air through the air inlet duct, an air outlet duct disposed at a lower portion of the airflow channel to discharge air from the airflow channel, and a heat-radiating unit disposed to the rear of a circuit board mounted with electronic components on a front surface thereof to absorb heat from the circuit board. The heat-radiating unit is located, apart from the blower fan, in the airflow channel. Through the improved cooling airflow structure, cooling efficiency is increased, noise is reduced and continuous cooling operation is achieved. | 05-01-2014 |
Sung Tae Kwon, Goyang-Si KR
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20120322339 | ASSEMBLING TOY BLOCK WITH EMBEDDED MAGNETS - Provided is a toy building block which uses magnets, and which is a combination building block toy and teaching instrument with embedded magnets, wherein on each of the four edges of an upper frame ( | 12-20-2012 |
Sung Tae Lim, Pyeongtaek KR
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20100308949 | MULTILAYER POWER INDUCTOR USING SHEETS CHARGED WITH SOFT MAGNETIC METAL POWDER - The present invention relates to a multilayer power inductor in which sheets are charged with a soft magnetic metal alloy powder having a shape optimized along a magnetic path, pattern circuits made from conductive materials are formed on the sheets, and via holes are formed through the sheets to easily connect pattern circuits. The power inductor of the present invention is manufactured by stacking the above-described sheets into multiple layers. The sheets of the inductor of the present invention are charged with soft magnetic metal powder having a high magnetization density, and fine gaps are distributed among the powder the shape of which is optimized along a magnetic path to ensure high current superposition characteristics which allow the use of 1A to several tens of A without causing leakage flux, and ensure stable inductance to a high frequency domain of the 10 MHz band. Further, the present invention is advantageous as it provides an inductor with a thin width, a large area, high inductance and high direct current superposition characteristics. | 12-09-2010 |
20120105188 | STACKED INDUCTOR USING MAGNETIC SHEETS, AND METHOD FOR MANUFACTURING SAME - The present invention relates to a multilayered chip power inductor with high direct current superposition characteristics and high-frequency characteristics, particularly to a multilayered chip power inductor using as magnetic materials a magnetic sheet filled up with soft magnetic metal powder and a magnetic core. The present invention is to provide a multilayered chip power inductor achieving high inductance and direct current superposition characteristics. In order to achieve the objective, the present invention provides a multilayered chip power inductor using a magnetic sheet, characterized in that a plurality of magnetic sheets are laminated, wherein an electrical conductive circuit is formed on the surfaces of said sheets; that a terminal is formed at an outermost part; that said electrical conductive circuit and said terminal are electrically connected through via holes, and form a circuit in the form of a coil; and that a magnetic core is inserted into said circuit, and a method for manufacturing the same. | 05-03-2012 |
20140047704 | STACKED INDUCTOR USING MAGNETIC SHEETS, AND METHOD FOR MANUFACTURING SAME - The present invention relates to a multilayered chip power inductor with high direct current superposition characteristics and high-frequency characteristics, particularly to a multilayered chip power inductor using as magnetic materials a magnetic sheet filled up with soft magnetic metal powder and a magnetic core. The present invention is to provide a multilayered chip power inductor achieving high inductance and direct current superposition characteristics. In order to achieve the objective, the present invention provides a multilayered chip power inductor using a magnetic sheet, characterized in that a plurality of magnetic sheets are laminated, wherein an electrical conductive circuit is formed on the surfaces of said sheets; that a terminal is formed at an outermost part; that said electrical conductive circuit and said terminal are electrically connected through via holes, and form a circuit in the form of a coil; and that a magnetic core is inserted into said circuit, and a method for manufacturing the same. | 02-20-2014 |
20160027572 | METHOD OF MANUFACTURING A MULTILAYERED CHIP POWER INDUCTOR - The present invention relates to a multilayered chip power inductor with high direct current superposition characteristics and high-frequency characteristics, particularly to a multilayered chip power inductor using as magnetic materials a magnetic sheet filled up with soft magnetic metal powder and a magnetic core. The present invention is to provide a multilayered chip power inductor achieving high inductance and direct current superposition characteristics. In order to achieve the objective, the present invention provides a multilayered chip power inductor using a magnetic sheet, characterized in that a plurality of magnetic sheets are laminated, wherein an electrical conductive circuit is formed on the surfaces of said sheets; that a terminal is formed at an outermost part; that said electrical conductive circuit and said terminal are electrically connected through via holes, and form a circuit in the form of a coil; and that a magnetic core is inserted into said circuit, and a method for manufacturing the same. | 01-28-2016 |
