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Hong-Seok

Hong Seok Chang, Seoul KR

Patent application numberDescriptionPublished
20120120741NONVOLATILE MEMORY DEVICE, READ METHOD FOR NONVOLATILE MEMORY DEVICE, AND MEMORY SYSTEM INCORPORATING NONVOLATILE MEMORY DEVICE - A method of performing a read operation on nonvolatile memory device comprises receiving a read command, receiving addresses, detecting a transition of a read enable signal, generating a strobe signal based on the transition of the read enable signal, reading data corresponding to the received addresses, and outputting the read data after the strobe signal is toggled a predetermined number of times.05-17-2012

Hong Seok Choi, Yongin-Si KR

Patent application numberDescriptionPublished
20100117592HYBRID BATTERY PACK AND METHODS OF CHARGING AND DISCHARGING THE SAME - A hybrid battery pack and methods of charging and discharging the same make it possible to manage at least two power sources by one circuit. The hybrid battery pack includes a first power source having a first switching circuit, a second power source connected to the first power source in parallel and having a second switching circuit, a current sensor serially connected to the first and second power sources to sense the currents of the first and second power sources, and a controller to obtain the voltages of the first and second power sources so that the first and second power sources are not over-charged or over-discharged and to calculate the entire capacity of the first and second power sources using the amount of currents obtained by the current sensor.05-13-2010

Hong Seok Jang, Seoul KR

Patent application numberDescriptionPublished
20090190723CALIBRATION PHANTOM FOR QUALITY ASSURANCE OF IMAGE-BASED RADIOTHERAPY APPARATUS - A calibration phantom for quality assurance of an image-based radiotherapy apparatus The calibration phantom includes a body comprising a cylindrical acryl member having a predetermined diameter, the body having a center hole at a center axis thereof and a plurality of through-holes in outer circumferential portions thereof at a predetermined interval from the center hole; round stick-type density bars inserted into corresponding through-holes of the body and made of materials each with different densities; an acrylic cover detachably coupled with both ends of the body and having the same diameter as the body; and a plurality of bolts closely fastening the body with the cover by extending through the cover and the body and coupling with the nuts and each made of different materials. The cross-sectional shapes of the density bars and bolts appear on the image scanned by the CT apparatus and the radiotherapy apparatus.07-30-2009

Hong Seok Kang, Seoul KR

Patent application numberDescriptionPublished
20100228994SECURITY METHOD OF KEYBOARD INPUT DIRECTLY CONTROLLING THE KEYBOARD CONTROLLER - Disclosed herein is a method of securing keyboard input information by directly controlling a keyboard controller of a keyboard. The keyboard includes the keyboard controller, an interrupt controller, an input information processing module and a keyboard security module. The method includes a status information checking step of enabling the input information processing module to check status information of the keyboard controller; an interrupt inactivation step of inactivating an interrupt request function of the keyboard controller; an input information encryption step of encrypting the keyboard input information written to the keyboard input/output ports; a transfer step of transferring the encrypted input information to the keyboard security module; and an input information deletion step of deleting the keyboard input information remaining in the keyboard controller.09-09-2010

Hong Seok Lee, Incheon KR

Patent application numberDescriptionPublished
20120127309OBJECT RECOGNITION SYSTEM, AND OBSTACLE RECOGNITION SYSTEM AND METHOD FOR VEHICLE - Provided is an object recognition system. The object recognition system recognizes an object in an ROI of a source image. The object recognition system includes an image change unit and an ROI detection unit. The image change unit receives the source image, and changes the object into an edge image which is represented as an edge line. The ROI detection unit divides the edge image into a plurality of regions, compares a total sum of edge component values of an edge line included in each of the regions and a predetermined threshold value by regions, and detects a region, in which the total sum of edge component values is greater than the threshold value, as the ROI from among the plurality of regions.05-24-2012

