Seol, KR
Byong Su Seol, Yongin-Si KR
Patent application number | Description | Published |
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20080198567 | MULTILAYER PRINTED CIRCUIT BOARD - Disclosed is a multilayer printed circuit board. The multilayer printed circuit board includes a power source surface to provide power to each component disposed on the power source surface, a ground surface having a reference voltage, a strip line which passes through the power source surface and/or the ground surface so as to transmit signals between components, an antenna installed in proximity to a sectional region of the power source surface and the ground surface, and an electromagnetic wave reduction member which is provided between the power source surface and the ground surface to effectively reduce an electromagnetic wave generated from the strip line. | 08-21-2008 |
20100073020 | Probe of electrical measuring instrument - Disclosed is a probe of an electrical measuring instrument including a handle and at least one loop antenna coupled to the handle. A plane defined by the loop antenna is oriented to face an object to be inspected, to detect electrical characteristics in the vicinity of the object. Enhanced accessibility of the probe with respect to the object to be inspected results in an improvement in the accuracy of measured electrical characteristics information and use convenience of the probe by an inspector. | 03-25-2010 |
20130202848 | FUNCTIONAL SHEET - A functional sheet absorbs electromagnetic waves generated from the interior of an electronic device and efficiently transfers heat generated from an electronic component to other housings, whereby malfunction of the electronic device due to electromagnetic wave interference and overheating of the electronic component is prevented. To have these characteristics, the functional sheet includes a base including a magnetic material absorbing electromagnetic waves, a plurality of metal protrusions formed on upper and lower surfaces of the base, and a thermally conductive adhesive layer formed on portions of the upper and lower surfaces of the base in which the metal protrusions are not formed. | 08-08-2013 |
Changkyu Seol, Gyeonggi-Do KR
Patent application number | Description | Published |
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20130318419 | FLASH MEMORY SYSTEM INCLUDING READ COUNTER LOGIC - A flash memory system which includes a flash memory and a memory controller. The flash memory is configured to perform a read operation using a plurality of read levels. The memory controller is configured to recover original data using a counter value provided from the flash memory. The flash memory converts read result values obtained using the plurality of read levels into the counter value to provide the counter value to the memory controller. | 11-28-2013 |
20130318420 | CODE MODULATION ENCODER AND DECODER, MEMORY CONTROLLER INCLUDING THEM, AND FLASH MEMORY SYSTEM - Disclosed is a bit-state mapping method of a flash memory system which maps m-bit data (m being a natural number more than 2) onto one of 2 | 11-28-2013 |
20160034349 | OPERATING METHOD OF MEMORY CONTROLLER AND NONVOLATILE MEMORY DEVICE - A method of operating a nonvolatile memory device including a plurality of memory cells is provided. A default read operation is performed on a page using a default read voltage set to generate default raw data. If error bits of the default raw data are not corrected, a plurality of low-level read operations is performed on the page using a plurality of read voltage sets to generate a plurality of low-level raw data. Each read voltage set is different from the default voltage set. A read voltage set is selected from the plurality of read voltage sets as a starting voltage set, according to each low-level raw data. A high-level read operation using the selected starting voltage set is performed on the page to generate high-level raw data. | 02-04-2016 |
Changkyu Seol, Hwasung-City KR
Patent application number | Description | Published |
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20120268988 | NONVOLATILE MEMORY DEVICE INCLUDING MEMORY CELL ARRAY WITH UPPER AND LOWER WORD LINE GROUPS - A nonvolatile memory device includes a memory cell array having multiple memory blocks. Each memory block includes memory cells arranged at intersections of multiple word lines and multiple bit lines. At least one word line of the multiple word lines is included in an upper word line group and at least one other word line of the multiple word lines is included in a lower word line group. The number of data bits stored in memory cells connected to the at least one word line included in the upper word line group is different from the number of data bits stored in memory cells connected to the at least one other word line included in the lower word line group. | 10-25-2012 |
20150029789 | NONVOLATILE MEMORY DEVICE INCLUDING MEMORY CELL ARRAY WITH UPPER AND LOWER WORD LINE GROUPS - A nonvolatile memory device includes a memory cell array having multiple memory blocks. Each memory block includes memory cells arranged at intersections of multiple word lines and multiple bit lines. At least one word line of the multiple word lines is included in an upper word line group and at least one other word line of the multiple word lines is included in a lower word line group. The number of data bits stored in memory cells connected to the at least one word line included in the upper word line group is different from the number of data bits stored in memory cells connected to the at least one other word line included in the lower word line group. | 01-29-2015 |
Changkyu Seol, Osan-Si KR
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20130173983 | GENERATION OF PROGRAM DATA FOR NONVOLATILE MEMORY - A method generating program data to be stored in a nonvolatile memory device comprises randomizing the program data, and processing the randomized program data to reduce a frequency of at least one data state among the randomized program data. | 07-04-2013 |
20130326296 | NONVOLATILE MEMORY DEVICE AND ERROR CORRECTION METHODS THEREOF - A data processing method is provided for processing data read from a nonvolatile memory. The data processing method includes receiving first bit data from the nonvolatile memory at a memory controller, and performing erasure decoding based on the first bit data and second bit data stored in the memory controller. The first bit data indicates a memory cell that is erasure, and the second bit data is read using a read voltage during previous error correction decoding. | 12-05-2013 |
20140037086 | MEMORY SYSTEM GENERATING RANDOM NUMBER AND METHOD GENERATING RANDOM NUMBER - In a memory of non-volatile memory cells, a random number is generated by programming non-volatile memory cells, reading the programmed non-volatile memory cells using a random number read voltage selected in accordance with a characteristic of the non-volatile memory cells to generate random read data, and generating the random number from the random read data. | 02-06-2014 |
20140047246 | FLASH MEMORY DEVICE INCLUDING KEY CONTROL LOGIC AND ENCRYPTION KEY STORING METHOD - A flash memory device is provided which includes a plurality of memory cells connected with a word line and including a key cell to store an encryption key; a data input/output circuit configured to receive the encryption key; and key control logic configured to control a program operation on the key cell and to use a column address of the key cell as the encryption key. | 02-13-2014 |
20140115237 | ENCODING PROGRAM DATA BASED ON DATA STORED IN MEMORY CELLS TO BE PROGRAMMED - A method of programming data in a nonvolatile memory device comprises receiving program data to be programmed in selected memory cells of the nonvolatile memory device, reading data from the selected memory cells, encoding the program data using at least one encoding scheme selected from among multiple encoding schemes according to a comparison of the program data and the read data, generating flag data including encoding information, and programming the encoded program data and the flag data in the selected memory cells. | 04-24-2014 |
20140119124 | SEMICONDUCTOR MEMORY SYSTEMS USING REGRESSION ANALYSIS AND READ METHODS THEREOF - A memory system includes: a bit counter and a regression analyzer. The bit counter is configured to generate a plurality of count values based on data read from selected memory cells using a plurality of different read voltages, each of the plurality of count values being indicative of a number of memory cells of a memory device having threshold voltages between pairs of the plurality of different read voltages. The regression analyzer is configured to determine read voltage for the selected memory cells based on the plurality of count values using regression analysis. | 05-01-2014 |
20150058536 | MEMORY CONTROLLER HAVING STATE SHAPING ENGINE AND METHOD OF OPERATING SAME - A memory controller includes a state shaping encoder that receives k-bit write data, selects a logical page with reference to state shape mapping information, and changes data of the logical page to decrease an occurrence probability of a high-order program state among program states used to program the k-bit data in multi-level memory cells. | 02-26-2015 |
20150332778 | SEMICONDUCTOR MEMORY SYSTEMS USING REGRESSION ANALYSIS AND READ METHODS THEREOF - A memory system includes: a bit counter and a regression analyzer. The bit counter is configured to generate a plurality of count values based on data read from selected memory cells using a plurality of different read voltages, each of the plurality of count values being indicative of a number of memory cells of a memory device having threshold voltages between pairs of the plurality of different read voltages. The regression analyzer is configured to determine read voltage for the selected memory cells based on the plurality of count values using regression analysis. | 11-19-2015 |
Chang-Kyu Seol, Osan-Si KR
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20130094293 | MEMORY DEVICE AND METHOD OF READING DATA FROM MEMORY DEVICE - A method is provided for reading data from memory cells, including at least one victim cell and at least one aggressor cell, using an element graph. The method includes defining function nodes corresponding to probability density functions with respect to a first physical characteristic of the at least one victim cell and a second physical characteristic of the at least one aggressor cell, defining variable nodes corresponding to at least one first data value stored in the at least one victim cell and at least one second data value stored in the at least one aggressor cell, and defining edges connecting the function nodes and the variable nodes. | 04-18-2013 |
20130103913 | SEMICONDUCTOR STORAGE DEVICE, SYSTEM, AND METHOD - A semiconductor storage system includes: a difference determining circuit configured to determine a difference between the number of first state values of sample data written to a memory and the number of first state values of read data read from the memory; and a compensation value determining circuit configured to determine a read voltage level compensation value corresponding to a difference between the number of the first state values of the sample data written to the memory and the number of the first state values of the read data read from the memory. | 04-25-2013 |
20140068160 | MEMORY CONTROLLER, METHOD OF OPERATING MEMORY CONTROLLER, AND SYSTEM COMPRISING MEMORY CONTROLLER - A memory controller controls operation of a nonvolatile memory device comprising a memory area comprising a plurality of multi-level cells (MLCs). The memory controller receives an address of the memory area and data to be programmed to the memory area, analyzes access history information regarding the memory area based on the address, generates first mapping data corresponding to the data or second mapping data based on the data and previous mapping data that has been programmed to the MLCs according to a result of the analysis, and transmits a program command comprising one of the first mapping data and the second mapping data to the nonvolatile memory device. | 03-06-2014 |
20140108747 | METHOD OF DETERMINING DETERIORATION STATE OF MEMORY DEVICE AND MEMORY SYSTEM USING THE SAME - A method is provided for determining a deterioration condition of a memory device. The method includes calculating first information corresponding to a number of bits having a first logic value from data obtained by performing a first read operation on target storage region of the memory device using a first reference voltage as a read voltage, and calculating second information corresponding to a number of bits having a second logic value from data obtained by performing a second read operation on the target storage region using a second reference voltage as the read voltage. A deterioration condition of the target storage region is determined based on the first and second information. The first reference voltage is less than a first read voltage by which an erase state of the memory device is distinguished from an adjacent program state, and the second reference voltage is higher than the first read voltage. | 04-17-2014 |
20140115424 | MEMORY SYSTEM AND METHOD OF OPERATING MEMORY SYSTEM USING RECONSTRUCTED DATA - Provided is a method of operating a memory system. The method includes programming first bit data into multiple memory cells; identifying target memory cells that are in a first state and have threshold voltages equal to or greater than a first voltage from the memory cells programmed with the first bit data; receiving second bit data which is to be programmed into the memory cells; calculating multiple third bit data by performing a first process on the second bit data; and selecting third bit data of the calculated multiple third bit data that changes a largest number of target memory cells from the first state to a second state when the memory cells are programmed with each of the multiple third bit data, respectively. The selected third bit data is programmed into the memory cells. | 04-24-2014 |
