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Dae-Sik
Dae Sik Choi, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20080307006 | FILE MUTATION METHOD AND SYSTEM USING FILE SECTION INFORMATION AND MUTATION RULES - Provided are a file mutation method and a system using file section information and mutation rules. The file mutation system includes: a file section information extraction module obtaining file section information with respect to a sample file of a known file format; a file section information production module producing file section information with respect to a sample file of an unknown format; a mutation rule production module receiving a user input that a mutation rule is applied and producing a mutation rule, the mutation rule defining a mutation function that is to be applied to each data type; and a file mutation module receiving the sample file and producing a plurality of test case files that are created by mutating the sample file through the file section information processed in the file section information extraction module and the file section information production module and the mutation rule from the mutation rule production module. | 12-11-2008 |
| 20080313417 | APPARATUS AND METHOD OF DETECTING AND CONTROLLING PRIVILEGE LEVEL VIOLATION PROCESS - Provided are an apparatus and method of detecting and controlling a privilege level violation process. The apparatus monitors whether higher-privileged processes depend on information provided from lower-privileged objects or denies the higher-privileged processes to access the lower-privileged objects. The apparatus is provided in a process, and monitors whether a process accesses to a lower-privileged object. The apparatus gives a warning message or denies an access of the process to the lower-privileged object when it detects that the higher-privileged process access to the lower-privileged object. Therefore, the apparatus of detecting and controlling a privilege level violation process detects weaknesses that may be caused by privilege level violation, thus allowing a system to be safely operated. | 12-18-2008 |
| 20090100517 | APPARATUS AND METHOD FOR MONITORING AND PROTECTING SYSTEM RESOURCES FROM WEB BROWSER - An apparatus and method for preventing an attempt to perform malicious activities using web browser weaknesses are provided. A file protection module monitors attempts to access at least one file resource when the web browser executes a program, and allows or denies access. A registry protection module monitors attempts to access at least one registry resource when the web browser executes a program, and allows or denies access. A process protection module monitors attempts to execute or terminate at least one process when the web browser executes a program, and allows or denies the execution or termination. | 04-16-2009 |
Dae Sik Min, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090261238 | Radiation Detecting System Using Solid-State Sensors With Electronic Cooling And Method Of Preventing Condensation Using The Same - The invention provides a radiation detector that can efficiently cool solid-state sensors used in collecting photons produced during conversion of radiation to light. The radiation detector can achieve an excellent cooling effect by transferring heat, which is produced during the cooling process, through a housing. The radiation detector comprises of an detection unit that detects the photons produced during the conversion of radiation to light, by utilizing a plurality of solid-state sensors installed on the motherboard. The radiation detector further comprises a heat transferring unit that cools the plurality of solid-state sensors simultaneously. | 10-22-2009 |
Dae Sik Shin, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110002144 | INTEGRATED OPTICAL SHEET AND OPTICAL DEVICE HAVING THE SAME - Provided are an integrated optical sheet and an optical device having the same, and more particularly, an integrated optical sheet and an optical device having the same, in which a diffuser film and a prism film are integrated in a thin structure. The optical sheet includes a light collector including a plurality of prism elements extending in a first direction, and an anisotropic diffuser including a plurality of optical elements extending from a surface of the light collector opposite to the surface having the prism elements in a second direction different from the first direction. One part including downward prism elements and scattering elements is formed at one surface and the other part including diffusion elements is formed at the other surface to integrate a conventional diffusion film to a horizontal prism film, providing a thin optical sheet. | 01-06-2011 |
