Kwak
Bong Yol Kwak, Tokyo JP
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20080229906 | ELECTRIC STRINGED MUSIC INSTRUMENT WITH MUSIC TUNER - A music tuner comprising a contact sensing device, a non-contact sensing device, or a combination of both, is integrated onto the body of an electric stringed music instrument. The present invention aims to make it more convenient for the user of the electric ukulele by eliminating the need to separately account for the music tuner and by preventing the music tuner from being misplaced or lost. | 09-25-2008 |
Bu Ho Kwak, Yongin KR
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20120088179 | METHOD OF CLAMPING FUEL CELL STACK - A method of clamping a fuel cell stack includes a stack preliminary clamping step, a stack pre-treatment step of performing a gas flow rate variation cycle or a clamping pressure variation cycle, wherein the gas flow rate variation cycle repeatedly changes a flow rate of a gas supplied to an anode and a cathode included in the preliminarily clamped stack, and wherein the clamping pressure variation cycle repeatedly increases and decreases the clamping pressure by pressurization and pressure release of the preliminarily clamped stack using the pressure tool, and a stack main clamping step of correcting a variation in clamping pressure occurring due to a variation in thickness of a gas diffusion layer to mainly clamp the stack after the stack pre-treatment step. | 04-12-2012 |
Bu Ho Kwak, Gyungbuk KR
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20120070762 | STACK FOR A SOLID OXIDE FUEL CELL USING A FLAT TUBULAR STRUCTURE - The preset invention relates to a solid oxide fuel cell stack capable of producing electricity, in which unit cell modules are connected in series and in parallel, and to a manufacturing method thereof. The solid oxide fuel cell stack is manufactured by: making a unit cell module comprising at least one unit cell formed on the outer surfaces of a flat tubular support, a first electrical interconnector formed on the front end of the support and at least a portion of the outer surfaces so as to be connected to a first electrode of the unit cell, and a second electrical interconnector formed on the rear end of the support and at least a portion of the outer surfaces so as to be connected to a second electrode of the unit cell; and stacking the unit cell modules such that the electrical interconnectors come into contact with each other. | 03-22-2012 |
Byung-Kwan Kwak, Tongin-Si KR
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20120173244 | APPARATUS AND METHOD FOR VOICE COMMAND RECOGNITION BASED ON A COMBINATION OF DIALOG MODELS - Provided are a voice command recognition apparatus and method capable of figuring out the intention of a voice command input through a voice dialog interface, by combining a rule based dialog model and a statistical dialog model rule. The voice command recognition apparatus includes a command intention determining unit configured to correct an error in recognizing a voice command of a user, and an application processing unit configured to check whether the final command intention determined in the command intention determining unit comprises the input factors for execution of an application. | 07-05-2012 |
Chang Hoon Kwak, Hwasung KR
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20120274240 | WHITE LIGHT EMITTING DEVICE, DISPLAY APPARATUS AND ILLUMINATION APPARATUS - There is provided a white light emitting device including: a blue LED emitting blue light; a red phosphor excited by the blue light, emitting red light, and including a nitrogen (N)-containing compound; a yellow phosphor excited by the blue light and emitting yellow light; a first green phosphor excited by the blue light, emitting first green light having a first full width half maximum, and including a nitrogen (N)-containing compound; and a second green phosphor excited by the blue light and emitting second green light having a second full width half maximum larger than the first full width half maximum of the first green phosphor. | 11-01-2012 |
Dae Wook Kwak, Gyeongsangnam-Do KR
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20120056518 | WASHING MACHINE - A laundry machine ( | 03-08-2012 |
20120060565 | WASHING MACHINE - A washing machine is disclosed. A washing machine includes a cabinet configured to define an exterior appearance thereof; a tub installed in the cabinet to hold wash water therein; a drum rotatably installed in the tub to accommodate laundry therein; at least one venting portion provided in an upper portion of the tub to communicate with an outside of the tub; and a ventilation part ( | 03-15-2012 |
Dongheon Kwak, Gwangju KR
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20120143442 | AUTOMATIC FULL-TURN CONTROL METHOD FOR MDPS - An automatic full-turn control method for MDPS includes determining if automatic Full-Turn conditions for the MDPS are satisfied, full turning the MDPS when the automatic Full-Turn conditions for the MDPS are satisfied, determining if automatic Full-Turn releasing conditions for the MDPS are satisfied and releasing the Full-Turn of the MDPS when the releasing conditions for the MDPS are satisfied. | 06-07-2012 |
Dong Ho Kwak, Hwaseong-Si KR
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20120082139 | DISTRIBUTED MEDIUM ACCESS SCHEDULING WITH IMPLICIT ORDERING - Provided is distributed medium access scheduling with implicit ordering (DSIO). The DISO includes the steps of: (a) when any terminal of a plurality of terminals included in a terminal group has data to transmit, promoting the terminal to a transmission data existence layer; (b) when any blue terminal of a plurality of blue terminals included in a blue terminal group has no data to transmit, degrading the blue terminal to a transmission data non-existence layer; and (c) when any red terminal of a plurality of red terminals included in a red terminal group succeeds in intruding between the blue terminals and recognizes whether or not to transmit data without a collision, promoting the red terminal to the blue terminal group. | 04-05-2012 |
20140321288 | WIRELESS COMMUNICATION SYSTEM AND TRAFFIC CONTROL METHOD THEREOF - A data traffic control method and system is provided for controlling data transmission amount efficiently in a Long Term Evolution (LTE) system. The traffic control method of the present invention includes monitoring to detect overload of traffic by checking radio resource usage periodically; checking, when traffic overload is detected, a non-controlled packet ratio; and determining whether to control the traffic depending on the non-controlled packet ratio. | 10-30-2014 |
Dong-Hun Kwak, Hwaseong-Si KR
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20120170364 | Method Of Programming A Nonvolatile Memory Device - In method of programming a nonvolatile memory device including a plurality of multi-level cells that store multi-bit data according to example embodiments, a least significant bit (LSB) program operation is performed to program LSBs of the multi-bit data in the plurality of multi-level cells. A most significant bit (MSB) program operation is performed to program MSBs of the multi-bit data in the plurality of multi-level cells. To perform the MSB program, an MSB pre-program operation is performed on first multi-level cells, from among the plurality of multi-level cells, that are to be programmed to a highest target program state among a plurality of target program states, and an MSB main program operation is performed to program the plurality of multi-level cells to the plurality of target program states corresponding to the multi-bit data. | 07-05-2012 |
20130088928 | MEMORY SYSTEM COMPRISING NON-VOLATILE MEMORY DEVICE AND RELATED METHOD OF OPERATION - A nonvolatile memory device comprises a first memory region and a second memory region. The nonvolatile memory device is programmed by storing program data in the first memory region, performing coarse programming and fine programming to store the program data in the second memory region, and in response to a read request, accessing the program data from the first memory region or the second memory region according to a fine program flag indicating whether the coarse programming has been completed. | 04-11-2013 |
20130100737 | NONVOLATILE MEMORY DEVICE AND RELATED METHOD OF OPERATION - A nonvolatile memory comprises a memory block having memory cells stacked in a three dimensional structure. The nonvolatile memory device performs an erase operation to erase a selected sub block among sub blocks of the memory block, a verification operation to determine whether program states of memory cells of an unselected sub block of the memory block have changed as a consequence of the erase operation, and a reprogramming operation to reprogram at least a portion of the unselected sub block upon determining that at least one of the program states have changed as a consequence of the erase operation. | 04-25-2013 |
20130107653 | NONVOLATILE MEMORY HAVING STACKED STRUCTURE AND RELATED METHOD OF OPERATION | 05-02-2013 |
20130138869 | NONVOLATILE MEMORY AND MEMORY DEVICE INCLUDING THE SAME - A nonvolatile memory has a first memory block including a plurality of sub memory blocks stacked in a direction perpendicular to a substrate, and a second memory block including a plurality of sub memory blocks stacked in a direction perpendicular to the substrate, the second memory block being parallel to the first memory block. Management data unchanged after it is programmed once is stored in at least one sub memory block of the first memory block and main data is stored in sub memory blocks of the second memory block. Meta data may be stored in a sub memory block of the first memory block of in any memory block that does not contain the management data. | 05-30-2013 |
20140047167 | NONVOLATILE MEMORY DEVICE AND METHOD OF CONTROLLING SUSPENSION OF COMMAND EXECUTION OF THE SAME - A nonvolatile memory device includes a memory cell array, a row decoder, a page buffer, and control logic. The memory cell array includes memory cells connected to word lines and bit lines, the memory cell array being configured to store data. The row decoder is configured to selectively activate a string selection line, a ground selection line, and the word lines of the memory cell array. The page buffer is configured to temporarily store external data and to apply a predetermined voltage to the bit lines according to the stored data during a program operation, and to sense data stored in selected memory cells using the bit lines during a read operation or a verification operation. The control logic is configured to control the row decoder and the page buffer. During execution of commands, when a request to suspend the execution of the commands is retrieved, chip information is backed up to a storage space separate from the control logic. | 02-13-2014 |
20140104955 | PROGRAMMING NONVOLATILE MEMORY DEVICE USING PROGRAM VOLTAGE WITH VARIABLE OFFSET - A method of programming a nonvolatile memory device comprises applying at least one test program pulse to selected memory cells located in a scan read area, performing a scan read operation on the selected memory cells following application of the at least one test program pulse to detect at least one one-shot upper cell, calculating an offset voltage corresponding to a scan read region at which the scan read operation is performed, setting a program start bias using the offset voltage, and executing at least one program loop using the program start bias. | 04-17-2014 |
20140247657 | METHOD OF PROGRAMMING A NONVOLATILE MEMORY DEVICE - In method of programming a nonvolatile memory device including a plurality of multi-level cells that store multi-bit data according to example embodiments, a least significant bit (LSB) program operation is performed to program LSBs of the multi-bit data in the plurality of multi-level cells. A most significant bit (MSB) program operation is performed to program MSBs of the multi-bit data in the plurality of multi-level cells. To perform the MSB program, an MSB pre-program operation is performed on first multi-level cells, from among the plurality of multi-level cells, that are to be programmed to a highest target program state among a plurality of target program states, and an MSB main program operation is performed to program the plurality of multi-level cells to the plurality of target program states corresponding to the multi-bit data. | 09-04-2014 |
20150049548 | Read Methods for Non-Volatile Memory Devices and Related Non-Volatile Memory Devices - Read methods for a non-volatile memory device are provided. The read method includes sensing memory cells in an Nth program state using original read voltages of an Nth level, where N is a natural number greater than 2, counting the number of memory cells in the Nth program state according to the sensing result, and when the number of memory cells in the Nth program state is greater than a reference number, sensing memory cells in first to Nth program states using adjusted read voltages of first to Nth levels. The adjusted read voltages are obtained by adding offset voltages to the original read voltages. | 02-19-2015 |
Dong-Jin Kwak, Gyeongbuk KR
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20130033027 | POLYESTER FABRIC AND PREPARATION METHOD FOR THE SAME - The present invention relates to an airbag fabric comprising a polyester fiber, and more particularly to a polyester fabric having a thermal resistance constant (X) of 1.0 to 6.5 in the uncoated fabric state, a preparation method for the same, and an airbag for vehicle comprising the same. | 02-07-2013 |
20130040522 | POLYESTER FIBER AND PREPARATION METHOD FOR THE SAME - The present invention relates to a polyester fiber applicable to an airbag fabric, and more particularly to a polyester fiber, a preparation method for the polyester fiber, and an airbag fabric prepared from the polyester fiber, where the polyester fiber has an elongation of 0.8 to 2.0% under a tensile strength of 1.0 g/d at the room temperature, and an additional elongation of 1.5 to 5% under a tensile strength of 8.8 g/d to the maximum. | 02-14-2013 |
20130106081 | POLYESTER FABRICS FOR AIRBAG AND PREPARATION METHOD THEREOF | 05-02-2013 |
Dong-Jin Kwak, Gumi KR
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20120280480 | AIRBAG CUSHION AND AN AIRBAG SYSTEM INCLUDING THE SAME - The present invention relates to an airbag cushion and an airbag system including the same, and particularly to an airbag cushion, including: at least one fabric; and seam parts connecting the fabric, wherein deviation of upper seam thread length per a unit length of the fabric between the first seam part sewed in forward direction and the second seam part sewed in reverse direction in the seam parts is 15% or less, a method of preparing the same, and an airbag system including the same. | 11-08-2012 |
Dong-Jin Kwak, Gumi-Si KR
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20130187367 | POLYESTER YARN AND A PRODUCTION METHOD THEREFOR - Disclosed is a polyester yarn, wherein a room-temperature strength-elongation index (X | 07-25-2013 |
20130224468 | POLYESTER FIBER AND METHOD FOR PREPARING THE SAME - This disclosure relates to polyester fiber that can be used for an airbag fabric. Particularly, the present invention relates to a polyester fiber that has elongation of 1.65% to 2.5% when tensile strength of 1.0 g/d is applied after heat treatment at 185° C. for 2 minutes, and additionally elongates in the range of elongation from 0.5% to 5% at the range of tensile strength from 8.0 g/d to the maximum strength. Also disclosed is a method for preparing the same, and fabric for an airbag prepared therefrom. The polyester fiber simultaneously has low initial Young's modulus and excellent mechanical properties, and thus, it may provide excellent packing, dimensional stability, and excellent air cut-off effect, and simultaneously, minimize impact applied to a passenger thus safely protecting a passenger. | 08-29-2013 |
20140021704 | POLYESTER FABRIC AND PRODUCTION METHOD THEREOF - The present invention relates to a fabric for an airbag, and a production method thereof. More particularly, the present invention relates to a polyester fabric which includes a high-strength, high-elongation and low-modulus polyester yarn to show excellent toughness and energy absorbing performance after high-humidity heat treatment for a long period of time, a production method thereof, and an airbag for an automobile including the same. | 01-23-2014 |
20140021705 | GAS-INFLATABLE DOUBLE-LAYERED FABRIC AND A PREPARATION METHOD THEREOF - The present invention relates to a double-layered fabric including separated two fabric layers which are simultaneously woven by an OPW (one piece woven) method. Specifically, the present invention relates to a gas-inflatable double-layered fabric including a double patterned weave comprised of separated top and bottom fabric layers which are simultaneously woven and have different patterns each other, a preparation method thereof, and an airbag including the same. | 01-23-2014 |
Eun-Ae Kwak, Gunpo-Si KR
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20120062527 | DISPLAY OPERABLE IN BOTH REFLECTIVE AND TRANSMISSIVE MODES - A display apparatus includes a first display panel with a plurality of first pixels, a second display panel facing the first display panel and having a plurality of second pixels, a light reflective polarizer, and a backlight unit. The light reflective polarizer is interposed between the first and second display panels to transmit light polarized in a first direction, and reflect light polarized in a second direction substantially perpendicular to the first direction. The backlight unit is arranged proximate to the second display panel to supply light to the first and second display panels. The first display panel displays an image by using reflected ambient light, and the second display panel displays an image by using light from the backlight unit. | 03-15-2012 |
20120080404 | BLOCK COPOLYMER AND METHOD OF FORMING PATTERNS BY USING THE SAME - A method of forming patterns includes forming a layer composed of a ketene based random copolymer on a substrate, forming a block copolymer on the ketene based random copolymer layer and patterning the ketene based random copolymer layer by removing a part of the block copolymer and a portion of the ketene based random copolymer layer. | 04-05-2012 |
20120273460 | RANDOM COPOLYMER FOR FORMING NEUTRAL SURFACE AND METHODS OF MANUFACTURING AND USING THE SAME - A random copolymer having a structure represented by the following Formula 1: | 11-01-2012 |
20140158664 | METHOD OF MANUFACTURING NANOSTRUCTURE AND METHOD OF FORMING PATTERN USING THE SAME - An approach is provided for manufacturing a nanostructure. A first thin film including a first block copolymer is formed on a substrate. A guide pattern is formed on the first thin film. A second thin film including a second block copolymer is formed between portions of the guide pattern. The second thin film is cured. The first block copolymer is a cylinder-type and the second block copolymer is a lamella-type. | 06-12-2014 |
Eun-Jin Kwak, Hwaseong KR
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20120114906 | PHOTOCURABLE RESIN COMPOSITION CONTAINING FLUORINE AND METHOD FOR PRODUCING A RESIN MOLD USING SAME - There are provided a fluorine-containing photocurable resin composition and a method of preparing a mold comprising the same and more particularly, a photocurable resin composition having chemical resistance, mechanical properties and high transmittance, etc. as well as being easily wetted with and released from thermosetting or photocurable resins for pattern formation regardless of additional surface treatment, as opposed to the existing polymer resin materials used for resin molds, and a method of preparing a resin mold using the same. | 05-10-2012 |
Eun Joo Kwak, Seogwipo-Si KR
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20130116213 | NOVEL FUSED PYRIMIDINE DERIVATIVES FOR INHIBITION OF TYROSINE KINASE ACTIVITY - The present invention relates to a novel fused pyrimidine derivative having an inhibitory activity for tyrosine kinases, and a pharmaceutical composition for preventing or treating cancers, tumors, inflammatory diseases, autoimmune diseases, or immunologically mediated diseases comprising same as an active ingredient. | 05-09-2013 |
20140371219 | THIENO[3,2-D]PYRIMIDINE DERIVATIVES HAVING INHIBITORY ACTIVITY FOR PROTEIN KINASES - Provided are a thieno[3,2-d]pyrimidine derivative of formula (I) or a pharmaceutically acceptable salt thereof having inhibitory activity for protein kinase, and a pharmaceutical composition comprising same for prevention and treatment of abnormal cell growth diseases. | 12-18-2014 |
20150045324 | NOVEL FUSED PYRIMIDINE DERIVATIVES FOR INHIBITION OF TYROSINE KINASE ACTIVITY - The present invention relates to a novel fused pyrimidine derivative having an inhibitory activity for tyrosine kinases, and a pharmaceutical composition for preventing or treating cancers, tumors, inflammatory diseases, autoimmune diseases, or immunologically mediated diseases comprising same as an active ingredient. | 02-12-2015 |
