Patent application number | Description | Published |
20120031647 | CONDUCTIVE PATTERN AND MANUFACTURING METHOD THEREOF - The present invention provides a method for manufacturing a conductive pattern, comprising the steps of: a) forming a conductive film on a substrate; b) forming an etching resist pattern on the conductive film; and c) forming a conductive pattern having a smaller line width than a width of the etching resist pattern by over-etching the conductive film by using the etching resist pattern, and a conductive pattern manufactured by using the same. According to the exemplary embodiment of the present invention, it is possible to effectively and economically provide a conductive pattern having a ultrafine line width. | 02-09-2012 |
20120031746 | TOUCH SCREEN AND MANUFACTURING METHOD THEREOF - The present invention provides a method of manufacturing a touch screen, comprising the steps of: a) forming a conductive layer on a substrate; b) forming an etching resist pattern on the conductive layer; and c) forming a conductive pattern having a line width smaller than the line width of the etching resist pattern by over-etching the conductive layer by using the etching resist pattern and a touch screen manufactured by the method. According to the present invention, a touch screen comprising a conductive pattern having an ultrafine line width can be economically and efficiently provided. | 02-09-2012 |
20130008330 | BLANKET FOR OFFSET PRINTING AND MANUFACTURING METHOD THEREFOR - The present invention relates to a blanket for offset printing and a manufacturing method thereof. The blanket for offset printing according to an exemplary embodiment of the present invention comprises a cushion layer, a support layer, and at least two surface printing layers, wherein the at least two surface printing layers comprise a silicon-based resin in which at least one of a hardness value, a fluorine group content value, and a silicon oil content value is different. The blanket for offset printing according to the exemplary embodiment of the present invention comprises the surface printing layer formed in at least two layers to prevent the surface printing layer from being swollen due to ink, thereby reducing a process waiting time and improving a process margin. | 01-10-2013 |
20130140065 | CONDUCTIVE STRUCTURE BODY AND METHOD FOR MANUFACTURING THE SAME - An exemplary embodiment of the present invention relates to a conductive structure body that comprises a darkening pattern layer having AlOxNy, and a method for manufacturing the same. The conductive structure body according to the exemplary embodiment of the present invention may prevent reflection by a conductive pattern layer without affecting conductivity of the conductive pattern layer, and improve a concealing property of the conductive pattern layer by improving absorbance. Accordingly, a display panel having improved visibility may be developed by using the conductive structure body according to the exemplary embodiment of the present invention. | 06-06-2013 |
20130239831 | PRINTING DEVICE AND PRINTING METHOD - Provided are a reverse offset printing apparatus and a reverse offset printing method, including: a printed film supplying unit and a printed film collecting unit for continuously supplying a printed film; a printed film supporting unit provided between the printed film supplying unit and the printed film collecting unit; a printing roll for transferring a printed matter pattern to the printed film on the printed film supporting unit, in which the printed roll is provided so that a progress direction of the printed film is parallel to a rotation direction of the printing roll at a place where the printed matter pattern is transferred; a coating unit coating a printed matter on the printing roll; and a cliché provided on a stage for mounting the cliché in order to form the printed matter pattern on the printing roll. | 09-19-2013 |
20130305943 | INK COMPOSITION FOR PRINTING, AND PRINTING METHOD USING SAME - Provided are an ink composition for a printing method, in which the ink composition is applied to a printing blanket, a portion of a coating film is removed using a cliche, and then the coating film remaining on the printing blanket is transferred to an object to be printed, in which the ink composition before printing satisfies the following [Equation 1] [INK | 11-21-2013 |
20130342504 | TOUCH PANEL AND DISPLAY DEVICE INCLUDING THE SAME - The present invention relates to a touch panel, comprising: a screen part comprising a first conductive pattern portion, and a router part comprising a second conductive pattern portion, in which the first conductive pattern portion and the second conductive pattern portion have the same line height, and there is no connecting portion in a region in which the first conductive pattern portion and the second conductive pattern portion are connected to each other, and a display apparatus comprising the same. | 12-26-2013 |
20130343010 | CONDUCTIVE SUBSTRATE AND ELECTRONIC DEVICE COMPRISING SAME - Disclosed are an electric conducting substrate, comprising a transparent substrate and an electric conducting pattern comprising an electric conducting line provided on the transparent substrate, and an electronic device comprising the same. | 12-26-2013 |
20130344300 | CLICHE FOR OFFSET-PRINTING AND METHOD FOR MANUFACTURING SAME - The present invention relates to a cliché for offset printing and a method of manufacturing the same, and the cliché for offset printing according to the present invention comprises: a groove pattern, wherein a depth of at least a partial region of the groove pattern is different from a depth of a residual region. The present invention may comprise a double etching process when a cliché for offset printing is manufactured to control a bottom touch phenomenon that is a problem exhibited when a known wide line width is implemented, thus manufacturing the cliché for offset printing having various line widths and etching depths. | 12-26-2013 |
20140007786 | COMPOSITION FOR PRINTING AND PRINTING METHOD USING THE SAME - Provided are a composition for printing for use in a printing method which uses a silicon-based blanket, including: 1) a binder resin, 2) a low-boiling point solvent having a boiling point of 100° C. or less, and 3) a high-boiling point solvent having a boiling point of 180° C. or more, wherein the high-boiling solvent has a difference in solubility parameter with the binder resin of 3 (cal·cm) | 01-09-2014 |
20140016047 | CONDUCTIVE SUBSTRATE AND TOUCH SCREEN HAVING SAME - The present invention relates to a conducting substrate and a touch screen comprising the same, and the conducting substrate according to the present invention comprises a board, and an electric conducting pattern provided on at least one surface of the board, wherein the electric conducting pattern comprises a border structure of closed figures continuously connected and does not comprise the closed figures having the same shape in a predetermined unit area (1 cm×1 cm), and the number of vertexes of the closed figures is different from the number of vertexes of quadrangles having the same number as the closed figures. | 01-16-2014 |
20140016278 | CONDUCTIVE STRUCTURE, TOUCH PANEL, AND METHOD FOR MANUFACTURING SAME - Provided are a conductive structure including a) a base. b) a conductive pattern provided on at least one side of the base. and c) a darkening layer provided on the upper surface and lower surface of the conductive pattern, provided on at least a part of the side of the conductive pattern, and provided in an area corresponding to the conductive pattern area, and a touch panel including the same and a manufacturing method thereof. | 01-16-2014 |