Hong Seok Seo, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20110026644Method for processing received signal by applying channel status information based on orthogonal frequency division multiplexing - Provided is a method for processing received signal by applying channel status information based on OFDM. The method applies CSI to a soft-decided signal and thus can more enhance performance than a method applied to a typical decoder even without using an additional memory and the increase of a clock speed. The method appropriately perform adjustment suitable for a soft-decided and received signal in applying pre-estimated CSI to a decoder, thereby more enhancing performance and enabling adaptive application based on the change of a channel status. The method includes performing a first operation of calculating a new second Channel Status Information (CSI) value CSI02-03-2011

Hong Seok Song, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090153097Battery charging apparatus - The present invention provides a battery charging apparatus with reduced weight, volume and manufacturing cost. The apparatus includes: an alternating current power source including a first electrode and a second electrode and supplying an alternating voltage for charging the battery; a diode including an anode electrode connected to the battery and a cathode electrode connected to the second electrode and half-wave rectifying the alternating voltage applied from the alternating current power source; a three-phase motor connected to the first electrode and transmitting to the battery the half-wave rectified voltage applied from the diode and the alternating current power source; and an inverter connected between the three-phase motor and the battery and converting the voltage applied from the three-phase motor into a direct voltage to transmit the direct voltage to the battery. Alternatively, the apparatus may comprise an alternating current power source, an inverter, a three-phase motor and a switching unit.06-18-2009
20110118917METHOD FOR CONTROLLING COOLING OF POWER CONVERTER FOR HYBRID ELECTRIC VEHICLE - A method for controlling a cooling system for controlling a power converter of a hybrid electric vehicle includes: estimating the temperature of a power converter at the time of a CAN communication error as a current temperature of the power converter and controlling a cooling system at a cooling rate based on the estimated temperature; and controlling the cooling rate of the cooling system depending on whether an output of the power converter is greater than a reference value. According to the method, the cooling system can be more effectively controlled.05-19-2011

Hong Seok Song, Seongnam KR

Patent application numberDescriptionPublished
20110133547MOTOR DRIVE SYSTEM FOR HYBRID VEHICLE AND METHOD FOR CONTROLLING THE SAME IN THE EVENT OF FAILURE - The present invention provides a motor drive system for a hybrid vehicle and a method for controlling the same in the event of a failure in a voltage converter, in which high voltage stored in a DC-link capacitor is discharged to a 06-09-2011
20110133549MOTOR DRIVE SYSTEM FOR HYBRID VEHICLE AND METHOD FOR CONTROLLING THE SAME - The present invention provides a motor drive system for a hybrid vehicle and a method for controlling the same, which can prevent a counter electromotive force generated from a motor during turn-off of a main relay from being applied to non-powertrain components such as a DC converter and an electric air conditioner inverter, thus protecting the non-powertrain components and preventing the occurrence of failure.06-09-2011
20110133694METHOD FOR CONTROLLING CHARGING VOLTAGE OF 12V AUXILIARY BATTERY FOR HYBRID VEHICLE - The present invention provides a method for controlling a charging voltage of a 12V auxiliary battery for a hybrid vehicle, which can (1) improve charging efficiency of an auxiliary battery by increasing the output voltage of a DC-DC converter during cold start when the outside air temperature is low, (2) improve the charging efficiency of the auxiliary battery by increasing or decreasing the output power of the DC-DC converter according to the state of charge of the auxiliary battery and by increasing the output voltage of the DC-DC converter when many electrical loads are turned on, and (3) allow the DC-DC converter to provide continuous power supply for charging the auxiliary battery by turning on a main switch disposed between a high voltage battery and the DC-DC converter based on a reverse power conversion operation of the DC-DC converter even in the case where the voltage of the auxiliary battery falls below 9V.06-09-2011
20110304948CAPACITOR FOR INVERTER OF VEHICLE - The present invention provides a capacitor for an inverter of a vehicle comprising a case; a plurality of capacitor unit modules; positive and negative bus plates that are disposed in the case to be connected to the capacitor unit modules; and a power module corresponding to the unit modules, wherein that the unit modules are insulated from each other through an insulating material, and wherein the bus plates each comprise a bus bar that overlaps with the other bus bar and is electrically connected to the power module.12-15-2011
20120007551RECHARGING SYSTEM OF HYBRID VEHICLE - A system for recharging a hybrid vehicle is provided with two motors and supplies commercial electricity to neutral points of the motors when a connection of a recharging stand is detected, forms an electricity loop through the neutral points of the first motor and the second motor according to a phase of the commercial electricity, and carries out a recharging mode by detecting at least a voltage of a DC link capacitor in a voltage converter, a voltage of a smoothing capacitor, and a battery voltage. According to the system, a current control value or a voltage control value is selected according to the recharging mode in order to recharge a battery based on the current control value or the voltage control value.01-12-2012
20120007552SYSTEM FOR RECHARGING PLUG-IN HYBRID VEHICLE - A system for recharging a battery in a hybrid vehicle provided with two motor is provided. If connection of a recharging connector (recharging stand) is detected, an initial activation of a controller is performed, and a DC link is pre-recharged. If the DC link is pre-recharged to a voltage higher than or equal to a predetermined voltage, an exterior AC or DC electricity is supplied to the battery so as to recharge the battery according to the present invention.01-12-2012

