INDUSTRIAL COOPERATION FOUNDATION CHONBUK NATIONAL UNIVERSITY Patent applications |
Patent application number | Title | Published |
20150367041 | METHOD FOR MANUFACTURING NANO-HYDROXYAPATITE/POLY(LACTIC ACID) HYBRID NANO-COMPOSITE MEMBRANE MAT, NANO-HYDROXYAPATITE/POLY(LACTIC ACID) HYBRID NANO-COMPOSITE MEMBRANE MAT MANUFACTURED THEREBY, AND AIR-JET SPINNING APPARATUS THEREFOR - Provided is a preparing method of a nano hydroxyapatite/poly(lactic acid) hybrid nanocomposite membrane mat including: mixing a hydroxyapatite powder with poly(lactic acid) in a solvent; and preparing a hydroxyapatite/poly(lactic acid) composite mat on a substrate by nozzle-injecting the mixture obtained in the mixing by an air-jet spinning method. | 12-24-2015 |
20150270381 | HETEROSTRUCTURE FIELD EFFECT TRANSISTOR HAVING HIGH EFFICIENCY AND METHOD OF PREPARING THE SAME - A high-efficiency heterojunction filed effect transistor in which a gate electrode area is formed to the direction of a drain electrode on nitride-based buffer layers with a low dislocation density to exhibit a high breakdown voltage, and its preparation method. | 09-24-2015 |
20150085200 | LIQUID CRYSTAL MODULATOR FOR DETECTING A DEFECTIVE SUBSTRATE AND INSPECTION APPARATUS HAVING THE SAME - An inspection apparatus for detecting a defect of a substrate is provided. The inspection apparatus includes a liquid crystal modulator, a light emitting unit, a beam splitter, and a measurement unit. The liquid crystal modulator includes a reflection layer, a liquid crystal layer, an electrode, and a polarizer. The reflection layer reflects a light. The sensor layer includes a hybrid aligned nematic liquid crystal. The electrode is provided on the liquid crystal layer. The polarizer is provided on the electrode. | 03-26-2015 |
20140375054 | METHOD OF CONTROLLING INERTIA IN WIND FARM - The present invention relates to a method of controlling a wind farm. A method of controlling inertia in a wind farm includes obtaining information about the frequency of an electrical grid which has been received from the electrical grid or calculated using the voltage of the wind turbine, receiving information about the rotor speed of the wind turbine, calculating the kinetic energy of the wind turbine using the information about the rotor speed, calculating an individual droop coefficient of the wind turbine using the calculated kinetic energy, and controlling the wind turbine using the calculated droop coefficient. | 12-25-2014 |
20140321020 | FLYBACK TYPE SNUBBER CIRCUIT - A flyback type snubber circuit includes an transformer configured to have a primary side connected between a power source and a switch and have a secondary side connected to a diode. The diode is connected between the power source and the transformer. | 10-30-2014 |
20140299753 | FIBER-OPTIC SENSOR DEVICE - Provided is a fiber-optic sensor device. The fiber-optic sensor device is capable of sensing a change in physical quantity by using two fiber Bragg grating units arranged within an optical fiber and a fiber-optic sensor unit arranged therebetween, thereby implementing a low cost fiber-optic grating sensor having a simple structure without requiring a reference FBG. | 10-09-2014 |
20140055118 | HIGH EFFICIENCY DC/DC CONVERTER WITH HIGH CONVERSION RATIO - A high efficiency DC/DC converter with high conversion ratio is provided. The DC/DC converter includes a power switch for selectively switching an electrical connection between one side of a power supply and anodes of a first diode and a second diode, a first capacitive element whose one side is connected to a cathode of the first diode, a second capacitive element whose one side is connected to a cathode of the second diode, a first-first switch for selectively switching an electrical connection between the other side of the first capacitive element and the other side of the power supply, and a second-first switch for selectively switching an electrical connection between the other side of the first capacitive element and one side of the second capacitive element. | 02-27-2014 |
20130329149 | LIQUID CRYSTAL COMPOSITION, METHOD OF FORMING AN OPTICALLY ISOTROPIC PHASE OF A LIQUID CRYSTAL, AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A liquid crystal composition including about 70 percent by weight to about 98 percent by weight of a liquid crystal molecule; and about 2 percent by weight to about 30 percent by weight of a hydrogel agent, each based on a total weight of the liquid crystal composition. | 12-12-2013 |
20130238244 | METHOD FOR PREDICTING WIND CONDITIONS IN WIND FARM - A method for predicting wind conditions in a wind farm is provided. The method includes the steps of: (a) measuring wind conditions including a wind speed and a wind direction by means of wind condition measurement devices disposed outside the wind farm; (b) compensating for an error occurring while the wind conditions measured by the wind condition measurement devices are reaching the wind farm; and (c) calculating wind conditions in each wind turbine in the wind farm after a predetermined time based on the wind conditions whose error is compensated in step (b). According to the present invention, it is possible to stably operate the wind farm and effectively operate the entire power grid associated with the wind farm by accurately predicting the wind conditions after a predetermined time to minimize the fluctuation in power output of the wind farm due to a change in the wind conditions. | 09-12-2013 |