Eunok Kwak, Yongin-Si, Gyeonggi-Do KR
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20130011698 | Connector Assembly and Battery Pack Having the Same - The present invention relates to a connector assembly and a battery pack having the same. For this purpose, provided are a connector assembly with optimized size and mounting area of the connector assembly serving as a current-carrying medium of the battery pack, and improved bond strength between the connector terminal and the housing, and a battery pack having the same. | 01-10-2013 |
Eun-Young Kwak, Seoul KR
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20120172394 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING RHEUMATOID ARTHRITIS, CONTAINING REBAMIPIDE - The present invention provides a pharmaceutical composition for preventing or treating rheumatoid arthritis comprising rebamipide as an active ingredient and a pharmaceutically acceptable carrier. The pharmaceutical composition may be for oral administration, for example an oral solid dosage form of a tablet or capsule form. The pharmaceutical composition may be formulated into a unit dosage form suitable for orally administering rebamipide in a dose ranging from 0.5 to 50 mg/kg, preferably from 0.6 to 6 mg/kg. | 07-05-2012 |
20130065920 | PHARMACEUTICAL COMPOSITION FOR THE PREVENTION OR TREATMENT OF OSTEOARTHRITIS CONTAINING REBAMIPIDE AS AN ACTIVE INGREDIENT - The present invention provides a pharmaceutical composition for preventing or treating osteoarthritis comprising rebamipide as an active ingredient and a pharmaceutically acceptable carrier. The pharmaceutical composition may be for oral administration, for example an oral solid dosage form of a tablet or capsule form. The pharmaceutical composition may be formulated into a unit dosage form suitable for orally administering rebamipide in a dose ranging from 0.5 to 50 mg/kg, preferably from 0.6 to 6 mg/kg. | 03-14-2013 |
Gyung-Kook Kwak, Yongin-City KR
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20120188213 | LIQUID CRYSTAL DISPLAY AND METHOD OF DRIVING THE LIQUID CRYSTAL DISPLAY - A liquid crystal display device (LCD), and a method of driving the LCD. The LCD includes: a display panel including a plurality of pixels defined as a plurality of gate lines and a plurality of data lines cross each other, wherein a storage capacitor of each of the plurality of pixels is connected to a front or rear gate line; a gate driver for generating a gate-on voltage by boosting a first input voltage in multi-stages, the gate-on voltage turns on a switching device of each of the plurality of pixels, and a gate-off voltage that turns off the switching device, and sequentially applying the gate-on voltage and the gate-off voltage to the plurality of gate lines; and a source driver for applying a data voltage to a data line connected to a pixel whose switching device is turned on. | 07-26-2012 |
20140139132 | INSPECTING APPARATUS AND INSPECTING METHOD - An inspecting apparatus includes a power supply unit that generates a power supply voltage and that outputs a generated power supply voltage, and a connecting unit for connecting to a connector of a display module. The connecting unit includes a first terminal from which the power supply voltage is output and a second terminal to which a feedback voltage is input from the display module, and the power supply unit controls the power supply voltage based on the feedback voltage. | 05-22-2014 |
Haewoon Kwak, Madrid ES
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20110137726 | RECOMMENDER SYSTEM BASED ON EXPERT OPINIONS - The invention refers to a method and system for recommending items of interest to a target and more particularly to a recommender system predicting user interest based on expert opinions. | 06-09-2011 |
Hee-La Kwak, Seoul KR
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20120248945 | POLYMER BLEND COMPOSITION AND TUNABLE ACTUATORS USING THE SAME - The present invention relates to one of energy conversion devices, actuator and a dielectric layer used in the actuator. The present invention provides a polymer blend composition capable of easily controlling the ability of converting electrical energy to mechanical energy, which is prepared by blending a piezoelectric polymer with a flexible elastomeric block copolymer showing an effective miscibility therewith, and a tunable actuator using the same. | 10-04-2012 |
20130040124 | METHOD FOR PREPARING TRANSPARENT ANTISTATIC FILMS USING GRAPHENE AND TRANSPARENT ANTISTATIC FILMS PREPARED BY THE SAME - The present invention relates to transparent antistatic films using graphene, and methods for preparing the same. The films include conductive particles comprising a single-layer or multi-layer graphene, and a binder. The films are prepared by dispersing graphene in a solvent to obtain a graphene dispersion; dissolving a curable binder to a solvent to obtain a binder solution; mixing the graphene dispersion, the binder solution and optionally an additive to obtain a coating solution; applying the coating solution onto a substrate and drying the solution to form a coated film; and curing the coated film. According to the present invention, transparent or semitransparent antistatic films having excellent permeability, abrasion resistance, scratch resistance, chemical stability and dimensional stability can be prepared. The films also have superior adhesion to substrates and applicability, and thus may be advantageously applied to rigid or flexible substrates. | 02-14-2013 |
20130049530 | DIELECTRIC ELASTOMER COMPOSITES AND ACTUATORS USING THE SAME - The present invention relates to an actuator which is one of the energy conversion devices, and is characterized by improving the ability to convert electrical energy into mechanical energy by way of using a dielectric elastomer composite comprising a filler with an efficient dispersibility. In case of using a conventional resilient dielectric layer, there was a problem in that the operating voltage is high, while advantageously exhibiting a fast response and a high strain. The present invention can provide dielectric elastomer composite actuators that show excellent electromechanical conversion properties, by adding a dispersing agent such as a pyrene derivative or a polymeric compound having an amine end group when preparing the composite wherein carbon-based conductive fillers such as carbon blacks, single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs), multi-walled carbon nanotubes (MWCNTs) and graphenes, or high dielectric fillers such as copper phthalo-cyanine (CuPc), MOFs (metal organic frameworks) and barium titanate (BaTiO | 02-28-2013 |
Ho Chul Kwak, Hwaseong-Si KR
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20130152884 | EXHAUST VALVE CONTROL SYSTEM - An exhaust valve control system of an engine includes a first bank including a plurality of cylinders and a second bank including a plurality of cylinder, in which the angle between the exhaust cam profiles of any two cylinders in the first bank is different by a predetermined angle or more from 180°, and the angle between the exhaust cam profiles of any two cylinders in the second bank is different by a predetermined angle or more from 180°. | 06-20-2013 |
Ho-Young Kwak, Suwon KR
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20120070517 | PHARMACEUTICAL COMPOSITION CONTAINING HERBAL EXTRACT FOR PREVENTION OR TREATMENT OF NEPHRITIS - The present invention relates to a novel use of herbal extracts in a pharmaceutical composition for prevention and treatment of nephritis and, more particularly, to a pharmaceutical composition and a health functional food for prevention and/or treatment of nephritis that contains at least one herbal extract selected from the group consisting of a Crataegi Fructus extract, a Cinnamomi Cortex extract, a | 03-22-2012 |
Hun Ho Kwak, Gwangju KR
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20130276308 | METHOD FOR MANUFACTURING SANDWICH PANEL HAVING CORE OF TRUSS STRUCTURE - Provided is a method for manufacturing a panel including a core having a truss structure between upper and lower face sheets. The manufacturing method includes disposing the upper and lower face sheets in parallel to each other at a predetermined distance, repeatedly performing, several times, a process in which a plurality of flexible wires vertically pass through the upper and lower face sheets to reciprocation-connect the upper and lower face sheets to each other, thereby sewing the upper and lower face sheets after the upper and lower face sheets horizontally move in parallel to each other, and maximally spacing both face sheets in a vertical direction while being maintained in a parallel to each other after a relative displacement of the upper and lower face sheets is solved, and fixing the face sheets and the wires to each other. | 10-24-2013 |
Hyunjung Kwak, Seoul KR
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20130332002 | COMPONENT FOR A NETWORK SYSTEM - Provided is a component for a network system. The component for a network system which is communicable with the other component includes a communication unit for communicating with the other component, an input part for inputting a command related to an operation of the component, and a control part for controlling the operation of the component. The component includes a power saving function in which the component is operable on the basis of energy information. | 12-12-2013 |
Hyun-Suk Kwak, Gwangiu-Si KR
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20120255873 | APPARATUS AND METHOD FOR PRODUCING ELECTROLYTIC REDUCING WATER - An apparatus for producing electrolytic reducing water with excellent reducing ability and a pH that is maintained neutral by combining advantages of a conventional water purifier and a conventional alkaline ionized water device. | 10-11-2012 |
In-Seob Kwak, Jeonju Jeonbuk KR
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20120036962 | SURFACE-MODIFIED BIOMASS, PREPARATION METHOD THEREOF, AND METHOD FOR RECOVERING VALUABLE METALS USING THE SAME - The present invention relates to a surface-modified biomass which is crosslinked with an amine group-containing cationic polymer on the surface of a cell biomass, its preparation method, and a method for recovering valuable metals using the same. The surface-modified biomass of the present invention has an advantage of improving adsorption of and affinity with anionic pollutants as a result of further introducing a cationic functional group by crosslinking of the amine group-containing cationic polymer on the surface of the biomass. In addition, the method for recovering valuable metals with the present invention is environment-friendly, economical, and harmless to the human body. | 02-16-2012 |
Jaeo Kwak, Seoul KR
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20140029268 | LIGHTING DEVICE - Disclosed is a lighting device including a body having an inside wall to provide a cavity, the inside wall being provided with a first screw, a light source disposed in the cavity, a power supply disposed at one side of the body to supply power to the light source, and a lens disposed on the light source, the lens being provided with a second screw coupled to the first screw. Disclosed is also a lighting device including a body having an inside wall to provide a cavity, the inside wall being provided with a first screw, a light source disposed in the cavity, a power supply disposed in the body to supply power to the light source, and a lens disposed on the light source, the lens being provided with a second screw coupled to the first screw so that the lens is spaced from the light source. | 01-30-2014 |
Jae O Kwak, Seoul KR
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20130051039 | LIGHTING DEVICE - A lighting device may be provided that includes: a light source including: a member which includes a first placement portion and a second placement portion; a light source module which is disposed in the first placement portion; and a first terminal which is disposed in the second placement portion and is electrically connected to the light source module; and a heat sink including: a first receiver in which the second placement portion of the member is disposed; a second receiver in which a circuitry is disposed; and a second terminal which is disposed corresponding to the first terminal of the light source. | 02-28-2013 |
20140211478 | LIGHTING DEVICE - A lighting device including: a light emitting module; a heat sink which is disposed on the light emitting module; a heat sink fan which is disposed over the heat sink; an upper case which covers the heat sink fan and the heat sink; and a lower case which is coupled to the upper case and fixes the light emitting module. A first air inlet is disposed in the lower case. A second air inlet is disposed in the upper case. | 07-31-2014 |
20140313731 | LIGHTING DEVICE - A lighting device may be provided that comprises: a heat sink comprising a top surface and coupling structures which comprise a first coupling structure and a second coupling structure formed on a side surface of the heat sink; a light source disposed on the top surface of the heat sink; a lens unit disposed on the light source and comprising a first coupling portion which is coupled to the first coupling structure of the heat sink; and a cover unit comprising an optical member which is disposed on the lens unit, and a second coupling portion which is coupled to the second coupling structure of heat sink. | 10-23-2014 |
Jai-Hyun Kwak, Pohang-Si KR
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20130295402 | Steel Sheet for Formed Member Having Enhanced Ductility, Formed Member, and Method for Manufacturing the Formed Member - Provided is a steel sheet for a formed member having enhanced ductility, a formed member, and a method for manufacturing the formed member, and more particularly, to a steel sheet for making a formed member having high strength and ductility such as an automotive structural member and a reinforcing member, a formed member, and a method for manufacturing the formed member. The steel sheet for a formed member has enhanced ductility, and includes, by weight %, C: 0.1% to 1.0%, Si+Al: 0.4% to 3.0%, Mn: 0.1% to 5.0%, P: 0.0001% to 0.1%, S: 0.0001% to 0.03%, N: 0.03% or less (but not 0%), and the balance of Fe and inevitable impurities. The formed member having high strength and ductility that can be used for forming an automotive structural member, a reinforcing member, etc. In addition, the formed member can be used for a heat-treatable impact resistant member. | 11-07-2013 |
Jao O Kwak, Seoul KR
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20130039072 | LIGHTING DEVICE - A lighting device may be provided that includes: a housing having a top opening and a bottom opening; an optical plate disposed in the top opening; heat sink disposed in the bottom opening; a driving unit which is received in the housing, disposed between the optical plate and the heat sink and receives external electric power; and light source which is received in the housing, disposed between the optical plate and the driving unit, spatially separated from the driving unit and is electrically connected to the driving unit. | 02-14-2013 |
Jeong Bok Kwak, Suwon-Si-Gyeonggi-Do KR
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20130234820 | COMMON MODE FILTER AND FABRICATION METHOD THEREOF - Disclosed herein are a common mode filter and a fabrication method thereof. The common mode filter includes: a first magnetic substrate; a laminate including insulating sheets with coil pattern electrodes printed thereon, having holes therein, and provided on the first magnetic substrate; a magnetic core inserted into the hole; and a second magnetic substrate integrally formed with the magnetic core and provided on the laminate. | 09-12-2013 |
Jeong Soon Kwak, Icheon-Si Gyeonggi-Do KR
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20120179859 | NONVOLATILE MEMORY APPARATUS PERFORMING FTL FUNCTION AND METHOD FOR CONTROLLING THE SAME - A nonvolatile memory apparatus includes: a memory controller coupled; and a memory area comprising a plurality of memory blocks controlled by the memory controller. The memory controller sets a plurality of physical blocks corresponding to the plurality of memory blocks, and sets a plurality of logical blocks which are mapping targets of the physical blocks such that a size of the logical blocks and a size of the physical blocks are asymmetrical. | 07-12-2012 |
Jeong Soon Kwak, Icheon-Si KR
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20130275657 | DATA STORAGE DEVICE AND OPERATING METHOD THEREOF - An operating method of a data storage device including a plurality of nonvolatile memory devices includes the steps of: mapping physical addresses of the nonvolatile memory devices into logical addresses; reflecting environmental factors to remap a physical address into a logical address requested to be accessed; and performing an interleaving operation for the nonvolatile memory devices using the remapped physical address. | 10-17-2013 |
Ji-Hyun Kwak, Buk-Gu KR
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20120327395 | SPECTROMETER APPARATUS USING CONTINUOUS WAVE LASER AND PHOTOMULTIPLIER TUBE - Disclosed is a spectrometer apparatus using a continuous wave laser and a photomultiplier tube. The spectrometer apparatus includes a continuous wave laser irradiating part to irradiate a continuous wave laser to introduced particles, a scattering light measuring part to measure a scattering light emitted from the particles due to the continuous wave laser, a triggering signal generator to generate a triggering signal if a measurement value of the scattering light measuring part is greater than a preset value or equal to the preset value, a pulse laser irradiating part to receive the triggering signal to irradiate a pulse laser to the particles, and a spectral analysis part to measure an emission light generated from the particles due to the pulse wave laser to analyze elements consisting of the particles. | 12-27-2012 |
Jim Sam Kwak, Anyang-Si KR
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20120002575 | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING A SIGNAL USING A TIME DIVISION DUPLEXING FRAME STRUCTURE IN A WIRELESS COMMUNICATION SYSTEM - The present invention relates to transmission and reception of a frame for a legacy support mode of IEEE 802.16m system for supporting a legacy system. A method of transmitting an uplink signal, in which a signal is transmitted by a user equipment in a wireless mobile communication system, according to the present invention includes the step of transmitting the signal from the user equipment, wherein the signal is transmitted via an uplink frame including 15 OFDMA (orthogonal frequency division multiple access) symbols and wherein the uplink frame comprises a first uplink subframe including 9 OFDMA symbols and a second uplink subframe including 6 OFDMA symbols. Preferably, the user equipment is multiplexed with a second user equipment supporting a legacy system for the wireless mobile communication system only by FDM for an uplink. | 01-05-2012 |
Jinsam Kwak, Anyang-Si KR
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20120039272 | METHOD AND USER EQUIPMENT FOR TRANSMITTING RANGING SIGNAL, AND METHOD AND BASE STATION FOR RECEIVING RANGING SIGNAL - A method and apparatus for transmitting a ranging signal, and a method and apparatus for receiving the ranging signal are disclosed. A ranging channel (RCH) for transmission of a ranging signal is allocated to the reuse-1 partition. However, the ranging channel (RCH) is allocated to the power-boosted reuse-3 partition only when there is no reuse-1 partition. | 02-16-2012 |
20120094687 | METHOD AND BASE STATION FOR TRANSMITTING LOCATION MEASUREMENT REFERENCE SIGNAL, AND METHOD AND USER EQUIPMENT FOR RECEIVING LOCATION MEASUREMENT REFERENCE SIGNAL - A method and a base station (BS) for transmitting a location measurement reference signal, and a method and a user equipment (UE) for receiving a location measurement reference signal are disclosed. The UE and the BS determine a transmission time of D-LBS zone configuration information configured to transmit an LBS location beacon on the basis of an S-SFH change cycle. In addition, the UE and the BS determine a transmission start point of the D-LBS zone transmitted according to the configuration information, using the transmission time of the configuration information. | 04-19-2012 |
20120176975 | METHOD AND APPARATUS FOR TRANSMITTING OR RECEIVING SYSTEM INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method for receiving system information by a User Equipment (UE) in a wireless communication system is provided. In the method, the UE receives a message including information associated with allocation of a downlink resource from a base station and receives a message including changed system information through the allocated downlink resource according to the received information associated with allocation of the downlink resource. | 07-12-2012 |