Hong Seok Song, Gunpo KR

Patent application numberDescriptionPublished
20110159304ANTI-SULPHATE REDUCING BACTERIA COMPOSITION COMPRISING 1,2-BENZISOTHIAZOL-3(2H)-ONE, IRGASAN, BENZYL-2-BROMOACETATE, 2,2-DIBROMO-2-CYANOACETAMIDE, AND 2-BROMO-2-NITROPROPAN-1,3-DIOL - Disclosed are a composition for inhibiting a proliferation of sulphate reducing bacteria comprising at least one of 1,2-benzisothiazol-3(2H)-one, irgasan, benzyl-2-bromoacetate, 2,2-dibromo-2-cyanoacetamide, and 2-bromo-2-nitropropan-1,3-diol as effective ingredients; a method for inhibiting the proliferation of sulphate reducing bacteria comprising the step of including a sufficient amount for inhibiting the proliferation of sulphate reducing bacteria of at least one of 1,2-benzisothiazol-3(2H)-one, irgasan, benzyl-2-bromoacetate, 2,2-dibromo-2-cyanoacetamide, and 2-bromo-2-nitropropan-1,3-diol in a corrosion sensitive material or degradation sensitive material; a sheet comprising the composition; and a steel plate to which the composition is applied.06-30-2011

Hong-Seok Choi, Changwon-City KR

Patent application numberDescriptionPublished
20100053321DIGITAL PHOTOGRAPHING APPARATUS, METHOD OF CONTROLLING THE SAME, AND RECORDING MEDIUM HAVING RECORDED THEREON COMPUTER PROGRAM TO IMPLEMENT THE METHOD - A digital photographing apparatus is provided that is capable of effectively distinguishing a background region and a motion region. Also provided is a method of controlling the digital photographing apparatus, and a recording medium having recorded thereon a computer program to implement the method. The digital photographing apparatus includes an imaging device generating data from light incident thereto, a first difference image data obtaining unit obtaining first difference image data regarding a first difference image, which represents a difference between a reference image and a current frame image, a second difference image data obtaining unit obtaining second difference image data regarding a second difference image, which represents a difference between the current frame image and a previous frame image, and a motion region determining unit determining a motion region in the current frame image, by using the first difference image data and the second difference image data.03-04-2010
20100073502DIGITAL PHOTOGRAPHING APPARATUS, TRACKING METHOD, AND RECORDING MEDIUM HAVING RECORDED THEREON A PROGRAM FOR EXECUTING THE TRACKING METHOD - A digital photographing apparatus, a tracking method, and a recording medium having recorded thereon a program for executing the tracking method are provided which effectively determine a target image as a partial image corresponding to a reference image in a frame image. The digital photographing apparatus includes: an image pickup device; a mask preparer which prepares a mask having the same size as a reference image that is smaller than a current frame image; a matching data obtainer which obtains a plurality of pieces of matching data by applying the mask to a plurality of matching images having the same size as the reference image; and a target image determiner which determines one of the matching images as a target image by using the matching data.03-25-2010