20140022739 | CONDUCTIVE SUBSTRATE AND TOUCH SCREEN HAVING SAME - The present invention relates to a conducting substrate and a touch screen comprising the same, and the conducting substrate according to the present invention comprises a board, an electric conducting pattern provided on at least one surface of the board, and a darkening layer provided on at least one surface of the electric conducting pattern and in a region corresponding to the electric conducting pattern, wherein a reflective diffraction intensity of a reflective diffraction image obtained by radiating light emitted from a point light source on one surface from which the darkening layer is visible is reduced by 60% or more as compared to the conducting substrate having the same constitution except that the electric conducting pattern is formed of Al and does not comprise the darkening layer. | 01-23-2014 |
20140085551 | CONDUCTIVE SUBSTRATE AND TOUCH PANEL COMPRISING SAME - The invention relates to a conducting substrate and a touch panel comprising the same. A conducting substrate according to one embodiment of the invention comprises at least one base material and at least one conductive pattern on the base material, wherein the arithmetic average roughness height (Ra) of the surface of the conductive pattern is 0.1-0.3 μm. The conducting substrate and the touch panel comprising the same do not obstruct the view, have excellent conductivity, and can reduce the intensity of a diffraction pattern caused by reflected light. | 03-27-2014 |
20140127408 | COMPOSITION FOR PRINTING AND PRINTING METHOD USING THE SAME - Provided are a composition for printing for use in a printing method which uses a silicon-based blanket, including: 1) a binder resin, 2) a low boiling point solvent having a boiling point of less than 100° C., 3) a medium boiling point solvent having a boiling point of 100° C. or more and less than 180° C., and 4) a high boiling point solvent having a boiling point of 180° C. or more, wherein the medium boiling point solvent and the high-boiling solvent have a difference in solubility parameter with the binder resin of 3 (cal·cm) | 05-08-2014 |
20140144679 | CONDUCTIVE SUBSTRATE COMPRISING CONDUCTIVE PATTERN AND TOUCH PANEL COMPRISING SAME - The present invention relates to a conductive substrate comprising a conductive pattern having an improved concealment property and a touch panel comprising the same, and the conductive substrate according to the present invention comprises: a transparent substrate, and a conductive pattern comprising a conductive line provided on the transparent substrate, wherein the conductive pattern comprises two or more conductive lines spaced from each other in a longitudinal direction of the conductive line, and a distance between nearest-adjacent ends of two or more conductive lines spaced from each other is 15 μm or less. The conductive substrate according to the present invention can more efficiently conceal a metal line comprised in the conductive pattern. | 05-29-2014 |
20140151098 | CONDUCTIVE SUBSTRATE COMPRISING CONDUCTIVE PATTERN AND TOUCH PANEL COMPRISING SAME - The present invention relates to a conductive substrate comprising a conductive pattern having an improved concealment property and a touch panel comprising the same, and the conductive substrate according to the present invention comprises: a transparent substrate, and a conductive pattern comprising a conductive line provided on the transparent substrate, wherein the conductive pattern comprises two or more conductive lines spaced from each other in a longitudinal direction of the conductive line, and a distance between nearest-adjacent ends of two or more conductive lines spaced from each other is 15 μm or less. The conductive substrate according to the present invention can more efficiently conceal a metal line comprised in the conductive pattern. | 06-05-2014 |
20140151109 | CONDUCTIVE PATTERN AND MANUFACTURING METHOD THEREOF - The present invention provides a method for manufacturing a conductive pattern, comprising the steps of: a) forming a conductive film on a substrate; b) forming an etching resist pattern on the conductive film; and c) forming a conductive pattern having a smaller line width than a width of the etching resist pattern by over-etching the conductive film by using the etching resist pattern, and a conductive pattern manufactured by using the same. According to the exemplary embodiment of the present invention, it is possible to effectively and economically provide a conductive pattern having a ultrafine line width. | 06-05-2014 |
20140184958 | CLICHE FOR OFFSET-PRINTING AND METHOD FOR MANUFACTURING SAME - The present invention relates to a cliché for offset printing and a method of manufacturing the same, and the cliché for offset printing according to the present invention comprises: a groove pattern, wherein a depth of at least a partial region of the groove pattern is different from a depth of a residual region. The present invention may comprise a double etching process when a cliché for offset printing is manufactured to control a bottom touch phenomenon that is a problem exhibited when a known wide line width is implemented, thus manufacturing the cliché for offset printing having various line widths and etching depths. | 07-03-2014 |
20140198270 | TOUCH PANEL AND DISPLAY DEVICE INCLUDING SAME - The present invention relates to a touch panel, comprising: a screen part comprising a first conductive pattern portion, and a router part comprising a second conductive pattern portion, in which the first conductive pattern portion and the second conductive pattern portion have the same line height, and there is no connecting portion in a region in which the first conductive pattern portion and the second conductive pattern portion are connected to each other, and a display apparatus comprising the same. | 07-17-2014 |
20140300836 | CONDUCTIVE STRUCTURE BODY AND METHOD FOR MANUFACTURING THE SAME - An exemplary embodiment of the present invention relates to a conductive structure body that comprises a darkening pattern layer having AlOxNy, and a method for manufacturing the same. The conductive structure body according to the exemplary embodiment of the present invention may prevent reflection by a conductive pattern layer without affecting conductivity of the conductive pattern layer, and improve a concealing property of the conductive pattern layer by improving absorbance. Accordingly, a display panel having improved visibility may be developed by using the conductive structure body according to the exemplary embodiment of the present invention. | 10-09-2014 |
20150075596 | ELECTRICALLY-CONDUCTIVE STRUCTURE AND A PRODUCTION METHOD THEREFOR - An exemplary embodiment of the present invention relates to a conductive structure body that comprises a darkening pattern layer having AlOxNy, and a method for manufacturing the same. The conductive structure body according to the exemplary embodiment of the present invention may prevent reflection by a conductive pattern layer without affecting conductivity of the conductive pattern layer, and improve a concealing property of the conductive pattern layer by improving absorbance. | 03-19-2015 |
20150085448 | CONDUCTIVE STRUCTURE, TOUCH PANEL, AND METHOD FOR MANUFACTURING SAME - Provided are a conductive structure including a) a base, b) a conductive pattern provided on at least one side of the base, and c) a darkening layer provided on the upper surface and lower surface of the conductive pattern, provided on at least a part of the side of the conductive pattern, and provided in an area corresponding to the conductive pattern area, and a touch panel including the same and a manufacturing method thereof. | 03-26-2015 |