Dae Sik Song, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090034351 | NON-VOLATILE MEMORY DEVICE AND METHOD OF HANDLING A DATUM READ FROM A MEMORY CELL - A memory device includes a pre-charge transistor for connecting/disconnecting the input line of a global data line driver to a supply voltage line. To reduce the flow of current through the pre-charge transistor even in a stand-by state, the pre-charge transistor is turned on when, at a same time, an enabling signal of a page buffer is asserted, and a low voltage functioning mode is selected and the memory device is not in a stand-by state. Alternatively, the memory device may be in a stand-by state but the datum read from the memory is high. The pre-charge transistor is securely turned off in all other cases. | 02-05-2009 |
Dae-Sik Choi, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090250741 | Semiconductor device and gate structure having a composite dielectric layer and methods of manufacturing the same - A semiconductor device and/or gate structure having a composite dielectric layer and methods of manufacturing the same is provided. In the semiconductor device, gate structure, and methods provided, a first conductive layer may be formed on a substrate. A native oxide layer formed on the first conductive layer may be removed. A surface of the first conductive layer may be nitrided so that the surface may be altered into a nitride layer. A composite dielectric layer including the first and/or second dielectric layers may be formed on the nitride layer. A second conductive layer may be formed on the composite dielectric layer. The first dielectric layer may include a material having a higher dielectric constant. The second dielectric layer may be capable of suppressing crystallization of the first dielectric layer. | 10-08-2009 |
Dae-Sik Choi, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20110143177 | SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF - Provided is a secondary battery, comprising an electrode assembly including a first electrode plate, a second electrode plate and a separator; and a case having a receiving portion for receiving the electrode assembly and an electrolyte therein, the secondary battery comprising: a blowing agent applied onto at least one of a first tab and a second tab in a width direction of the tab, the first and second tabs being, respectively, connected to the first and second electrode plates and connected to leads which extend through the case. | 06-16-2011 |
Dae-Sik Hong, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080247330 | METHOD AND APPARATUS FOR SELECTING ANTENNA IN A COMMUNICATION SYSTEM - A method and apparatus for selecting an antenna in a communication system is provided. The apparatus includes a mobile station for determining a set of transmit antennas by considering statistical channel information, for determining a subset of the transmit antennas, which can increase a diversity gain and reduce an effect of a spatial correlation, from among the determined set of the transmit antennas by considering the statistical channel information and instantaneous channel information, for generating antenna selection information by using the determined subset of the transmit antennas, and for feeding back the generated antenna selection information to a base station. | 10-09-2008 |
| 20080247478 | Orthogonal frequency division multiplexing communication system, multi-hop system, relay station, and spatially layered transmission mode - An apparatus and method for data transmission in an Orthogonal Frequency Division Multiplexing (OFDM) communication system are provided. An OFDM system includes a reference Relay Station (RS) and a cooperative relay station respectively for performing an Spatially Layered transmission Mode (SLM) process by modulating a phase and magnitude of a signal by using a predetermined modulation order suitable for the reference relay station to obtain a spatially-layered signal and for delivering the spatially-layered signal to a target Mobile Station (MS); a Base Station (BS) for selecting the reference relay station and the cooperative relay station among a plurality of relay stations; and an mobile station for detecting data through Maximum Likelihood (ML) detection in which a signal having the largest ML is detected by comparing the received spatially-layered signal with a signal which is converted through the SLM upon receiving the spatially-layered signal from the reference relay station and the cooperative relay station. | 10-09-2008 |
| 20080248803 | APPARATUS AND METHOD FOR ALLOCATING FREQUENCY RESOURCE IN A COMMUNICATION SYSTEM - A method and apparatus for allocating resources for a mobile station in a communication system is provided. The method includes determining if a mobile station within a cell is located in one of a first region corresponding to a cell center, a third region corresponding to a cell edge, and a second region corresponding to an area between the first and third regions, allocating frequency resources within an entire frequency band to the mobile station when the mobile station is located in the first region, wherein the entire frequency band comprises at least a first frequency band and a second frequency band, allocating frequency resources within the first frequency band to the mobile station when the mobile station is located in the third region, and allocating frequency resources within the second frequency band to the mobile station when the mobile station is located in the second region. | 10-09-2008 |