Hong-Seok Jung, Daejeon KR

Patent application numberDescriptionPublished
20090288400Exhaust Gas Purifying Device for Diesel Engine - The present invention relates to an exhaust gas purifying device for a diesel engine, which purifies efficiently Nitrogen Oxides (NOx) and Particulate Matters (PM) contained in exhaust gases of the diesel engine, particularly provides an exhaust gas purifying device disposed in an exhaust passage of a diesel engine, wherein a catalyst part for reducing Nitrogen Oxides and a filter part for removing Particulate Matter are provided sequentially from an upstream for a flow of the exhaust gas and a diesel fuel injector is mounted at a front of the Nitrogen Oxide reduction catalyst part.11-26-2009
20090306850System for monitoring DPF using wireless communication - The present invention relates to a system for monitoring DPF which can inform a point of time for regenerating the DPF to a driver. The system for monitoring DPF using wireless communication, which comprises a filter for gathering PM (Particulate Matter) and at least one or more pressure sensors and temperature sensors, comprises a monitoring part and a server system.12-10-2009
20110207979METHOD FOR PRODUCING HIGH VALUE AROMATICS AND OLEFIN FROM LIGHT CYCLE OIL PRODUCED BY A FLUIDIZED CATALYTIC CRACKING PROCESS - The present invention relates to a method of producing aromatic products (benzene/toluene/xylene) and olefin products from petroleum fractions obtained by fluid catalytic cracking, and, more particularly, to a method of producing products comprising high-concentration aromatic products and high value-added light olefin products from light cycle oil obtained by fluid catalytic cracking.08-25-2011

Hong-Seok Kwon, Suwon-Si KR

Patent application numberDescriptionPublished
20110102381APPARATUS AND METHOD FOR PORTABLE TERMINAL HAVING OBJECT DISPLAY DIAL - An apparatus and method for executing a specific function by rotating an object display dial capable of displaying at least one of a mode-based object and a function-based object are provided. The portable terminal includes a mode/function determination unit for determining a mode or function of the portable terminal, a User Interface (UI) object generation unit for generating an object corresponding to each mode or function on the object display dial, a UI object display unit for displaying the generated, a dial rotation detection unit for detecting a rotation of the object display dial, a position determining unit for determining a position of an object upon detecting the rotation of the object display dial, and an object display dial capable of displaying at least one of the mode-based object and the function-based object and including a mode/function execution unit for transitioning to a mode corresponding to an object assigned to the position or for executing the function.05-05-2011

Hong-Seok Lee, Yongin-Si KR

Patent application numberDescriptionPublished
20110109528WEARABLE DISPLAY APPARATUS - A wearable display adopting a diffractive optical system includes a light source unit to emit light of a plurality of colors having wavelength bands which do not overlap each other; a light guide plate including a light guide portion to guide light incident from the light source unit by reflection, and a plurality of light output portions protruding from a surface of the light guide portion to output the light incident from the light source via a specular reflection as a surface light source. The light incident on a panel type optical modulation device from the light guide plate is modulated according to input image signals. The light emitted from the panel type optical modulation device is diffracted by a first diffractive device to be coupled to the waveguide and propagated by the waveguide. The light transferred through the waveguide is focused by an imaging device to form an enlarged image.05-12-2011
20110235182Reflective structure, display apparatus including the reflective structure, and methods of manufacturing the reflective structure and the display apparatus - Provided are a reflective structure, a display apparatus including the reflective structure, and methods of manufacturing the reflective structure and the display apparatus. The reflective structure may include a reflective layer having a multiple uneven structure. The reflective layer may have a curved surface as a result of a plurality of first uneven portions, and wherein the curved surface may has a plurality of second uneven portions having a scale less than that of the first uneven portions. The plurality of first uneven portions may have a micro-scale size, and the plurality of second uneven portions may have a nano-scale size. The reflective layer may be arranged on a lower structure including a plurality of nanoparticles. A flexible material layer may be formed on the reflective layer.09-29-2011