Sung Tae Nam Goong, Gyeonggi-Do KR
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20090161216 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - Provided are a display device including a fluid buffer layer and a method for manufacturing the same. The display device includes a display device layer, a passivation layer, an encapsulation layer, and a fluid buffer layer. The display device layer is disposed on one surface of a substrate. The passivation layer is disposed on the display device layer. The encapsulation layer has a cup-shaped internal space to protect the display device layer. The fluid buffer layer is formed on at least one of the top and the side of the passivation layer formed on the display device layer. Because the fluid buffer layer is formed on the display device layer, oxygen and moisture are prevented from flowing into the display device layer, thus suppressing the device lifetime reduction. Also, an external physical impact is absorbed by the fluid buffer layer, thus minimizing the damage to the display device. | 06-25-2009 |
20090165718 | GAS INJECTOR AND FILM DEPOSITION APPARATUS HAVING THE SAME - Provided are a gas injector and a film deposition apparatus having the same. The gas injector includes a body, a supply hole, an injection hole, and a distribution plate. The body is configured to provide an inner space therein. The supply hole is formed in an upper surface of the body to communicate with the inner space and receive a raw material. The injection hole is formed in a lower surface of the body to communicate with the inner space and inject the raw material. The distribution plate is disposed in the inner space of the body. A through hole is formed in the distribution plate. The distribution plate is disposed to be inclined at a predetermined angle with respect to a horizontal plane. The gas injector can uniformly inject the raw material and improve vaporization efficiency of the raw material having a powder form. | 07-02-2009 |
Sung Tae Park, Gyeonggi-Do KR
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20100226113 | POWER DISTRIBUTION APPARATUS - A power distribution apparatus is provided. The apparatus may include a modulated block type power distribution apparatus capable of reducing a space by consequently connecting a main breaker to a sub breaker as a block not to form a gap while installing. The apparatus may include a multifunctional block type power distribution apparatus capable of easily connecting breakers with one another, the breaker having different height, by additionally installing a height controller able to control a height of a branch breaker on the apparatus manufactured in one mold and preventing wrong coupling while connecting a plurality of branch breakers with one another. The apparatus may include a preassembled power distribution apparatus capable of increasing coherence between terminals while coupling a main breaker terminal, a branch breaker terminal, and an additional breaker terminal, forming the preassembled power distribution apparatus, with various terminals of another preassembled power distribution apparatus. | 09-09-2010 |
Sung-Tae Cho, Anyang KR
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20130124082 | NAVIGATION SYSTEM AND DISPLAYING METHOD THEREOF - Disclosed is a navigation system and displaying method thereof, which controls the level of protrusion for each piece of indication data displayed on a 3-D screen of the navigation system based on its criticality so as to maximize the legibility of the driver. More specifically, the navigation system includes a GPS receiving member which receives GPS location information, a map data storage member which stores map data including a plurality of indication data, a controlling member which requests a display scope of the map data, corresponding to the received GPS location information, and at least one set of indication data within the display scope, and 3-D data-processes said indication data so that it can be displayed so that the most important data is protruding the most to the driver, and a display member which displays the map data containing the 3-D data-processed indication data. | 05-16-2013 |