| 20100273498 | APPARATUS AND METHOD FOR INTERFERENCE MITIGATION IN A WIRELESS COMMUNICATION SYSTEM - An apparatus and method for mitigating inter-cell interference in a macro Base Station (BS) of a wireless communication system having at least one femto cell are provided. The method includes restricting the use of at least one code among at least one available code when forming a beam by resource block, constructing a codebook set for each resource block, when feedback information is received from at least one Mobile Station (MS), allocating a resource to the MS in consideration of the feedback information, determining a weight for forming a beam to the MS in consideration of the codebook set for each resource block and the resource allocated to the MS, and forming the beam to the MS using the weight. | 10-28-2010 |
Dae-Sik Hong, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100093959 | SUPPORTED CATALYST FOR OLEFIN POLLYMERIZATION USING TRANSITION METAL COMPOUND HAVING THENYLENE-BRIDGE, METHOD FOR PREPARING THE SAME, AND METHOD FOR PREPARING POLYOLEFINGUSINGTHED SAME - The present invention provides a new supported catalyst for olefin polymerization prepared by reacting a novel transition metal compound on a cocatalyst-supported support, in which the transition metal compound is coordinated with a monocyclopentadienyl ligand to which an amido-quinoline group is introduced, a method for preparing the same, and a method for preparing a polyolefin using the same. The transition metal catalyst compound used in the present invention is configured such that an amido group is linked in a cyclic form via a phenylene bridge. Thus, a pentagon ring structure of the transition metal compound is stably maintained, so that monomers easily approach the transition metal compound and the reactivity is also high. Accordingly, if the supported catalyst for olefin polymerization prepared according to the present invention is applied to the copolymerization of ethylene and monomers having large steric hindrance in a slurry or a gas phase process, a linear, a linear, high molecular weight polyolefin having a very low density of 0.900 to 0.970 g/cc or less can be obtained. | 04-15-2010 |
| 20100121006 | POLYOLEFIN AND PREPARATION METHOD THEREOF - The present invention relates to a polyolefin that has high environmental stress cracking resistance (ESCR), a high impact property, and an excellent die swell property, and a method of preparing the same. According to the method of preparing polyolefin of the present invention, a supported hybrid metallocene catalyst and an alpha olefin comonomer having 4 or more carbon atoms are used to obtain polyolefin having the bimodal or multimodal molecular weight distribution curves during the single reactor polymerization. The polyolefin has excellent processability, a melt flow rate ratio (MFRR) that is useful to processing, excellent shapability, impact strength, tensile strength, in particular, environmental stress cracking resistance (ESCR) and full notch creep test (FNCT), thus being used to manufacture the blow molded product. | 05-13-2010 |
| 20100324321 | AMINE BRIDGED METALLOCENE CATALYST, METHOD FOR PREPARING THEREOF AND METHOD FOR POLYMERIZING ETHYLENE-ALPHA OLEFIN COPOLYMER USING AMINE BRIDGED METALLOCENE CATALYST - The present invention relates to an amine bridged metallocene catalyst, a method for producing the same, and a method for producing an ethylene-alpha olefin copolymer, which comprises polymerizing ethylene and alpha olefin in the presence of an olefin polymerization catalyst composition including a metallocene catalyst. The amine bridged metallocene catalyst may be produced by reacting one or more of substituted or unsubstituted cyclopentadiene and substituted or unsubstituted fluorene with amine to bridge them with nitrogen, and reacting them with a transition metal to coordinate them. | 12-23-2010 |
Dae-Sik Jang, Yongin-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100192856 | Mask assembly and deposition and apparatus for a flat panel display using the same - A mask assembly includes a mask frame, the mask frame having an opening and a frame surrounding the opening, a pattern mask on the mask frame, the pattern mask including a pattern portion having at least one pattern overlapping the opening and a welding portion attached to the frame, and at least one support bar crossing the opening and attached to the pattern mask. | 08-05-2010 |
Dae-Sik Kim, Daejon KR
| Patent application number | Description | Published |
|---|---|---|