20120224660 | Method and Apparatus for Performing Demapping in Wireless Communication System - A method and apparatus for performing demapping in a wireless communication system utilizing a modulo operation are disclosed. The demapping method of a receiver in a wireless communication system includes receiving an input signal and first information indicating whether a first modulo operation is performed on the input signal from a transmitter; if the first information indicates execution of the first modulo operation, performing a second modulo operation of the input signal, and acquiring a reception signal; generating a maximum function value having a highest probability that the reception signal corresponds to a candidate constellation point of an extended constellation; and generating a log-likelihood ratio (LLR) using the generated maximum function value. | 09-06-2012 |
20120230243 | METHOD AND APPARATUS FOR EFFICIENTLY RECEIVING BROADCAST CONTROL MESSAGE USING MAC PDU HEADER IN WIRELESS ACCESS SYSTEM - Disclosed is a method of driving a terminal for receiving a broadcast control message formed of a MAC PDU from a wireless access system. The method includes receiving at least one broadcast control message from a base station in a resource region where a broadcast control message is transmitted, extracting broadcast control message type information that represents the kind of a broadcast control message included in the header of the received broadcast control message, and checking the extracted broadcast control message type information and determining whether payload of the received broadcast message is decoded. | 09-13-2012 |
20120258723 | APPARATUS FOR TRANSMITTING AND RECEIVING SIGNALS IN MULTI-NODE SYSTEM AND METHOD THEREOF - In a multi-node system including a user equipment and a plurality of nodes connected to each other, a plurality of the nodes includes a 1 | 10-11-2012 |
20130090118 | APPARATUS AND METHOD FOR UPDATING CONTROL INFORMATION OF A TARGET BASE STATION DURING HANDOVER OPERATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - Disclosed herein is an operation method of a terminal for updating control information of a target base station in a handover procedure, and the method may include receiving a neighbor advertisement message comprising control information of at least one neighbor base station comprising the target base station from the serving base station; transmitting a handover request message comprising first change count information indicating a neighbor advertisement message version to the serving base station; receiving a handover command message comprising delta control information different from the control information included in the neighbor advertisement message from the serving base station; and updating the control information of the target base station using the received delta control information. | 04-11-2013 |
20130165115 | EFFICIENT HANDOVER/SCANNING TRIGGER METHOD IN A BROADBAND WIRELESS ACCESS SYSTEM SUPPORTING A MULTICARRIER - The present invention relates to a broadband wireless access system, and more particularly, to a method of preventing a terminal from performing an unnecessary operation in a multicarrier environment, and a device for performing the method. An operating method of a terminal operating as a carrier aggregation mode in a broadband wireless access system supporting a multi carrier according to an embodiment of the present invention includes: obtaining system information on a neighbor base station and trigger function information applied to a carrier aggregation mode through a first broadcast message broadcasted from a serving base station; scanning a channel state for at least one carrier of a neighbor base station supporting a multicarrier by using the obtained system information; and transmitting a second message to the serving base station if the scanning result satisfies a condition based on the trigger function information. | 06-27-2013 |
20130178215 | METHOD AND APPARATUS FOR EFFICIENT ZONE SWITCH OPERATION IN A BROADBAND WIRELESS ACCESS SYSTEM - A wireless access system and, more particularly, a method and apparatus for more efficiently performing zone switch are disclosed. The method of performing zone switch by an advanced mobile station (AMS) in a mixed-mode advanced base station (ABS) which operates in a mixed mode of a broadband wireless access system includes receiving a ranging response (RNG-RSP) message including system information of an AMS support zone from a legacy zone (LZone) of the ABS, and performing ranging to the AMS support zone using the system information. | 07-11-2013 |
20130272265 | METHOD OF CHANGING A ZONE IN A BROADBAND WIRELESS ACCESS SYSTEM - The present invention relates to a broadband wireless access system, and more particularly, to a method of performing a zone change more promptly in a base station where an advanced terminal operates in a mix mode. A method for an advanced terminal (AMS) to perform a zone change in an advanced base station (mix mode ABS), which operates in a mix mode of a broadband wireless access system according to an embodiment of the present invention includes: receiving a ranging response message (RNG-RSP) including system information on an advanced terminal supporting zone (MZone) from a legacy zone (LZone) of the advanced base station; and performing ranging in the advanced terminal supporting zone by using the system information. | 10-17-2013 |
20130281093 | METHOD FOR CONTROLLING UPLINK POWER IN A BROADBAND WIRELESS ACCESS SYSTEM - The present invention relates to a broadband wireless access system, and more particularly, to a method for efficiently determining power for ranging performed by a terminal on a target base station or a target region during handover or during changing of a region. A method for controlling uplink power for network reentry of a terminal from a first region to a second region in a broadband wireless access system, according to an embodiment of the present invention, comprises the steps of: receiving a media access control (MAC) management message including a power control parameter that is to be applied to the second region from the first region; and performing ranging to the second region by applying the power control parameter. | 10-24-2013 |
20130287014 | DATA COMMUNICATION METHOD AND APPARATUS VIA INTERLOCK BETWEEN HETEROGENEOUS NETWORKS IN RADIO ACCESS SYSTEM SUPPORTING MULTI RADIO ACCESS TECHNOLOGY - The present invention relates to a method for transmitting and receiving data via a first base station supporting a first radio access technology (RAT) and a second base station supporting a second RAT in a radio access system supporting a multi-radio access technology, and the method may include performing a network (re)entry procedure with the first base station; receiving control information required for an access to the second base station located in the vicinity of the first base station from the first base station; performing a scanning procedure for at least one second base station located in the vicinity of the first base station; receiving an instruction message instructing an access to the second base station from the first base station; and performing an access procedure with the second base station. | 10-31-2013 |
20130315074 | METHOD FOR TRANSMITTING AND RECEIVING POWER OUTAGE REPORT AND DEVICE THEREFOR - Disclosed are a method for transmitting and receiving a power outage report and a device therefor. According to the present invention, a method for allowing a machine to machine (M2M) device to transmit a power outage report comprises a step of transmitting, to a base station, a first message which contains a bandwidth request (BR) index value defined in advance if a power outage occurs, wherein said BR index value defined in advance is allocated to indicate to said M2M device that the power outage has occurred. | 11-28-2013 |
20130315389 | TRAFFIC ENCRYPTION KEY MANAGEMENT FOR MACHINE TO MACHINE MULTICAST GROUP - A method for decrypting multicast data by a mobile station in a wireless communication system is described. The method includes receiving an identifier of a group from a base station, receiving parameters for generating a group traffic key from the base station, wherein the parameters include an authentication key for the group, a group security seed and a counter, performing a key derivation function to generate the group traffic key based on the identifier and the parameters and decrypting multicast data using the group traffic key. | 11-28-2013 |
20140029539 | METHOD AND APPARATUS FOR PERFORMING RANGING AT M2M DEVICE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for performing ranging at a Machine to Machine (M2M) device in a wireless communication system are disclosed. The method includes receiving a Primary SuperFrame Header (P-SFH) and a Secondary SuperFrame Header (S-SFH), receiving an Advanced Air Interface-System Configuration Descriptor (AAI-SCD) message, and performing dedicated ranging using M2M dedicated ranging information included in the AAI-SCD message, wherein first count information included in the S-SFH is increased whenever the M2M dedicated ranging information are changed, wherein information indicating a change in the S-SFH, included in the P-SFH are not changed by update of the first count information. | 01-30-2014 |
20140029566 | METHOD AND APPARATUS FOR PERFORMING RANGING AT M2M DEVICE IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for performing ranging at a Machine to Machine (M2M) device in a wireless communication system are disclosed. The method includes receiving an Advanced Air Interface-System Configuration Descriptor (AAI-SCD) message including a M2M ranging indicator indicating M2M ranging configuration, and performing ranging according to the M2M ranging configuration, if the M2M ranging configuration does not prohibit network reentry wherein the M2M ranging configuration is one of normal ranging, M2M dedicated ranging, and M2M network reentry prohibition. | 01-30-2014 |
20140064229 | METHOD AND APPARATUS FOR TRANSMITTING DISCOVERY SIGNAL IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system, and more specifically to a method and an apparatus for transmitting a discovery signal in a wireless communication system. According to one aspect of the present invention, a method for enabling a terminal for supporting multiple radio access technologies to perform communication includes the steps of: communicating first data to a base station; receiving first information for notifying the presence of a first AP from the first AP as at least one AP among a plurality of APs; and communicating second data using the first AP, wherein the first information is received by using a first resource as at least a part of all resources which the base station uses, a first radio access technology can be applied between the terminal and the base station, and a second radio access technology can be applied between the terminal and the first AP. | 03-06-2014 |
20140098667 | METHOD AND APPARATUS FOR RANGING TRANSMISSION BY MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a ranging transmission method comprising: a mobile station receiving a message including backoff window information from a base station; and the mobile station performing ranging transmission on the basis of the backoff window information, wherein the backoff window information comprises information indicating a size K | 04-10-2014 |
20140105183 | METHOD AND APPARATUS FOR PERFORMING NETWORK REENTRY IN WIRELESS COMMUNICATION SYSTEM - A method for performing network reentry by a Machine to Machine (M2M) device in a wireless communication system is provided. In the method, the M2M device receives information associated with an uplink resource for transmitting a ranging request message from a base station and transmits the ranging request message to the base station based on the received information associated with the uplink resource. The information associated with the uplink resource is masked with a random access identifier (RA-ID) and the RA-ID includes an indicator that indicates an M2M device dedicated ranging channel. | 04-17-2014 |
20140126477 | METHOD AND APPARATUS FOR RANGING TRANSMISSION BY MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a ranging transmission method comprising: a mobile station receiving a message including backoff window information from a base station; the mobile station determining an x-th backoff window for an x-th (x is a non-negative integer) ranging transmission using the backoff window information; the mobile station performing the x-th ranging transmission to the base station within the x-th backoff window; and the mobile station determining a start point of an (x+1)th backoff window on the basis of an end point of the x-th backoff window. | 05-08-2014 |
20140128051 | METHOD AND APPARATUS FOR RANGING TRANSMISSION BY MOBILE STATION IN WIRELESS COMMUNICATION SYSTEM - Disclosed is a ranging transmission method comprising: a mobile station receiving a message including backoff window information from a base station; and the mobile station performing ranging transmission on the basis of the backoff window information, wherein the message includes a ranging backoff window indicator indicating an increase or decrease in a backoff window size for ranging retransmission. | 05-08-2014 |
20140141779 | METHOD FOR PERFORMING A COOPERATIVE OPERATION BETWEEN HETEROGENEOUS NETWORKS AND DEVICE FOR SAME - The present invention relates to a method for performing a cooperative operation between heterogeneous networks and a device for same. A method for a first type base station to perform a cooperative operation between heterogeneous networks in a wireless communication system includes receiving a downlink synchronization channel from at least one second type base station; obtaining an identifier (ID) of the second type base station by using the received downlink synchronization channel; and transmitting at least one of a channel number and a bandwidth of a center frequency of the first type base station and the cell ID of the second type base station to a server. The first type base station and the second type base station use different wireless communication methods or wireless access methods. | 05-22-2014 |
20140146767 | METHOD AND APPARATUS FOR TRANSMITTING M2M RANGING INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method for transmitting Machine to Machine (M2M) ranging information in a wireless communication system is disclosed. The method includes transmitting an Uplink Channel Descriptor (UCD) including an M2M ranging region Type/Length/Value (TLV). When the UCD is transmitted, a ranging region TLV identifying the same region as the M2M ranging region TLV is included in the UCD. | 05-29-2014 |
20140153518 | METHOD AND APPARATUS FOR TRANSMITTING M2M RANGING INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - A method for transmitting Machine to Machine (M2M) ranging information in a wireless communication system is disclosed. The method includes transmitting an M2M ranging allocation UL MAP extended Information Element (IE) including M2M ranging region information. When the M2M ranging allocation UL MAP extended IE is transmitted, an UL MAP IE with the same region as the M2M ranging allocation UL MAP extended IE is transmitted and an Uplink Interval Usage Code of the UL MAP IE is 12. | 06-05-2014 |
20140177502 | METHOD AND APPARATUS FOR SUPPORTING HARQ OPERATION USING HARQ CHANNEL IDENTIFIER IN WIRELESS ACCESS SYSTEM - As an embodiment of the present invention, a method for supporting a HARQ operation of M2M devices using a HARQ Channel Identifier (ACID) in a wireless access system includes transmitting, at a base station, a second UL A-MAP IE to M2M devices sharing a station identifier (STID) in a subframe in which a second M2M device is to retransmit a UL burst, wherein the second UL A-MAP IE includes resource allocation information for allocating a resource region to a first M2M device and includes a second ACID, receiving the UL burst retransmitted using a first ACID from the second M2M device in the subframe, and receiving a new UL burst transmitted using the second ACID from the first M2M device in the subframe, wherein the first and second M2M devices share the STID, and the first and second ACIDs are different from each other. | 06-26-2014 |
20140206408 | METHOD AND APPARATUS FOR SUPPORTING GROUP DELEGATOR IN WIRELESS CONNECTION SYSTEM SUPPORTING MACHINE-TO-MACHINE COMMUNICATION - The present invention provides various methods and an apparatuses for supporting a group delegator (GD) in a wireless access system supporting Machine to Machine (M2M) communication. A method for selecting the group delegator (GD) in a wireless access system supporting the Machine to Machine (M2M) communication, according to one embodiment of the present invention, comprises the steps of: an M2M device belonging to an M2M group receiving a broadcasting message including a first critical value, which is used for selecting the GD; an M2M device generating a first random value, which is used for selecting the GD; and selecting the GD by comparing the first critical value and the first random value. | 07-24-2014 |
20140221036 | METHOD FOR UPDATING TERMINAL GROUP IDENTIFIER IN MACHINE-TO-MACHINE COMMUNICATION - Disclosed is a method for a terminal, which is in an idle state in a wireless access system that supports machine-to-machine (M2M) communication, updating an M2M group identifier (MGID), which identifies a multicast service flow that is shared by a group of M2M terminals inside an M2M group zone. The method can comprises the steps of: receiving from a first base station the MGID and the M2M group zone identifier of the first base station; receiving from a second base station an M2M group zone identifier of the second base station; requesting from the second base station an MGID update when the M2M group zone identifier of the second base station is different from the M2M group zone identifier of the first base station; and updating the MGID on the basis of a new MGID that is transmitted from the second base station as a response to the request. | 08-07-2014 |
20140247795 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING PERSISTENT SCHEDULING CHANGE INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for transmitting and receiving persistent scheduling change information are disclosed. A machine-to-machine (M2M) device for receiving persistent scheduling change information in a wireless communication system includes a receiver for receiving, from a BS, a message comprising allocation period information including a persistent allocation period, wherein the message further comprises changed resource allocation information, when the allocation period information indicates temporal change or one time reallocation of uplink persistent allocation for the M2M device. | 09-04-2014 |
20140286279 | METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING SYSTEM INFORMATION FROM A SYSTEM SUPPORTING MACHINE-TO-MACHINE COMMUNICATION - The present invention relates to various methods and devices that receive and update system information that is used for machine-to-machine (M2M) communication in a wireless connection system supporting the machine-to-machine communication. As an embodiment of the present invention, the method of receiving system information on an M2M instrument from the wireless connection system supporting the M2M may include: receiving, at the M2M instrument, a first secondary superframe header subpacket (S-SFH SP 3) 3 message that includes information on a transmission period during which a second S-SFH SP 3 message including M2M-dedicated ranging information is transmitted; receiving, at the M2M instrument, the second S-SFH SP 3 message on the basis of the transmission period information; and receiving, at the M2M instrument, a system configuration descriptor message that includes updated system information, when the M2M-dedicated ranging information in the second S-SFH SP 3 shows that system information on M2M is updated. | 09-25-2014 |
20140293861 | APPARATUS FOR TRANSMITTING/RECEIVING MULTICAST DATA IN WIRELESS COMMUNICATION SYSTEM AND METHOD THEREOF - An apparatus for transmitting/receiving multicast data in a wireless communication system and method thereof are disclosed. The present invention includes receiving information including an M2M group identifier (MGID) assigned to an M2M (machine-to-machine) device from a base station, receiving a message related to M2M multicast assignment having the MGID information applied thereto from the base station, and receiving the multicast data from the base station in accordance with instruction of the message from the base station, wherein the multicast data comprises a flow identifier (FID) field in a MAC header of a MAC PDU (medium access control packet data unit) for a multicast service flow and wherein the FID field is set to a specific value. | 10-02-2014 |
20140304571 | DEVICE AND METHOD FOR TRANSMITTING DATA USING CONVOLUTIONAL TURBO CODE (CTC) ENCODER IN MOBILE COMMUNICATION SYSTEM - Abstract: Disclosed in the present application is a method for transmitting data from a transmitting side in a mobile communication system. Specifically, the method comprises: a first encoding to output first encoded bits by encoding input data bits, which have been input through two input ports of the CTC encoder; interleaving the input data bits using four CTC interleaver parameters P | 10-09-2014 |