20140281293 | METHOD OF OPERATING MEMORY CONTROLLER AND DEVICES INCLUDING MEMORY CONTROLLER - A method of operating a memory controller includes receiving a first data sequence and generating a coset representative sequence that can be divided into m-bit strings, where “m” is a natural number of at least 2; performing a first XOR operation on each of the m-bit strings in the coset representative sequence and binary bits; calculating all possible branch metrics according to a result of the first XOR operation; determining a survivor path sequence based on the all possible branch metrics; and performing a second XOR operation on the coset representative sequence and the survivor path sequence and generating an output sequence. | 09-18-2014 |
20140281827 | MEMORY CONTROLLER, METHOD OF OPERATING THE SAME, AND SYSTEM INCLUDING THE SAME - A method of processing data using a memory controller includes determining at least one cell state to which each of a plurality of multi-level cells can be changed to based on a current cell state of each multi-level cell, where each multi-level cell includes a plurality of data pages; determining one of the data pages as having a stuck bit when a value of the data page has a single mapping value based on mapping values mapped to the at least one cell state and generating stuck bit data regarding the stuck bit; and encoding write data to be stored in the multi-level cells based on the stuck bit data. | 09-18-2014 |
20150199267 | MEMORY CONTROLLER, SYSTEM COMPRISING MEMORY CONTROLLER, AND RELATED METHODS OF OPERATION - A method of operating a memory controller comprises receiving original data from an external source, partitioning the original data into multiple elements of unit data, changing an order of at least one element of unit data to reduce the number of occurrences of a target state among the multiple units of unit data, and controlling a non-volatile memory device to program the multiple elements of unit data having the reduced number of occurrences of the target state. | 07-16-2015 |
20150317257 | FLASH MEMORY DEVICE, FLASH MEMORY SYSTEM, AND METHODS OF OPERATING THE SAME - Provided are a flash memory device, a flash memory system, and methods of operating the same. A method of operating a flash memory system includes selecting memory cells of a flash memory in response to an authentication challenge, programming pieces of input data into the selected memory cells, respectively, reading the selected memory cells and generating and storing control information, dividing the selected memory cells into at least one first region memory cell and at least one second region memory cell based on the control information, and setting read values of the at least one first region memory cell and the at least one second region memory cell as a first value and a second value, respectively, and generating an authentication response in the response to the authentication challenge. | 11-05-2015 |
20150363335 | Memory Device, Memory System, and Operating Method of Memory System - A memory device, a memory system, and an operating method of the memory system is provided. The operating method includes operations of transmitting an authentication request to a memory device using a memory controller; converting the authentication request to a first address using the memory device; processing authentication data that corresponds to the first address and indicates a physical characteristic of the memory device and transmitting the authentication data as an authentication response to the authentication request to the memory controller using the memory device; and verifying whether the authentication response received from the memory device is an authentication response to the authentication request using the memory controller. | 12-17-2015 |
20150363336 | MEMORY DEVICE, MEMORY SYSTEM, AND METHOD OF OPERATING MEMORY SYSTEM - A method of operating a memory system including a first function block and a second function block includes generating a first authentication response indicating physical characteristics of the memory system, via the second function block, in response to a first authentication request received from the first function block; performing an error correction decoding on the first authentication response, via the first function block, by using first parity data corresponding to the first authentication request; and determining whether the second function block is authentic, depending on a result of the error correction decoding. | 12-17-2015 |
20160041783 | MEMORY DEVICE, MEMORY SYSTEM, AND METHOD OF OPERATING THE MEMORY SYSTEM - A method of operating a memory system, having a non-volatile memory device, includes processing a response to a first request toward the memory device by using an original key, in response to the first request, generating and storing first parity data corresponding to the original key, and deleting the original key. | 02-11-2016 |
Chang-Kyu Seol, Hwaseong-Si KR
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20120221772 | SEMICONDUCTOR MEMORY DEVICES, SYSTEMS INCLUDING NON-VOLATILE MEMORY READ THRESHOLD VOLTAGE DETERMINATION - A semiconductor memory system can include a memory device having a memory cell array that includes a plurality of memory cells. A memory controller can be configured to perform domain transformation on data written to and/or read from the plurality of memory cells to provide domain-transformed data and configured to perform signal processing on the domain-transformed data to output processed data or a control signal. | 08-30-2012 |
Chang Won Seol, Seongnam-Si KR
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20150057974 | METHOD OF REPRESENTING USAGE QUANTITIES OF AT LEAST ONE EXECUTION CORE AND USER TERMINAL PERFORMING THE SAME - Disclosed is a method of representing usage quantity of an execution core. The method includes (a) receiving a specific process display mode among a plurality of process display modes, (b) measuring the usage quantities of the at least one execution core according to the specific process display mode, the usage quantities including at least one of maximum and average usage quantities or a current usage quantity for a corresponding execution core and (c) overlaidly representing the measured usage quantities at a reference point of a specific axis. Therefore, usage quantities for a process may be overlaidly represented so that the user may efficiently analyze and manage the usage quantities on a small screen. | 02-26-2015 |
20150067523 | METHOD OF CONTROLLING MEASUREMENT WINDOW AND USER TERMINAL PERFORMING THE SAME - This application relates to a method of controlling a measurement window and the method includes (a) measuring measurement targets according to measurement cycles for a plurality of measurement windows, (b) displaying measurement values for the plurality of the measurement targets on a measurement target sub window of each of the plurality of the measurement windows in a time-series order, (c) detecting a temporal position of an event to provide the event when the event occurs at one of the plurality of the measurement windows, (d) detecting the temporal position for each of at least one of other measurement windows and (e) providing the event at a corresponding temporal position for each of the at least one of other measurement window. Therefore, the method may simultaneously display a system measurement value generated at a specific time on a plurality of windows. | 03-05-2015 |
20150135020 | METHOD OF ANALYSING MEMORY USAGE AND USER TERMINAL PERFORMING THE SAME - This application relates to a method of analyzing the memory usage being performed on a user terminal, the user terminal executing a plurality of application objects and the method includes (a) measuring an active virtual memory (AVM) usage being used in the plurality of application objects, (b) determining a physical memory usage from the active virtual memory when measuring the active virtual memory usage and (c) subtracting the physical memory usage from the measured active virtual memory usage to determine a swap unique memory usage. Therefore, it may be possible to efficiently measure the memory usage used only in the swap memory from the active virtual memory. | 05-14-2015 |
20150135187 | METHOD FOR MONITORING RESOURCES IN COMPUTING DEVICE, AND COMPUTING DEVICE - A resource monitoring method comprises the steps of: generating process information including a process identifier, process user, process name, CPU usage, and IO usage; determining at least one first process having the same process user and process name from among a plurality of processes currently being executed; | 05-14-2015 |
Cheol-Hun Seol, Incheon KR
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20130076571 | N-SHOT ANTENNA ASSEMBLY AND RELATED MANUFACTURING METHOD - An antenna module and a manufacturing method for the same are disclosed. With the miniaturization trend for mobile communication terminals, the invention can achieve the miniaturization of antenna modules and facilitate the design of the antenna. The SMD as a matching component for given resonance frequency and impedance matching of the antenna is mounted on the antenna module to make the antenna module compact, and functions as a matching circuit for impedance matching to facilitate the design of mobile devices. | 03-28-2013 |
Dae-Young Seol, Pohang-Si KR
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20090040960 | Space frequency block code signal processing system - A space frequency block code signal relaying system is provided. The space frequency block code signal relaying system includes a signal detecting unit which receives, via a radio channel, a source signal sent from a source station and detects the received signal; a relay signal generation unit which generates a relay signal corresponding with the source signal transmitted from the source station to a destination node based on the received signal, the source signal and the relay signal being signals encoded in a Space Frequency Block Code (SFBC) scheme; and a signal transmitting unit which transmits the relay signal to the destination node. | 02-12-2009 |
20100322140 | RELAY-BASED COMMUNICATION SYSTEM AND METHOD PROCESSING SIGNAL WITHOUT CYCLIC PREFIX - A relay-based communication system and method processing a signal without a cyclic prefix is provided. An apparatus for generating a relay signal includes a signal receiving unit which receives a source signal transmitted from a source node to a relay node and detects a received signal, a signal conversion unit which extracts samples corresponding to a first time duration from the received signal, sums the received signal and the extracted samples in a second time duration, and generates a converted received signal, a relay signal generation unit which generates a relay signal cooperating with the source signal based on the converted received signal according to a space frequency block code (SFBC) scheme, and a signal transmission unit which transmits the generated relay signal to a destination node. | 12-23-2010 |
Dai-Wu Seol, Seongnam-Si KR
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20120142764 | Multi-Cistronic shRNA Expression Cassette for Suppressing Single or Multiple Target Genes - The present invention relates to one multi-cistronic shRNA for suppressing single or multiple target genes, and more particularly, to a multi-cistronic shRNA expression cassette, an expression vector comprising the multi-cistronic shRNA expression cassette, cells transduced with the multi-cistronic shRNA expression vector, a composite of the expression vector and a carrier, a method for suppressing various target genes, and a composition for suppressing target genes comprising the expression vector. | 06-07-2012 |
Dong Hwan Seol, Icheon-Si KR
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20130037930 | SEMICONDUCTOR CHIP AND SEMICONDUCTOR PACKAGE HAVING THE SAME - A semiconductor chip includes a body part having a first surface and a second surface facing away from the first surface, and an opening passing from the first surface to the second surface of the body part. | 02-14-2013 |
Dong Jim Seol, Suwon-Si KR
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20090016789 | FUSING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A fusing device and an image forming apparatus having the same. The fusing device can include a fusing belt, a heat source disposed in an interior of the fusing belt, a supporting member to support at least a portion of an inner peripheral surface of the fusing belt, a press member mounted while opposing the fusing belt to form a fusing nip, and a nip forming part formed with an opening portion to enable heat emitted from the heat source to be transferred to the fusing belt at a position corresponding to the fusing nip. The nip forming part can have at least one gap maintaining part to prevent change of a gap of the opening portion. The nip forming part is provided at the supporting member or a nip forming member mounted between the heat source and the supporting member. Accordingly, a temperature of the fusing belt can rise quickly by directly heating the fusing belt, and deterioration of fusing performance due to deformation of the nip forming member can be prevented. | 01-15-2009 |
Dong-Min Seol, Daejeon-Si KR
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20100149965 | APPARATUS AND METHOD FOR RESTORING NETWORK CONNECTED WITH USERS HAVING DIFFERENT RECOVERY REQUIREMENTS - A method of restoring a target network to which users having different recovery requirements are connected is provided. The method includes analyzing network components including availability information of each user and parameters reflecting characteristics of the target network; and determining optimized restoration architecture for the target network based on the result of the analysis. Accordingly, when failure occurs in a network to which various subscribers having different recovery requirements are connected, the network can be promptly recovered from the failure. | 06-17-2010 |