Hong-Seok Seo, Yuseong-Gu KR

Patent application numberDescriptionPublished
20110134512DOUBLE CLAD FIBER LASER DEVICE - Provided is a double clad fiber device. The double clad fiber device includes a double clad fiber, a pump combiner, at least one first laser diode, and at least one second laser diode. The double clad fiber includes a core and a clad. The pump combiner provides pump light to the core and the clad through one end of the double clad fiber, respectively. The at least one first laser diode provides first pump light to the clad through the pump combiner. The at least one second laser diode provides second pump light to the core through the pump combiner.06-09-2011

Hong-Seok Seo, Ansan-Si KR

Patent application numberDescriptionPublished
20110240104SOLAR CELL CAPABLE OF RECYCLING A SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a solar cell that can recycle a substrate, and a manufacturing method thereof. The solar cell includes: i) a plurality of nano-structures distanced from each other and extended in one direction; ii) a first conductive layer covering a first end of at least one of the plurality of nano-structures; iii) a second conductive layer distanced from the first conductive layer and covering a second end of the nano-structure; and iv) a dielectric layer disposed between the first conductive layer and the second conductive layer.10-06-2011

Hong-Seok Seo, Daejone-City KR

Patent application numberDescriptionPublished
20090046353GAIN-CLAMPED OPTICAL AMPLIFYING APPARATUS USING FIBER RAMAN AMPLIFIER HAVING RAMAN CAVITY - Provided is a gain-clamped (GC) optical amplifier using a fiber Raman amplifier (FRA) having a Raman cavity. The FRA having a Raman cavity comprises a Raman fiber module (RFM) amplifying and outputting an input optical signal and a resonant cavity generating a Raman laser and a gain clamping laser (GC laser), wherein the resonant cavity is formed as a feedback loop between an input terminal and an output terminal of the RFM. Accordingly, a gain of an optical signal propagating along a core of RFM keeps a constant value regardless of input signal intensity by generating the GC laser for gain clamping between a wavelength band of the Raman laser and a gain band of input signals.02-19-2009

Hong-Seok Shin, Gyeonggi-Do KR

Patent application numberDescriptionPublished
20090196622Reconnection method in peripheral interface using visible light communication - A reconnection method and device for a peripheral interface using VLC provide a protocol for when a communication link between a primary device and a secondary device is disconnected. The primary device generates an R-XID message including reconnection information and a warning indication signal indicating the disconnection. The secondary device aligns the communication link with the primary device using the warning indication signal, receives the R-XID message from the primary device by the secondary device, and transmits an R-XID response message for the R-XID message to the primary device.08-06-2009
20110002695APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA USING VISIBLE LIGHT COMMUNICATION - Provided is an apparatus and method for transmitting and receiving data in a visible light communication system, the apparatus including a visible light communication (VLC) transceiver for converting a visible light signal received from a counterpart into an electrical signal and outputting the electrical signal, by using a light receiving device during a reception operation, and converting an electrical signal containing information into a visible light signal and transmitting the visible light signal to the counterpart, by using a light emitting device during a transmission operation, a VLC controller comprising a visible frame engine (VFE) for generating a visible frame and outputting the visible frame to the VLC transceiver, in which the VFE generates the visible frame for transmission to a counterpart during non-transmission of respective frames for communication at a sender and a receiver in order to provide visibility to a communication link, and a host controller for controlling the VLC controller and transmitting and receiving data to and from the VLC controller.01-06-2011