20150108085 | TOUCH SCREEN AND MANUFACTURING METHOD THEREOF - The present invention provides a method of manufacturing a touch screen, comprising the steps of: a) forming a conductive layer on a substrate; b) forming an etching resist pattern on the conductive layer; and c) forming a conductive pattern having a line width smaller than the line width of the etching resist pattern by over-etching the conductive layer by using the etching resist pattern and a touch screen manufactured by the method. According to the present invention, a touch screen comprising a conductive pattern having an ultrafine line width can be economically and efficiently provided. | 04-23-2015 |
20150129290 | BASE MATERIAL FOR FORMING CONDUCTIVE PATTERN AND CONDUCTIVE PATTERN FORMED USING SAME - The present invention relates to an adhesive substrate for forming a conductive pattern, which includes an adhesive substrate, and a precursor pattern of a conductive pattern, or a conductive pattern, provided on one side of the adhesive substrate, a method for preparing a conductive pattern using the adhesive substrate, a conductive pattern prepared using the adhesive substrate, and an electronic device including the conductive pattern. | 05-14-2015 |
20150183254 | SILICONE BLANKET FOR PRINTING AND METHOD OF MANUFACTURING THE SAME - The present specification provides a blanket for printing, including: a support layer, and a printing layer laminated on an upper portion of the support layer, in which the printing layer includes a cured material of a silicone rubber composition. The blanket for printing according to the present specification includes the cured material of the silicone rubber composition in which a —SiH group does not substantially exist on a surface to prevent a reaction with a conductive metal precursor included in an ink composition and thus suppress a discoloration phenomenon of the blanket and increase a life-span. | 07-02-2015 |
20150220107 | CONDUCTIVE SUBSTRATE AND ELECTRONIC DEVICE COMPRISING SAME - Disclosed are an electric conducting substrate, comprising a transparent substrate and an electric conducting pattern comprising an electric conducting line provided on the transparent substrate, and an electronic device comprising the same. | 08-06-2015 |
Patent application number | Description | Published |
20110052055 | COLOR CONVERSION SYSTEM AND METHOD - Provided is a color conversion system and method. The color conversion system which converts the color of a filmed image includes: an image separation unit configured to receive a reference image including a color reference table and an action image, and separate the reference and action images from each other; a color data extraction unit configured to output color values of the color reference table included in the reference image; a control unit configured to detect change values obtained by comparing color values included in the reference image with those included in the color reference table, and generate a look-up table for converting the colors of the color reference table included in the reference image into desired colors; and an image conversion unit configured to perform color correction by converting the color values of the action image into coordinates in pixels, using the look-up table outputted from the control unit. | 03-03-2011 |
20110128286 | IMAGE RESTORATION APPARATUS AND METHOD THEREOF - An image restoration apparatus includes: a control processor unit for separating foreground and background from a loaded input image to transmit each of the separated foreground and background images as a three-dimensional (3D) texture; and a graphic processor unit for generating a visual hull of voxel units corresponding to the transmitted 3D texture, transforming the generated visual hull into mesh units, performing data alignment and pixel transform, determining a screen display value to perform rendering using the determined screen display value. | 06-02-2011 |
20110149109 | APPARATUS AND METHOD FOR CONVERTING COLOR OF TAKEN IMAGE - A method for correcting color of an action image taken together with a reference image having a color reference plate includes activating a predetermined correction window for correction of the action image; displaying the action image and at least one correction window for color correction of the action image on the correction window; creating a lookup table, when at least one is selected from references displayed on the correction window, for converting respective pixels in conformity with the selected data; and correcting color of the action image using the created lookup table. | 06-23-2011 |
20110234763 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING MULTI-VIEW STEREOSCOPIC VIDEO - An apparatus for transmitting a multi-view stereoscopic video includes: a control unit configured to receive a group of stereoscopic images taken by a plurality of stereoscopic imaging devices; a generation unit configured to select at least one stereoscopic frame from stereoscopic frames of the received group of stereoscopic images, arrange the selected stereoscopic frames successively, and generate a multi-view stereoscopic video; an encoding unit configured to encode the generated multi-view stereoscopic video; and a transmission unit configured to transmit the encoded multi-view stereoscopic video through a transmission network. | 09-29-2011 |
20120033937 | METHOD AND APPARATUS FOR PROVIDING METADATA FOR SENSORY EFFECT, COMPUTER-READABLE RECORDING MEDIUM ON WHICH METADATA FOR SENSORY EFFECT ARE RECORDED, AND METHOD AND APPARATUS FOR SENSORY REPRODUCTION - The present invention relates to a method and an apparatus for providing metadata for sensory effect, a computer-readable recording medium on which metadata for a sensory effect is recorded, and a method and apparatus for sensory reproduction. According to this technique, disclosed is a method for providing the metadata for a sensory effect which comprises the steps of: generating SEM (Sensory Effect Metadata) which includes sensory effect information on contents; and transmitting the SEM to a sensory reproduction apparatus engine unit which analyzes the SEM and generates control information on a sensory reproduction apparatus, wherein the sensory effect information includes color calibration effect information on the contents. | 02-09-2012 |
20120158377 | METHOD AND APPARATUS FOR SEARCHING FOR NEIGHBORING PARTICLES BY USING TEMPORAL CONTINUITY - A method for searching for neighboring particles includes: setting neighbor target particles of a current particle to calculate mutual influences between the neighbor target particles and the current particle; selecting neighboring particles depending on a calculation result of the mutual influences to store indexes of the neighboring particles in the current particle; updating locations and information of the current particle based on power of the mutual influences and proceeding to a next time step; determining the neighboring particles selected at a previous time step as the neighbor target particles; and repeating above steps starting from said calculating mutual influences regarding the newly determined neighbor target particles. | 06-21-2012 |