20130224177 | METHOD OF REGULATING FERTILIZING ABILITY USING CYCLIC ADP-RIBOSE AND CD38 - The present invention relates to a pharmaceutical composition for promoting fertilization comprising cyclic ADP-ribose or its derivative, CD38 and to a method of promoting fertilization by promoting the synthesis of cyclic ADP-ribose to increase sperm motility. Also, the present invention relates to a pharmaceutical composition for contraception and a method for inhibiting fertilization, which can inhibit the expression or function of cyclic ADP-ribose to reduce sperm motility, thereby inhibiting fertilization. | 08-29-2013 |
20130203571 | SYSTEM FOR DYNAMICALLY TRAINING POSTURAL BALANCE - Disclosed is a dynamic postural balance training system. The system includes: a base frame; a support frame which extends upwards from the base frame; a roll motion frame which is coupled to the upper portion of the support frame by a first shaft so as to be rotatable to the left or the right; a pitch motion frame which is coupled to the roll motion frame by a second shaft so as to be rotatable forwards or rearwards; a pelvis fastening unit which is disposed inside the pitch motion frame and which expands to fix the pelvis of the user in place; a connector which extends downwards from the pitch motion frame; and a foot fastening unit which is coupled to the lower end of the connector and expands to fix the feet of the user in place. | 08-08-2013 |
20130123142 | COMPOSITION FOR PREVENTING OR TREATING DIABETES COMPRISING NAD GLYCOHYDROLASE INHIBITOR AS ACTIVE INGREDIENT - The present invention provides a composition for preventing or treating diabetes, comprising an NAD glycohydrolase (NADase) inhibitor as an active ingredient. The NAD glycohydrolase (NADase) inhibitor according to the present invention has the effect of reducing blood glucose levels and promoting insulin secretion and thus can be effectively used as a therapeutic agent for diabetes, particularly type II diabetes. | 05-16-2013 |
20130101048 | SIGNAL TRANSFORMATION APPARATUS APPLIED HYBRID ARCHITECTURE, SIGNAL TRANSFORMATION METHOD, AND RECORDING MEDIUM - A signal transformation apparatus, a signal transformation method, and a recording medium are provided. The signal transformation apparatus selects any one of DCT-II, DST-II, DFT, and HWT, and transforms and outputs the input signal according to the selected transform. Therefore, the hybrid architecture of low complexity can be attained. | 04-25-2013 |
20120200086 | METHOD AND SYSTEM FOR CONTROLLING WIND FARM WHEN WIND SPEED VARIES ABRUPTLY - The present invention relates to a method and system for controlling a wind farm when a ramp up or ramp down rate of the wind farm does not satisfy a grid-code or corresponding criteria due to an abrupt change in wind speed. The method and system for controlling a wind farm includes the steps of measuring speed and direction of wind performed outside the wind farm, sequentially controlling wind turbines if the wind speed abruptly changes considering a time for the wind to arrive at the wind turbines, determining the number of wind turbines to be controlled simultaneously so that the wind farm may satisfy the grid-code at this point, grouping the wind turbines, determining a control sequence and a control time of each group, and adjusting a control end time if stopping times of adjacent groups are overlapped when the wind turbines are stopped. | 08-09-2012 |
20120189607 | METHOD OF REGULATING FERTILIZING ABILITY USING CYCLIC ADP-RIBOSE AND CD38 - The present invention relates to a pharmaceutical composition for promoting fertilization comprising cyclic ADP-ribose or its derivative, CD | 07-26-2012 |
20120162021 | CIRCULARLY POLARIZED ANTENNA WITH WIDE BEAM WIDTH - Disclosed herein is a circularly polarized antenna with a wide beam width, in which four U-shaped metal strips are disposed in a circular shape, and four signals having the same magnitude and phase difference intervals of 90 degrees are fed to the respective metal strips so as to transceive circularly polarized waves. The disclosed circularly polarized antenna includes a ground plane, a central patch formed in the center of an upper surface of the ground plane, and a plurality of radiation patches disposed above the ground plane and around the central patch in a circular shape, wherein signals having the same magnitude and preset phase differences are fed to respective radiation patches. | 06-28-2012 |
20120093014 | COMMUNICAITON METHOD AND APPARATUS USING SYMBOL INTERLEAVING - A communication method and apparatus using a symbol interleaver in a long term evolution (LTE)-based satellite communication system are provided. The communication method may include determining whether to use an interleaver based on service information, and interleaving the data using the symbol interleaver designed based on interleaver information. Also, the communication method may include generating random data using a timer and interleaving the random data. | 04-19-2012 |