Hong-Seok Shin, Yongin-Si KR

Patent application numberDescriptionPublished
20100179786METHOD FOR MEASURING POSITION OF PORTABLE TERMINAL AND INDOOR ILLUMINATING APPARATUS FOR THE SAME - Provided is a method of measuring the position of a portable terminal, comprising detecting indoor illuminating light, and outputting an electric signal corresponding to the detected indoor illuminating light, obtaining a plurality of data frames from the output electrical signal, and calculating a position of the portable terminal based on information regarding the position of a corresponding reference light source included in each data frame and an identifier corresponding to the reference light source included in said each frame and a reception time of said each data frame.07-15-2010
20100209105VISIBLE LIGHT COMMUNICATION METHOD AND SYSTEM - A Visible Light Communication (VLC) method in a VLC terminal, in which the VLC terminal requests initial access to an Access Point (AP) on a selected mini-slot among a plurality of mini-slots constituting a control slot, based on control information in a frame, sends an association request to the AP on an allocated uplink time slot, if the uplink time slot allocated to correspond to the selected mini-slot exists in control information in a next frame, and transmits data at a data rate appointed to the VLC terminal included in control information in the current frame using an association Identifier (ID) included in a response received in reply to the association request and the allocated uplink time slot.08-19-2010
20110063510METHOD AND APPARATUS FOR PROVIDING ADDITIONAL INFORMATION THROUGH DISPLAY - A display device for providing additional information using Visible Light Communication (VLC), including a decoder for dividing an input signal into a video signal and a data signal including additional information on at least one object included in an image output through the video signal; a display; a VLC controller for receiving the data signal from the decoder and encoding the data signal in accordance with a VLC protocol to output the data signal as a visible light signal through the VLC; light source blocks, which include light sources, back light the display, and output the data signal encoded in accordance with the VLC; and a control unit for controlling the encoded data signal including the additional information on the object, to be output as the visible light signal through a light source block at a position corresponding to the object from among the light source blocks.03-17-2011
20110072174APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA IN ONE-TO-ONE COMMUNICATION - An apparatus and method for transmitting and receiving data in one-to-one communication are provided. A first buffer for temporarily storing file data and a second buffer for temporarily storing message data are connected to a data transmitter for transmitting data and a data receiver for receiving data, respectively or vice versa, according to a request for data transmission or reception. The buffer for storing file data and the buffer for storing message data are differently constructed, thereby reducing the waste of memories of the buffers and achieving the miniaturization and high-speed data transmission of a portable terminal device.03-24-2011
20110153201INDOOR NAVIGATION METHOD AND SYSTEM USING ILLUMINATION LAMPS - A method and apparatus for performing a navigation service in a mobile terminal is provided. Map information and an IDentification (ID) of an information spot, which is connected to a map server, are received from the information spot. A current position is determined. The map information and the current position are displayed A destination input by a user is received. An optimal path from the current position to the destination is calculated and displayed by using the map information. When the mobile terminal receives an ID of a general spot from the general spot, a current position of the mobile terminal is re-determined. When the re-determined current position is on the optimal path, the optimal path is updated and the updated optimal path from the re-determined current position to the destination is displayed.06-23-2011
20110170872APPARATUS AND METHOD FOR PROVIDING SYNCHRONIZED DATA BY USING VISIBLE LIGHT COMMUNICATION - An apparatus and a method for providing synchronized data by using visible light communication includes, receiving a synchronization channel from a mobile communication base station using a specific mobile communication network, by a Light Emitting Diode (LED) lighting; analyzing the received synchronization channel, and extracting a synchronization signal for synchronizing the LED lighting with at least one LED lighting adjacent to the LED lighting; selecting a specific time slot of the synchronization signal based on IDentifications (IDs) of the LED lightings; and including a data frame of the LED lighting in the specific time slot, and transmitting the specific time slot, which includes the data frame of the LED lighting, to a mobile terminal.07-14-2011
20110176803SYSTEM AND METHOD FOR INDOOR POSITIONING USING LED LIGHTING - A system for performing indoor positioning using a Light Emitting Diode (LED) lighting unit is provided. The system includes the LED lighting unit for determining whether transmission packet data exists in a frame to be transmitted, modulating the transmission packet data in accordance with a predetermined method in order to maintain a uniform brightness of the LED lighting unit when the transmission packet data exists, and transmitting the frame including the modulated transmission packet data. The system also includes a mobile terminal for receiving the frame, demodulating the modulated transmission packet data to determine the transmission packet data, and performing indoor positioning by using the demodulated transmission packet data and information included in the frame.07-21-2011