20130016223 | METHOD AND APPARATUS FOR CAMERA NETWORK CALIBRATION WITH SMALL CALIBRATION PATTERNAANM KIM; Jae HeanAACI DaejeonAACO KRAAGP KIM; Jae Hean Daejeon KRAANM Kang; HyunAACI DaejeonAACO KRAAGP Kang; Hyun Daejeon KRAANM Lee; Ji HyungAACI DaejeonAACO KRAAGP Lee; Ji Hyung Daejeon KRAANM Koo; BonkiAACI DaejeonAACO KRAAGP Koo; Bonki Daejeon KR - A method for calibrating a camera network includes generating a projection matrix by each of cameras in respect of a calibration pattern that is disposed at a plurality of different positions in a photography zone. A portion of the projection matrix is produced as a sub-projection matrix. Sub-projection matrixes are arranged widthwise and lengthwise to generate one sub-measurement matrix. A singular value decomposition (SVD) is performed on the sub-measurement matrix to change the sub-measurement matrix into a matrix having a rank of 3 and a SVD is performed on the changed sub-measurement matrix. A rotation value of the calibration pattern, and an internal parameter and a rotation value of each camera are extracted to thereby calibrate the camera network. | 01-17-2013 |
20130057653 | APPARATUS AND METHOD FOR RENDERING POINT CLOUD USING VOXEL GRID - A method for rendering point cloud using a voxel grid, includes generating bounding box including all the point cloud and dividing the generated bounding box into voxels to make the voxel grid; and allocating at least one texture plane to each of the voxels of the voxel grid. Further, the method includes orthogonally projecting points within the voxel to the allocated texture planes to generate texture images; and rendering each voxel of the voxel grid by selecting one of the texture planes within the voxel by using central position of the voxel and the 3D camera position and rendering using the texture images corresponding to the selected texture plane. | 03-07-2013 |
20130057656 | SYSTEM AND METHOD FOR MANAGING FACE DATA - A system for managing face data includes a global face capturing unit configured to capture a global face image; and a global face data generation unit configured to obtain shape information and texture information of global face data, and generate the global face data. Further, the system includes a local face capturing unit configured to capture a plurality of local face images; and a global face posture extraction unit configured to estimate a position and a direction of the face of a captured user. Furthermore, the system includes a local capturing device posture extraction unit configured to extract posture information of the local face capturing unit; and a local face data generation unit configured to generate texture information and shape information, and generate local face data. | 03-07-2013 |
20130058526 | DEVICE FOR AUTOMATED DETECTION OF FEATURE FOR CALIBRATION AND METHOD THEREOF - A method for automated detection of feature for calibration is provided, which includes capturing images of a polyhedral structure including a plurality of rectangular planes and triangular planes in different directions through a plurality of cameras, and generating a plurality of image files, each of the rectangular planes having calibration objects formed thereon to be used as input values of a calibration engine, and each of the triangular planes having a marker formed thereon to grasp absolute and relative relationships between the rectangular planes; searching for the calibration objects in the image files; searching for the same plane in which the calibration objects are formed using the calibration objects; and indexing the respective calibration objects formed on the same plane. | 03-07-2013 |
20130089259 | SPACE SEGMENTATION METHOD FOR 3D POINT CLOUDS - A space segmentation method for 3D point clouds is disclosed. A space segmentation method for 3D point clouds includes equally segmenting a space of the 3D point clouds into a plurality of grid cells; establishing a base plane corresponding to a ground part of the space of the 3D point clouds; accumulating points of all grid cells located perpendicular to the base plane in a grid cell of the base plane; and segmenting the grid cell in which the points are accumulated into an object part and a ground part according to the number of accumulated points. | 04-11-2013 |
20130107003 | APPARATUS AND METHOD FOR RECONSTRUCTING OUTWARD APPEARANCE OF DYNAMIC OBJECT AND AUTOMATICALLY SKINNING DYNAMIC OBJECT | 05-02-2013 |
20150078621 | APPARATUS AND METHOD FOR PROVIDING CONTENT EXPERIENCE SERVICE - A method and apparatus for providing content experience service are disclosed. The apparatus includes a camera device tracking unit, a user behavior tracking unit, a real image acquisition unit, a motion information processing unit, a virtual space control unit, and a virtual multi-image generation unit. The camera device tracking unit collects camera motion information. The user behavior tracking unit collects user motion information. The real image acquisition unit photographs a space including the user, and separates a real image into a foreground and a background using a background key table. The motion information processing unit corrects the camera motion information and the user motion information. The virtual space control unit generates virtual space control information and virtual space information. The virtual multi-image generation unit generates a virtual multi-image, and provides the content experience service based on the generated virtual multi-image. | 03-19-2015 |
Patent application number | Description | Published |
20100135362 | FRAME SYNCHRONIZATION METHOD AND RECEIVER FOR COMMUNICATION MODEM USING THE SAME - Disclosed are a frame synchronization method and a receiver for a communication modem using the same. The frame synchronization method includes performing a correlation operation between a reception data stream and a preamble to output a synchronous signal; and computing correlation values between spreading codes and a reception data stream synchronized with the synchronous signal, wherein a maximum value of the computed correlation values is compared with a preset threshold value, and the outputting of the synchronous signal is performed again when the maximum value is smaller than the preset threshold value. | 06-03-2010 |
20110044407 | ADAPTIVE QRD-M ALGORITHM BASED SIGNAL DETECTING METHOD BY USING CONSTELLATION SET GROUPING IN SPATIAL MULTIPLEXING MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM - There is provided a signal detecting method using constellation set grouping in a spatial multiplexing multiple input multiple output system. The signal detecting method includes dividing a set of candidate symbols, a constellation set into a plurality of subsets by grouping the constellation set; dividing a tree search process of a QR-decomposition with M-algorithm (QRDM) algorithm into a plurality of partial detection phases; and performing the plurality of divided partial detection phases in parallel or iteratively. | 02-24-2011 |
20110081021 | SCRAMBLING APPARATUS AND METHOD OF OPERATING THE SAME - There is provided a scrambling apparatus and a method of operating the same. A scrambling apparatus according to an aspect of the invention may include: a memory unit storing and providing a plurality of previously generated scrambling initial state codes; and a scrambling unit reading at least one of the plurality of scrambling initial state codes stored in the memory unit to generate a scrambling code in order to scramble an input signal, so that scrambling speed can be significantly increased. | 04-07-2011 |
20110150000 | METHOD FOR CONFIGURING PREAMBLE FOR COMMUNICATION SYSTEM, PREAMBLER, AND APPARATUS FOR GENERATING PACKET USING THE SAME - Disclosed are a method for configuring a preamble for a communication system in order to effectively use a packet transmission bandwidth, a preambler, and an apparatus for generating a packet using the same. The preambler includes: a mode determining unit receiving frame characteristics information, extracting frame information to be transmitted through a preamble, and determining a transmission mode corresponding with the extracted information; and a code generation unit receiving the transmission mode information which has been determined by the mode determining unit and generating a preamble made up of a combination of sub-preamble code strings corresponding with the transmission mode. | 06-23-2011 |