20140307618 | METHOD AND APPARATUS FOR MULTICASTING A MEDIUM ACCESS CONTROL (MAC) CONTROL MESSAGE IN WIRELESS ACCESS SYSTEM - A wireless access system supporting an M2M environment and, more particularly, a method and apparatus for multicasting a MAC control message respective to an M2M device is disclosed herein. According to an exemplary embodiment, a method for multicasting a MAC control message may include the steps of receiving a paging message including an MGID identifying an M2M group to which the corresponding M2M device belongs and an indicator indicating a multicast data transmission for the M2M device, receiving an M2M MA A-MAP IE including resource assignment information indicating a resource region to which the MAC control message respective to the corresponding M2M device is being transmitted, and, when a CRC bit being masked to the M2M MA A-MAP IE includes the MGID, receiving a MAC PDU being accompanied by the MAC control message being multicast through the resource region indicated by the resource assignment information. | 10-16-2014 |
20140341312 | METHOD FOR FEEDING BACK CODEBOOK-BASED PRECODING MATRIX INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - A method for feeding back codebook-based precoding matrix information by a receiving side includes estimating a channel through a receiving signal received from a transmitting side; selecting first and second precoding matrix indexes for indicating precoding matrices selected in a predefined codebook based upon said estimated channel; and transmitting said selected first and second precoding matrix indexes to said transmitting side, wherein said predefined codebook supports antenna patterns at the receiving side, precoder (W) in the predefined codebook is expressed as a multiplication of two precoding matrices (W | 11-20-2014 |
20140376442 | METHOD AND APPARATUS FOR BROADCASTING A MAC CONTROL MESSAGE IN WIRELESS ACCESS SYSTEM - A wireless access system supporting an M2M environment and, more particularly, a method and apparatus for broadcasting a Medium Access Control (MAC) control message respective to an M2M device is disclosed herein. According to an exemplary embodiment, a method for broadcasting a control message to the M2M device in a wireless access system may include the steps of receiving a downlink MAP information element (IE), wherein the downlink MAP IE includes resource assignment information indicating a resource region, to which the control message is being transmitted, and an M2M management CID, and receiving a Medium Access Control Protocol Data Unit (MAC PDU), wherein the MAC PDU carries the control message being broadcasted from the resource region. At this point, the MAC PDU may include the M2M management CID and an M2M connection identifier (M2MCID), and the M2MCID may identify a M2M group to which the corresponding M2M device belongs. | 12-25-2014 |
20150016303 | DEVICE AND METHOD FOR ACTIVE SCANNING - A device and method for active scanning are disclosed. The active scanning method in a wireless LAN can comprise the steps of: allowing an AP to receive a probe request frame containing an the AP identifier; determining whether the AP is a target AP or a non-target AP on the basis of the AP identifier; and performing back-off for the transmission of a probe response frame from a second interval after a first interval is terminated in a minimum channel interval when the AP is a non-target AP. Therefore, the present invention can prevent probe response frames from flooding a STA in a short period of time by distributing intervals in which probe response frames are received to the STA. In addition, the time used by the STA to perform active scanning can be reduced. | 01-15-2015 |
20150016383 | METHOD FOR CHECKING AVAILABILITY OR STATE OF PEER ENTITY - A method for checking availability of one of Television White Space (TVWS) devices by a management device for managing the TVWS devices to co-exist in a TVWS according to one embodiment of the present invention can comprise the following steps: receiving a registration request message for registering the TVWS device or updating the registration of the TVWS device from the TVWS device; registering the TVWS device or updating the registration of the TVWS device; transmitting a check request message for checking the availability of the TVWS device to the TVWS device after registering the TVWS device or updating the registration of the TVWS device, the check request message including a time parameter; and determining the availability of the TVWS device on the basis of the time parameter. | 01-15-2015 |
20150023236 | METHOD BY WHICH STATIONS OPERATING IN POWER SAVE MODE IN WIRELESS LAN SYSTEMS TRANSMIT AND RECEIVE FRAMES, AND APPARATUS FOR SUPPORTING SAME - The present invention relates to a method by which a station (STA) which operates in power save mode in a wireless LAN system transmits and receives frames. The method includes the steps of: obtaining a channel access authority on the basis of at least one slot time, wherein each slot time is the unit time when a channel is maintained in an idle state for a channel access by the STA; transmitting a power save (PS) poll frame requesting the transmission of a buffered frame to an access point (AP); and receiving a response frame from the AP in response to the PS poll frame. The length of each slot time is set to be longer than the transmission time of the PS poll frame. | 01-22-2015 |
20150023272 | METHOD FOR TRANSMITTING DATA UNITS IN WIRELESS LAN SYSTEMS AND APPARATUS FOR SUPPORTING SAME - The present invention relates to a method for transmitting data units in wireless LAN systems. The method includes the steps of generating a short training field (STF) for a first channel, generating a long training field (LTF) for the first channel, duplicating the STF on at least one second channel, duplicating the LTF on at least one second channel, transmitting the STF and the one or more duplicated STFs through a transmission channel, transmitting the LTF and the one or more duplicated LTFs through the transmission channel, and transmitting a data field through the transmission channel. | 01-22-2015 |
20150038139 | METHOD FOR REGISTERING WSO IN COEXISTENCE NETWORK - Provided is a method for registering TVWS devices for coexistence of television white space (TVWS) devices in a television white space (TVWS), the method performed a server and comprising receiving a registration request message for registration or update registration of at least one TVWS device from at least one management device; performing the registration or update registration of at least one TVWS device; and in response to the registration request message, transmitting a registration response message to the at least one management device, wherein the registration response message includes at least one of an identifier field of an interface device connected to the at least one TVWS device, a status field indicating a result of the registration or the update registration, and a reason field indicating a reason why the registration or the update registration is failed if the registration or the update registration is failed. | 02-05-2015 |
20150040195 | METHOD AND APPARATUS FOR ASSOCIATING STATION (STA) WITH ACCESS POINT (AP) - The present invention relates to a method and apparatus for associating a station (STA) with an access point (AP). The method for associating a first AP with an STA in a wireless LAN includes the steps of: a first AP receiving an association request frame from the STA; the first AP requesting authentication information on the STA from a second AP with which the STA was previously associated; the first AP receiving authentication information on the STA from the second AP, wherein the first and second AP's are linked by a distribution system, the association request frame includes identification information on the second AP, and the authentication information on the STA can include at least one of a paired main key (PMK) and a recertification main session key (rMSK). Accordingly, fast association between the STA and the AP can be achieved by a simplified authentication procedure without repeating a full authentication procedure. | 02-05-2015 |
20150043409 | METHOD FOR TRANSMITTING AND RECEIVING SIGNAL OF STATION OPERABLE IN POWER SAVING MODE IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR - One embodiment of the present invention relates to a method for transmitting a signal of a station (STA) operable in a power saving mode in a wireless communication system, and the method for transmitting a signal comprises a step of transmitting a PS-Poll frame and/or a trigger frame according to a first time period, wherein an integrated scaling factor is applied to the first time period, and the integrated scaling factor is also commonly applied to a second time period in which the STA can omit frame transmission by maintaining an association state with an access point (AP). | 02-12-2015 |
20150043558 | METHOD AND APPARATUS FOR CHANNEL ACCESS IN WIRELESS LAN SYSTEM - The present invention relates to a wireless communication system, and more particularly, to a method and an apparatus for accessing a channel in a wireless LAN system. According to one embodiment of the present invention, a method for performing channel access by a station (STA) of a wireless communication system comprises: a step of receiving, from an access point (AP), information about the time window which does not allow channel access of a traffic indication map (TIM) mode STA; and a step of performing channel access based on the time window. In the event that the STA is a non-TIM mode STA, the channel access is performed in the time window. In the event that the STA is a TIM mode STA, the channel access is performed in the time interval indicated by the TIM, excluding the time window. | 02-12-2015 |
20150063232 | METHOD FOR TRANSMITTING AND RECEIVING TRAFFIC INDICATION MAPS IN WIRELESS COMMUNICATION SYSTEMS AND APPARATUS FOR SAME - The present invention relates to a method for transmitting and receiving a traffic indication map in a wireless communication system, and to an apparatus for same. More particularly, the method includes a step of transmitting a traffic indication map (TIM) to a station (STA) through a beacon frame, wherein the TIM can include a bitmap field configured of one or more sub-block bitmaps for indicating whether buffered downlink data exists for an STA which is grouped to one or more sub-blocks, and a block control field indicating an encoding scheme of the bitmap field. | 03-05-2015 |
20150063233 | METHOD FOR SETTING SERVICE PERIOD IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR SAME - Disclosed is a method for setting a service period (SP) of a station (STA) in a wireless communication system and an apparatus for supporting the method. More particularly, the method comprises a step of transmitting a trigger frame to an access point (AP) and starting the service period. The trigger frame may be a data frame that includes data to be transmitted to the AP or a null frame for triggering the data transmission of the AP. | 03-05-2015 |
20150072702 | METHOD FOR SELECTING MASTER CM IN COEXISTENCE NETWORK - Disclosed according to one embodiment of the present invention is a method whereby a management device, which enables coexistence of television white space (TVWS) devices in a TVWS, sends a server a request for the selection of a master management device, the method comprising the steps of: determining whether a trigger condition for the process of selecting the master management device is satisfied; judging the management device as a candidate slave management device, and the other management devices as candidate master management devices, provided that the trigger condition is satisfied; and initiating the process for selecting the master management device, wherein the trigger condition may be based on the load balance parameter or geographical coverage parameter of the management device. | 03-12-2015 |
20150078229 | METHOD AND APPARATUS FOR TRANSCEIVING BEACON IN WIRELESS LAN SYSTEM - The present invention relates to a wireless communication system, and more specifically discloses a method and an apparatus for transceiving a beacon in a wireless LAN system. A method for receiving a beacon from a station (STA) in a wireless communication system according to one embodiment of the present invention comprises the steps of: receiving a probe response frame from an access point (AP); determining the time at which the next beacon is to be received by means of information regarding the next beacon contained in the probe response frame; and receiving the next beacon at the time determined for receiving the next beacon. | 03-19-2015 |
20150078230 | METHOD AND APPARATUS FOR ACCESSING CHANNEL IN WLAN SYSTEM - The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for accessing a channel in a WLAN system. A method for accessing the channel from a station (STA) in the wireless communication system, according to one embodiment of the present invention, comprises receiving from an access point (AP) setting information of a time window, which does not allow channel access of the STA in a traffic indication map (TIM) mode and which is repeatedly set in a cyclic manner; and carrying out the channel access on the basis of the time window, wherein the setting information includes starting point information of a specific time window and cycle information of the time window, wherein the time window is repeatedly set for every cycle that is indicated by the cycle information of the time window. | 03-19-2015 |
20150078358 | METHOD AND APPARATUS FOR SETTING UP HIGH-SPEED LINK IN WLAN SYSTEM - The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for setting up a high-speed link in a WLAN system. A method for a station (STA) setting up the high-speed link in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting to an access point (AP) a request frame including a generic advertisement service (GAS) configuration change query; and receiving from the AP a response frame including response information with respect to the GAS configuration change query, wherein the response information may include GAS step skipping information when AS information saved in the STA matches the GAS information saved in the AP. | 03-19-2015 |
20150085775 | METHOD AND APPARATUS FOR CONTROLLING CHANNEL ACCESS IN WIRELESS LAN SYSTEM - The present invention relates to a wireless communication system, and a method and apparatus for controlling channel access in a wireless LAN system. The method for controlling the channel access of a station (STA) of a wireless communication system according to the present invention comprises detecting a short frame transmitted by another STA; and deferring the channel access of the STA by a predetermined length of time. The short frame is a frame that triggers a service period during which the transceiving of a plurality of data frames of the other STA is allowed. The predetermined length of time can be set to the value corresponding to the length of time ranging from the start of the service period to the point in time at which the transceiving of a first data frame from among the plurality of data frames of the other STA is completed. | 03-26-2015 |
20150085780 | METHOD FOR INDICATING CHANNEL ACCESS TYPE IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - The invention relates to a method for a station (STA) to perform channel access in a wireless communication system, comprising the steps of: receiving a beacon frame including a traffic indication map (TIM); a step of checking, if the TIM indicates to the STA that buffered traffic exists, information relating to a PS-poll transmission type; and a step of transmitting a PS-poll frame according to either a first type or second type of transmission indicated by the information relating to the PS-poll frame transmission type. The first type of transmission involves transmitting the PS-poll frame after performing contention, and the second type of transmission involves transmitting the PS-poll frame in the time interval set for the STA. | 03-26-2015 |
20150085849 | METHOD AND APPARATUS FOR UPDATING SYSTEM INFORMATION IN WIRELESS LAN SYSTEM - The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for updating system information in a wireless LAN system. A method for a station (STA) to update system information in a wireless communication system according to one embodiment of the present invention comprises the steps of: if the value of a change sequence field received by the STA from an access point (AP) is different from the value of the change sequence field stored in the STA, transmitting, to the AP, a probe request frame including the change sequence field set to the value of the change sequence field stored in the STA; and a step of receiving, from the AP, a probe response frame responding to the probe request frame including the change sequence field. | 03-26-2015 |
Jin-Sung Kwak, Busan KR
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20120328906 | METHOD FOR MANUFACTURING GRAPHENE, TRANSPARENT ELECTRODE AND ACTIVE LAYER COMPRISING THE SAME, AND DISPLAY, ELECTRONIC DEVICE, OPTOELECTRONIC DEVICE, BATTERY, SOLAR CELL, AND DYE-SENSITIZED SOLAR CELL INCLUDING THE ELECTRODE AND THE ACTIVE LAYER - Disclosed is a method of manufacturing graphene, a transparent electrode and an active layer including the graphene, and a display, an electronic device, an optoelectronic device, a solar cell, and a dye-sensitized solar cell including the transparent electrode and the active layer. The method of manufacturing graphene includes: (a) preparing a subject substrate; (b) forming a metal thin film on the subject substrate and heat-treating the metal thin film to increase the grain size of the metal thin film; (c) supplying a carbon source material on the metal thin film; (d) heating the supplied carbon source material, the subject substrate, and the metal thin film; (e) diffusing carbon atoms generated from the heated carbon source material due to thermal decomposition into the metal thin film; and (f) forming graphene on the subject substrate by the carbon atoms diffused through the metal thin film. | 12-27-2012 |
20140030600 | GRAPHENE SHEET, TRANSPARENT ELECTRODE AND ACTIVE LAYER INCLUDING THE SAME, AND DISPLAY, ELECTRONIC DEVICE, OPTOELECTRONIC DEVICE, BATTERY, SOLAR CELL, AND DYE-SENSITIZED SOLAR CELL INCLUDING TRANSPARENT ELECTRODE OR ACTIVE LAYER - A graphene sheet including a lower sheet including 1 to 20 layers of graphene, and a ridge formed on the lower sheet and including more layers of the graphene compared with the lower sheet, the ridge having a shape of a grain boundary of a metal, a transparent electrode and an active layer including the same, and a display, an electronic device, an optoelectronic device, a battery, a solar cell, and a dye-sensitized solar cell including the transparent electrode and/or the active layer are provided. | 01-30-2014 |
20140131761 | GRAPHENE SHEET, TRANSPARENT ELECTRODE, ACTIVE LAYER INCLUDING THE SAME, DISPLAY, ELECTRONIC DEVICE, OPTOELECTRONIC DEVICE, BATTERY, SOLAR CELL, AND DYE-SENSITIZED SOLAR CELL INCLUDING THE ELECTRODE OR ACTIVE LAYER - The present invention relates to a graphene sheet and a transparent electrode, and an active layer including the same, and a display device, an electronic device, an optoelectronic device, a battery, a solar cell, and a dye-sensitized solar cell including these. The graphene sheet includes a lower sheet including 1 to 20 graphene layers, and a ridge formed on the lower sheet and including more graphene layers. The ridge has a metal grain boundary shape. | 05-15-2014 |
Jin Woo Kwak, Uiwang KR
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20120315425 | COMPOSITE MATERIAL FOR BATTERY CASE AND METHOD OF MANUFACTURING THE SAME - Provided is a composite material for a battery case and a method of manufacturing the same, in which a heat-dissipating layer, which is filled with a heat-dissipating filler, is interposed between layers to effectively dissipate heat generated in a battery through the heat-dissipating layer. As a result, the lifespan is increased and the stability of the battery package is ensured. Moreover, according to the present invention, a neat layer which is not filled with the heat-dissipating filler is interposed between the heat-dissipating layers, and thus it is possible to prevent deterioration in mechanical properties. | 12-13-2012 |
20130071718 | HEAT DISSIPATION PLATE FOR BATTERY CELL AND BATTERY MODULE HAVING THE SAME - Disposed is a heat dissipation plate, which is an interface plate interposed between a plurality of battery cells, can respond to changes in volume of the battery cells, and can effectively dissipate heat accumulated in the battery cells, and a battery module having the same. To this end, the heat dissipation plate includes a porous metal foam plate formed by foaming and having a plate shape. A sheet plate is stacked on both sides of the metal foam plate. When the battery cells expand, the metal foam plate is compressed by the expansion of the battery cells, thereby responding to changes in volume of the battery cells and improving heat dissipation performance by air cooling due to increased specific surface area. | 03-21-2013 |