20110044691 | APPARATUS AND METHOD FOR DETECTING OPTICAL SIGNALS - Disclosed are an apparatus and method for detecting optical signals. The optical signal detection apparatus includes: a signal receiver to convert a received optical signal into an electrical signal; a threshold decision unit to establish a mathematical model based on the electrical signal and to decide an optimized threshold value based on the mathematical model; and a signal detector to detect the electrical signal based on the optimized threshold value. Hence, since threshold values optimized adaptively according to received signals are used, a bit error rate may be lowered and accordingly detection performance may be improved. | 02-24-2011 |
Du Jin Seol, Naeson-Ro, Uiwang-Si, KR
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20160022711 | LIPID NANOMATERIAL CONTAINING LYSOPHOSPHATIDYLCHOLINE OR DERIVATIVE THEREOF AND METHOD FOR PREPARING SAME - The present invention relates to a lipid nanomaterial containing lysophosphatidylcholine or an ether derivative thereof, a method for preparing the same, a method for reducing erythrocyteolysis and hemagglutination using the compound, and a pharmaceutical agent containing the lipid nanomaterial. The present invention contains lysophosphatidylcholine or an ether derivative thereof as an active ingredient, and can be useful as a treatment agent for septicemia, bacterial infection diseases, and the like. | 01-28-2016 |
Eun-Young Seol, Daejeon KR
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20090269414 | PROCESS OF PREPARING MICROSPHERES FOR SUSTAINED RELEASE HAVING IMPROVED DISPERSIBILITY AND SYRINGEABILITY - Disclosed is a process of preparing sustained release microspheres, containing a biodegradable polymer as a carrier and a drug, using spray drying. The process comprises preparing a solution, suspension or emulsion containing a biodegradable polymer, a drug and a solvent; spray drying the solution, suspension or emulsion; and suspending spray-dried microspheres in an aqueous solution containing polyvinyl alcohol to remove the residual solvent and increase the hydrophilicity of the microsphere surface. The process enables the preparation of microspheres having high drug encapsulation efficiency, almost not having a toxicity problem due to the residual solvent, and having good syringeability. The microspheres prepared according to the present invention release an effective concentration of a drug in a sustained manner for a predetermined period when administered to the body, and are thus useful in the treatment of diseases. | 10-29-2009 |
20100136126 | COMPOSITION AND MICROSPHERE FOR CONTROLLED-RELEASE OF EXENDIN, AND METHOD OF PREPARING THE SAME - A controlled-release composition and controlled-release microspheres containing an exendin as an active ingredient, and a method of preparing the same are provided. More specifically, a controlled-release composition containing an exendin as an active ingredient, a biodegradable polymer with a specific viscosity, and coating materials, having high bioavailability and showing sustained release of the active ingredient in an effective concentration for a certain period without an excessive initial burst of the active ingredient; controlled-release microspheres containing a core including an exendin as an active ingredient and a biodegradable polymer, and a coating layer coating the core; and a method of preparing controlled-release microspheres including the steps of mixing an exendin, a biodegradable polymer, and a solvent, removing the solvent from the mixture to prepare hardened microspheres, and coating the hardened microspheres to form a coating layer on the surface of each microsphere, are provided. | 06-03-2010 |
Gi-Won Seol, Gyeongsangbuk-Do KR
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20110250400 | METHOD OF FABRICATING INJECTION-MOLDED PRODUCT - A method of fabricating an injection-molded product includes: manufacturing an injection-molded material using a mold; forming a metal layer on an inner or outer surface of the injection-molded material; and removing a portion of the metal layer using a laser, and forming a pattern. Since the injection-molded product fabricated through the method has pattern with a metallic feeling, it can provide a metallic feeling of a high brightness that cannot be realized by a method such as printing and can provide a cubic feeling due to removal of a metal layer. The method provides portable products such as cases for cosmetic products and portable terminals with various visually appealing feelings, allowing users to express various individual styles or preferences using the portable products. | 10-13-2011 |
Gye-Hyun Seol, Gyeongsangnam-Do KR
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20110060364 | UNDERWATER EXERCISE AND PHYSICAL THERAPY DEVICE FOR JOINT RELEASE AND SPINAL ADJUSTMENT - The present invention relates to an underwater exercise and physical therapy device for joint release and spinal adjustment wherein a tube is worn on a user's upper body and weights are worn on the user's feet in a water tank having a predetermined depth wherein his feet are spaced apart from the bottom surface thereof to carry out underwater exercise and physical therapy by using the buoyant force of the tube and the gravity of the weights, thereby enabling his joints to be released, making his muscles reformed, and further adjusting and preventing his spinal diseases. | 03-10-2011 |
Hee Jin Seol, Gwangju KR
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20140205691 | MEDICAL COMPOSITION CONTAINING STAUNTONIA HEXAPHYLLA EXTRACT - Disclosed is an antipyretic drug comprising a | 07-24-2014 |
Ho-Seok Seol, Daegu KR
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20110242916 | ON-DIE TERMINATION CIRCUIT, DATA OUTPUT BUFFER AND SEMICONDUCTOR MEMORY DEVICE - An on-die termination circuit includes a termination resistor unit connected to an external pin, and a termination control unit connected to the termination resistor unit. The termination resistor unit provides termination impedance to a transmission line connected to the external pin. The termination control unit varies the termination impedance in response to a plurality of bits of strength code associated with a data rate. | 10-06-2011 |
20110243289 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING THE SAME - A method of tuning a phase of a clock signal includes performing data training on a plurality of data pins through which data are input and output, in synchronization with a data clock signal; determining one of the data pins to be a representative pin; performing clock and data recovery (CDR) on read data of the representative pin; and adjusting a phase of the data clock signal based on the CDR. | 10-06-2011 |
20110298499 | INTERNAL VOLTAGE GENERATOR AND INTEGRATED CIRCUIT DEVICE INCLUDING THE SAME - An internal voltage generator includes a comparison unit, a driving circuit and a bias unit. The comparison unit compares a reference voltage and an internal voltage and is configured to output a comparison voltage, which is based on a difference between the reference voltage and the internal voltage. The driving circuit receives the comparison voltage and an external power supply voltage and is configured to output the internal voltage to an output node in response to the comparison voltage. The bias unit receives the internal voltage and is configured to adaptively adjust a bias current that flows through the bias unit to drive the comparison unit, in consideration of a level of the internal voltage. | 12-08-2011 |
20110310659 | VOLTAGE-CONTROLLED OSCILLATOR AND PHASE-LOCKED LOOP CIRCUIT - A voltage-controlled oscillator includes an oscillating unit configured to output first and second output clock signals at first and second nodes, respectively, the first and second output clock signals having a frequency that is variable in response to a control voltage. An active element unit connected to the oscillating unit is configured to maintain oscillation of the oscillating unit. A bias current generating unit connected to the active element unit at a bias node provides a bias current to the bias node and is adapted to adjust the bias current in response to a control code. First and second capacitor blocks connected to the oscillating unit and the active element unit provide first and second load capacitances, respectively, to the first and second nodes, respectively, in response to the control code. | 12-22-2011 |
20140119140 | DUTY CYCLE CORRECTOR AND SYSTEMS INCLUDING THE SAME - A duty cycle corrector includes a sensing unit, a pad unit, a fuse unit, and a driver unit. The sensing unit generates at least one sensing signal based on the sensed duty cycle ratio of an output signal. The pad unit outputs at least one decision signal based on the at least one sensing signal. The fuse unit generates a duty cycle control signal based on at least one received fuse control signal. The driver unit adjusts a duty cycle ratio of an input signal to generate the output signal based on the duty cycle control signal. The driver unit adjusts the duty cycle ratio of the input signal by adjusting a pull-up strength or a pull-down strength of the input signal based on the duty cycle control signal. | 05-01-2014 |
20140266299 | CIRCUIT AND METHOD FOR ON-DIE TERMINATION, AND SEMICONDUCTOR MEMORY DEVICE INCLUDING THE SAME - An on-die termination (ODT) circuit includes a calibration unit, an offset-code generating unit, an adder, and an ODT unit. The calibration unit generates a pull-up code and a pull-down code. The offset-code generates a pull-up offset code and a pull-down offset code based on a mode-register-set signal, the pull-up code, and the pull-down code. The adder adds the pull-up offset code and the pull-down offset code to the pull-up code and the pull-down code, respectively, and generates a pull-up calibration code and a pull-down calibration code. The ODT unit changes ODT resistance in response to the pull-up calibration code and the pull-down calibration code. | 09-18-2014 |
Hyun-Uk Seol, Pusan-City KR
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20120125898 | LASER WELDING DEVICE FOR ROLL FORMING SYSTEM AND CONTROL METHOD THEREOF - A roll forming system which roll-forms a shaped beam by a roll forming unit including a plurality of roll formers is disclosed. A laser welding device for the roll forming system may include: front and rear guide means disposed apart from each other at the rear of the roll forming unit, and guiding movement of the shaped beam; laser welding means mounted above and between the front and rear guide means, reciprocatedly rotating a mirror by controlling a mirror motor so as to irradiate a laser beam to a welding position of the shaped beam, and thereby forming a welding bead having a predetermined welding pattern; forming speed detecting means detecting a forming speed of the shaped beam and transmitting a signal corresponding thereto to a controller; a camera disposed at the rear of the laser welding means, photographing a welding portion of the shaped beam, and transmitting an image signal corresponding thereto to the controller. | 05-24-2012 |
20140360990 | LASER WELDING DEVICE FOR ROLL FORMING SYSTEM AND CONTROL METHOD THEREOF - A roll forming system which roll-forms a shaped beam by a roll forming unit including a plurality of roll formers is disclosed. A laser welding device for the roll forming system may include: front and rear guide means disposed apart from each other at the rear of the roll forming unit, and guiding movement of the shaped beam; laser welding means mounted above and between the front and rear guide means, reciprocatedly rotating a mirror by controlling a mirror motor so as to irradiate a laser beam to a welding position of the shaped beam, and thereby forming a welding bead having a predetermined welding pattern; forming speed detecting means detecting a forming speed of the shaped beam and transmitting a signal corresponding thereto to a controller; a camera disposed at the rear of the laser welding means, photographing a welding portion of the shaped beam, and transmitting an image signal corresponding thereto to the controller. | 12-11-2014 |
Ieel Ho Seol, Jellabuk-Do KR
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20090109589 | HIGH SPEED AUTOMATIC CIRCUIT BREAKER FOR PROTECTION - Disclosed is a high speed automatic circuit breaker in which a Rogowski coil is integrated with a voltage sensor, a microprocessor processes voltage and current signals through an electronic transformer to reduce a size and costs, and an algorithm of counting, charging, and trip is realized for coordination with reclosers of a power substation and a line. The circuit breaker includes a main body to receive an electric power when fixed and moving contacts contacting each other, to operate the moving contact using an trip coil according to a trip control signal to trip, and to input the electric power according to an closing control signal, and a control unit to monitor current of a lead-in line and voltage to generate a control signal of controlling the main body. Thus, costs and installing space can be reduced and a customer fault is fundamentally prevented from being propagated to the line. | 04-30-2009 |
Jaemin Seol, Daejeon KR
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20120150342 | SYSTEM AND METHOD FOR PROCESSING DELIVERY ITEMS - Disclosed herein is a system and method for processing delivery items. The system for processing delivery items may include: a delivery item transfer device which transfers a delivery item put into the system and measures at least one delivery item information selected from the group consisting of an image, a bar code, an address, a shape, a volume, and a weight of the delivery item; a control device which generates sorting information for each delivery zone and delivery route information, which are required to deliver the delivery items, and provides the generated sorting information for each delivery zone or delivery route information and the at least one delivery item information; and a robot device which loads the delivery item into a corresponding loading container by controlling a robot based on the generated sorting information for each delivery zone or delivery route information and the at least one delivery item information. | 06-14-2012 |