20110151861 | SMART ALL-IN-ONE BASE STATION AND OPERATION METHOD THEREOF - There are provided a smart all-in-one base station and an operation method thereof including: an interface unit that includes a plurality of interfaces supporting different communications protocols; a control unit that selects one of the plurality of interfaces included in the interface unit in consideration of user terminal information, interface information, and quality of service information and controls the connection of the user terminals and the selected interfaces; and a core network connection unit that connects the interfaces selected by the control unit to a wired network. | 06-23-2011 |
20110151910 | METHOD AND APPARATUS FOR ALLOCATING RESOURCES FOR PHYSICAL CHANNEL IN MOBILE COMMUNICATION SYSTEM - A method and apparatus for allocating resources for physical channels in a mobile communication system are disclosed. An apparatus for allocating resources, the apparatus comprising: An address generation unit allocating spare resources to a physical channel with reference to resource allocation information stored in a monitoring unit, and generating an address value of a frame generation unit corresponding to frequency and symbol index values of the allocated resources; the frame generation unit storing data to be transmitted via the physical channel in the generated address value to generate subframe data; and the monitoring unit storing an address value corresponding to the physical channel generated by the address generation unit. | 06-23-2011 |
20110292927 | UPLINK RECEIVING APPARATUS OF OFDMA SYSTEM BASED ON LTE AND FREQUENCY SYNCHRONIZATION METHOD THEREOF - Provided are an uplink receiving device of a long term evolution (LTE)-based orthogonal frequency division multiplexing access (OFDMA) system, and a method of synchronizing a frequency thereof. The uplink receiving device includes a fast Fourier transform (FFT) processing unit eliminating a cyclic prefix (CP) from an OFDM uplink signal to perform a fast Fourier transform (FFT); a subcarrier extraction unit performing a subcarrier extraction operation with regard to an output of the FFT processing unit to thus only extract a signal of a specific terminal unit; and an inverse discrete Fourier transform (DFT) processing unit performing an inverse DFT on an output of the subcarrier extraction unit to generate a time domain signal. | 12-01-2011 |
20120089882 | PACKET COMBINING DEVICE AND METHOD FOR COMMUNICATION SYSTEM USING HYBRID AUTOMATIC REPEAT REQUEST - A packet combining device for a communication system using hybrid automatic repeat request (HARQ) includes: a HARQ buffer; a combiner configured to combine data which is previously received and stored in the HARQ buffer with newly-received data; and a channel decoder configured to attempt channel decoding by using the combined received data provided from the combiner and provide one or more of log likelihood ratios (LLRs) computed for a systematic bit and a parity bit of the combined received data to the combiner such that the one or more LLRs are combined with the data used for channel decoding. | 04-12-2012 |
20120100880 | CELL SEARCH METHOD IN WIRELESS COMMUNICATION SYSTEM - Provided is a cell search method in a wireless communication system. According to the cell search method, when detecting SSS in order to search a cell group ID in 3GPP LTE communication, it is possible to reduce the computational complexity for SSS detection by selecting the sequence group of which cross-correlation between initially grouped SSS sequences is a predetermined value or more, computing cross-correlation with the sequences in the selected sequence group, and extracting a cell group ID through detection of the SSS sequence having the highest cross-correlation. | 04-26-2012 |
20120115474 | METHOD FOR DECIDING UNREGISTERED MACROCELL USER EQUIPMENT ADJACENT TO FEMTOCELL BASE STATION - In a method for deciding an unregistered macrocell user equipment (MUE) adjacent to a femtocell base station (home evolved node B; HeNB), a macrocell base station (macro evolved node B; MeNB) decides occurrence of an unregistered MUE influenced by interference from a HeNB among MUEs. The MeNB requests an adjacent HeNB to transmit system information (SI) of the adjacent HeNB of which interference has influence on the unregistered MUE, and the unregistered MUE searches for the SI of the adjacent HeNB and transmits the searched SI to the MeNB, when it is decided that the unregistered MUE has occurred. The MeNB informs the adjacent HeNB of existence of the unregistered MUE using a closed subscriber group identifier (CSG ID) of the SI of the adjacent HeNB, transmitted from the unregistered MUE. | 05-10-2012 |
20120163294 | PACKET DATA TRANSFER APPARATUS AND PACKET DATA TRANSFER METHOD IN MOBILE COMMUNICATION SYSTEM - Disclosed are a packet data transfer apparatus and a packet data transfer method in a mobile communication system. In the mobile communication system, the packet data transfer apparatus reduces a load of a protocol stack processor, which causes performance degradation due to a considerable time taken to transfer a large amount of packet data to a memory of a packet processor from Ethernet, so that the clock speed of the processor can be lowered. Accordingly, it is possible to implement a modem for mobile communication using low power. Further, the packet data transfer apparatus is positioned between a processor and a memory so that the processor does not perform packet data transfer from the outside to an internal memory of the process or packet data transfer from the internal memory of the process to the outside. Accordingly, it is possible to reduce packet data transfer of the processor. | 06-28-2012 |
20120163310 | APPARATUS FOR ALLOCATING PHYSICAL RESOURCES - A apparatus for allocating physical resources at high speed includes: a storage unit storing correspondence relationships between virtual resource blocks and physical resource blocks according to external variables and internal variables; an internal variable calculation unit receiving the external variables for allocating physical resource blocks and calculating internal variables determined by the received external variables; and a searching unit referring to the storage unit by using the received external variables and allocating physical resources corresponding to the virtual resource blocks. | 06-28-2012 |
20120166508 | FAST FOURIER TRANSFORMER - A fast Fourier transformer (FFT) includes a radix-2 butterfly unit configured to perform a butterfly operation on input data; a buffer unit configured to buffer data outputted from the radix-2 butterfly unit and output the buffered data to the radix-2 butterfly unit; a multiplexing unit configured to selectively output a twiddle factor; and a constant multiplier configured to multiply the data outputted from the radix-2 butterfly unit by the twiddle factor outputted from the multiplexing unit. | 06-28-2012 |
20120235857 | RADAR APPARATUS SUPPORTING SHORT AND LONG RANGE RADAR OPERATION - Disclosed is a radar apparatus supporting short range and long range radar operations, wherein a plurality of short range transmitting chirp signals and a plurality of long range transmitting chirp signals are generated by a predetermined modulation scheme and is transmitted to an object through at least one transmitting array antenna and signals reflected from the object is received through at least one receiving array antenna, and the plurality of long range transmitting chirp signals have transmission power larger than that for the plurality of short range transmitting chirp signals. | 09-20-2012 |
