Dongguk University Industry - Academic Cooperation Foundation Patent applications |
Patent application number | Title | Published |
20160140346 | DATA CONCEALMENT APPARATUS AND METHOD USING AN ERROR CORRECTION CODE - Disclosed are a data concealment apparatus and a data concealment method using an Error Correction Code. According to exemplary embodiments of the present invention, it is possible to prevent important information from being easily exposed to a third person by generating encoding data through convolution encoding of input data and thereafter, concealing the encoding data on an image through adjustment of a pixel value on the image and minimize an error which can occur at the time of recovering the input data by extracting the encoding data from the image in a soft decision scheme and performing Viterbi-decoding on the extracted encoding data in order to recover the input data concealed in the image. | 05-19-2016 |
20150350585 | RAMP SIGNAL CALIBRATION APPARATUS AND METHOD AND IMAGE SENSOR INCLUDING THE RAMP SIGNAL CALIBRATION APPARATUS - Provided are a ramp signal calibration apparatus and method and image sensor including the apparatus. The apparatus includes: an analog-to-digital converter (ADC) including a trimmable transistor having a gain value that varies according to stored data , and configured to receive a ramp signal in a state where the gain value is a first gain value, and to output first and second output signals; a subtractor configured to calculate a difference between the first and second output signals; a digital comparator configured to compare the difference with a reference value and to determine whether a slope of the ramp signal has changed; and a counter configured to change the stored data based on whether the slope of the ramp signal has changed, wherein when the counter changes the data, the first gain value of the trimmable transistor is changed to a second gain value according to the changed data. | 12-03-2015 |
20150291509 | NOVEL BIPHENYL DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, AND PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING INFLAMMATORY DISEASES OR AUTOIMMUNE DISEASES COMPRISING THE SAME AS ACTIVE INGREDIENT - The present invention relates to a novel biphenyl derivative or a pharmaceutically acceptable salt thereof, a pharmaceutical composition for preventing or treating inflammatory diseases or autoimmune diseases comprising the same as an active ingredient, and methods for treating inflammatory disease or autoimmune diseases with the pharmaceutical composition. Novel biphenyl derivatives according to the present invention promote the phagocytosis of macrophages and inhibit the chemotaxis to exhibit excellent inflammation terminating and anti-inflammatory effects and thus can be effectively used as therapeutic agents for inflammatory diseases or autoimmune diseases. | 10-15-2015 |
20150259312 | NOVEL DISUBSTITUTED ADAMANTYL DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PRODUCTION METHOD FOR SAME, AND PHARMACEUTICAL COMPOSITION FOR SUPPRESSING CANCER METASTASIS COMPRISING SAME AS ACTIVE INGREDIENT - The present invention relates to a novel disubstituted adamantyl derivative or the pharmaceutically acceptable salts thereof, a method for preparing the same, and a pharmaceutical anticancer or antimetastasis composition comprising the same as an active ingredient. The disubstituted adamantyl derivative of the present invention suppressed accumulation of HIF-1α, inhibiting the expression of the metastasis related protein Twist dose-dependently. Thus, the disubstituted adamantyl derivative of the invention is effective in inhibiting the expressions of the metastasis related proteins, β-catenin and RohA, and the EMT related genes such as MMP2 and MMP9, without cytotoxicity. Therefore, the disubstituted adamantyl derivative or the pharmaceutically acceptable salts thereof of the invention can be efficiently used as a pharmaceutical anticancer or antimetastasis composition. | 09-17-2015 |
20150212038 | TARGET SUBSTANCE DETECTION METHOD USING APTAMER - Disclosed is a method and kit of detecting a target material using an aptamer, and more particularly to a method and kit for detecting a target material, in which a sample and a second aptamer are added to a first aptamer immobilized on a solid phase so as to form a bond sandwiched between the first aptamer, the target material and the second aptamer, to an FET sensor-based method and kit for detecting a target material, and to an AAO sensor-based method and kit for detecting a target material. | 07-30-2015 |
20150205889 | METHOD AND APPARATUS OF FLUID SIMULATION - A fluid simulation method and apparatus is provided. The fluid simulation method according to an embodiment of the present invention comprises setting initial conditions of level set and velocity field for a simulation object and setting FLIP particles according to the set initial condition of the level set and the set initial condition of the velocity field; updating the level set and the velocity field by advection of the level set and the velocity field; reconstructing the updated level set and the updated velocity field; redeploying the FLIP particles for the simulation object; projecting the updated velocity field to have incompressibility; and updating velocity of each of the deployed particles. | 07-23-2015 |