20130154962 | METHOD AND APPARATUS FOR CONTROLLING DETAILED INFORMATION DISPLAY FOR SELECTED AREA USING DYNAMIC TOUCH INTERACTION - A method and apparatus configured to control the level of detailed information displayed for a selected area using a dynamic touch interaction in a mobile terminal including a touch screen, are provided. The apparatus include a memory that stores contents to be output through the touch screen as data, a touch interaction module that analyzes a user's touch input through the touch screen and recognizes a stipulated touch interaction, and a control unit that controls an overall operation of the apparatus according to the user's input through the touch screen. The control unit also controls the level of subordinate detailed information displayed in an area, which is designated by the user through a stipulated touch input, to be displayed when the stipulated touch input is recognized through the touch interaction module, based on the data stored in the memory. | 06-20-2013 |
Sung-Tae Choi, Geoje-Si KR
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20160083061 | CANISTER TYPE THRUSTER AND INSTALLATION METHOD THEREOF - Disclosed are a canister type thruster for implementing smooth upward/downward movement and improving productivity and an installation method thereof The canister type thruster includes a guide module for guiding upward/downward movement of a canister. The guide module includes a guide unit that is installed on an inner surface of a trunk so as to support a rack installed on an outer surface of the canister in parallel with a lifting direction to guide the upward/downward movement of the canister; a sliding pad that relieves an impact or a friction applied to the guide unit; and a support protrusion that is provided between the guide unit and the sliding pad to support the sliding pad. | 03-24-2016 |
Sung-Tae Choi, Gyeonggi-Do KR
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20150195027 | METHOD AND APPARATUS FOR TRANSCEIVING FOR BEAM FORMING IN WIRELESS COMMUNICATION SYSTEM - An electronic device for beamforming and a method thereof in a wireless communication system are provided. The electronic device includes a plurality of antennas. The electronic device also includes a plurality of transmitter and receiver switches connected to the antennas and configured to select a plurality of transmission paths and a plurality of reception paths. The electronic device further includes a plurality of first Phase Shifters (P/Ss) configured to shift a phase of Radio Frequency (RF) signals received via the antennas and the transmitter and receiver switches. The electronic device includes a combiner configured to combine the phase-shifted RF signals to one RF signal. The electronic device also includes a quadrature signal generator configured to generate a quadrature signal. The electronic device further includes a down-mixer configured to convert the quadrature signal and the combined RF signal to a first baseband signal and configured to output the first baseband signal to a modem. The electronic device includes a controller configured to control the transmitter and receiver switches, the first P/Ss, and a plurality of second P/Ss to determine a transmission or reception mode of the transmitter and receiver switches, and the phase of the RF signals transmitted and received. | 07-09-2015 |
Sung-Tae Kim, Daejeon-City KR
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20110260714 | INDUCTIVE ANGLE SENSOR WITH IMPROVED COMMON MODE NOISE REJECTION AND SIGNAL PROCESSING METHOD OF THE SAME - The present invention provides an inductive angle sensor with improved common mode noise rejection and a signal processing method of the same, which can improve electromagnetic compatibility (EMC) characteristics and obtain an accurate output value by eliminating common mode noise. The signal processing method includes adding signals obtained from a pair of receiver coils by an adder, subtracting the signal obtained from one of the pair of receiver coils from the signal obtained from the other receiver coil by a subtracter, multiplying the value obtained from the adder by the value obtained from the subtracter by a first multiplier, multiplying the value obtained from the subtracter by itself by a second multiplier, and dividing the value obtained from the first multiplier by the value obtained from the second multiplier by a divider. | 10-27-2011 |
Sung-Tae Ko, Chungcheongnam-Do KR
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20100310940 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES WITH HIGH SAFETY, METHOD OF PREPARING THE SAME AND LITHIUM SECONDARY BATTERIES COMPRISING THE SAME - A cathode active material for a lithium secondary battery includes a lithium metal oxide secondary particle core formed by agglomerating lithium metal oxide primary particles; and a shell formed by coating the secondary particle core with barium titanate and metal oxide. This cathode active material allows making a lithium secondary battery having improved safety, particularly in thermal stability and overcharging characteristics. | 12-09-2010 |
20140087233 | LITHIUM SECONDARY BATTERY - The present invention relates to a lithium secondary battery. More specifically, according to embodiments of the present invention the lithium battery, which includes a cathode, an anode, and a separate membrane inserted between the cathode and the anode, is characterized in that the separator membrane is a polyolefin porous membrane which has an aramid coating layer; and the cathode includes a lithium metal oxide cathode active material which has an olivine-type iron phosphate lithium coating layer, or the anode includes a carbon anode active material which has a spinel-type lithium titanium oxide coating layer. The lithium secondary battery in accordance with embodiments of the present invention has excellent basic electric performance and improved stability. | 03-27-2014 |