Jeong-Hoon Seol, Changwon-City KR
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20130313009 | PRINTED CIRCUIT BOARD AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a printed circuit board (PCB) and the PCB are provided. The method includes: filling a resin in a via-hole formed at a substrate from one surface side of the substrate; emitting light for a predetermined period of time to the resin filled in the via-hole from the other surface side of the substrate; and applying another resin on the other surface of the substrate. | 11-28-2013 |
Jihwan Seol, Yongin-Si KR
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20120146429 | BATTERY PACK FOR ELECTRIC BICYCLE AND CONTROL METHOD THEREOF - Provided is a battery pack for electric bicycle and a control method of the battery pack, and the battery pack may prevent the electric bicycle from moving abnormally. The electric bicycle includes a motor and a motion sensor. The battery pack includes a battery, a main switch and a controller. The main switch controls supply of a power which is supplied from the battery to the electric bicycle. The controller outputs a motor hold signal to put the motor in a hold state, when an abnormal motion sensing signal is received from the motion sensor. | 06-14-2012 |
Ji-Hwan Seol, Suwon-Si KR
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20080284711 | Method and apparatus to automatically control power of address data for plasma display panel, and plasma display panel device including the apparatus - A method and apparatus for automatically controlling power of address data in a plasma display panel (PDP), and a PDP device including the apparatus are provided. In this method, first, a difference-sum of pixel value differences between adjacent pixels successively arranged along a column of block is calculated. Then, an address power control level corresponding to the calculated difference-sum for each block is determined. Thereafter, gain information for each block on the basis of the address power control level for each block is determined. Next, a gain for each block corresponding to the gain information for each block is output. Then, the input image signal is multiplied by the gain for each block to correct the input image signal to output the corrected image signal. Accordingly, power consumption, noise, and generation of heat are reduced, and also the brightness is improved. | 11-20-2008 |
Jin-Ho Seol, Gyeonggi-Do KR
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20110296089 | PROGRAMMING METHOD AND DEVICE FOR A BUFFER CACHE IN A SOLID-STATE DISK SYSTEM - Provided are a method and apparatus for programming a buffer cache in a Solid State Disk (SSD) system. The buffer cache programming apparatus in the SSD system may include a buffer cache unit to store pages, a memory unit including a plurality of memory chips, and a control unit to select at least one of the page as a victim page, based on a delay occurring when a page is stored in at least one target memory chip among the plurality of memory chips. | 12-01-2011 |
Jin Hyun Seol, Daegu KR
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20160110984 | INTELLIGENT INTEGRATED SAFETY MANAGEMENT CONTROL SYSTEM, SERVER, AND METHOD - An integrated tag device includes an active tag and transmits a tag signal; a reader device recognizes tag device identification information, generate and transmit a tag device recognition signal, receive a risk notification signal and inform a worker; a worker terminal checks location information thereof, includes the checked location information in a map information request signal, and transmits the map information request signal, receives and displays factory facility map information; an intelligent integrated safety management control server checks reader device identification information and tag device identification information, checks installation location information, tracks a location and predicts a movement path of each moving entity, classifies and stores a movement pattern and a movement path, checks reader device identification information, generates and transmits a risk notification signal, checks worker terminal location information and identification information, checks reader device identification information, reads and transmits factory facility map information to the worker terminal. | 04-21-2016 |
Jin Soo Seol, Cheongju-Si KR
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20080253003 | CAMERA LENS ASSEMBLY - A camera lens assembly providing focal length adjustment to permit mounting in a personal portable terminal. The camera lens assembly includes a lens assembly; a driving unit provided in one side of the lens assembly; and a guide section provided between the lens assembly and the driving unit, wherein the lens assembly moves forward and backward in a direction of an optical axis to the driving unit by guidance of the guide section. The guide section enhances an auto-focusing function and simplifies mounting of the camera lens assembly, rendering it possible to secure portability even when a camera is mounted to a miniaturized personal portable device such as a mobile communication terminal, a portable computer or the like. | 10-16-2008 |
20090067068 | CAMERA LENS MODULE - A camera lens module is provided, in which a lens housing has at least one lens, a main frame contains the lens housing along an optical axis, a support portion is engaged with the lens housing and with the main frame to be rotatable along the optical axis, a cover is engaged with the main frame, for keeping the lens housing contained in the main frame, and a control member is engaged with the cover, for moving the support portion along the optical axis. | 03-12-2009 |
20100182490 | CAMERA SYSTEM WITH AUTO-FOCUS FUNCTION AND CONTROL METHOD THEREOF - In accordance with an aspect of the present invention a camera system comprising a lens module capable of linear movement in a direction of an optical axis; a drive portion generating for driving force to move said the lens module; a position sensor portion outputting a electrical signal to detect a position of the lens module; a image sensor portion outputting a electrical signal to capture image of a subject through the lens module; a control portion controlling the magnitude of driving force as the result that is judged by discriminating correct position to focus position of the lens module compared to real output and standard output of the position sensor corresponding to focus position of the subject to be detected as to output of the image sensor portion, wherein the control portion is composed of one chip. | 07-22-2010 |
20140104486 | CAMERA SYSTEM WITH AUTO-FOCUS FUNCTION AND CONTROL METHOD THEREOF - A camera system is provided. The camera system includes a first housing, a lens module accommodated in an inner space of the first housing, a support panel engaged to a side surface of the first housing, a magnet which is mounted on the lens module and confronts the support panel, and a drive portion which is arranged on the support panel and linearly moves the lens module in a direction of an optical axis, wherein the drive portion comprises a hall sensor portion for detecting displacement of the lens module, a coil fixed on a circuit board of the drive portion, and a controller for controlling current applied to the coil according to output of the hall sensor portion, and wherein the controller and the hall sensor portion are integrated in one chip. | 04-17-2014 |
Jin Tae Seol, Changwon-Si KR
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20140053892 | Solar Cell Plate Having Junction Box Formed Thereon - The present invention relates to a solar cell plate having a junction box formed thereon, the junction box having a housing embedded with a ribbon and a diode, and a cover, which can be attached/detached to/from the housing, and more specifically, to a solar cell plate having a junction box formed thereon, having formed on the cover, a lighting portion having an LED formed thereon, so that the LED in a light-emitting state enables easy confirmation of an abnormality in the solar cell plate. | 02-27-2014 |
Jiyun Seol, Gyeonggi-Do KR
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20140139372 | BEAM DIRECTION SELECTION METHOD AND APPARATUS FOR USE IN BEAMFORMING SYSTEM - A method and apparatus for selecting a beam direction is for use in a beamforming system. The beam direction selection method of a reception device having a plurality of antenna elements in a wireless communication system using beamforming according to the present disclosure includes acquiring a first reception beam angle estimated as optimal by allocating a first predetermined number of antenna elements to each of beam ports and scanning signals and acquiring a second reception beam angle estimated as optimal by allocating a second predetermined number of antenna elements, which is greater than the first predetermined number, to some of the beam ports and scanning the signals using the first reception beam angle. The beam selection apparatus and method of the present disclosure is capable of selecting a reception beam direction efficiently in a beamforming system. | 05-22-2014 |
20140184446 | RANDOM PERTURBATION-BASED BEAMFORMING METHOD AND APPARATUS FOR USE IN MOBILE COMMUNICATION SYSTEM - A method and apparatus configures a beamforming coefficient based on the signal strength information without collecting channel information by adjusting the phase of the antennas through random perturbation. An antenna control method of a base station in a wireless communication system using a beamforming technique includes measuring n | 07-03-2014 |
20140187168 | METHOD AND APPARATUS FOR FAST BEAM-LINK CONSTRUCTION IN MOBILE COMMUNICATION SYSTEM - A method of forming a beam-link by a Base Station (BS) in a wireless communication system using a beamforming scheme includes determining at least one downlink beams to be used for downlink transmission and/or reception, transmitting a reference signal to a Mobile Station via the at least one downlink beam, receiving the reference signal via an uplink beam from the Mobile station, and updating the at least one downlink beam to increase a Signal-to-Noise Ratio (SNR). Accordingly, a beam-link using an initial beam-link between the BS and the MS and adaptive beamforming can be rapidly constructed in a high frequency band BDMA cellular system. | 07-03-2014 |
20150215010 | METHOD AND APPARATUS FOR ESTIMATING COMMUNICATION CHANNEL IN MOBILE COMMUNICATION SYSTEM - A method of receiving a signal by a receiver in a mobile communication system is provided. The method includes: receiving a reference signal from a transmitter; determining first channel information based on the received reference signal; receiving a data signal based on the first channel information; and determining second channel information based on the received data signal and the first channel information. Iterative channel estimation is performed to reduce channel estimation errors by determining errors of signals received from a turbo decoding unit and using symbol information as pilots even in subcarriers where the pilot signals are not transmitted, and to increase the accuracy of LLR calculation through an iteration process such as a detection and decoding process in comparison with the conventional technology, thereby increasing the reception performance of the turbo decoding unit and improving communication efficiency. | 07-30-2015 |
20150244509 | APPARATUS AND METHOD OF TRANSMITTING AND RECEIVING REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM USING MULTIPLE-INPUT AND MULTIPLE-OUTPUT - An apparatus and method is proved that transmits and receives Reference Signals (RSs) in a wireless communication system using Multiple-Input and Multiple-Output (MIMO). A system adapted to the method is provided. The method includes: determining the number of RS transmission to two or more antennas, respectively, as the number of antennas included in respective ports, wherein each port include one or more antennas; creating transmit patterns so that they cyclically differ from each other every the number of RS transmission to transmit the created transmit patterns the number of RS transmission times; and mapping the RSs to one or more antennas according to the created, respective patterns, and transmitting the RSs in order. | 08-27-2015 |
20150288439 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SINGLE STREAM THROUGH MULTIPLE BEAMS IN WIRELESS COMMUNICATION SYSTEM - Methods and apparatuses are provided for controlling a transmission signal in a transceiver. Cyclic shift values that are applied to transmission signals are determined, when the transmission signals are to be transmitted through multiple layers. The transmission signals are cyclically shifted according to the cyclic shift values. The cyclically-shifted transmission signals are added. The added cyclically-shifted transmission signals are transmitted. | 10-08-2015 |
Jiyun Seol, Seongnam-Si KR
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20150236774 | METHOD AND APPARATUS FOR PROCESSING FEEDBACK INFORMATION IN WIRELESS COMMUNICATION SYSTEM SUPPORTING BEAMFORMING - A method and an apparatus for processing feedback information in a wireless communication system supporting a beamforming are provided. The method includes receiving reference signals for each of at least one of transmitted beams which are transmitted from a base station with respect to each received beam of the terminal, determining reception power related information for a beam combination including each of the at least one of the transmitted beams and the received beam, determining channel capacities for each beam combination targeted beam combinations of which each value is equal to or greater than a certain critical value, as a result of the determining of the reception power related information, and determining best beam related information based on the result of the determining of the channel capacities. | 08-20-2015 |