20130084487 | BATTERY PACKAGE FILLED WITH PHASE CHANGE MATERIAL AND BATTERY USING THE SAME - A battery and battery package is disclosed which improves a battery's heat dissipation capability by using an aluminum material and a phase change material capable of maintaining a suitable temperature through phase change according to a temperature in order to prevent a battery from being deteriorated in terms of performance. More specifically, battery package has a top case and a bottom case as a battery cell case for housing a battery cell. The top and bottom cases are adhered to each other, and either or both the top and bottom cases includes: a top sheet plate repeatedly undulated at predetermined intervals to form a plurality of unidirectionally extended convex parts to be filled with a phase change material; a bottom sheet plate formed in a flat shape and adhered to the top sheet plate; and a phase change material filled in between the convex parts and the bottom sheet plate. | 04-04-2013 |
Jin Woo Kwak, Suwon KR
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20130140483 | MICRO PARTICLE FOR THERMAL CONTROL MATERIAL AND DEVICE AND METHOD OF PRODUCING THE SAME USING ULTRASONIC HIGH-TEMPERATURE VIBRATION SCHEME - Disclosed is a micro particle for a thermal control material capable of being applied as a highly thermal conductive material for thermal control, and an apparatus and a method of producing the micro particle for the thermal control material by using an ultrasonic high-temperature vibration scheme. More specifically, a Boron Nitride (BN) particle having a plate shape and an excellent thermal conductivity is coated on a PCM having a shape of a micro bead, to increase the thermal conduction to the inside PCM, so that a phase change is easily generated, and which allows an easy treatment of the PCM in a liquid state at a temperature equal to or higher than a melting point of the PCM. | 06-06-2013 |
20130200309 | NANOCOMPOSITE MATERIAL CONTAINING GLASS FIBER COATED WITH CARBON NANOTUBES AND GRAPHITE AND A METHOD OF PREPARING THE SAME - The present disclosure relates to a nanocomposite material containing carbon nanotube coated glass fiber and graphite, in which fiber-shaped conductive particles obtained by coating a glass fiber with carbon nanotube as a conductive material with a good electromagnetic wave shielding property are hybridized with graphite sheets having a nanometer thickness and having an excellent heat conductivity, thereby creating a nanocomposite material with excellent electromagnetic wave shielding and heat dissipation properties. The nanocomposite material may be applied to a wide variety of electronics fields requiring both electromagnetic wave shielding and heat dissipation property, such as automotive electronic component housings, components of an electric car, mobile phones, and display devices. | 08-08-2013 |
20130202865 | ELECTROMAGNETIC SHIELDING COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING THE SAME - The disclosure provides an electromagnetic shielding composite material, and a method for manufacturing the same. The electromagnetic shielding composite material includes: a polymer sheet; and an acicular carbon nanotube layer including acicular portions of carbon nanotubes fixed on the polymer sheet. The method for manufacturing the electromagnetic shielding composite material includes: preparing a carbon nanotube dispersion solution; applying the carbon nanotube dispersion solution to the surface of a polymer sheet; and drying the polymer sheet to which the carbon nanotube dispersion solution is applied and then forming an acicular structure of carbon nanotubes on the polymer sheet. The composite material has superb electromagnetic wave shielding properties suitable for a variety of electronics applications. | 08-08-2013 |
20130202924 | RADIANT HEAT PLATE FOR BATTERY CELL MODULE AND BATTERY CELL MODULE HAVING THE SAME - Disclosed is a radiant heat plate and a battery cell module having the same. The radiant heat plate is interposed between battery cells. The radiant heat plate includes a high-thermal conductivity plate with excellent thermal conductivity and a composite sheet fixedly laminated on both surfaces of the high-thermal conductivity plate. Here, the composite sheet is formed of a thermoplastic elastomer composite filled with a high-thermal conductivity filler. | 08-08-2013 |
20130202939 | HEAT CONTROL POUCH FOR BATTERY CELL MODULE AND BATTERY CELL MODULE HAVING THE SAME - Disclosed are a heat control pouch and a battery cell module having the same. The heat control pouch is interposed between battery cells. The heat control pouch includes a high thermal conductivity case having a sealed internal space, a phase change composite filled in the internal space of the high thermal conductivity case, and an elasticity sheet attached to both upper and lower surfaces of the high thermal conductivity case. Here, the elasticity sheet is formed of a thermoplastic elastomer composite containing a high thermal conductivity filler. | 08-08-2013 |
20130221285 | HYBRID POLYMER COMPOSITES FOR ELECTROMAGNETIC WAVE SHIELDING, AND A METHOD FOR FABRICATING THE SAME - Disclosed is a hybrid polymer composite for electromagnetic wave shielding, and a method for fabricating the same. Specifically, the hybrid polymer composite may be fabricated by combining a microcapsule that is surface coated with at least one carbon nanotube and includes a phase change material (PCM), whose phase easily transitions from solid to liquid upon exposure to heat, with at least one carbon fiber and a matrix polymer. The disclosed hybrid polymer composite has enhanced electromagnetic wave shielding properties that result, in part, from the ability of the PCM to dissipate and remove heat generated by electromagnetic absorption. Additionally, the disclosed composite has excellent conductivity due to its polymer properties and the formation of a network between fillers and the polymer. | 08-29-2013 |
20130223474 | ANALYSIS SYSTEM AND METHOD FOR VISUALIZING HEAT CONDUCTION - Disclosed is an analysis system and method for visualizing heat conduction of a solid state sample. The analysis system includes a sealed jig chamber, a jig, an air tempering unit, and a thermal image camera. The sealed jig chamber includes a chamber door for opening/closing the jig chamber. The jig is removeably mounted in the jig chamber and comprises a heat source in surface contact with a solid state sample to induce the heat conduction of the solid state sample. The air tempering unit supplies hot air into the jig and supplies cool air into the jig chamber. The thermal image camera photographs the heat conduction of the solid state sample to acquire a thermal image or video. | 08-29-2013 |
20130237621 | HIGH HEAT RADIATION COMPOSITE AND A METHOD OF FABRICATING THE SAME - The present disclosure provides a high heat radiation composite material including a hybrid filler comprising expanded graphite filled with expandable polymeric beads, and a fabrication method thereof. In the method, a dispersion solution is prepared by dispersing expandable polymeric beads in ethanol. Expanded graphite is immersed in the dispersion solution, and heat-treated to remove ethanol, thereby producing the hybrid filler. The hybrid filler is dispersed into the matrix polymer via an extrusion/injection process, thereby producing the composite material. | 09-12-2013 |
20130240261 | COMPOSITE MATERIAL FOR SHIELDING ELECTROMAGNETIC WAVE - The present disclosure provides a composite material for shielding an electromagnetic wave, and more particularly, a composite material for shielding an electromagnetic wave, which can effectively shield an electromagnetic wave generated in an electronic component. The composite material of the disclosure has a multi-layer structure including: an electromagnetic wave-shielding layer for shielding an electromagnetic wave; and a thermally conductive layer stacked under the electromagnetic wave-shielding layer for dissipating heat generated when the electromagnetic wave is absorbed, wherein the electromagnetic wave-shielding layer includes a material including a magnetic material and a carbon-based conductive material added to a thermoplastic resin. | 09-19-2013 |
20130244078 | RADIATING APPARATUS FOR BATTERY CELL USING INTERFACE PLATE - Disclosed is a radiating apparatus for a battery cell which uses an interface plate which can effectively radiate heat accumulated in the battery. In particular, an aluminum-elastomer structure composite material with excellent thermal conductivity is used as the interface plate. Further, the radiating apparatus includes an outer case having cooling channels, through which cooling air passes to discharge heat generated from a battery cell, and a battery cell and an interface plate which are provided within the outer case and which are alternately stacked to make surface-contact with each other. The interface plate advantageously discharges the heat accumulated in the battery cell using aluminum-elastomer structure composite material. | 09-19-2013 |
20130252040 | HEAT CONTROL PLATE FOR BATTERY CELL MODULE AND BATTERY CELL MODULE HAVING THE SAME - The present invention provides a heat control plate and a battery cell module having the same. The heat control plate is used as an interfacial component interposed between battery cells. The heat control plate includes a planar composite sheet, a plurality of heat radiating ribbons, a planar heating layer, and a conductive strap. The plurality of heat radiating ribbons penetrate the composite sheet and protrude from both right and left sides of the composite sheet at both ends thereof. The planar heating layer is attached to one or both of upper and lower surfaces of the composite sheet and generates heat upon application of a voltage. The conductive strap applies a supply voltage to the planar heating layer. The planar composite sheet can have a high thermal conductivity. The planar composite sheet can have a thermal conductivity greater than about 3 W/mK. | 09-26-2013 |
20130264511 | COMPOSITE FOR SHIELDING BROADBAND ELECTROMAGNETIC WAVES - Disclosed is a composite material for shielding broadband electromagnetic waves and a method for its production. More particularly, a composite material for shielding broadband electromagnetic waves that absorbs low frequency electromagnetic waves and reflects high frequency electromagnetic waves is disclosed. The composite material for shielding broadband electromagnetic waves may be a polymer composite prepared by mixing a matrix composition including a matrix-forming polymer impregnated with a carbonaceous conductive nano material with a filler composite including a filler-forming polymer impregnated with a magnetic material. The magnetic material impregnated in the filler-forming polymer may be distributed in the matrix composite. | 10-10-2013 |
20130266837 | HEAT RADIATION PLATE FOR BATTERY MODULE AND BATTERY MODULE HAVING THE SAME - Disclosed is a heat radiation plate for a battery module, which can effectively radiate heat accumulated in a battery module, and the battery module having the heat radiation plate. To this end, the heat radiation plate is inserted in an interlayer manner between battery cells. The heat radiation plate includes high-polymer matrix layers and a filler layer inserted in an interlayer manner between the high-polymer matrix layers, in which the filler layer is made of a conductive fiber having a three-dimensional (3D) web structure. | 10-10-2013 |
20130277439 | HOUSING FOR ELECTRONIC/ELECTRICAL COMPONENTS USING SHAPE MEMORY MATERIAL - Disclosed is a housing for electronic/electrical that includes an inner panel and an outer panel, a strip of metal plate, and a strip of shape memory material. The inner panel and the outer panel are disposed parallel to each other at regular intervals to define an internal space. The strip of metal plate extends from an inner surface of the outer panel. The strip of shape memory material extends from an inner surface of the inner panel and is attached or detached to/from the metal plate on the outer panel while changing into an original straight shape or a bent shape according to a temperature variation. Here, when the temperature increase beyond a first transition temperature, the shape memory material straightens to form a heat transfer path. At a low temperature environment, the shape memory material bends and is separated from the metal plate to interrupt the heat transfer path. | 10-24-2013 |
20130299732 | HYBRID FILLER FOR ELECTROMAGNETIC SHIELDING COMPOSITE MATERIAL AND METHOD OF MANUFACTURING THE HYBRID FILLER - Disclosed is a hybrid filler for an electromagnetic shielding composite material and a method of manufacturing the hybrid filler, by which electromagnetic shielding and absorbing capabilities are improved and heat generated by electromagnetic absorption is effectively removed. The hybrid filler for an electromagnetic shielding composite material includes an expandable graphite (EG) having a plurality of pores, and magnetic particles integrated with a carbon nanotube (CNT) on outer surfaces thereof in a mixed manner, wherein the magnetic particles are inserted into the pores of the EG. | 11-14-2013 |
20140045028 | RADIANT HEAT PLATE FOR BATTERY CELL MODULE AND BATTERY CELL MODULE HAVING THE SAME - Disclosed is a multifunctional radiant heat plate and a battery cell module having the same. The multifunctional radiant heat plate includes a heat conductive plate, a first and second composite sheet, at least one electroconductive metal layer, and electrodes. The heat conductive plate may be sandwiched between the first and second composite sheets. The at least one electroconductive metal layer is stacked on the composite sheet. Electrodes may be connected to the heat conductive plate and the metal layer, respectively. According to the disclosure, the heat conductive plate, the composite sheet, the electroconductive metal layer, and the electrodes are radiant heat interfacial components disposed between battery cells, and the composite sheet includes a piezoelectric material and a heat conductive filler dispersed and filled in a matrix resin. | 02-13-2014 |
20140339461 | HIGH HEAT RADIATION COMPOSITE AND A METHOD OF FABRICATING THE SAME - The present disclosure provides a high heat radiation composite material including a hybrid filler comprising expanded graphite filled with expandable polymeric beads, and a fabrication method thereof. In the method, a dispersion solution is prepared by dispersing expandable polymeric beads in ethanol. Expanded graphite is immersed in the dispersion solution, and heat-treated to remove ethanol, thereby producing the hybrid filler. The hybrid filler is dispersed into the matrix polymer via an extrusion/injection process, thereby producing the composite material. | 11-20-2014 |
Ji-Young Kwak, Gwangju KR
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20120124443 | AD-HOC MULTIMEDIA GROUP COMMUNICATION TERMINAL ROBUST TO PACKET LOSS AND METHOD OF OPERATING THE SAME - Disclosed herein is an ad-hoc multimedia group communication terminal which is robust to packet loss and includes a multimedia transmitter. The media transmitter includes a reception status monitoring module, an error recovery level/traffic adjustment module, a bit stream division and error recovery data generation module, and a media data packet generation module. The reception status monitoring module recognizes packet reception status information relevant to the reception side terminals based on control packets from each of the reception side terminals. The error recovery level/traffic adjustment module adjusts the error recovery level and the amount of traffic of the media data packets. The bit stream division and error recovery data generation module generates error recovery data to be transmitted to the reception side terminals based on the error recovery level. The media data packet generation module generates the media data packets and error recovery data packets. | 05-17-2012 |
20140313967 | MULTICAST ROUTING APPARATUS IN WIRELESS MESH NETWORK AND METHOD THEREOF - A multicast routing apparatus in a wireless mesh network and a method thereof are disclosed. The multicast routing apparatus in the wireless mesh network includes: an information obtaining unit configured to obtain group identification (ID) information of neighboring mesh stations corresponding to the respective mesh stations; a selecting unit configured to select a multicast forwarding candidate corresponding to a candidate of the mesh stations capable of participating in forwarding multicast data packet using the group ID information; a tree generating unit configured to generate a tree corresponding to a transmission path of the multicast data packet; and a packet transmitting unit configured to transmit data packet from a transmitting mesh station to a receiving mesh station of the mesh stations using the tree. | 10-23-2014 |
20140330905 | APPARATUS AND METHOD FOR SETTING UP ACTIVE NETWORKING OF SMART DEVICES FOR PROVIDING CONVERGED SERVICE - Disclosed herein is a method for setting up active networking of smart devices for providing a converged service. In the method of setting up active networking of smart devices for providing a converged service, each of a plurality of smart objects broadcasts location information thereof. A smart object neighboring a largest number of smart objects is selected as a smart zone manager from among the plurality of smart objects. The selected smart zone manager broadcasts smart zone information to neighbor smart objects, and then forms a smart zone. | 11-06-2014 |
Joon Young Kwak, Daegu KR
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20130094699 | FOREST FIRE SMOKE DETECTION METHOD USING RANDOM FOREST CLASSIFICATION - A forest fire smoke detection method using random forest classification is provided. In the method, a first reference value is set. For consecutively captured frames, images between the frames are compared, each block, in which a number of pixels, motions of which have been identified, is equal to or greater than the first reference value, is set as a candidate block, and a keyframe is selected. The selected keyframe is compared with at least one frame previous to the keyframe and then a plurality of feature vectors are extracted from the candidate blocks. The extracted feature vectors are learned using different random forest algorithms. Probabilities output to terminal nodes for classes are accumulated, and two first cumulative probability histograms are generated. The two first cumulative probability histograms are averaged, and then a second cumulative probability histogram is generated. A detected state of each candidate block is determined. | 04-18-2013 |
Joseph Kwak, Hawkesbury CA
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20100150125 | SYSTEM AND METHOD FOR RECEIVED CHANNEL POWER INDICATOR (RCPI) MEASUREMENT - A received channel power indicator (RCPI) value is used as a measure of the received RF power in the selected channel, measured at the antenna connector. This parameter is a measure by the PHY sublayer of the received RF power in the channel measured over the PLCP preamble and over the entire received frame. RCPI is a monotonically increasing, logarithmic function of the received power level defined in dBm. | 06-17-2010 |
Joseph A. Kwak, Hawkesbury CA
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20100110991 | USER EQUIPMENT FOR PHYSICAL LAYER AUTOMATIC REPEAT REQUEST - A user equipment for physical layer automatic repeat request is disclosed. The user equipment comprises a higher layer automatic repeat request (ARQ) mechanism, a physical layer transmitter, a physical layer receiver, an acknowledgment (ACK) transmitter and an adaptive modulation and control unit (AMC). A higher layer ARQ mechanism generates data for transmission. A physical layer transmitter receives the data for transmission from the higher layer ARQ mechanism, to format the received data into packets for transmission. A physical layer receiver receives and demodulates received packets and retransmission statistics. An ACK transmitter transmits a corresponding acknowledgment for a given packet at the physical layer receiver. An AMC unit adjusts a particular encoding/data modulation of each packet using collected retransmission statistics. | 05-06-2010 |
20100202315 | METHOD AND APPARATUS FOR NETWORK MANAGEMENT USING PERIODIC MEASUREMENTS OF INDICATORS - A beacon signal used in data communications, such as the IEEE 802.11, is provided with data extensions. The data extensions permit additional information to be provided by the beacon signal, thereby reducing the traffic overhead of the network. The data extensions further permit handoffs and handoffs based on offset values. Periodic beacon requests are made during connection between a wireless transmit/receive unit (WTRU) and an access point (AP) on a WLAN. A Measurement Request field corresponding to a beacon request contains a measurement duration value and channel number for which the request applies. The beacon request permits a scan mode which includes “Active Scan” mode, “Passive Scan” mode and “Beacon Table” mode. In Active Scan mode, the measuring station (STA) transmits a probe request with a broadcast SSID. In Passive Scan mode, the measuring STA passively receives on the specified channel and return a beacon report containing one information element for each STA from which it detects a beacon or probe response. In Beacon Table mode, the measuring STA returns a beacon report containing the current contents of its beacon table without performing additional measurements. | 08-12-2010 |