20140370358 | HIGH HEAT RESISTANCE COMPOSITE SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME - Disclosed is a high heat resistance composite separator including a porous substrate having a plurality of pores, an inorganic coating layer formed on one surface of the porous substrate, the inorganic coating layer including a plurality of inorganic particles and a binder polymer disposed on a portion or all of surfaces of the inorganic particles to connect and bind the inorganic particles, and a high heat resistance polymer coating layer formed on the other surface of the porous substrate, the high heat resistance polymer coating layer including a high heat resistance polymer and inorganic particles dispersed in the high heat resistance polymer. | 12-18-2014 |
Sung-Tae Ko, Nonsan KR
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20110052991 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, METHOD FOR PREPARING THE SAME, AND LITHIUM SECONDARY BATTERIES COMPRISING THE SAME - Disclosed are a cathode active material for lithium secondary batteries, a method for preparing the same, and lithium secondary batteries comprising the same. The cathode active material for lithium secondary batteries comprises a lithium metal oxide secondary particle core formed by aggregation of a plurality of lithium metal oxide primary particles; a first shell formed by coating the surface of the secondary particle core with a plurality of barium titanate particles and a plurality of metal oxide particles; and a second shell formed by coating the surface of the first shell with a plurality of olivine-type lithium iron phosphate oxide particles and a plurality of conductive material particles. The cathode active material for lithium secondary batteries allows manufacture of lithium secondary batteries having excellent thermal stability, high-temperature durability and overcharge safety. | 03-03-2011 |
20120135303 | CORE-SHELL TYPE ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING THE SAME AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention relates to a core-shell type anode active material for a lithium secondary battery, a method of preparing the same, and a lithium secondary battery comprising the same. The anode active material for a lithium secondary battery according to the present invention comprises a carbon based material core portion; and a shell portion formed outside of the carbon based material core portion by coating the carbon based material core portion with a spinel-type lithium titanium oxide. The anode active material for a lithium secondary battery according to the present invention has the metal oxide shell portion, and thus has the improved conductivity, a high output density, and consequently excellent electrical characteristics. | 05-31-2012 |
Sung-Tae Ko, Gyeryong Chungcheongnam-Do KR
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20120225344 | SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a separator for a lithium secondary battery and a lithium secondary battery comprising the same. The separator may include a thermoplastic polyolefin-based polymer porous sheet and an aramid-based non-woven fabric sheet stacked on at least one surface of the polyolefin-based polymer porous sheet, wherein the polyolefin-based polymer sheet and the aramid-based non-woven fabric sheet are adhered with an adhesive, and the adhesive loses an adhesive performance at 80° C. or more to separate the two sheets. The separator has a shut-down function and excellent high-temperature shape stability. | 09-06-2012 |
Sung-Tae Park, Geumjeong-Gu Busan KR
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20110278425 | VIBRATION ISOLATION SYSTEM WITH A UNIQUE LOW VIBRATION FREQUENCY - A vibration isolation system is provided. The vibration isolation system includes a negative stiffness device which is additionally installed in the vibration isolation system which includes a main spring which is connected between a first object (mass) and a second object (a support) to isolate vibrations transmitted between the first and second objects due to a relative motion between the first and second objects. The negative stiffness device is disposed parallel with a main spring installed between the first and second objects to be installed in a direction which forms a right angle with directions of the relative motions of the first and second objects. Therefore, the negative stiffness device maintains stiffness of the main spring and lowers a change rate of potential energy of the vibration isolation system with respect to a displacement of the vibration isolation system, thereby increasing a vibration isolation effect. Since the negative stiffness device includes a linear auxiliary spring and a link, a structure of the negative stiffness device is simplified to be easily installed in the vibration isolation system and to be manufactured at very low cost. A natural frequency of the vibration isolation system is maintained at a lowest value (between 0 Hz and 1 Hz) to effectively isolate shocks or vibrations transmitted to the first and second objects. Therefore, the vibration isolation system provides a stable and comfortable feeling to a driver or a passenger of a vehicle or maintains a detailed precision degree of a machine system. | 11-17-2011 |