20160080187 | SYMBOL TRANSMISSION METHOD AND APPARATUS FOR USE IN FILTER BANK MULTICARRIER SYSTEM - The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). | 03-17-2016 |
20160080961 | FILTER BANK-BASED CHANNEL STATE REPORT AND RESOURCE ALLOCATION METHOD AND APPARATUS FOR USE IN WIRELESS COMMUNICATION SYSTEM - The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A filter bank-based channel state report and resource allocation method and an apparatus for use in a wireless communication system are provided. The channel state report method of a receiver in a filter bank-based wireless communication system includes receiving filter bank information on at least two filter banks from a transmitter, measuring a channel state of the each of at least two filter banks based on the filter bank information, and transmitting channel state information, which is generated based on the measurement result, to the transmitter. | 03-17-2016 |
Ji-Yun Seol, Seonam-Si KR
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20110116480 | METHODS AND APPARATUS TO SUPPORT INTERFERENCE MANAGEMENT IN MULTI-TIER WIRELESS COMMUNICATION SYSTEMS - When a subscriber station (SS) encounters interference caused an interfering base station (BS), the interference can be mitigated regardless of whether the interfering base station is a CSG-Closed BS or whether the SS is connected to a serving BS. If the SS is not connected to a serving BS and cannot access the interfering BS, the SS will signal the interfering BS directly to request the interfering BS to perform IM. If the SS is a legal user, and conditions to initiate IM are met, the interfering BS will perform IM until conditions to terminate IM are met. If the SS is connected to a serving BS, the serving BS will request the interfering BS to perform or terminate interference mitigation (IM) on behalf of the SS if certain conditions are satisfied. | 05-19-2011 |
Ji-Yun Seol, Seongnam-Si KR
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20090262671 | APPARATUS AND METHOD FOR ALLOCATING UPLINK RESOURCES IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for allocating an uplink resource in a wireless communication system that uses a Half duplex-Frequency Division Duplex (H-FDD) scheme. The apparatus includes a controller and a message generator. The controller determines a resource allocation scheme enabling an F-FDD mobile station to allocate uplink bursts to a first group and a second group using one MAP message. The message generator generates a MAP message indicating the resource allocation scheme determined by the controller. | 10-22-2009 |
20090274227 | APPARATUSES AND METHODS FOR TRANSMISSION AND RECEPTION IN A CODEBOOK BASED CLOSED-LOOP (CL)-MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) SYSTEM - Apparatuses and methods for transmission and reception in a Closed-Loop (CL)-Multiple Input Multiple Output (MIMO) system are provided. A codebook generation method includes determining weight vectors v | 11-05-2009 |
20100014462 | METHOD AND APPARATUS FOR RECOGNIZING MULTICAST AND BROADCAST SERVICE REGION IN BROADBAND WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for recognizing a Multicast and Broadcast Service (MBS) region in a broadband wireless communication system are provided. In the method, whether a next MBS MAP message transmission point of a first frame and an MBS data burst transmission point indicated by MBS burst assignment information of a second frame match with each other in a third frame is determined. When matching with each other in the third frame, a control message including information for determining a starting point of an MBS region is generated. The generated control message is transmitted during one of the first and second frames. | 01-21-2010 |
20110090884 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING SYSTEM INFORMATION IN BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for transmission/reception of system information in a broadband wireless communication system are provided. An operation of a Base Station (BS) in a broadband wireless communication system includes determining whether to apply a system configuration corresponding to a previous value of a Secondary-Super Frame Header (S-SFH) change count changed according to update of system information and, when applying the system configuration corresponding to the previous value of the S-SFH change count, setting a parameter representing the applied system configuration to a first value and, when applying a system configuration corresponding to a current value of the S-SFH change count, setting the parameter to a second value, and transmitting a Primary-Super Frame Header (P-SFH) including the S-SFH change count and the parameter set to the first value or the second value. | 04-21-2011 |
20110093757 | METHOD AND APPARATUS FOR HANDLING ERRORS IN A SYNCHRONOUS UL HARQ PROCESS - An apparatus and method for handling an error that may occur during a HARQ process are provided. The method includes determining that an UpLink (UL) HARQ burst has been transmitted on a first resource, determining if the UL HARQ burst has been received, determining if the first resource for UL HARQ burst transmission needs to be changed, and transmitting feedback information regarding receipt of the UL HARQ burst and whether the first resource needs to be changed. | 04-21-2011 |
20110110301 | APPARATUS AND METHOD FOR TRANSMITTING SIGNAL IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for transmitting control information in a small base station of a wireless communication system are provided. In the method, when the small base station operates in a Low Duty operation Mode (LDM) in a superframe, a control signal including LDM operation information is generated. Only a subframe via which a preamble, a control signal including the LDM operation information, and a SuperFrame Header (SFH) are transmitted is transmitted during the superframe. When the small base station operates in a normal operation mode in a superframe, at least one of the control information and data is transmitted via at least one subframe of the superframe. | 05-12-2011 |
20110296270 | Apparatus and method for resource segmentation in wireless communication system - An apparatus and a method segment an allocated resource in data transmission in a wireless communication system. When a size of transmission data is large, the data information bit is distributed to one or more forward error correction (FEC) blocks with consideration of a size of the data information bit. A number of data tones is determined based on control information with respect to each of the one or more FEC blocks. The data information bit distributed to the one or more FEC blocks is mapped into a data tone with consideration of the number of data tones determined for each of the one or more FEC blocks. | 12-01-2011 |
20110305214 | APPARATUS AND METHOD FOR CAPABILITY NEGOTIATION FOR HYBRID AUTOMATIC REPEAT REQUEST PARAMETER IN BROADBAND WIRELESS COMMUNICATION SYSTEM - A technique for supporting newly defined Hybrid Automatic Repeat reQuest (HARQ) categories without an occurrence of an interpretation error when using a legacy Mobile Station (MS) and a legacy Base Station (BS) in a broadband wireless communication system is provided. A method of transmitting a capability negotiation message includes determining an HARQ parameter set to be allocated, setting a value of a second field for informing whether to indicate an HARQ parameter set which corresponds to an index greater than a maximum value that can be indicated by using a first field for indicating an index of the HARQ parameter set, and transmitting the capability negotiation message including the second field. | 12-15-2011 |
20110310761 | APPARATUS AND METHOD FOR TRANSMITTING BROADCAST CHANNEL IN BROADBAND WIRELESS ACCESS SYSTEM - To transmit and receive system information of a base station in a broadband wireless access system, operations of the base station include determining transmission periodicities of a plurality of system information subpackets periodically transmitted in a periodicity of two or more superframes, determining transmission offsets of the subpackets based on the transmission periodicities using a predefined rule for determining a transmission periodicity and a transmission offset, and transmitting the subpackets respectively according to the transmission periodicities and the transmission offsets. | 12-22-2011 |
20120327900 | APPARATUS AND METHOD FOR PROVIDING PREAMBLE INFORMATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for providing preamble information in a wireless communication system are provided. The method of a Base Station (BS) of a first system for providing neighbor BS information of a second system in a communication environment covering the first system and the second system together includes generating a message comprising information indicating a superframe boundary of a neighbor BS of the second system, and transmitting the message comprising the information indicating the superframe boundary to a Mobile Station (MS). | 12-27-2012 |
20130045690 | APPARATUS AND METHOD FOR SUPPORTING MULTI-ANTENNA TRANSMISSION IN BEAMFORMED WIRELESS COMMUNICATION SYSTEM - An apparatus and method for supporting diversity in a beamformed wireless communication system. A method for transmitting a signal in a transmit end includes determining Receive (Rx) beamforming capability information of a receive end, receiving channel information on at least one Transmit (Tx) beam pattern from the receive end, determining at least one Tx beam pattern for transmitting a signal to the receive end, in consideration of Rx beamforming support information of the receive end and the channel information on the at least one Tx beam pattern, and transmitting a signal to the receive end using the at least one Tx beam pattern for transmitting the signal to the receive end. | 02-21-2013 |
20130072243 | METHOD AND APPARATUS FOR BEAM ALLOCATION IN WIRELESS COMMUNICATION SYSTEM - A beam allocation method of a Base Station (BS) in a wireless communication system is provided. The method includes transmitting a reference signal to a Mobile Station (MS) using a plurality of downlink transmit (Tx) beams, receiving information of a plurality of candidate downlink Tx beams determined by the MS in response to the received reference signal, selecting at least one downlink Tx beam from the plurality of candidate downlink Tx beams according to a predefined rule, generating control information for burst transmission, comprising the selected at least one downlink Tx beam information, transmitting the control information to the MS using the selected at least one downlink Tx beam, and transmitting a data burst based on Tx beam information included in the control information. | 03-21-2013 |
20130072247 | APPARATUS AND METHOD FOR OPERATING MULTIPLE BEAMFORMING TRANSCEIVER IN WIRELESS COMMUNICATION SYSTEM - A method for operating a base station in a wireless communication system in order to support a plurality of propagation characteristics is provided. The method includes allocating resource periods for respective propagation characteristics, transmitting system information including information on the propagation characteristics, transmitting a reference signal with the propagation characteristic corresponding to the relevant resource period through at least one of the resource periods, and receiving feedback information determining channel qualities for all of the propagation characteristics. | 03-21-2013 |
20130172002 | BEAMFORMING METHOD AND APPARATUS FOR ACQUIRING TRANSMISSION BEAM DIVERSITY IN A WIRELESS COMMUNICATION SYSTEM - A data transmission method for a base station to acquire transmission beam diversity in a wireless communication system is provided. The data transmission method includes selecting at least two transmission beams to be used for data transmission from among multiple transmission beams corresponding to transmission beam information, if receiving the transmission beam information regarding the multiple transmission beams from a terminal, and transmitting data encoded with a predetermined orthogonalization code to the terminal via the selected at least two transmission beams. | 07-04-2013 |
20130178219 | METHOD AND APPARATUS FOR PROVIDING COMMUNICATION SERVICE TO MOBILE STATION BY MULTIPLE BASE STATIONS IN COOPERATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for providing a service to a Mobile Station (MS) by a plurality of Base Stations (BSs) operating in cooperation in a wireless communication system are provided. The method includes configuring, by a master BS, a first cooperative cell including at least one slave BS, sending a resource request message for requesting resource allocation to the at least one slave BS included in the first cooperative cell, receiving, from each of the at least one slave BS, a resource request response message including resource approval control results for the resource allocation request, changing member BSs constituting the first cooperative cell based on the resource request response message, and allocating resources to an MS that is served in the first cooperative cell. | 07-11-2013 |
20130201938 | METHOD AND APPARATUS FOR ALLOCATING UPLINK RESOURCES IN BEAMFORMING-BASED WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for requesting Uplink (UL) resource allocation in a beamforming-based wireless communication system are provided. A Mobile Station (MS) acquires UL beam pair information indicating a best MS transmit beam and a best Base Station (BS) receive beam for UL transmission, determines a best BS transmit beam for Downlink (DL) reception, selects a Bandwidth Request (BR) code and a BR channel from available BR codes and a designated BR transmit resource, wherein at least one of the BR code and the BR channel is mapped to at least one of the best BS receive beam and the best BS transmit beam, and transmits the selected BR code to a BS over the selected BR channel. The BS allocates a UL resource for transmission of a BR message and UL data considering the best BS receive beam. | 08-08-2013 |