20120078990 | SIGNAL PROCESSING DEVICE AND IMAGE PROCESSING DEVICE - A signal processing device and an image processing device are provided. The signal processing device includes a matrix calculator for performing a matrix operation selected by a switch part among a DCT matrix operation, a Haar matrix operation, and a Slant matrix operation, with respect to an input signal. Thus, the signal processing device can be implemented in a hybrid architecture capable of selectively processing the DCT-II transform, the Haar transform, and the Slant transform with a single chip. | 03-29-2012 |
20120009089 | THIN-FILM HIGH-ACTIVITY GAS SENSOR USING CORE-SHELL STRUCTURED COMPOSITE NANOPARTICLES AS SENSING MATERIAL AND METHOD OF MANUFACTURING THE SAME - Disclosed herein is a thin-film high-activity gas sensor, the sensitivity, selectivity and long-term stability of which can be greatly improved, the manufacturing process of which can be simplified, and which can be formed into a thin film and be miniaturized. | 01-12-2012 |
20120008702 | METHOD FOR PRECODING AND DECODING DISTRIBUTING MIMO CHANNELS IN RELAY-BASED DF COOPERATIVE WIRELESS NETWORKS - It is well known that relay-based DF cooperative wireless networks outperform AF cooperative networks. However, this performance enhancement is achievable through considerable signal processing (precoding/decoding) at relay nodes. To reduce the precoding/decoding complexity, a method for precoding and decoding a distributive MIMO channel in the relay-based DF cooperative wireless network using EVD based on properties of Jacket transformations is provided. | 01-12-2012 |
20110272629 | LYOTROPIC CHROMONIC LIQUID CRYSTAL COMPOSITION, METHOD FOR MANUFACTURE OF LYOTROPIC CHROMONIC LIQUID CRYSTAL COATING FILM, AND LYOTROPIC CHROMONIC LIQUID CRYSTAL COATING FILM MANUFACTURED THEREBY - The present invention relates to a lyotropic chromonic liquid crystal composition, a method for manufacturing a lyotropic chromonic liquid crystal coating film and a lyotropic chromonic liquid crystal coating film manufactured thereby. The lyotropic chromonic liquid crystal composition of the present invention includes chromonic liquid crystal compounds and monomers each having opposing acid-base properties. Use of the lyotropic chromonic liquid crystal composition in the formation of optical films leads to improvements in electrical and optical properties such as mechanical strength, an insulating characteristic and a refractive index. | 11-10-2011 |
20110186863 | Light Emitting Diode Having Improved Light Emission Efficiency and Method for Fabricating the Same - Provided is a light emitting diode (LED) having improved light emission efficiency, which can effectively overcome a technical limit of the related art by implementing a surface plasma resonance effect as well as reducing a layer defect such as threading dislocations in an LED structure. | 08-04-2011 |
20100248859 | SOFT GOLF CLUB HEAD - Provided is a soft golf club head that forms a striking surface with a plurality of strings fixed to a body of the head and a tension adjusting screw to enable adjusting of string tension, so that shock transferred to a golfer is reduced, flight distance of the golf ball can be adjusted, and a broader demography can enjoy golfing with less restrictions. | 09-30-2010 |
20100203510 | PPIA MARKER FOR DIAGNOSIS OF LIVER CANCER AND ANTIBODY, AND SCREENING METHOD OF COMPOUNDS USEFUL FOR INHIBITING LIVER CANCER - Disclosed is a marker for diagnosis of liver cancer comprising polynucleotide useful for diagnosis of liver cancer. The marker for liver cancer diagnosis comprises at least one polynucleotide selected from a group consisting of the following polynucleotides (a) to (d):(a) polynucleotide having a base sequence defined by Seq. No. 1 or substantially similar sequence to Seq. No. 1; (b) polynucleotide encoding specific protein composed of an amino acid sequence defined by Seq. No. 2; (c) polynucleotide that comprises Seq. No. 2, in which at least one amino acid is substituted, deleted, inserted and/or added, and that encodes protein functionally equivalent to specific protein composed of Seq. No. 2; and (d) polynucleotide that is encoded by another polynucleotide hybridized with polynucleotide having Seq. No. 1 under stringent conditions, and that encodes protein functionally equivalent to specific protein composed of Seq. No. 2. | 08-12-2010 |
20100035737 | HEALTH MACHINE USING MAGNETORHEOLOGICAL FLUID - Provided is an exercise fitness machine that can be varied in weight in a minute unit in accordance with a body condition of a user and easily transformed in accordance with a developing portion of the body, thereby maximizing convenience in use and efficiency of exercise. The exercise/fitness machine includes a base frame, a muscular strength member that is provided on an upper end of the base frame to develop muscular strength of an upper or lower body of a user, and a weight varying unit provided between the base frame and the muscular developing member and including a damper containing magnetorheological fluid to vary a weight sense in accordance with a user's selection. | 02-11-2010 |