20100220687 | SPECTRUM MANAGEMENT ACROSS DIVERSE RADIO ACCESS TECHNOLOGIES - A network management node may manage a network of base stations and wireless transmit/receive units (WTRUs) that operate using diverse radio access technologies. The network management node may communicate with other network management nodes to manage spectrum usage across their respective managed networks. The network management node may acts as a proxy for cellular-capable WTRUs that operate within the managed networks. The network management node may perform handovers of Peer-to-Peer (P2P) groups that operate within the managed networks. The WTRUs may include WTRUs that operate at Very High Frequency (VHF) or Ultra High Frequency (UHF) spectrum (“white space”) frequencies. | 09-02-2010 |
20100311373 | RECEIVED SIGNAL TO NOISE INDICATOR - A method and device may be used to produce a received interference value in wireless communications. A wireless transmit/receive unit comprising a radio frequency signal measurement device may be configured to produce a value indicating a radio frequency signal, noise and interference received power. An average noise plus interference measuring device may be configured to produce a value indicating a measured average noise plus interference metric. A received signal to noise indication calculation device may be configured to calculate a received signal to noise indicator from the value indicating a radio frequency signal, noise and interference received power and the value may indicate a measured average noise plus interference metric. | 12-09-2010 |
20110019104 | TELEVISION BAND (TVBD) CHANNEL QUIETING ACROSS DIVERSE RADIO ACCESS TECHNOLOGIES - Disclosed herein are methods and apparatus for the communication of wireless data using diverse radio access technologies (RATs) in Television Band (TVBD) frequencies. An architecture for communicating wireless data in TVBD frequencies may include one or more network nodes that perform functions related to the coordination of channel quieting across multiple diverse RATs. Channel quieting may be performed across multiple diverse RATs by using temporary channel reassignments, by aggregating wireless transmit/receive units (WTRUs) that use a particular RAT onto the same channel, and/or via other techniques. | 01-27-2011 |
20110305139 | METHOD AND APPARATUS FOR DETERMINING AND MANAGING CONGESTION IN A WIRELESS COMMUNICATIONS SYSTEM - A method and apparatus may be used for network management via MAC measurements. The measurements may include WTRU uplink traffic loading measurement, and an AP service loading measurement. The measurements may be applicable to at least to layers | 12-15-2011 |
20120120928 | USER EQUIPMENT FOR PHYSICAL LAYER AUTOMATIC REPEAT REQUEST - A user equipment for physical layer automatic repeat request is disclosed. The user equipment comprises a higher layer automatic repeat request (ARQ) mechanism, a physical layer transmitter, a physical layer receiver, an acknowledgment (ACK) transmitter and an adaptive modulation and control unit (AMC). A higher layer ARQ mechanism generates data for transmission. A physical layer transmitter receives the data for transmission from the higher layer ARQ mechanism, to format the received data into packets for transmission. A physical layer receiver receives and demodulates received packets and retransmission statistics. An ACK transmitter transmits a corresponding acknowledgment for a given packet at the physical layer receiver. An AMC unit adjusts a particular encoding/data modulation of each packet using collected retransmission statistics. | 05-17-2012 |
20120140756 | METHOD AND SYSTEM FOR TRANSFERRING INFORMATION BETWEEN NETWORK MANAGEMENT ENTITIES OF A WIRELESS COMMUNICATION SYSTEM - A method and wireless communication system may be used for transferring management information. An access point (AP) may transmit a management information base (MIB) information request including a category field and an action details field to a wireless transmit/receive (WTRU). In response to receiving the information request, the WTRU may determine whether or not to provide management information to the AP. When the WTRU provides management information to the AP, the WTRU may compile management information stored in a MIB located in the WTRU and transmit a MIB information report to the AP. The MIB may list a plurality of tables containing information associated with radio resource management (RRM) and at least one table containing physical layer measurements. The AP may include a MIB for storing MIB information of the WTRU. The AP may transmit the stored MIB information of the WTRU in response to a request. | 06-07-2012 |
20120142390 | RECEIVED SIGNAL TO NOISE INDICATOR - A method and device may be used to produce a received interference value in wireless communications. The device may include one or more components to measure a received power of a channel and measure an average noise plus interference power of the channel. The device may include a processor configured to calculate a received signal to noise indicator (RSNI) value. The RSNI may be based on the measured received power and the measured average noise plus interference power. | 06-07-2012 |
20120178407 | SUPPORTING EMERGENCY CALLS ON A WIRELESS LOCAL AREA NETWORK - A method and device may be used for selecting a network for initiating an emergency call. The network selection may be based on stored information and/or a network connection status. The stored information may include a network priority for placing the emergency call. | 07-12-2012 |
20120307663 | METHOD AND APPARATUS FOR NETWORK MANAGEMENT USING PERIODIC MEASUREMENTS OF INDICATORS - A beacon signal may be provided with data extensions. The data extensions permit additional information to be provided by the beacon signal, thereby reducing the traffic overhead of the network. The data extensions further permit handoffs and handoffs based on offset values. A Measurement Request field corresponding to a beacon request contains a measurement duration value and channel number for which the request applies. The beacon request permits a scan mode. In Active Scan mode, the measuring station (STA) transmits a probe request with a broadcast SSID. In Passive Scan mode, the measuring STA passively receives on the specified channel and return a beacon report containing one information element for each STA from which it detects a beacon or probe response. In Beacon Table mode, the measuring STA returns a beacon report containing the current contents of its beacon table without performing additional measurements. | 12-06-2012 |
20130165054 | METHOD AND APPARATUS FOR MEASURING INTERFERENCE IN WIRELESS STATIONS - A method for use in a station of measuring radio frequency (RF) interference is presented. An average noise power indicator of the STA (STA_ANPI) is determined. A rate of change of the STA_ANPI is monitored to determine an RF interference metric. The RF interference metric is transmitted to another network entity, whereby the another network entity is enabled to perform load balancing based on the RF interference metric. | 06-27-2013 |
20130231121 | TELEVISION BAND (TVBD) CHANNEL QUIETING ACROSS DIVERSE RADIO ACCESS TECHNOLOGIES - A method and system is disclosed for communicating data using diverse radio access technologies (RATs) in a wireless communication system. A wireless transmit/receive unit (WTRU) may transmit data over a first channel using a first radio access technology (RAT) and a network node may receive information that indicates that the WTRU is operating on the first channel using the first RAT. The network node may determine, based on the RAT being used by the WTRU, that the WTRU should move to a second channel prior to a quiet period on the first channel. The network node may transmit a first command to the WTRU that indicates that the WTRU should move to the second channel. The WTRU may move from the first channel to the second channel in response to receiving the first command and the WTRU may transmit data over the second channel using the first RAT. | 09-05-2013 |
20130242876 | SYSTEM AND METHOD FOR RECEIVED CHANNEL POWER INDICATOR (RCPI) MEASUREMENT - A received channel power indicator (RCPI) value is used as a measure of the received RF power in the selected channel, measured at the antenna connector. This parameter is a measure by the PHY sublayer of the received RF power in the channel measured over the PLCP preamble and over the entire received frame. RCPI is a monotonically increasing, logarithmic function of the received power level defined in dBm. | 09-19-2013 |
20130329590 | RECEIVED SIGNAL TO NOISE INDICATOR - A method and device may be used to produce a received interference value in wireless communications. The device may include one or more components to measure a received power of a channel and measure an average noise plus interference power of the channel. The device may include a processor configured to calculate a received signal to noise indicator (RSNI) value. The RSNI may be based on the measured received power and the measured average noise plus interference power. | 12-12-2013 |
Kwang-Lae Kwak, Seoul KR
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20130070575 | ALARM METHOD AND APPARATUS IN PORTABLE TERMINAL - An alarm method in a portable terminal is provided, including setting an alarm by setting an alarm time, setting output information to be output at the alarm time, and setting an output device for receiving and displaying the output information; outputting a preset alarm sound when the set alarm time arrives, and obtaining the output information to be output at the alarm time; and transmitting the obtained output information to the set output device. | 03-21-2013 |
20140298274 | METHOD AND ELECTRONIC DEVICE FOR PROCESSING DATA - An electronic device and method for not exposing a memo to the others when delivering a corresponding memo in the electronic device to a specific user are disclosed. An electronic device for processing data includes at least one processor, a memory, and at least one program stored in the memory and executed by the at least one processor, wherein the program causes the at least one processor to receive data from a user, detect a user's gesture, and transform a form of the data based on the detected user's gesture. A method in an electronic device includes receiving a memo from a user, framing a memo with a memo frame, detecting a user's gesture and transforming a form of the memo frame based on the detected user's gesture. | 10-02-2014 |
Kyu-Sub Kwak, Seoul KR
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20130042904 | SOLAR CELL MODULE - A solar cell module includes a window unit integrally formed with a transparent substrate unit, a plurality of solar cells, and an electrode unit electrically connected to the solar cells. The solar cells and the electrode unit are provided in the transparent substrate unit. | 02-21-2013 |
20140086345 | NEAR FIELD WIRELESS TRANSMISSION/RECEPTION METHOD AND APPARATUS - A near field wireless communication apparatus using a magnetic coupling to transmit data or clock information with low power and high efficiency is provided. Thus, when data to be transmitted is “1,” the near field wireless communication apparatus modulates the data into a pulse signal and transmits the pulse signal, and when the data is “0,” the near field wireless communication apparatus does not generate a signal at all. | 03-27-2014 |
20140152405 | COUPLER STRUCTURE OF MOBILE TERMINAL AND MOBILE TERMINAL INCLUDING THE SAME - A coupler structure of a mobile terminal having a repeater applied thereto is provided. The coupler structure includes a first substrate having a reception coupler, a second substrate having a transmission coupler, and a repeater disposed between the first substrate and the second substrate. | 06-05-2014 |
Lawrence Kwak, Richmond Hill CA
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20110164065 | Method And Apparatus For Configuring Display Bezel Compensation For A Single Large Surface Display Formed By A Plurality Of Displays - A method includes displaying, on a single large surface display, a first moveable and second fixed portion of a visual test object. The first portion is displayed on the display to be configured and the second portion is displayed on at least one neighboring display, and are shown in a relative orientation adjacent to a common border formed by a first bezel of the display to be configured and a second bezel of the at least one neighboring display, and any space in between. The method obtains bezel compensation configuration information in response to input aligning the first portion with the second portion. A user may provide input by moving the first portion to align it with the second portion so that a third portion of the visual test object appears hidden by the common border. The object therefore appears aligned “behind” the bezel. | 07-07-2011 |
Lawrence S. Kwak, Richmond Hill CA
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20120066624 | METHOD AND APPARATUS FOR CONTROLLING MOVEMENT OF GRAPHICAL USER INTERFACE OBJECTS - A method and apparatus provides for controlling movement of one or more graphical user interface (GUI) objects such as a cursor and/or a window. In one example, the method and apparatus applies a warp operation to the GUI object that uses display content information to determine where to move the cursor and/or window. The destination position of the GUI object is determined based on content identification information associated with display content such as name, serial number or label that identifies the display content. The display content may be any visible object to be displayed on the display screen, including but is not limited to, windows, taskbars, sidebars, docks, program launchers, icons, controls, and background (wallpaper). The warp operation may be an immediate relocation of the GUI object to the destination position without any user intervention during the relocation. | 03-15-2012 |
20120066640 | APPARATUS FOR PROVIDING MULTI-MODE WARPING OF GRAPHICAL USER INTERFACE OBJECTS - Apparatus provides for providing multi-mode warping of graphical user interface (GUI) objects, such as but not limited to a pointing object (e.g., cursor) and a window. In one example, the apparatus includes logic operative to provide a user interface that allows a user to select different warping modes. In one example, a user may select a pointing object warping mode and/or a window warping mode. In the pointing object warping mode, the apparatus applies a warp operation to one or more pointing objects that uses display content information to determine where to move the pointing object. In the window warping mode, the apparatus applies a warp operation to one or more windows that also uses display content information to determine where to move the window. The destination position of the GUI object is determined based on content identification information associated with display content such as name, serial number or label that identifies the display content. | 03-15-2012 |
Min-Chul Kwak, Seoul KR
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20120023496 | TERMINAL DEVICE OF NON-ANDROID PLATFORM FOR EXECUTING ANDROID APPLICATIONS, AND COMPUTER READABLE RECORDING MEDIUM FOR STORING PROGRAM OF EXECUTING ANDROID APPLICATIONS ON NON-ANDROID PLATFORM - Provided is a terminal device having a VM-based layer structure for executing heterogeneous applications. The terminal device includes: an application layer module including a first application and a second application; a platform layer module connected to a terminal processor and configured to operate the first application; and a middleware module configured to connect the platform layer module and the second application. | 01-26-2012 |
20130082949 | METHOD OF DIRECTLY INPUTTING A FIGURE ON AN ELECTRONIC DOCUMENT - The present invention relates to a technology for directly inputting figures on electronic documents, and more particularly, to a technology for directly inputting figures on electronic documents in which a rough figure which is roughly inputted using direct input means (e.g., handwriting, mouse, digitizer) is automatically converted into a regular figure object by considering preset figure templates, thereby improving figure usage and quality in electronic documents. | 04-04-2013 |
Mi-Sun Kwak, Koyang-Si KR
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20120230965 | Novel Microorganism Bacillus megaterium Toha Producing L-Type Poly-Gamma-Glutamic Acid and L-Type Poly-Gamma-Glutamic Acid Produced Thereby - The present invention relates to a novel microorganism producing L-type poly-gamma-glutamic acid and an L-type poly-gamma-glutamic acid produced thereby and, more particularly, to | 09-13-2012 |
Mu Shin Kwak, Hwaseong KR
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20130147404 | DC-DC CONVERTER SYSTEM OF AN ELECTRIC VEHICLE AND CONTROL METHOD THEREOF - Disclosed is a DC/DC converter system that, after calculating required voltages of the first and second motors based on the magnetic flux and speeds of the first and second motors, the voltage supplied to inverters is controlled by a final voltage command determined as a larger value of the battery voltage and the final required voltage. In particular, the final required voltage is determined as a larger value of the required voltages of the first and second motors. | 06-13-2013 |
20130147417 | SYSTEM AND METHOD FOR CONTROLLING MOTOR OF ELECTRIC VEHICLE - Disclosed are a system and a method for controlling a motor of an electric vehicle. In particular, an output voltage from a battery used to provide power to a motor of an electric vehicle, a speed and a torque of the motor are used to generate a magnetic flux based current control map. A current control command is then generated using the magnetic flux based current control map. | 06-13-2013 |
20130147459 | METHOD FOR CORRECTING CURRENT OF PWM CONVERTER - The present invention relates to a method for compensating a current of a DC/DC converter that detects an average value of a pulsatory current that is output as a chopping wave form from an inductor that is used in a DC/DC converter to compensate an offset value in real time. A method for compensating a current of a DC/DC converter can include analyzing a PWM signal for a switching DC-DC converter, if the PWM signal is on, comparing a delay time with a rise half cycle size between a detected current and a real current that is output by an inductor, calculating a current variation amount and determining an offset compensation value for compensating a current variation amount according to the comparison result of the rise half cycle size and the delay time, and applying the offset compensation value to compensate the detected current of the inductor. | 06-13-2013 |
20140103843 | INVERTER CONTROL METHOD AND SYSTEM FOR ECO-FRIENDLY VEHICLE - Provided is an inverter control system and method for an eco-friendly vehicle, by which overall improvements can be obtained in terms of switching loss, electromagnetic performance, noise-vibration-harshness (NVH) performance, control stability, and so forth, when compared to a conventional case in which one fixed switching frequency and one fixed sampling frequency are used over the entire operation area. To this end, the inverter control method for an eco-friendly vehicle which generates a pulse width modulation (PWM) signal according to a switching frequency and a sampling frequency and controls ON/OFF driving of a switching element, in which a controller changes and sets the switching frequency according to a current motor speed, changes and sets a sampling frequency according to the switching frequency, and controls on/off driving of a switching element according to the switching frequency corresponding to the motor speed and the sampling frequency. | 04-17-2014 |
20140103854 | INVERTER CONTROL METHOD AND SYSTEM FOR ECO-FRIENDLY VEHICLE - Disclosed is an inverter control system and method for an eco-friendly vehicle, by which overall improvements can be obtained in terms of switching loss, electromagnetic performance, noise-vibration-harshness (NVH) performance, control stability, and so forth, when compared to a conventional case in which one fixed switching frequency and one fixed sampling frequency are used over the entire operation area. To this end, the inverter control method for an eco-friendly vehicle which generates a pulse width modulation (PWM) signal according to a switching frequency and a sampling frequency and controls ON/OFF driving of a switching element, in which a controller changes and sets the switching frequency according to a current motor speed, changes and sets a sampling frequency according to the switching frequency, and controls on/off driving of a switching element according to the switching frequency corresponding to the motor speed and the sampling frequency. | 04-17-2014 |