20130215941 | BUFFER MANAGEMENT DEVICE AND METHOD FOR HYBRID AUTOMATIC REPEAT REQUESTS IN A WIRELESS COMMUNICATION SYSTEM - Effective management of a Hybrid-Automatic Repeat reQuest (HARQ) buffer in a wireless communication system is provided. A receiving terminal includes a first memory for storing Log Likelihood Ratio (LLR) values of at least one data block comprised in a received HARQ burst in a first memory, a channel decoder for decoding the at least one data block by using the LLR values, an error detection unit for detecting whether there are errors in the decoded at least one data block, and a second memory for storing at least one error-free data block in a decoded state among the data blocks in a second memory. | 08-22-2013 |
20130260772 | MULTI-TIER CLUSTERING APPARATUS IN WIRELESS COMMUNICATION SYSTEM AND METHOD THEREOF - An apparatus and a method for configuring and managing/controlling a cluster, which is a set of Base Stations (BSs) for transmitting signals cooperatively, are provided. The method includes broadcasting cluster set information indicating information about a plurality of clusters including a serving BS to a User Equipment (UE), receiving a report of information about Received Signal Strength Indicators (RSSIs) of control signals transmitted from BSs included in the plurality of clusters from the UE, and assigning any one of the plurality of clusters to a cluster for servicing the UE based on the information about the RSSIs of the control signals. | 10-03-2013 |
20130301454 | COMMUNICATION METHOD AND APPARATUS USING ANALOG AND DIGITAL HYBRID BEAMFORMING - A communication method and apparatus using analog and digital hybrid beamforming are provided. The method includes receiving a first message including a measurement and selection condition for hybrid beamforming from a Base Station (BS), measuring channels of a plurality of BS transmission beams, selecting at least one BS transmission beam based on channel measurements, transmitting report information about the selected at least one BS transmission beam to the BS, receiving from the BS a second message, estimating an effective channel matrix for the selected final BS transmission beam according to the measurement and report condition, determining feedback information for digital beamforming of the BS based on the effective channel matrix, transmitting the determined feedback information to the BS, and receiving a data burst from the BS according to a Multiple Input Multiple Output (MIMO) mode and/or a configuration scheduled based on the feedback information. | 11-14-2013 |
20130308569 | COORDINATED COMMUNICATION IN COMMUNICATION SYSTEM - A method of supporting communication of a terminal in a first base station of a beamforming system is provided. The method includes determining an uplink control channel through which both the first base station and at least one second base station are able to receive signals, through cooperation with the at least one second base station, the first base station and the at least one second base station belonging to a cloud cell, and transmitting to the terminal information on the determined uplink control channel and frame information to establish relationships with the base stations included in the cloud cell for each transmit frame of a signal to be transmitted to the terminal from the base stations. | 11-21-2013 |
20130343303 | COMMUNICATION METHOD AND APPARATUS USING BEAMFORMING IN A WIRELESS COMMUNICATION SYSTEM - A communication method and an apparatus using beamforming in a wireless communication system are provided. The communication method includes determining a candidate user set including one or more Mobile Stations (MSs), for Multiple User-Multiple Input Multiple Output (MU-MIMO) transmission, transmitting beam information indicating best Base Station (BS) transmission beams of the MSs of the candidate user set to the MSs of the candidate user set, receiving Precoding Matrix Index (PMI) information indicating a PMI to be used for baseband precoding from each of the MSs of the candidate user set, the PMI information being determined based on the beam information, and transmitting a signal precoded based on the PMI information to at least one MS. | 12-26-2013 |
20140126449 | APPARATUS AND METHOD FOR TRANSMITTING SIGNAL IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for transmitting control information in a small base station of a wireless communication system are provided. In the method, when the small base station operates in a Low Duty operation Mode (LDM) in a superframe, a control signal including LDM operation information is generated. Only a subframe via which a preamble, a control signal including the LDM operation information, and a SuperFrame Header (SFH) are transmitted is transmitted during the superframe. When the small base station operates in a normal operation mode in a superframe, at least one of the control information and data is transmitted via at least one subframe of the superframe. | 05-08-2014 |
20140146863 | APPARATUS AND METHOD FOR BEAMFORMING GAIN DIFFERENCE COMPENSATION ACCORDING TO CHANGE OF TRANSMITTING AND RECEIVING BEAM PATTERN IN BEAMFORMING BASED WIRELESS COMMUNICATION SYSTEM - A method of operating a Mobile Station (MS) in a wireless communication system using beamforming includes receiving a reference signal over a plurality of downlink transmit (Tx) beams, measuring channel quality information of the received reference signal, and generating effective channel quality information by compensating for beamforming gain compensation information according to the channel quality information. | 05-29-2014 |
20140177687 | MODULATION METHOD AND APPARATUS WITH CONSIDERATION OF ADAPTIVE HYBRID AUTOMATIC REPEAT REQUEST IN WIRELESS COMMUNICATION SYSTEM - A modulation method and an apparatus with consideration of adaptive Hybrid Automatic Repeat reQuest (HARQ) in a wireless communication system are provided. The method of a transmission end supporting a hybrid modulation technique in which different types of modulation schemes are mixed, information of a channel state with a reception end is collected. A modulation order of a first type of a modulation scheme and a modulation order of a second type of a modulation scheme are determined. The modulation order of a first type of a modulation scheme and a modulation order of a second type of a modulation scheme form the hybrid modulation technique. | 06-26-2014 |
20140177756 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING SIGNAL IN COMMUNICATION SYSTEM - A method for transmitting a signal by a signal transmission apparatus in a communication system is provided. The method includes detecting a parameter related to a Quadrature Amplitude Modulation (QAM) scheme and a parameter related to a Frequency Shift Keying (FSK) scheme based on channel quality and an interference component, and modulating information bits using a modulation scheme based on the QAM scheme and the FSK scheme which uses the parameter related to the QAM scheme and the parameter related to the FSK scheme. | 06-26-2014 |
20140328266 | METHOD AND APPARATUS FOR MEASURING AND FEEDING BACK CHANNEL INFORMATION IN COMMUNICATION SYSTEM USING BEAM FORMING - A method of feeding back channel information by a receiver in a communication system beam forming is provided. The method includes determining an optimum reception beam using intensities of reference signals received through transmission beams of a base station for a first period through a first path for mapping analog beams of an input signal, and determining an optimum transmission beam of the transmission beams using intensities of reference signals received through the optimum reception beam for a second period through a second path for mapping analog beams of the input signal, and transmitting channel information measured by using a reference signal received through the optimum transmission beam and the optical reception beam to a transmitter. | 11-06-2014 |
20150163027 | METHOD AND APPARATUS FOR PROVIDING COMMUNICATION SERVICE TO MOBILE STATION BY MULTIPLE BASE STATIONS IN COOPERATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for providing a service to a Mobile Station (MS) by a plurality of Base Stations (BSs) operating in cooperation in a wireless communication system are provided. The method includes configuring, by a master BS, a first cooperative cell including at least one slave BS, sending a resource request message for requesting resource allocation to the at least one slave BS included in the first cooperative cell, receiving, from each of the at least one slave BS, a resource request response message including resource approval control results for the resource allocation request, changing member BSs constituting the first cooperative cell based on the resource request response message, and allocating resources to an MS that is served in the first cooperative cell. | 06-11-2015 |
20150215873 | UPLINK SIGNAL TRANSMITTING AND RECEIVING METHOD AND DEVICE IN A WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for transmitting and receiving an uplink signal by a mobile terminal in a wireless communication system are provided. The first mobile terminal includes a receiver configured to receive, from a base station, a power control variable determined based on an interference value for a first receive beam used in order to receive an uplink signal of the first mobile terminal from among a plurality of receive beams of the base station, to receive, from the base station, neighboring receive beam allocation data indicating whether any of the receive beams in the plurality of receive beams, different from the first receive beam, is being used for uplink signal reception, to determine an uplink transmit power value based on the received power control variable and neighboring receive beam allocation data, and to transmit an uplink signal to the base station by using the determined uplink transmit power value. | 07-30-2015 |
20150249995 | APPARATUS AND METHOD FOR OPERATING MULTIPLE BEAMFORMING TRANSCEIVER IN WIRELESS COMMUNICATION SYSTEM - A method for operating a base station in a wireless communication system in order to support a plurality of propagation characteristics is provided. The method includes allocating resource periods for respective propagation characteristics, transmitting system information including information on the propagation characteristics, transmitting a reference signal with the propagation characteristic corresponding to the relevant resource period through at least one of the resource periods, and receiving feedback information determining channel qualities for all of the propagation characteristics. | 09-03-2015 |
20160066279 | Method and Apparatus for Adjusting Beam Width in Wireless Communication System - The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). | 03-03-2016 |
Jum Soo Seol, Busan-Shi KR
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20100132620 | AIR INFLATING AND DEFLATING FLOAT FOR MARINE CULTIVATION, MANUFACTURING METHOD THEREOF, AND VALVE USED THEREIN - Disclosed are an air inflating and deflating float for marine cultivation and a manufacturing method thereof. The air inflating and deflating float for marine cultivation includes a soft float body provided with a valve fixing part with an insertion hole, formed at the center thereof and connected to the inside of the float body, formed at one side of the float body; a valve inserted into the insertion hole of the valve fixing part, and provided with a through hole, through which air comes in and out, formed therein; and a protection cap inserted into the valve fixing part to prevent the air from being discharged via the through hole of the valve, and closing the through hole of the valve. | 06-03-2010 |
K. D. Seol, Pusan KR
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20080313928 | Wheeled footwear with spring suspension system - An exemplary wheeled footwear with a spring suspension system is provided. In one embodiment, the footwear includes an upper, a midsole positioned in a midsole region, and an outsole. The spring suspension system is positioned in the midsole region of the footwear, and includes plurality of spring members, each having a first end and a second end, a top layer operable to support at least a portion of the plurality of spring members at the first end, and a bottom layer operable to support at least a portion of the plurality of spring members at the second end. The bottom layer may include an opening or openings formed in the bottom layer that may receive at least a portion of a wheel or wheels that may be positioned below the top layer and operable for rolling. | 12-25-2008 |
Kwangsoo Seol, Yongin-Si KR
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20100202206 | NON-VOLATILE MEMORY DEVICES INCLUDING VERTICAL NAND CHANNELS AND METHODS OF FORMING THE SAME - A non-volatile memory device can include a plurality of immediately adjacent offset vertical NAND channels that are electrically coupled to a single upper select gate line or to a single lower select gate line of the non-volatile memory device. | 08-12-2010 |
20110013458 | MEMORY DEVICES SUPPORTING SIMULTANEOUS PROGRAMMING OF MULTIPLE CELLS AND PROGRAMMING METHODS THEREOF - Some embodiments of the present invention provide methods of programming memory devices that include an array of vertical channels passing through a stacked plurality of word plates, wherein respective columns of vertical channels are configured to be coupled to respective bit lines. In some method embodiments, potentials of the vertical channels are boosted, followed by selectively applying respective data to vertical channels via the bit lines to thereby selectively change the potentials of the vertical channels according to the data. A program voltage is subsequently applied to a selected word plate to thereby program a plurality of cells. | 01-20-2011 |
20130270625 | THREE-DIMENSIONAL SEMICONDUCTOR MEMORY DEVICES AND METHODS OF FABRICATING THE SAME - A three-dimensional (3D) semiconductor memory device includes a stack structure, a channel structure, and a vertical insulator. The stack structure includes gate patterns and insulating patterns which are alternately and repeatedly stacked on a substrate. A channel structure penetrates the stack structure and is connected to the substrate. A vertical insulator includes a high-k dielectric layer. The vertical insulator is covered by the channel structure and the high-k dielectric pattern of the vertical insulator is in contact with the gate patterns. | 10-17-2013 |