20120275550 | METHOD FOR DETECTING S-SCH IN CELL SEARCHING AND RECEIVER USING THE SAME - Disclosed is a method for detecting S-SCH in cell searching including: detecting an m0 value corresponding to an even index in a secondary synchronization channel (S-SCH) signal having an even index; determining an m1 group defined by the m0 value; detecting an m1 value using correlation detection relation within the m1 group; and detecting a group ID using the m0 value and the m1 value. | 11-01-2012 |
20130267241 | METHOD AND APPARATUS FOR COORDINATING INTERCELL INTERFERENCE - A method for coordinating intercell interference and a wireless communication system are disclosed. The method includes calculating, by a first device, a beamforming vector, transmitting a signal to a first terminal using the beamforming vector calculated by the first device, receiving, by the first device, Quality of Service (QoS) information equivalent to the signal transmitted from the first terminal, and determining whether the QoS information received by the first device satisfies a predetermined first criterion and transmitting information indicating whether QoS is satisfied to a first base station. | 10-10-2013 |
20130273947 | SECURE COMMUNICATION METHOD AND SYSTEM - Disclosed are a secure communication method and system. In a wireless communication environment in which there is a wiretapper wiretapping a signal transmitted by a first transmitter to a first receiver, the secure communication method calculates a beamforming vector including first and second beamforming vectors based on channel information between the second transmitter and the first receiver and channel information between the second transmitter and a second receiver, and performs beamforming on the first and second receivers with the calculated beamforming vector. Accordingly, even when it is unable to know channel information of a wiretapper, the secure communication method can satisfy the minimum service-quality requirements of a secondary user and maximize a primary user's secure ability. | 10-17-2013 |
20140240169 | RADAR APPARATUS USING IMAGE CHANGE DETECTOR AND METHOD OF OPERATING THE SAME - Disclosed herein are a radar apparatus and a method of operating the same. The radar apparatus includes a clutter analysis unit, a screen change detection unit, a representative value acquisition unit, and a target detection unit. The clutter analysis unit analyzes the clutter value of a signal that is received by a reception unit. The screen change detection unit calculates the screen change time up to the time at which a screen has been changed from an image captured by an imaging apparatus. The representative value acquisition unit acquires a representative value based on a plurality of clutter values analyzed for the screen change time by the clutter analysis unit. The target detection unit determines the signal to be a target signal if the size of the signal is larger than both the clutter value and representative value of the signal. | 08-28-2014 |
20140241188 | REFERENCE SIGNAL GENERATION METHOD AND APPARATUS - The present invention relates to a reference signal generation method and apparatus. In the reference signal generation method, cyclic shift values of a reference signal for a channel, output in a single frame, are calculated for respective slots constituting the single frame. The calculated cyclic shift values are stored. Base signal sequence phases of the reference signal for the channel, output in the single frame, are calculated for respective slots. The calculated base signal sequence phases are stored. A total phase of the reference signal is calculated based on the cyclic shift values and the base signal sequence phases previously stored for respective slots. A reference signal sequence is generated based on the calculated total phase. | 08-28-2014 |
20140365547 | MIXED-RADIX PIPELINED FFT PROCESSOR AND FFT PROCESSING METHOD USING THE SAME - Disclosed herein are a mixed-radix pipelined Fast Fourier Transform (FFT) processor and an FFT processing method using the same. The mixed-radix pipelined Fast Fourier Transform (FFT) processor includes a first radix chain, a second radix chain, an input buffer, and an output buffer. The first radix chain includes first radix processors that are connected in series to each other. The second radix chain includes second radix processors that are connected in series to each other, and is connected in series to the first radix chain. The input buffer performs index mapping on a sequence input to the first radix chain. The output buffer generates a final FFT output by performing index mapping on a sequence generated using outputs of one or more of the first and second radix chains. | 12-11-2014 |
20150279385 | APPARATUS AND METHOD FOR IMPROVING VOICE RECOGNITION - An apparatus and method for improving voice recognition are disclosed herein. The apparatus includes a standard voice transmission unit, a Mel-frequency cepstrum coefficient (MFCC) generation unit, and an MFCC compensation unit. The standard voice transmission unit generates a standard voice. The MFCC generation unit generates voice feature data (MFCC) based on the utterance of the standard voice before voice recognition. The MFCC compensation unit stores a gain value generated based on the standard voice, and compensates for the distortion of the voice feature data based on the utterance of a user using the gain value during the voice recognition. | 10-01-2015 |
20150293208 | CONSTANT FALSE ALARM RATE DEVICE FOR SIGNAL DETECTION SYSTEM - A constant fault alarm rate (CFAR) device for a signal detection system is disclosed herein. The CFAR device includes a first signal selection unit and a second signal selection unit. The first signal selection unit receives a last signal of a lagging sorting array and signals of one or more lagging guard cells, selects any one of the last signal of the lagging sorting array and the signals of the one or more lagging guard cell as a test signal based on a received guard cell size, and outputs the test signal. The second signal selection unit receives the test signal and signals of one or more leading guard cells, selects any one of the test signal and the signals of the one or more leading guard cells based on the guard cell size, and transfers this selected signal to the leading sorting array. | 10-15-2015 |
Patent application number | Description | Published |
20140321645 | APPARATUS AND METHOD FOR CONVERTING RANDOM BINARY SEQUENCE INTO RANDOM INTEGER - An apparatus and method for converting a random binary sequence into a random integer is provided. The present invention converts a random binary sequence into a random integer, and determines whether the corresponding random integer falls within a preset integer interval. Further, if it is determined that the random integer generated from the random binary sequence does not fall within the preset integer interval, the present invention repeatedly updates a random binary sequence until a random integer falling within the corresponding integer interval is obtained, thus outputting uniformly distributed random integers which fall within the preset integer interval. | 10-30-2014 |
20150244518 | VARIABLE-LENGTH BLOCK CIPHER APPARATUS AND METHOD CAPABLE OF FORMAT PRESERVING ENCRYPTION - A variable-length block cipher apparatus and method capable of format preserving encryption are provided. An encryption device for a variable-length block cipher apparatus includes an encryption key generation unit configured to generate encryption round keys eRK | 08-27-2015 |