20150054469 | CHARGING CONTROL METHOD AND SYSTEM FOR ENVIRONMENTALLY FRIENDLY VEHICLE - A charging control method and system for an environmentally friendly vehicle are provided and promote the enhancement of charging efficiency by improving a power control method of a power factor correction (PFC) converter while a battery is being charged through an on board charger (OBC) in vehicle. The method sensing, by a voltage detector, a battery voltage during charging and calculating, by a controller, a target value to maintain an output voltage of the PFC converter. The target value is calculated from the sensed battery voltage and the maximum available duty value of the DC-DC converter. The output voltage of the PFC converter is maintained, based on the calculated target value. | 02-26-2015 |
No Jun Kwak, Suwon KR
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20120300457 | LIGHT-EMITTING DEVICE - There is provided a light-emitting device including a substrate body, a winding pattern unit including a plurality of mounting parts formed as conductive thin films covering a portion of an upper surface of the substrate body and spaced apart from one another and a connection line formed to have a width narrower than that of each of the mounting parts so as to electrically connect the plurality of mounting parts and light sources, at least one light source being disposed on at least one of the plurality of mounting parts. | 11-29-2012 |
No Kyun Kwak, Seoul KR
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20120034390 | METHOD OF FORMING HIERARCHICAL MICROSTRUCTURE USING PARTIAL CURING - Disclosed is a method of forming a hierarchical microstructure using partial curing, which is simple in the manufacturing process and capable of forming a hierarchical structure without heterogeneous interfaces. To this end, there is provided a method of forming a hierarchical microstructure using partial curing, including forming a first polymer pattern having partial curing layers and forming a second polymer pattern on the first polymer pattern by using the partial curing layers. According to the present invention, a microstructure having various hierarchical structures can be formed by using a simple process. Accordingly, efficiency in various processes in which a microstructure having various hierarchical structures needs to be formed and economic efficiency can be improved. Furthermore, new functional materials, having not only super hydrophobicity, but also a high adhesive property even in a rough surface, can be developed. | 02-09-2012 |
Sanggil Kwak, Cheonan-Si KR
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20130258246 | LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a light guide plate, a light source, first and second liquid crystal display panels, a main circuit board, and a heat discharging member. The light guide plate includes first and second exiting surfaces, and a side surface extending from the first and second exiting surfaces. The light source faces the side surface and provides light to the side surface. The first and second liquid crystal display panels receive the light exiting from the first and second exiting surfaces, respectively. The main circuit board applies an electrical signal to at least one of the first and second liquid crystal display panels. The light source and the main circuit board are mounted on the heat discharging member, and the heat discharging member discharges heat generated by the light source. | 10-03-2013 |
Sang Gil Kwak, Seoul KR
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20120021809 | TILT SLIDE MODULE AND MOBILE COMMUNICATION TERMINAL HAVING THE SAME - A tilt slide module and a mobile communication terminal having the same includes a lower slide plate, an upper slide plate coupled to the lower slide plate to move in a sliding manner with respect to the lower slide plate wherein the upper slide plate is overlapped with the lower slide plate, a fixing piece wherein a hinge shaft is inserted in a hole provided thereon, and a tilt guide coupled to the fixing piece by the hinge shaft to be rotated about the hinge shaft. | 01-26-2012 |
Sang-Heon Kwak, Goyang-Si KR
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20120060226 | METHOD FOR AUTHORIZING USE OF AUGMENTED REALITY (AR) INFORMATION AND APPARATUS - A method for authorizing use of Augmented Reality (AR) information includes acquiring information regarding a location at which the AR information is to be provided, authorizing a user to use the AR information, creating attribute information including the AR information, the location information, and authority information, and transmitting the attribute information to an AR system. The AR system can register the attribute information, and can provide the AR information only to authorized users. An apparatus to authorize use of Augmented Reality (AR) information includes a location information acquiring unit, an authorization unit to authorize a user to use the AR information, and an AR information processor to create attribute information. The attribute information is transmitted to an AR system as a request for the AR system to register the attribute information so the AR system provides the AR information only to authorized users. | 03-08-2012 |
Sang Hoon Kwak, Gwacheon KR
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20120292989 | CONTROL OF A CONVERTER FOR AN ELECTRIC VEHICLE - Control of a converter for an electric vehicle may control the converter of the electric vehicle where the converter is adapted to drop voltage and a counting unit is adapted to count a signal generated by the converter. The control includes inputting a signal generated by the converter to the counting unit during operation of the converter; counting the signal by the counting unit; determining whether a counting result of the counting unit corresponds to a predetermined interval; and deciding that the converter is out-of-order in a case that the counting result does not correspond to the predetermined interval. | 11-22-2012 |
20140195081 | SYSTEM AND METHOD FOR INCIPIENT DRIVE OF SLOW CHARGER FOR A VEHICLE WITH ELECTRIC MOTOR - Disclosed herein is a system and method for incipient drive of a slow charger for a vehicle. Specifically, an incipient drive entry of the slow charger used when a battery is charged in an electric vehicle (EV) or a plug-in hybrid electric vehicle (PHEV) may be performed. The method includes operating, by a controller, a regulator by outputting a control pilot (CP) signal from electric vehicle supply equipment (EVSE). Additionally, the method includes operating, by the controller, a flip-flop by outputting a driving signal from the regulator and operating a switching mode power supply (SMPS) by outputting a driving signal from the flip-flop. The method further includes resetting, by the controller, the flip-flop by outputting a reset signal from a central processing unit (CPU) turned on by the SMPS. | 07-10-2014 |
Sangki Kwak, Asan-Si KR
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20120194773 | DISPLAY APPARATUS AND DISPLAY SET HAVING THE SAME - A display apparatus includes: a substrate including display areas and a non-display area disposed around edges of the display areas; gate lines disposed in the display areas; data lines disposed in the display areas and crossing the gate lines; pixels disposed in the display areas and connected to the gate lines and data lines; and a gate driver disposed in the peripheral area, between the display areas. The gate driver is connected to the gate lines, to output gate signals to the gate lines. | 08-02-2012 |
Sang Soo Kwak, Seoul KR
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20120001307 | Lead Frame and Method For Manufacturing the Same - A lead frame comprises: a base metal layer; a copper plating layer, including one of a copper layer and an alloy layer including a copper, configured to plate the based metal layer to make a surface roughness; and an upper plating layer, including at least one plating layer including at least one selected from the group of a nickel, a palladium, a gold, a silver, a nickel alloy, a palladium alloy, a gold alloy, and a silver alloy, configured to plate the copper plating layer. | 01-05-2012 |
Seungjoo Kwak, Hwasung KR
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20120241964 | INTEGRATED CIRCUIT PACKAGING SYSTEM WITH INTERCONNECTS AND METHOD OF MANUFACTURE THEREOF - A method of manufacture of an integrated circuit packaging system includes: providing a package carrier having a carrier top side; mounting an integrated circuit over the carrier top side; attaching a bottom attachment directly on the integrated circuit; dragging a sandwich connector from the bottom attachment, the sandwich connector having a connector diameter; and attaching a top attachment directly on the sandwich connector, the top attachment wider than the bottom attachment. | 09-27-2012 |
Seungsik Kwak, Oakville CA
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20110215151 | Method and Apparatus for Correcting Decoding Errors in Machine-Readable Symbols - The present invention is a system and method for decoding an image of a bar code. Decoding the barcode includes tokenizing a plurality of pixels in the image of the barcode based upon a plurality of thresholds to form a first set of tokens. Decoding the barcode also includes re-tokenizing the plurality of pixels in the image of the barcode based upon the intensity of the pixels in the plurality of tokens, and the relativity intensity of neighboring tokens, to form a second set of tokens. | 09-08-2011 |
20110215152 | Method and Apparatus for Creating Pixel Tokens from Machine-Readable Symbols to Improve Decoding Accuracy in Low Resolution Images - The present invention is directed towards systems and methods for decoding a bar code. Decoding the bar code includes segmenting the bar code into black tokens, white tokens and gray boundary pixels. Decoding the bar code also includes calculating a boundary position of each token with sub-pixel positional accuracy using intensity values of pixels in a boundary region. | 09-08-2011 |
Soo Young Kwak, Seoul KR
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20130022626 | LONG-ACTING HUMAN FOLLICLE-STIMULATING HORMONE FORMULATION USING IMMUNOGLOBULIN FRAGMENT - The present invention relates to a long-acting human follicle-stimulating hormone formulation having improved in vivo duration and stability, comprising a human follicle-stimulating hormone conjugate that is prepared by covalently linking human follicle-stimulating hormone with an immunoglobulin Fc region via a non-peptidyl polymer, and a preparation method thereof. The long-acting human follicle-stimulating hormone formulation of the present invention maintains in vivo activity of human follicle-stimulating hormone at a relatively high level and remarkably increases the serum half-life thereof. | 01-24-2013 |
So Young Kwak, Seoul KR
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20130234942 | Systems and Methods for Modifying Virtual Keyboards on a User Interface - A method and apparatus for modifying virtual keyboards is disclosed. An electronic device displays ( | 09-12-2013 |
Sung-Hoon Kwak, Daegu KR
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20120166147 | METHOD FOR GENERATING DIGITAL INTERIOR MAP - Disclosed herein is a method of generating a digital interior map. The method includes applying a coordinate system for a drawing of an interior of a structure using an electronic device, extracting center coordinate information of each sectional space of the interior of the structure and entrance coordinate information of entrances between floors and from an outside, generating, in the drawing, a circulation path in the interior of the structure, extracting interest points at preset intervals along the circulation path in the interior of the structure, and setting coordinate information and attribute information of each of the interest points. | 06-28-2012 |
20140164029 | CHECK-IN APPARATUS AND METHOD FOR DETERMINING VISIT TO SHOP IN REAL TIME AND PROVIDING REWARD - Disclosed herein are a check-in apparatus and method. The apparatus includes a sound wave signal reception unit and an information processing unit. The sound wave signal reception unit receives a sound wave signal from a customer's mobile communication device, and restores an ID from the received sound wave signal. The information processing unit extracts customer information and check-in date and time information from the ID restored by the sound wave signal reception unit, generates check-in information by combining the extracted information with shop information and apparatus information stored in the check-in apparatus, and transmits the generated check-in information to a check-in server. | 06-12-2014 |
Sung-Hyo Kwak, Ulsan KR
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20130140929 | EXPLOSION-PROOF, COMPOUND ELECTRIC MOTOR - Provided is a combined explosion-proof electromotor, which includes a body in which an interior space is formed and whose one end is open in an axial direction, a terminal box whose one end is open in the axial direction so as to face the open end of the body and in which a space is formed to hold terminal cables extending from the outside, and a middle plate that is disposed between the opposing ends of the body and the terminal box which are connected by separate fastening means and that includes terminal insertion holes through which ends of the terminal cables are inserted into the body. | 06-06-2013 |
Taehee Kwak, Seoul KR
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20120186284 | REFRIGERANT SYSTEM AND METHOD FOR CONTROLLING THE SAME - A refrigerant system, includes: an air conditioner configured to condition air in a building by using a first refrigerant cycle; a cooler configured to cool air in a storage compartment of the building by using a second refrigerant cycle; and a refrigerant heat exchanger configured to exchange heat between a refrigerant of the air conditioner and a refrigerant of the cooler, wherein the cooler includes a main compressor and an auxiliary compressor configured to backup the main compressor. | 07-26-2012 |
20130180276 | CASCADE HEAT PUMP - Provided is a cascade heat pump. The cascade heat pump includes a first refrigerant cycle including a first compressor and a first indoor heat exchanger, a second refrigerant cycle including a second compressor and a second indoor heat exchanger, an outdoor heat exchanger in which a refrigerant compressed in the first compressor or the second compressor is condensed, a bypass tube allowing the refrigerant compressed in the second compressor to bypass the first compressor, thereby flowing into a discharge side of the first compressor, and a first flow rate regulating part disposed on a discharge side of the second compressor to introduce the refrigerant discharged from the second compressor into one of the first compressor and the bypass tube. | 07-18-2013 |
20140083122 | INTEGRAL AIR CONDITIONING SYSTEM FOR HEATING AND COOLING - An air conditioner includes a first compressor and a first indoor heat exchanger, and the air conditioner forming a first refrigeration cycle. A cooler includes a second compressor and a second indoor heat exchanger, and the cooler forming a second refrigeration cycle The cooler includes a sensing part to detect a pressure and/or temperature of a refrigerant circulating in the second refrigeration cycle; and a branch part includes a plurality of branches for dividing the refrigerant to be introduced into the second heat exchange part. | 03-27-2014 |
20150007598 | COOLING SYSTEM AND CONTROL METHOD THEREOF - A cooling system and a control method thereof are provided. The cooling system may include a first compressor, a second compressor disposed downstream of the first compressor, an outdoor heat exchanger the performs heat exchange between refrigerant compressed in the first and/or second compressor and external air, an expansion device that decompresses the refrigerant condensed in the outdoor heat exchanger, a cooling evaporator evaporating the refrigerant decompressed in the expansion device, a bypass tube that guides refrigerant compressed in the first compressor to the outdoor heat exchanger, bypassing the second compressor, and a valve device controlling the flow of refrigerant discharged from the first compressor so as to selectively introduce refrigerant into the second compressor. | 01-08-2015 |
Taek-Soo Kwak, Uiwang-Sii KR
Patent application number | Description | Published |
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20120164382 | COMPOSITION FOR FORMING A SILICA LAYER, METHOD OF MANUFACTURING THE COMPOSITION, SILICA LAYER PREPARED USING THE COMPOSITION, AND METHOD OF MANUFACTURING THE SILICA LAYER - A composition for forming a silica layer, a method of manufacturing the composition, a silica layer prepared using the composition, and a method of manufacturing the silica layer, the composition including hydrogenated polysilazane, hydrogenated polysiloxazane, or a combination thereof, wherein a concentration of a sum of hydrogenated polysilazane and hydrogenated polysiloxazane having a weight average molecular weight, reduced to polystyrene, of greater than or equal to about 50,000 is about 0.1 wt % or less, based on a total amount of the hydrogenated polysilazane and hydrogenated polysiloxazane. | 06-28-2012 |
Woo Chul Kwak, Ansan-Si KR
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20120132888 | LIGHT EMITTING DEVICE AND METHOD OF FABRICATING THE SAME - A light emitting device includes a metal backing layer, a reflective electrode layer disposed on the metal backing layer, and a plurality of nanorods disposed on the reflective electrode layer. Each nanorod includes a p-semiconductor layer, an active layer, and an n-semiconductor layer, which are sequentially stacked on the reflective electrode layer. The light emitting device further includes an anti-reflection electrode layer disposed on the nanorods, and quantum dots disposed between the nanorods. The method includes sequentially growing the n-semiconductor layer, the active layer, and the p-semiconductor layer on a substrate; forming the nanorods by etching the p-semiconductor layer using a mask pattern; sequentially forming the reflective electrode layer and the metal backing layer on the p-semiconductor layer and then removing the substrate; disposing quantum dots between the nanorods; and forming the anti-reflection electrode layer on the nanorods. | 05-31-2012 |
20140151713 | METHOD OF GROWING NITRIDE SEMICONDUCTOR LAYER, NITRIDE SEMICONDUCTOR DEVICE, AND METHOD OF FABRICATING THE SAME - Exemplary embodiments of the present invention provide a method of growing a nitride semiconductor layer including growing a gallium nitride-based defect dispersion suppressing layer on a gallium nitride substrate including non-defect regions and a defect region disposed between the non-defect regions, and growing a gallium nitride semiconductor layer on the defect dispersion suppressing layer. | 06-05-2014 |
20140162437 | METHOD OF GROWING GALLIUM NITRIDE BASED SEMICONDUCTOR LAYERS AND METHOD OF FABRICATING LIGHT EMITTING DEVICE THEREWITH - Exemplary embodiments of the present invention relate to a method of growing gallium nitride-based semiconductor layers through metal-organic chemical vapor deposition, including disposing a substrate in a chamber, growing a first conductivity-type gallium nitride-based semiconductor layer on the substrate at a first chamber pressure, growing a gallium nitride-based active layer on the first conductivity-type gallium nitride-based semiconductor layer at a second chamber pressure higher than the first chamber pressure, and growing a second conductivity-type gallium nitride-based semiconductor layer on the active layer at a third chamber pressure lower than the second chamber pressure. | 06-12-2014 |
Yeong Chan Kwak, Bucheon KR
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20120317725 | Senior Friendly Shower Carrier - There is disclosed a senior-friendly shower carrier comprising a bed; a housing part comprising a second housing, a first housing coupled to a lower portion of the bed to elevate to an upper portion of the second housing and a third housing that elevates to a lower portion of the second housing; a first elevating module comprising a driving motor having a shaft provided therein, a fixing part, a power transmitting part which transmits a rotational force of the shaft to the fixing part, and a moving part which elevates the first housing upwardly, moving along the rotation of the fixing part upwardly and downwardly; and a second elevating module comprising a driving motor having a shaft provided therein, a fixing part, a power transmitting part which transmits a rotational force of the shaft to the fixing part, and a moving part which elevates the third housing downwardly. | 12-20-2012 |
Yoonhyun Kwak, Gangnam-Gu KR
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20130150527 | POLYMERS WITH CARBAZOLE STRUCTURAL UNITS - The present invention relates to polymers containing at least one carbazole structural unit of the general formula (I) where Ar1, Ar2, Ar3 is each, independently of one another, denote an aryl or heteroaryl | 06-13-2013 |