Kwang Soo Seol, Hwasung-City KR
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20120098051 | NONVOLATILE MEMORY DEVICE AND METHOD OF FORMING THE SAME - A nonvolatile memory device and a method of forming the same, the device including a semiconductor substrate; a plurality of gate patterns stacked on the semiconductor substrate; inter-gate dielectric patterns between the gate patterns; active pillars sequentially penetrating the gate patterns and the inter-gate dielectric patterns to contact the semiconductor substrate; and a gate insulating layer between the active pillars and the gate patterns, wherein corners of the gate patterns adjacent to the active pillars are rounded. | 04-26-2012 |
20140065810 | METHOD OF FORMING NONVOLATILE MEMORY DEVICE - A nonvolatile memory device and a method of forming the same, the device including a semiconductor substrate; a plurality of gate patterns stacked on the semiconductor substrate; inter-gate dielectric patterns between the gate patterns; active pillars sequentially penetrating the gate patterns and the inter-gate dielectric patterns to contact the semiconductor substrate; and a gate insulating layer between the active pillars and the gate patterns, wherein corners of the gate patterns adjacent to the active pillars are rounded. | 03-06-2014 |
Kwang-Soo Seol, Gyeonggi-Do KR
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20100012186 | Bulb-Type Light Concentrated Solar Cell Module - Provided is a bulb-type light concentrated solar cell module that includes a reflective mirror unit that is concavely formed to convergingly reflect sunlight and has a first hole on a bottom thereof; a solar cell that generates electrical energy in response to light received from the reflective mirror unit; a socket that blocks the first hole at a lower part of the reflective mirror unit and is fixed on the reflective mirror unit; and a power control unit that is electrically connected to the solar cell to generate electricity in the socket. | 01-21-2010 |
20130093005 | THREE-DIMENSIONAL SEMICONDUCTOR MEMORY DEVICE - Three-dimensional (3D) semiconductor memory devices are provided. According to the 3D semiconductor memory device, a gate structure includes gate patterns and insulating patterns alternately stacked on a semiconductor substrate. A vertical active pattern penetrates the gate structure. A gate dielectric layer is disposed between a sidewall of the vertical active pattern and each of the gate patterns. A semiconductor pattern is disposed on the gate structure and is connected to the vertical active pattern. A string drain region is formed in a portion of the semiconductor pattern and is spaced apart from the vertical active pattern. | 04-18-2013 |
Kwang-Soo Seol, Suwon-Si-Si KR
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20090034341 | Non-volatile memory devices and programming methods thereof including moving electrons through pad oxide layers between charge trap layers - Non-volatile memory devices and methods of programming a non-volatile memory device in which electrons are moved between charge trap layers through a pad oxide layer are provided. The non-volatile memory devices include a charge trap layer on a semiconductor substrate and storing electrons, a pad oxide layer on the first charge trap layer, and a second trap layer on the pad oxide layer and storing electrons. In a programming mode in which data is written, the stored electrons are moved between a first position of the first charge trap layer and a first position of the second charge trap layer through the pad oxide layer or between a second position of the first charge trap layer and a second position of the second charge trap layer through the pad oxide layer. | 02-05-2009 |
20090061613 | Method of forming aluminum oxide layer and method of manufacturing charge trap memory device using the same - Provided is a method of forming an aluminum oxide layer and a method of manufacturing a charge trap memory device using the same. The method of forming an aluminum oxide layer may include forming an amorphous aluminum oxide layer on an underlying layer, forming a crystalline auxiliary layer on the amorphous aluminum oxide layer, and crystallizing the amorphous aluminum oxide layer. Forming the crystalline auxiliary layer may include forming an amorphous auxiliary layer on the amorphous aluminum oxide layer; and crystallizing the amorphous auxiliary layer. | 03-05-2009 |
Kwnag-Soo Seol, Yongin-Si KR
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20110068409 | RESISTIVE MEMORY DEVICES INCLUDING VERTICAL TRANSISTOR ARRAYS AND RELATED FABRICATION METHODS - A resistive memory device includes a vertical transistor and a variable resistance layer. The vertical transistor includes a gate electrode on a surface of a substrate, a gate insulation layer extending along a sidewall of the gate electrode, and a single crystalline silicon layer on the surface of the substrate adjacent to the gate insulation layer. At least a portion of the single crystalline silicon layer defines a channel region that extends in a direction substantially perpendicular to the surface of the substrate. The variable resistance layer is provided on the single crystalline silicon layer. The variable resistance layer is electrically insulated from the gate electrode. Related devices and fabrication methods are also discussed. | 03-24-2011 |
20110116322 | CHARGE RECYCLING MEMORY SYSTEM AND A CHARGE RECYCLING METHOD THEREOF - A memory system, including a nonvolatile memory device, a charge recycler configured to discharge charges from the nonvolatile memory device and recycle the discharged charges, and a controller configured to control the nonvolatile memory device and the charge recycler, wherein the controller controls the charge recycler to recycle the discharged charges, wherein during the recycling the charge recycler charges the charges discharged from the nonvolatile memory device. | 05-19-2011 |
Kyung-Moon Seol, Gyeonggi-Do KR
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20130050038 | ANTENNA APPARATUS OF MOBILE TERMINAL - A built-in antenna apparatus of a mobile terminal includes a main board having at least one feeding portion for feeding RF power and at least one grounding portion at ground potential. The antenna apparatus includes first and second thin metal plates configured to be stacked on the main board and spaced from one another. The second metal plate is electrically connected to the feeding portion and has a length sufficient to resonate within a communication frequency band of the mobile terminal The first metal plate is electrically connected to the grounding portion and electromagnetically coupled with the second metal plate to resonate. | 02-28-2013 |
20140045375 | ELECTRONIC DEVICE AND INTERFACE CONNECTOR - An interface connector includes a connection terminal unit configured to be connected with an external connector, and a metallic shell configured to enclose the connection terminal unit. The metallic shell includes a first shell unit, in which the connection terminal unit is mounted, and which is grounded with a printed circuit board, and a second shell unit mounted to be separated and spaced from the first shell unit. An electronic device comprises a connection terminal unit configured to be connected with an external connector and a metallic shell configured to enclose the connection terminal unit, wherein the metallic shell comprises a first shell unit in which the connection terminal unit is mounted, and a second shell unit mounted to be separated and spaced from the first shell unit. | 02-13-2014 |
Marn Taek Seol, Yang Pyung-Gun KR
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20130037369 | TWIN CLUTCH HUB - A twin clutch hub includes a one-way roller clutch and a ratchet pawl based clutch mounted to a bicycle hub. A chain wheel seat receives driving power from a bicycle rear wheel and is in operative coupling with the one-way roller clutch and the ratchet pawl based clutch, which are in turn operatively coupled to the hub. When the ratchet pawl based clutch shows a returning side tooth backlash that is greater than or equal to an angle of deformation of the one-way roller clutch, transmission is performed with the one-way roller clutch to make backlash approximating zero. When the angle of returning side tooth backlash of the ratchet pawl based clutch is smaller than or equal to the angle of deformation of the one-way roller clutch, transmission is performed through both the one-way roller clutch and the ratchet pawl based clutch to realize high efficiency twin clutch hub. | 02-14-2013 |
Myeong Hwan Seol, Gongju-Si KR
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20120146351 | MULTI-PURPOSE TONGS - A multi-purpose tongs having a body in which an operation rod is inserted into a hollow hole thereof and a handle fitted to one side of the body while being penetrably formed, at one side thereof, with a slot, includes a vertical flange provided at one side end of the operation rod so as to radially extend, a fixed lever which is penetrably formed, at a central region thereof, with a through hole, the fixed lever being integrally constituted, at one side thereof, with the handle while protruding outward at the other side thereof, and an operation lever which is hinged-fixed, at an intermediate portion thereof, to the fixed lever, the operation lever including an upper operation lever provided, at one side thereof, outward of the handle and a lower operation lever provided, at the other side thereof. | 06-14-2012 |
Sang-Ho Seol, Hwaseong-Si KR
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20090280001 | Unit and method for transferring substrates and apparatus and method for treating substrates with the unit - The present invention is related to a method for transferring substrates. The method comprise simultaneously transferring two substrates, by means of a transfer unit, between first support plates disposed to be vertically spaced apart from each other and second support plates arranged abreast in a lateral direction. The transfer unit comprises a top blade and a bottom blade converted to a folded state where they are vertically disposed to face each other and an unfolded state where they rotate at a preset angle in opposite directions. The transfer unit place/take a substrate on/out of the first support plates under the folded state and place/take a substrate on/out of the second support plates under the unfolded state. | 11-12-2009 |
Sang Hoon Seol, Busan KR
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20110103883 | Insert-molded ball joint - Disclosed herein is an insert-molded ball joint which is configured such that rotational frictional torque of a ball stud is kept below the appropriate level, pull-out strength of the ball stud is increased, and play of the ball stud is minimized. The ball stud has a spherical head. The spherical head of the ball stud is rotatably inserted into the ball seat. The housing covers the ball seat and a portion of the spherical head that is exposed from the ball seat. The upper end of the ball seat is disposed higher than the center of the spherical head. The housing includes a head support which covers the spherical head. A ball seat grease groove is formed in the inner surface of the ball seat. Housing grease grooves are formed in the head support in a vertical direction and meet the upper end of the ball seat. | 05-05-2011 |
20110217112 | BALL STUD OF BALL JOINT FOR VEHICLE AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a ball stud of a ball joint for a vehicle. The ball stud includes a ball stud body and an auxiliary flange plate. The ball stud body includes a spherical head, a neck provided on the spherical head, a flange provided on the neck, a connection part provided on the flange, and a threaded part which is coaxially provided on the connection part. A thread is formed on the threaded part. The threaded part has an outer diameter greater than a diameter of the connection part. The auxiliary flange plate is fitted over the connection part. A coupling hole is formed through a central portion of the auxiliary flange plate. The coupling hole has a diameter less than the outer diameter of the threaded part. The auxiliary flange plate has a support area greater than a support area of the flange. | 09-08-2011 |
Seong-Hwan Seol, Incheon KR
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20110047240 | COMPUTER SYSTEM AND CONTROL METHOD THEREOF - A computer system and a control method thereof permits utilization of a first or local computer system to access an external computer system more conveniently and can utilize various screens of the computer system more efficiently to access the external computer system. The computer system includes: at least one device unit; a communication unit which communicates with an external computer system; an input unit which receives a user input; and a control unit which controls the device unit to perform an operation based on a first user input which is input through the input unit, and transmits a second user input, which is input through the input unit, to the external computer system through the communication unit to allow the external computer system to be operated based on the second user input. | 02-24-2011 |
Seong Woon Seol, Gumi-Si KR
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20110093899 | METHOD FOR OUTPUTTING ELECTRONIC PROGRAM GUIDE AND BROADCASTING RECEIVER ENABLING OF THE METHOD - A method for outputting an EPG and a broadcasting receiver employing the method are disclosed. More particularly, a method for outputting an EPG and a broadcasting receiver employing the method are disclosed, in which the EPG output from the broadcasting receiver includes RSS information to allow a user to easily identify the RSS information from the EPG. | 04-21-2011 |
Seong Woon Seol, Daegu KR