Sung-Tae Ryu, Suwon-Si KR
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20150193464 | MICRO-JOURNALING FOR FILE SYSTEM BASED ON NON-VOLATILE MEMORY - Provided is a micro-journaling for a file system based on a non-volatile memory. A system includes a central processing unit (CPU), a main memory realized in a non-volatile memory, and a storage device. The file system resides in the non-volatile main memory, and micro-journaling is performed. The micro-journaling includes a commit operation for flushing data of a CPU cache to a user space, and a checkpoint operation performed per page unit while a file write operation is performed through a system call. Since the non-volatile main memory is capable of permanently storing data, a data double duplication process for reliability of the file system may be removed, and the file system is recovered from a sudden power-off of the system by using the micro-journaling for recording logging information while the file write operation is performed and checking a point. | 07-09-2015 |
Sung-Tae Shin, Gyeonggi-Do KR
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20110079782 | DISPLAY SUBSTRATE, METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE, AND DISPLAY DEVICE HAVING THE DISPLAY SUBSTRATE - A display substrate includes a base substrate, a first dielectric layer, a first lattice pattern, a second lattice pattern, and a second dielectric layer. The first lattice pattern is disposed on the first dielectric layer at a first color pixel region. The first lattice pattern includes a plurality of first nano metal wires. The second lattice pattern is disposed on the first dielectric layer at a second color pixel region. The second lattice pattern includes a plurality of second nano metal wires. The second nano metal wires have different dimensions from the first nano metal wires. The second dielectric layer covers the first nano metal wires and the second nano metal wires. | 04-07-2011 |
Sung-Tae Shin, Suwon-Si KR
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20140152724 | DISPLAY APPARATUS AND METHOD OF DRIVING THE SAME - A display apparatus includes a display panel including a first subpixel having a first primary color, a second subpixel having a second primary color; and a transparent subpixel; a panel driver which sets grayscale data of the first subpixel, the second subpixel and the transparent subpixel; a light source part which provides light to the display panel, where the light source comprises a first light source and a second light source having colors different from each other; and a light source driver which turns on the first light source during a first subframe, turns on the second light source during a second subframe, and turns on the first light source during a third subframe, and a first frame comprises the first subframe, the second subframe and the third subframe. | 06-05-2014 |
Sung-Tae Yoon, Seoul KR
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20150044316 | METHOD FOR PREPARING A PURIFIED EXTRACT OF LONICERA JAPONICA THUNBERG AND THE COMPOSITION COMPRISING THE SAME FOR PREVENTING AND TREATING SEPSIS AND SEPTIC SHOCK - The present invention relates to a method for preparing a purified extract of | 02-12-2015 |
20150157802 | SYRINGE DEVICE FOR SKIN TREATMENT - A syringe device for skin treatment is provided, which includes a syringe for injecting a drug into a skin through a needled at an end, a syringe seat connected with a cylinder of the syringe receiving the drug therein to allow a reciprocation of the cylinder within a limited range according to a direction of injecting the drug, a mount formed on the syringe seat and to which the cylinder of the syringe is fixed, an injector mounted on one side of the syringe seat to be rotated by a driving force to move in association with movement of the syringe seat to move a rod of the cylinder toward a needle, and a controller mounted on one sides of the syringe seat and the injector to operate the injector when the needle is in contact with the skin and the syringe seat is moved to one end within a limited range, and stop the injector when the needle is apart from the skin and the syringe seat is moved to opposite end within the limited range. Accordingly, waste of drug can be avoided, because the syringe seat to allow reciprocation of the syringe cylinder and the controller ensure that the rod of the cylinder for injecting drug is moved by an appropriate distance. | 06-11-2015 |