Young Hoon Kwak, Suwon KR
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20130047369 | Air blower assembly - There is provided an air blower assembly removing foreign objects, or the like, attached to an object to be cleaned by blowing high pressure air. The air blower assembly includes: a frame; and a nozzle fixed to the frame and having one end to be connected to the blower to remove foreign objects by air blowing to the other end, wherein the nozzle is an elastic body that moves freely by air blowing. | 02-28-2013 |
20130270689 | SEMICONDUCTOR PACKAGE, SEMICONDUCTOR MODULE, AND MOUNTING STRUCTURE THEREOF - Provided are a semiconductor package capable of packaging and modularizing power semiconductor devices which are difficult to integrate due to heat generation, a semiconductor package module using the same, and a mounting structure thereof. The semiconductor package includes: a common connection terminal formed to have a flat plate shape; first and second electronic devices respectively bonded to both surfaces of the common connection terminals; first and second connection terminals having a flat plate shape and bonded to the first electronic device; and a third connection terminal having a flat plate shape and bonded to the second electronic device. | 10-17-2013 |
20130314870 | HEAT DISSIPATION SYSTEM FOR POWER MODULE - Disclosed herein is a heat dissipation system for a power module, including: a manifold including an inlet and an outlet and formed so as to be opened at a surface thereof contacting a nozzle member; a nozzle member formed at an upper portion of the manifold and including inclined nozzles through which a cooling medium introduced through the inlet of the manifold passes; and a nozzle chamber formed on the nozzle member and forming a spacing space spaced from the nozzle member. | 11-28-2013 |
20140110830 | SEMICONDUCTOR PACKAGE - Disclosed herein is a semiconductor package, including: a first heat radiating plate; a second heat radiating plate formed below the first heat radiating plate; a heat radiating lead formed above the first heat radiating plate and having both ends contacted with the second heat radiating plate; an insulating layer formed above the heat radiating lead; at least one power device formed above the insulating layer; and at least one control device formed above the insulating layer. | 04-24-2014 |
20140116670 | HEAT SINK AND COOLING SYSTEM INCLUDING THE SAME - Disclosed herein is a heat sink including: a heat radiation pattern member having at least one bend cross section; and a heat radiation plate having the heat radiation pattern member disposed on an upper surface thereof, wherein the heat radiation pattern member includes wire patterns having a plurality of bends or a mesh bend pattern having a form of a plurality of bent cross sections. | 05-01-2014 |
20140117522 | SEMICONDUCTOR PACKAGE - There is provided a semiconductor package including: a lead frame having an electronic component mounted on one surface thereof; a heat dissipation substrate disposed downwardly of the lead frame; an insulating member disposed upwardly of the electronic component such that the electronic components are electrically connected to one another; a conductive member disposed between the insulating member and the lead frame and electrically connecting the electronic component to the lead frame; and a molded portion hermetically sealing the insulating member and the heat dissipation substrate. | 05-01-2014 |
20140117525 | POWER MODULE PACKAGE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a power module package including: a base substrate; a metal layer including a circuit pattern and a connection pad formed on the base substrate; a semiconductor device including a plurality of electrodes mounted on the circuit pattern of the metal layer; and a plurality of lead frames formed on the connection pad of the metal layer and respectively connected to the plurality of electrodes of the semiconductor device. | 05-01-2014 |
20140118956 | ALL-IN-ONE POWER SEMICONDUCTOR MODULE - Disclosed herein is an all-in-one power semiconductor module including a plurality of first semiconductor devices formed on a substrate; a housing molded and formed to include bridges formed across upper portions of the plurality of first semiconductor devices; and a plurality of lead members integrally formed with the housing and electrically connecting the plurality of first semiconductor devices and the substrate. | 05-01-2014 |
20140118961 | POWER MODULE PACKAGE - Disclosed herein is a power module package including: a base substrate; a post having one end and the other end, the one end being formed on the base substrate; and a case formed on the base substrate such that it covers a lateral surface and an upper surface of the base substrate, and spaced apart from the upper surface of the base substrate. | 05-01-2014 |
20140124182 | COOLING SYSTEM OF POWER SEMICONDUCTOR DEVICE - Disclosed herein is a cooling system of a power semiconductor device. The cooling system of a power semiconductor device, which improves a cooling structure according to the related art to deprive heat generated from power devices while moving a working fluid introduced through an inlet to one direction and discharge the working fluid to an outlet, forms a branch inlet in a direction crossing a main inlet and additionally introduce the low-temperature working fluid through the branch inlet so as to be supplied to a channel to mix the working fluid supplied through the main inlet via the channel with the working fluid additionally introduced through the branch inlet around power devices, thereby improving a cooling effect. | 05-08-2014 |
20140175631 | SEMICONDUCTOR MODULE HAVING SLIDING CASE AND MANUFACTURING METHOD THEREOF - There is provided a semiconductor module capable of being easily manufactured and a manufacturing method thereof, the semiconductor module including a module substrate on which at least one electronic element is mounted, at least one external connection terminal fastened to the module substrate, and a case formed by coupling a first case and a second case, wherein the first case and the second case accommodate the module substrate at both ends of the module substrate and are coupled to each other. | 06-26-2014 |
20140285972 | HOUSING AND POWER MODULE HAVING THE SAME - There are provided a housing capable of evenly distributing stress generated at the time of assembly thereof and a power module having the same. The housing for a power module according to an embodiment of the invention includes: a body part having a space formed therein, the space receiving a module substrate having electronic devices mounted thereon; a plurality of fastening parts protruded from sides of the body part; and a fastening member having a leaf spring form and having both ends coupled to two of the fastening parts, respectively, wherein the fastening member includes: a coupling portion coupled to a fixing member; and elastic portions extending from both edges of the coupling portion to be coupled to the fastening parts and elastically deformed when the coupling portion is fastened to a heat radiating substrate to provide elastic force to the fastening parts. | 09-25-2014 |
20140285973 | HOUSING AND POWER MODULE HAVING THE SAME - There are provided housing, capable of preventing a fastening part from being damaged by stress generated at the time of assembly thereof, and a power module having the same. The housing for the power module includes a body part having a space formed therein, the space accommodating a module substrate on which electronic elements are mounted, a plurality fastening parts formed to be protruded from side surfaces of the body part, and an elastic member coupled to the fastening parts in a plate spring manner and elastically supporting lower portions of the fastening parts. | 09-25-2014 |
Young-Hwan Kwak, Hwaseong Si KR
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20130262236 | POS SYSTEM USING PORTABLE COMPUTER - A point-of-sale (POS) system is based on a portable computer. The POS system includes a main processor to which a host central processing unit (CPU) and a software graphics application program interface (API) are mounted; a memory interface to which a memory chipset and a bus-to-device component are mounted; a graphics system to which a graphics accelerator, a Rambus arbiter peripheral component interconnect (PCI), a direct memory access (MA), a random access memory digital-to-analog converter (RAMDAC), a queue and a block write are mounted; an internal monitor as a first monitor; a wireless module, which wirelessly transmits graphics data; and an external monitor, which displays graphics data that is received wirelessly or via wires from a portable computer. The portable computer supports the external monitor with a copy mode, an expansion mode, and an extension mode. | 10-03-2013 |
20130262248 | POS TERMINAL AND POS SYSTEM USING MOBILE TERMINAL - A point-of-sale (POS) terminal and a POS system, by which the cost spent for the establishment of the POS system is reduced. Ordering, payment and management of sales information can be conducted irrespective of location, thereby maximizing user convenience. The general functions of a POS terminal, such as barcode scanning, near-field communication (NFC), signing, and the like, can be performed based on a variety of functions of a mobile terminal in order to provide an optimum solution in any sales environment. | 10-03-2013 |
Young-Jin Kwak, Gwangyang-Si KR
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20130186339 | Dry Coating Apparatus - Provided is a dry coating apparatus for coating a coating material, i.e., deposition vapor (metal vapor) on a substrate (a steel strip). The dry coating apparatus includes a coating part disposed in a vacuum to coat deposition vapor generated through heating and evaporation of a supplied coating material onto a proceeding object to be coated and a heating source disposed in an atmosphere to heat and levitate the coating material in the coating part. | 07-25-2013 |
20130186524 | Al PLATING LAYER/Al-Mg PLATING LAYER MULTI-LAYERED STRUCTURE ALLOY PLATED STEEL SHEET HAVING EXCELLENT PLATING ADHESIVENESS AND CORROSION RESISTANCE, AND METHOD OF MANUFACTURING THE SAME - Provided is an aluminum (Al) plating layer/aluminum (Al)-magnesium (Mg) plating layer multi-layered structure alloy plated steel sheet having excellent plating adhesiveness and corrosion resistance, which is characterized in that the Al—Mg plating layer is formed on the Al plating layer. According to the present invention, corrosion resistance of an Al plated steel sheet is further improved by forming an Al—Mg alloy plating layer, and plating adhesiveness between plating layer and underlying steel sheet may be improved as well as excellent stability and practicality being realized. | 07-25-2013 |
20130199447 | Continuous Coating Apparatus - Provided is a continuous coating apparatus which can supply a liquid coating material (a molten metal) to a levitation-heating space through various paths, and can easily control a supply flow rate of the liquid coating material, and has a simplified structure. The continuous coating apparatus includes: a vacuum chamber unit through which a coating target passes; a levitation-heating unit disposed in the vacuum chamber unit and generating an evaporation vapor by vaporizing a supplied coating material; and a liquid coating material supply unit connected so that a liquid coating material is supplied to at least one of an upper portion and a lower portion of the levitation-heating unit, and communicating with the outside of the vacuum chamber unit. | 08-08-2013 |
20140011048 | FILM FORMATION COMPOSITION FOR PREVENTING BLACKENING OF STEEL SHEET, AND STEEL SHEET HAVING FILM FORMED BY COMPOSITION - Provided is a film formation composition for improving the blackening of the surface of a steel sheet, particularly, the surface of a steel sheet containing Mg on the surface thereof, such as a Mg sheet, a plated steel sheet having a plated layer comprising Mg, and the like, a steel sheet comprising a film formed by the composition, and a method for forming the film. Provided are a film formation composition for preventing the blackening of the surface of the steel sheet, comprising: 2.5-7.5 parts by weight of a water-soluble phenoxy resin; 0.1-0.5 parts by weight of a fluorometal acid; 0.1-0.5 parts by weight of a metal compound; and 1-5 parts by weight of a cross-linking agent. | 01-09-2014 |
20150030875 | ZN-MG ALLOY-COATED STEEL SHEET WITH EXCELLENT BLACKENING RESISTANCE AND EXCELLENT ADHESION AND METHOD FOR MANUFACTURING SAME - The present invention relates to a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent coating adhesion and to a method for manufacturing same. Provided are a Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion and a method for manufacturing same, the steel sheet comprising: a substrate steel sheet; a Zn—Fe intermetallic compound layer formed on the substrate steel sheet; a first Zn—Mg coating layer formed on the Zn—Fe intermetallic compound layer and comprising a Zn—Fe intermetallic compound in which the content of Zn is 95% by weight or higher; a second Zn—Mg coating layer formed on the first Zn—Mg coating layer and comprising a Zn—Mg intermetallic compound in which the content of Zn is 80 to 95% by weight; and an oxide film formed on the second Zn—Mg coating layer and comprising a metallic oxide. | 01-29-2015 |
Young-Shin Kwak, Ulsan KR
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20120308133 | METHOD AND APPARATUS FOR ENHANCING CHROMA OF INPUT IMAGE - A method and apparatus for enhancing chroma of an input image by performing chroma conversion on a chroma value of a chroma component of the input image and compensating for a variation in a brightness value of the input image, based on the chroma value on which the chroma conversion is performed. | 12-06-2012 |
20140307964 | METHOD AND APPARATUS FOR ADJUSTING BRIGHTNESS OF INPUT IMAGE - A method of adjusting a brightness of an input image includes performing brightness conversion on a brightness component value of the input image, and compensating a chroma value of the input image based on input image information and a brightness value obtained from the brightness conversion, wherein the input image information includes a chroma component value and the brightness component value of the input image. | 10-16-2014 |
Young-Sun Kwak, Cheonan-Si KR
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20120320098 | SYSTEM FOR COMPENSATING FOR GAMMA DATA, DISPLAY DEVICE INCLUDING THE SAME AND METHOD OF COMPENSATING FOR GAMMA DATA - A system for compensating for gamma data is provided comprising a display panel including at least one feedback line connected to at least one pixel, a gray voltage generator generating a reference gray voltage based on first gamma data, a data driver generating a data voltage based on the reference gray voltage and applying the generated data voltage to a data line, a multiplexer receiving at least one feedback voltage from the at least one feedback line and selecting a feedback voltage from the received at least one feedback voltage and outputting the selected feedback voltage, an A/D converter converting the selected feedback voltage into feedback data, and a signal controller storing the feedback data as feedback gamma data for the entire grays and compensating for the first gamma data based on the feedback gamma data. | 12-20-2012 |
20140168186 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device includes a display panel including gate lines, data lines, and pixels connected to the gate lines and the data lines, a gate driver driving the gate lines, a data driver driving the data lines, a voltage generator generating first and second voltages to drive the gate driver, and a timing controller receiving an image signal, applying a data signal and first control signals to the data driver, and applying second control signals to the gate driver. The timing controller calculates a total operation time of the display panel and applies a first voltage control signal and a second voltage control signal to the voltage generator to correspondingly change a voltage level of at least one of the first and second voltages when the total operation time exceeds a predetermined reference time. | 06-19-2014 |
20140347258 | METHOD OF DRIVING A DISPLAY PANEL, DISPLAY PANEL DRIVING APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE DISPLAY PANEL DRIVING APPARATUS - A display panel driving apparatus is disclosed. In one aspect the apparatus includes a gate driving part and a data driving part. The gate driving part is configured to increase a gate signal applied to a gate line of a display panel from an OFF voltage to a ON voltage, in response to an activation of a gate clock signal. It is also configured to decrease the gate signal from the ON voltage to a kickback compensation voltage between the OFF voltage and the ON voltage through a plurality of steps in response to an activation of a kickback compensation signal. The data driving part is configured to apply a data signal to a data line of the display panel. Therefore, a data-charging rate may be increased, and thus a display quality of the display apparatus may be increased. | 11-27-2014 |
20140347384 | DEVICE AND METHOD OF MODIFYING IMAGE SIGNAL - An image signal modifying method is disclosed. In one aspect, the image signal modifying method includes inputting a gray level interval of a first dynamic capacitance compensation (DCC) lookup table to a current gray level which is a target in a previous image signal when it is overdriven (DTG) and 0 to a gray level of the previous image signal (PIG). The method also includes searching for a data value in an adaptive color correction (ACC) lookup table corresponding to a gray level equal to a numerical value of the DTG (ALT) and performing an algorithm based on the DTG, the ALT, and the gray level interval of the first DCC lookup table. The method further includes generating a second DCC lookup table based on the algorithm, and performing second DCC processing on the input image signal based on the second DCC lookup table. | 11-27-2014 |
Yun Hee Kwak, Hwaseong-Si KR
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20130069069 | THIN FILM TRANSISTOR ARRAY PANEL - A thin film transistor array panel includes a gate line and the driver connection line formed with the same layer material, a data line and a driving pad formed with the same layer material, a first field generating electrode and a connecting member formed with the same layer material, and a second field generating electrode and a dummy electrode layer formed with the same layer material. | 03-21-2013 |
20130307761 | DISPLAY DEVICE - A display device includes: a first display panel including: a display area including a first edge, a second edge and a third edge, where the first and second edges are disposed opposite to each other, and the third edge is connected to the first and second edges, a peripheral area around the display area, and a plurality of pixels disposed in the display area; a first common voltage transmitting line extending along the third edge, where the first common voltage transmitting line transmits a first common voltage to the display area through a plurality of input points sequentially disposed along the third edge; and a second common voltage transmitting line extending along the third edge, where the second common voltage transmitting line transmits a second common voltage to the display area through a supplementary input point, which is adjacent to the second edge or the third edge. | 11-21-2013 |
20140312353 | THIN FILM TRANSISTOR ARRAY PANEL - A thin film transistor array panel includes a gate line and the driver connection line formed with the same layer material, a data line and a driving pad formed with the same layer material, a first field generating electrode and a connecting member formed with the same layer material, and a second field generating electrode and a dummy electrode layer formed with the same layer material. | 10-23-2014 |
20150054165 | THIN FILM TRANSISTOR SUBSTRATE AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A thin film transistor substrate includes: first and second driving chips; a plurality of signal lines respectively connected to the first and second driving chips; a plurality of first and second branch repair lines extended across the plurality of signal lines connected to the first driving chip; a plurality of third and fourth branch repair lines extended across the plurality of signal lines connected to the second driving chip; an insulating layer between the plurality of first and second branch repair lines and the plurality of signal lines connected to the first driving chip, and between the plurality of third and fourth branch repair lines and the plurality of signal lines connected to the second driving chip; a first repair line connecting the first and second branch repair lines to each other; and a second repair line connecting the third and fourth branch repair lines to each other. | 02-26-2015 |