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20090132947 | DISPLAY DEVICE FOR HAVING THE FUNCTION OF EDITING RECORDED DATA AND METHOD FOR CONTROLLING THE SAME - The present invention relates to a display device having a function of editing recorded data and a method for controlling the same. The method comprises the steps of receiving a command for executing the recorded data editing function, displaying a progressive bar for at least two recorded data and a progressive bar for an edited recorded data to be newly created, selecting editing sections for the at least two recorded data, and inserting the selected editing section in the progressive bar for the edited recorded data to be newly created. | 05-21-2009 |
Seong-Woon Seol, Gyeonggi-Do KR
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20100175085 | SYSTEM AND METHOD FOR DISPLAYING ELECTRONIC PROGRAM GUIDE - Provided is a method for providing electronic program guide of an image display device. A system for displaying an electronic program guide includes a management server and an image display device. The management server collects recommended program-related information from at least one image display device connected through a network, and compiles the same. The image display device receives the compiled recommended program-related information from the management server, and reflects the received recommended program-related information to the electronic program guide to reconstruct the electronic program guide. | 07-08-2010 |
20110096094 | DISPLAY DEVICE AND METHOD OF OPERATING THE SAME - A display device and a method of operating the display device are provided. The display device includes a media interface unit for receiving images through an external memory card, a memory unit for storing the images therein, a network interface unit for receiving related contents from an external server using image taking time information and GPS information contained in the images, and a controller displaying the images together with the contents provided through the network interface unit with reference to the image taking time information and the GPS information. | 04-28-2011 |
Se-Seok Seol, Changwon-Si KR
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20120141312 | COMPRESSOR - The present invention relates to a compressor in which a rotary member is suspended on a stationary member and rotated to compress the refrigerant. In the stationary member, top and bottom ends of a stationary shaft are fixed to improve the structural stability and assembly property. Bearing covers are provided on a contact portion of the stationary member and the rotary member such that the rotary member can be rotated when suspended on the stationary member. This stabilizes the operation. In the rotary member, a vane is integrally formed with a roller and mounted on a vane mounting hole of a cylinder-type rotor. This reduces the vibration and prevents refrigerant leakage to improve the compression effect. Although the rotary member is provided on an outer circumferential surface of the stationary member, it is possible to perform the suction and discharge of the refrigerant in the axial direction. This can lower the product height. The oil stored in a hermetic container is supplied to a lubrication passage provided between the stationary member and the rotary member, thereby reducing a friction loss between the components and achieving the operation reliability. | 06-07-2012 |
Seung Kwon Seol, Pohang-Si KR
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20090308754 | FABRICATION OF FREESTANDING MICRO HOLLOW TUBES BY TEMPLATE-FREE LOCALIZED ELECTROCHEMICAL DEPOSITION - The present invention provides a method of fabricating a micro hollow tube, more specifically, a method of fabricating a micro hollow tube by template-free localized electrochemical deposition, in which the micro hollow tube is fabricated by the accurate control of the distribution of the electric field strength during deposition with precise interplay of the applied voltage and the distance between the microelectrode and the grown structure. | 12-17-2009 |
Soonuk Seol, Daejeon KR
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20120294174 | BANDWIDTH CALCULATING METHOD AND APPARATUS FOR RESOURCE RESERVATION IN mVoIP SYSTEM - A provided is a bandwidth calculating method for resource reservation. The method includes receiving a message having a CODEC type and a ptime value wherein the ptime denotes an interval of transmitting a packet, extracting the CODEC type and the ptime value from the received message, and calculating a required bandwidth using the extracted CODEC type and the extracted ptime value. | 11-22-2012 |
So-Young Seol, Busan KR
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20090269757 | DIAGNOSIS KITS AND METHOD FOR DETECTING CANCER USING POLYMORPHIC MINISATELLITE - The present invention relates to a kit and a method for diagnosing cancer using polymorphic minisatellites (MS), more specifically, relates to a primer set for detecting polymorphic minisatellites MUC2-MS6 or MUC2-MS7 in the MUC2 gene, a DNA typing kit comprising said primer set, and a kit and a method for diagnosing cancer using a primer set for detecting polymorphic minisatellites MUC2-MS6, MUC2-MS7 or hTERT-VNTR 2-2. According to the present invention, DNA typing of MUC2-MS6 and MUC2-MS7 can effectively achieve the parentage identification, kinship identification or medicolegal examination, because the polymorphic minisatellites MUC2-MS6 and MUC2-MS7 are inherited through meiosis according to Mendelian genetics. In addition, the polymorphic minisatellites MUC2-MS6, MUC2-MS7 and hTERT-VNTR 2-2 can be used to predict and diagnose various cancers; such as gastric cancer, colon cancer, rectal cancer and prostate cancer etc. | 10-29-2009 |
Yeongho Seol, Daejeon KR
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20120223948 | METHOD, APPARATUS AND SYSTEM FOR DENSE GRAPH SIMPLIFICATION, AND RECORDING MEDIUM FOR THE SAME - Provided are a method, an apparatus and a system for dense graph simplification, and a recording medium for the same. The method includes receiving an original graph and extracting a plurality of salient points, which minimize a cost representing a greatest vertical distance between the original graph and each of a plurality of lines connecting two data points in a designated region on the original graph; and outputting a simplified graph in which the extracted salient points are connected. Thus, optimal results are ensured in dense graph simplification, and interactive control is allowed for a user. | 09-06-2012 |
Young Gug Seol, Yongin-City KR
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20140305180 | BENDING APPARATUS AND BENDING METHOD USING THE SAME - Provided are a bending apparatus and a bending method. According to an aspect of the present invention, there is provided a bending apparatus including a guide portion configured to guide a movement and a bending of a flexible substrate so that the flexible substrate is bent and moved, a first fastening portion configured to fix one side of the flexible substrate that is bent along the guide portion, a second fastening portion configured to fix an other side of the flexible substrate, and a driving portion configured to move at least one of the first fastening portion and the second fastening portion. | 10-16-2014 |
20150028331 | THIN-FILM TRANSISTOR, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING BACKPLANE FOR FLAT PANEL DISPLAY - Provided are a thin-film transistor (TFT), a method of manufacturing the same, and a method of manufacturing a backplane for a flat panel display (FPD). The method of manufacturing the TFT according to an embodiment of the present invention includes forming a gate electrode on a substrate; forming an insulating layer on the substrate to cover the gate electrode; performing a plasma treatment on an upper surface of the insulating layer using a halogen gas; forming an oxide semiconductor layer on the insulating layer and positioned to correspond to the gate electrode; and forming source and drain electrodes on the insulating layer to contact and over portions of the oxide semiconductor layer. | 01-29-2015 |
20150084003 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display, including a flexible substrate bent in a first direction, an OLED arranged on the flexible substrate, a first thin film transistor connected to the OLED and including a first channel area extending in a second direction crossing the first direction, and one or more additional thin film transistors connected to the first thin film transistor and including corresponding additional channel areas extending in the second direction. | 03-26-2015 |
Young Gug Seol, Hwaseong-Si KR
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20140333333 | SUBSTRATE EVALUATION APPARATUS AND SUBSTRATE EVALUATION METHOD USING THE SAME - A substrate evaluation apparatus and method which includes a substrate storage portion accommodating a substrate, first and second fastening portions are arranged in the substrate storage portion and are each fastened to a side of the substrate, a driving portion driving the first and second fastening portions, and a measurement portion measuring electrical characteristics of the substrate through application of an electrical signal to the substrate. | 11-13-2014 |
20150041769 | DISPLAY DEVICE - A display device is disclosed. In one aspect, the display device includes a flexible substrate capable of being bent in a first direction and an insulating layer including a first opening pattern positioned on the flexible substrate and extending in a second direction crossing the first direction. | 02-12-2015 |
20150060784 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A method of manufacturing an organic light emitting display includes: patterning an amorphous silicon layer to form an amorphous silicon layer pattern; forming an insulating layer on the amorphous silicon layer pattern; forming a gate electrode on a part of the insulating layer which corresponds to the amorphous silicon layer pattern; forming a blocking film on the gate electrode and the insulating layer; doping an impurity in a part of the amorphous silicon layer pattern; annealing the amorphous silicon layer pattern on which the impurity is doped to form a semiconductor layer; removing the blocking film; etching the insulating layer using the gate electrode as a mask to form a gate insulating layer below the gate electrode; forming an interlayer insulating layer using an organic insulator on a buffer layer, the gate electrode, and the semiconductor layer. | 03-05-2015 |
20150179722 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes: a curved organic light emitting display panel. The organic light emitting display panel includes a flexible substrate, a thin film transistor layer including a semiconductor layer, and an organic light emission layer including an organic light emitting material. In the curved organic light emitting display panel, the thin film transistor layer receives a compressive stress, or a neutral plane in which the compressive stress and a tensile stress maintain equilibrium is defined in the thin film transistor layer. | 06-25-2015 |
20150268914 | DISPLAY DEVICE - A display device includes a first display, an accommodation unit on a side of the first display, and a second display. The second display is rollably accommodated in the accommodation unit in a rolled state. | 09-24-2015 |
Young Gug Seol, Gyeongsangbuk-Do KR
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20090057655 | ORGANIC THIN FILM TRANSISTOR COMPRISING GATE ELECTRODE OF NANOCRYSTALLINE CONDUCTIVE CARBON LAYER, FABRICATION METHOD THEREOF, AND ORGANIC SEMICONDUCTOR DEVICE COMPRISING THE SAME - Provided are an organic thin film transistor (OTFT) and a fabrication method thereof, an organic semiconductor device having the OTFT, and a flexible display device having the OTFT. The OTFT includes a substrate, a gate electrode, an insulating layer, an active layer, and a source/drain electrode. The gate electrode may be made of a nanocrystalline carbon layer. | 03-05-2009 |
Young-Gug Seol, Yongin-Si KR
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20140146279 | ANTI-SCRATCH FILM FOR FLEXIBLE DISPLAY - An anti-scratch film, including a film base and an anti-scratch layer on one side of the film base. The anti-scratch layer includes a plurality of protrusions. | 05-29-2014 |
Young-Yun Seol, Suwon-Si KR
Patent application number | Description | Published |
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20120185882 | DISK LOADING APPARATUS - A disk loading apparatus includes a disk selecting unit rotatable through a rotating angle which corresponds to a size of an inserted disk, a pair of guide arms that are spaced from the disk selecting unit and are rotated by the disk, a small diameter loading lever that is rotated by one of the guide arms, a large diameter loading lever that is moved by the guide arms, a slide cam unit that is moved by the small diameter loading lever or the large diameter loading lever, and a chuck unit which is disposed between the guide arms and the disk selecting unit and is operated by the slide cam unit to chuck the disk. The small diameter loading lever and the large diameter loading lever are disposed at a same height above the guide arms. | 07-19-2012 |
20140059574 | DISC VISIBLE TYPE DISC DRIVE APPARATUS - A disc-visible type disk drive apparatus is disclosed. The disk drive apparatus includes: a main body casing having a first slot provided at a first side surface to load a disc; a protection cover having a first cover provided on the first side surface of the main body casing, wherein the first cover covers a portion of the disc exposed outside the main body casing through the first slot and forms a passage through which the disc passes during loading and unloading; a disc detecting sensor disposed in the first cover which detects the disc; and a disc loading unit disposed in the main body casing and having a loading roller which is driven so as to load the disc if the disc is detected by the disc detecting sensor. | 02-27-2014 |