20150291928 | APPARATUS AND METHOD FOR SIMULTANEOUS OPERATION OF REFINING CELLULOSIC BIOMASS AND MIXING ENZYMES - An apparatus comprises: a hopper for feeding biomass; a horizontal extruder comprising a cylindrical housing and a rotatable screw mounted in the housing, in which one side of the housing is connected to the hopper, and an outlet provided at the other side of the housing is connected to an inlet for feeding biomass into a refiner; and a refiner comprising a stator disc having a cooling water space formed on the outer peripheral surface thereof, one or more enzyme feeding holes provided in a refining region adjacent to the circumference of the stator disc, and a biomass inlet provided at the central portion thereof, and a refining disc which is disposed so as to form a gap with the inner surface of the stator disc and to have a refining region opposite to that of the stator disc and is rotated by a separate motor. | 10-15-2015 |
20150291989 | REACTOR FOR CONTINUOUS SACCHARIFICATION OF HIGH-SOLID BIOMASS - A reactor for continuous saccharification of biomass having a high solid content comprises perforated plates and stirring means, in which the perforated plates includes nozzles for feeding additives, including a saccharification enzyme, and a sensor, which communicate with the holes of the perforated plates. | 10-15-2015 |
20160056954 | APPARATUS AND METHOD FOR PROVIDING FEISTEL-BASED VARIABLE LENGTH BLOCK CIPHER - An apparatus and method for providing a Feistel-based variable length block cipher, which are configured to when plaintext having a certain bit length is encrypted, generate ciphertext having the same bit length as plaintext, and to decrypt ciphertext into plaintext having the same bit length. The apparatus includes an encryption/decryption key generation unit for generating a number of encryption/decryption keys corresponding to a preset number of rounds, based on a secret key, the length of the secret key, the length of plaintext, and a round constant; an encryption/decryption tweak generation unit for generating an encryption/decryption tweak based on a tweak, a length of tweak, and the length of plaintext; and a ciphertext output unit for outputting ciphertext having length identical to that of plaintext, based on plaintext, the length of the plaintext, the length of the secret key, the encryption/decryption keys, and the encryption/decryption tweak. | 02-25-2016 |
Patent application number | Description | Published |
20120034516 | CATHODE ACTIVE MATERIAL EXHIBITING IMPROVED PROPERTY IN HIGH VOLTAGE - Disclosed herein is a cathode active material including a lithium transition metal oxide based on at least one transition metal selected from a group consisting of Ni, Mn and Co. The lithium transition metal oxide contains fluorine, and most of the fluorine is present on a surface of the lithium transition metal oxide, and at least one metal selected from a group consisting of Mg, Ti, Zr, Al and Fe as well as sulfur (S) are further contained in the lithium transition metal oxide. | 02-09-2012 |
20120330589 | BINDER WITH GOOD RATE PROPERTY AND LONG CYCLEABILITY FOR LITHIUM SECONDARY BATTERY - Disclosed is a binder, which comprises polymer particles obtained by polymerization of: (a) 1˜80 parts by weight of a (meth)acrylic acid ester monomer; (b) 1˜20 parts by weight of an unsaturated carboxylic acid monomer; and (c) 0.001˜40 parts by weight of a vinyl monomer, based on 100 parts by weight of the binder polymer, and which allows electrode active material particles capable of lithium intercalation/deintercalation to be fixed and linked among themselves, and between the particles and a collector. An electrode comprising the binder, and a lithium secondary battery having the electrode are also disclosed. Further, a method for evaluating interrelation between wettability of a binder to an electrolyte and quality of a battery comprising the binder is disclosed. | 12-27-2012 |
20140212750 | LITHIUM SECONDARY BATTERY COMPRISING SPHERICAL GRAPHITE AS ANODE ACTIVE MATERIAL - Disclosed is an anode active material for lithium secondary batteries that includes natural graphite particles consisting of spherical particles of agglomerated graphite sheets, outer surfaces of which are not coated with a carbon-based material, wherein the surfaces of the particles have a degree of amorphization of at least 0.3 within a range within which an R value [R=I | 07-31-2014 |
20140287316 | ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided is an anode for a lithium secondary battery composed of a multi-layered structure including an electrode current collector, a first anode active material layer including a first anode active material formed on the electrode current collector, and a second anode active material layer including a second anode active material having relatively lower press density and relatively larger average particle diameter than the first anode active material. | 09-25-2014 |
20150017529 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME - Disclosed is a cathode active material for secondary batteries in which a carboxymethyl cellulose derivative is coated on surfaces of particles of a lithium transition metal oxide having the formula Li | 01-15-2015 |
20150030923 | LITHIUM SECONDARY BATTERY HAVING ANODE CONTAINING AQUEOUS BINDER - Disclosed is a lithium secondary battery that includes an anode coated with an anode mixture including an anode active material, a cathode coated with a cathode mixture including a cathode active material, and a non-aqueous electrolyte, wherein the anode mixture includes, as aqueous binders, carboxymethyl cellulose (CMC) having a degree of substitution of a hydroxyl group (—OH) with a carboxymethyl group (—CH | 01-29-2015 |
Patent application number | Description | Published |
20080318784 | USE OF 5-BENZYLOXYMETHYL-1,2-ISOXAZOLINE DERIVATIVES AS A HERBICIDE - The present invention relates to a turf herbicide comprising, as an active ingredient, of 5-benzyloxymethyl-1,2-isoxazoline derivatives of formula (I), which have been known as an a rice paddy herbicide. In addition, 5-benzyloxymethyl-1,2-isoxazoline derivatives of the present invention have a high activity not only as a turf herbicide but also as a herbicide for upland crops and direct-seeded rice. As such, the derivatives of the present invention can be used either as an upland herbicide or as a herbicide for direct-seeded paddy field rice. | 12-25-2008 |
20100035755 | METHOD OF CONTROLLING WEEDS IN A TURF GRASS BY USING SULFONYLUREA COMPOUNDS - The present invention relates to a method of controlling weeds in a turf grass using a sulfonylurea compound. More specifically, the present invention relates to a turf grass herbicide which comprises as an effective component a benzene sulfonylurea derivative compound that is represented by the Formula (I), or a thiophene sulfonylurea derivative compound that is represented by the Formula (II), and a method of controlling selectively poaceae, cyperaceae and broadleaf weeds by using the sulfonylurea compounds. | 02-11-2010 |
20110306496 | USE OF 5-BENZYLOXYMETHYL-1,2-ISOXAZOLINE DERIVATIVES AS A HERBICIDE - A method of selectively controlling annual bluegrass and/or goosegrass in turf grass, the method includes applying 5-benzyloxymethyl-1,2-isoxazoline derivative compounds, pre-emergence or post-emergence, to goosegrass and/or annual bluegrass in turf grass. | 12-15-2011 |
20140256553 | PHENYLISOXAZOLINE-BASED COMPOUND HAVING HERBICIDAL ACTIVITY AND USE THEREOF - Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges. | 09-11-2014 |