| 20110269458 | APPARATUS AND METHOD FOR SEARCHING ACCESSIBLE WIRELESS NETWORK IN SOFTWARE DEFINED RADIO TERMINAL - Provided is an apparatus for searching accessible wireless networks in a software-defined radio (SDR) terminal, a method thereof, and a computer-readable recording medium for storing a program executing the method. The apparatus includes: a hardware platform; a network search executable code storing means for storing a network search executable code having at least one of mode search executable codes; a search shape information storing unit for storing search shape information necessary for network search; a network search control means for arranging each of the mode search executable codes from the network search executable code storing means at the hardware platform by using the search shape information from the search shape information storing means and searching a network according to a search mode by executing the arranged mode search executable codes; and a network search result storing means for storing network search results from the network search control means. | 11-03-2011 |
Dae-Sik Kim, Daejeon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20090313357 | METHOD FOR ESTABLISHING CONNECTION BETWEEN USER-NETWORK OF OTHER TECHNOLOGY AND DOMAIN NAME SYSTEM PROXY SERVER FOR CONTROLLING THE SAME - The present invention relates to a method for establishing a connection between heterogeneous user-networks and a domain name system proxy server for controlling the same. The present invention has features of providing a method for supporting communication between user-computers included in Internet-compatible heterogeneous networks through a gateway based on an Internet public network and a domain name system proxy server for controlling the method. According to the present invention, supporting mutual communication between various networks based on one network can be expected. | 12-17-2009 |
Dae-Sik Lim, Daejeon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090312251 | Methods of regulating differentiation in mammals - Mechanisms regulating cell proliferation stop and differentiation initiation during the development stage of mammalian embryo, and the proteins involved therein, are presented. Differentiation regulators, methods of regulating differentiation, transgenic organisms with loss of expression of the differentiation regulator, and methods of preparing the transgenic organisms, are provided. | 12-17-2009 |
Dae-Sik Oh, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110048210 | Cutting apparatus of winder for secondary battery - A cutting apparatus of a winder for a secondary battery includes a cutting roll contacting a first side of a material, the cutting roll having a cutter protruding through an outer circumferential surface of the cutting roll to contact the first side of the material during cutting, an anvil roll facing the cutting troll and contacting a second side of the material, the cutting roll and the anvil roll being configured to contact each other via the material only at predetermined process stages, and a controller configured to move the cutting roll and/or the anvil roll to contact each other via the material during the predetermined process stages. | 03-03-2011 |
Dae-Sik Park, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20090135658 | Flash memory device and read method thereof - A flash memory device includes a memory block including word lines arranged between a first selection line and a second selection line, the word lines being divided into a first group and a second group, a control logic configured to determine an activation order of the first and second selection lines and determine first and second read voltages to be supplied to unselected word lines, the control logic determining the activation order according to whether a selected word line belongs to the first group or the second group, and a row selection circuit configured to, during a read operation, drive the unselected word lines with the first and second read voltages, and activate the first and second selection lines, according to the control logic. | 05-28-2009 |
Dae-Sik Park, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100109731 | APPARATUS AND METHOD FOR DUTY CYCLE CORRECTION - There is provided an apparatus for duty cycle correction. The apparatus for duty cycle correction comprises a moving sum unit performing a moving sum calculation with respect to the square-wave signal and outputting the moving sum signal subjected to moving sum calculation, a comparison unit comparing the moving sum signal with a predetermined threshold voltage, outputting a high signal or low signal, a mean value calculation unit calculating the mean value of an output signal outputted from the comparison unit, the output signal being included in a section having a period integer times greater than that of the square-wave signal, and a threshold voltage control unit comparing the mean value with a middle value, increasing the threshold voltage when the mean value is greater than the middle value, and decreasing the threshold voltage when the mean value is less than the middle value. | 05-06-2010 |