20150158852 | INDUSTRIAL METHOD FOR THE PREPARATON OF HIGH-PURITY METHIOZOLIN - Provided is an industrial method for the preparation of [5-{(2,6-difluorobenzyloxy)methyl}-4,5-dihydro-5-methyl-3-(3-methylthiophene-2-yl)-isoxazole](common name: methiozolin) represented by Formula 1 that is a herbicidal substance in high-purity. | 06-11-2015 |
Patent application number | Description | Published |
20110299645 | Breeding Nuclear Fuel Mixture Using Metallic Thorium - Disclosed is a breeding nuclear fuel mixture including metallic thorium useable in a nuclear power plant, prepared by mixing uranium dioxide (UO | 12-08-2011 |
20130220493 | ZIRCONIUM ALLOYS FOR A NUCLEAR FUEL CLADDING HAVING A SUPERIOR OXIDATION RESISTANCE IN A REACTOR ACCIDENT CONDITION, ZIRCONIUM ALLOY NUCLEAR FUEL CLADDINGS PREPARED BY USING THEREOF AND METHODS OF PREPARING THE SAME - Disclosed are a zirconium alloy for a nuclear fuel cladding having a good oxidation resistance in reactor accident conditions, a zirconium alloy nuclear fuel cladding prepared by using thereof and a method of preparing the same. The zirconium alloy includes 1.0 to 1.2 wt % of niobium (Nb); at least one element selected from tin (Sn), iron (Fe) and chromium (Cr); 0.02 to 0.1 wt % of copper (Cu); 0.1 to 0.15 wt % of oxygen (0); 0.008 to 0.012 wt % of silicon (Si) and a remaining amount of zirconium (Zr). The amount of Sn is 0.1 to 0.3 wt %, the amount of Fe is 0.3 to 0.8 wt %, and the amount of Cr is 0.1 to 0.3 wt %. A good oxidation resistance of the nuclear fuel cladding may be confirmed under accident conditions as well as normal operating conditions of a reactor, thereby improving economic efficiency and safety. | 08-29-2013 |
20130220494 | ZIRCONIUM ALLOYS FOR A NUCLEAR FUEL CLADDING HAVING A SUPERIOR CORROSION RESISTANCE BY REDUCING AN AMOUNT OF ALLOYING ELEMENTS AND METHODS OF PREPARING A ZIRCONIUM ALLOY NUCLEAR FUEL CALDDING USING THEREOF - Disclosed are a zirconium alloy for a nuclear fuel cladding having a good corrosion resistance by reducing an amount of alloying elements and a method of preparing a zirconium alloy nuclear fuel cladding using thereof. The zirconium alloy includes 0.2 to 0.5 wt % of niobium (Nb); 0.2 to 0.6 wt % of iron (Fe); 0.3 to 0.5 wt % of chromium (Cr); 0.1 to 0.15 wt % of oxygen (O); 0.008 to 0.012 wt % of silicon (Si) and a remaining amount of zirconium (Zr). The total amount of the niobium, the iron and the chromium is 1.1 to 1.2 wt %. A good oxidation resistance of the nuclear fuel cladding may be confirmed under accident conditions as well as normal operating conditions of a reactor, thereby improving economic feasibility and safety. | 08-29-2013 |
20130220495 | ZIRCONIUM ALLOYS FOR A NUCLEAR FUEL CLADDING HAVING A SUPERIOR OXIDATION RESISTANCE IN A SEVERE REACTOR OPERATION CONDITION AND METHODS OF PREPARING A ZIRCONIUM ALLOY NUCLEAR CLADDING BY USING THEREOF - Disclosed are a zirconium alloy for a nuclear fuel cladding having a good oxidation resistance in a severe reactor operation condition and a method of preparing zirconium alloy nuclear fuel claddings by using thereof. The zirconium alloy includes 1.8 to 2.0 wt % of niobium (Nb); at least one element selected from iron (Fe), chromium (Cr) and copper (Cu); 0.1 to 0.15 wt % of oxygen (O); 0.008 to 0.012 wt % of silicon (Si) and a remaining amount of zirconium (Zr). The amount of Fe is 0.1 to 0.4 wt %, the amount of Cr is 0.05 to 0.2 wt %, and the amount of Cu is 0.03 to 0.2 wt %. A good oxidation resistance of the nuclear fuel cladding may be confirmed under a severe reactor operation condition at an accident condition as well as a normal operating condition of a reactor, thereby improving economic efficiency and safety. | 08-29-2013 |
20130223582 | FABRICATION METHOD OF BURNABLE ABSORBER NUCLEAR FUEL PELLETS AND BURNABLE ABSORBER NUCLEAR FUEL PELLETS FABRICATED BY THE SAME - A fabrication method of burnable absorber nuclear fuel pellets and burnable absorber nuclear fuel pellets fabricated by the same are provided, in which the fabrication method includes adding boron compound and manganese compound to one or more type of nuclear fuel powders selected from the group consisting of uranium dioxide (UO | 08-29-2013 |
20130302639 | ZIRCONIUM ALLOY FOR IMPROVING RESISTANCE TO OXIDATION AT VERY HIGH TEMPERATURE AND FABRICATION METHOD THEREOF - A zirconium alloy for use in nuclear fuel assemblies is provided, which provides increased resistance against oxidation and corrosion and also improved bonding with parent material, because pure metallic material such as silicon (Si) or chromium (Cr) is evenly coated on the surface of the parent material by plasma spraying. Because the plasma spray coating used to coat the pure metallic material on the zirconium alloy does not require vacuum equipment and also is not limited due to the shape of the coated product, this is particularly useful when evenly treating the surface of the component such as 4 m-long tube or spacer grip arrangement which is very complicated in shape. Furthermore, because the coated zirconium alloy confers excellent resistance to oxidation and corrosion under emergency such as accident as well as normal service condition, both the economic and safety aspects of nuclear fuel are improved. | 11-14-2013 |
20130344348 | ZIRCONIUM ALLOY WITH COATING LAYER CONTAINING MIXED LAYER FORMED ON SURFACE, AND PREPARATION METHOD THEREOF - A zirconium alloy with a coating layer formed on a surface comprising a mixed layer, the mixed layer comprises one or more very high temperature oxidation resistant material and zirconium alloy parent material selected from the group consisting of Y | 12-26-2013 |
20140185730 | URANIUM DIOXIDE NUCLEAR FUEL PELLET HAVING CERAMIC MICROCELLS AND FABRICATING METHOD THEREOF - A uranium dioxide nuclear fuel pellet has about 50 to about 400 μM (with respect to a 3-dimentional size) microcells formed of a ceramic material having a chemical attraction with fission products generated in the nuclear fuel pellet to absorb and trap the fission products, such that the extraction of the fission product may be retrained in a normal operation condition and that the performance of the nuclear fuel may be enhanced by mitigating PCI. In addition, highly radioactive fission products including Cs and I having a large generation amount or a long half-life enough to affect the environments can be trapped in the pellet in an accident condition, without being released outside. | 07-03-2014 |
20140185731 | URANIUM DIOXIDE NUCLEAR FUEL PELLET HAVING METALLIC MICROCELLS AND FABRICATING METHOD THEREOF - A uranium dioxide nuclear fuel pellet includes metallic microcells having a high protection capacity for fission products and a high thermal conductivity simultaneously arranged in the nuclear fuel pellet to trap fission products, such that extraction of fission products may be restrained in a normal operation condition and that the temperature of a nuclear fuel may be lowered to enhance the performance of the nuclear fuel, only to restrain extraction of radioactive fission products toward the environment in an accident condition to enhance a stability of the nuclear fuel pellet, and a fabricating method thereof. | 07-03-2014 |
20160108507 | Chromium-Aluminum Binary Alloy Having Excellent Corrosion Resistance and Method of Manufacturing Thereof - The present disclosure relates to a chromium-aluminum binary alloy with excellent corrosion resistance and a method of producing the same, and more particularly to a chromium-aluminum binary alloy with excellent corrosion resistance, including: 1 to 40% by weight of aluminum (Al), the balance of chromium (Cr), and other unavoidable impurities with respect to a total weight of the alloy, and a method of producing a chromium-aluminum binary alloy with excellent corrosion resistance, the method including: (Step | 04-21-2016 |