20150030305 | APPARATUS AND METHOD FOR PROCESSING STAGE PERFORMANCE USING DIGITAL CHARACTERS - The present invention relates to an apparatus and method for processing a stage performance using digital characters. According to one embodiment of the present invention, an apparatus for processing a virtual video performance using a performance of an actor includes a motion input unit for receiving an input motion from the actor through a sensor attached to the body of the actor, a performance processor for creating a virtual space and reproducing a performance in real time according to a pre-stored scenario, a playable character (PC) played by the actor and acting based on the input motion, a non-playable character (NPC) acting independently without being controlled by the actor, an object, and a background being arranged and interacting with one another in the virtual space, and an output unit for generating a performance image from the performance reproduced by the performance processor and outputting the performance image to a display device. | 01-29-2015 |
20140377773 | Detection Marker for Anticancer Effects by Selenomethionine as an Inhibitor of Environmental Toxicity - The present invention relates to specific markers capable of detecting the development of colorectal cancer and the colorectal cancer inhibitory effect of SeMet (selenomethionine) having a chemopreventive effect against colorectal cancer. When the expressions of the biomarkers according to the present invention are measured and the expression levels thereof are analyzed in combination, whether SeMet (selenomethionine) is to be administered to prevent colorectal cancer can be determined and the development of colorectal cancer and the inhibitory effect of SeMet (selenomethionine) against the development of colorectal cancer can be monitored. Thus, these markers can be effectively used to observe the colorectal cancer inhibitory effect of SeMet (selenomethionine) and the prognosis of colorectal cancer resulting from the intake of SeMet (selenomethionine). | 12-25-2014 |
20140099251 | Method for preparing of spinel lithium titanium oxide nanofiber for negative electrode of lithium secondary battery - Disclosed is a method of preparing spinel lithium titanium oxide nanofibers for a negative electrode of a lithium secondary battery, including (S1) mixing an organic material selected from the group consisting of polyvinylpyrrolidone, polymethylmethacrylate, polyethylene, polyethylene oxide and polyvinyl alcohol, a lithium precursor, and a titanium precursor with a solvent, thus preparing a mixture solution, (S2) electrospinning the mixture solution, thus preparing composite nanofibers, and (S3) heat-treating the composite nanofibers, thus removing the organic material. In the spinel lithium titanium oxide nanofibers for a negative electrode of a lithium secondary battery prepared using the method according to the present invention, the spinel lithium titanium oxide nanofibers can provide a large surface area per unit volume, thus increasing the contact area between the electrolyte and the conductor and decreasing the lithium ion diffusion distance, thereby greatly contributing to improving electronic conductivity and ionic conductivity. | 04-10-2014 |
20140039273 | METHOD OF TRACKING A POSITION OF AN EYE AND A MEDICAL HEAD LAMP USING THE SAME - A method of tracking a position of an eye is provided. The method of tracking a position of an eye includes converting an obtained image into a binary number image, classifying the corner of the eye, maximum and minimum values of a pupil of the eye, and extracting a feature point from the binary number image on which the binarization step is completed, calculating a distance and inclination between the corner and the pupil of the eye using the feature point extracted through the feature point extraction step, and determining a gaze direction of the eye based on the distance and inclination calculated through the distance and inclination calculation step. | 02-06-2014 |
20140021415 | Silicon-carbon Composite for Negative Electrode of Lithium Secondary Battery - Disclosed is a silicon-carbon composite for a negative active material of a lithium secondary battery, including carbon nanofibers and silicon particles, wherein the silicon particles are coated with amorphous silica. In the silicon-carbon composite of the invention, silicon is provided in the form of a composite with carbon fibers and the surface of silicon particles is coated with amorphous silica, thereby reducing volume expansion upon lithium ion insertion and exhibiting superior ionic conductivity and electrical conductivity to thus maintain high capacity, and also, amorphous silica-coated silicon is positioned inside the carbon fibers having a one-dimensional structure, thus ensuring a large specific surface area and a stable composite structure. | 01-23-2014 |
20130322053 | Medical headlamp for tracking eye locations - Provided is a medical headlamp including a main body put on a head, a driving unit installed and connected to one side of the main body and to provide a driving force, a location adjustment unit installed and connected to one side of the driving unit, a lamp unit installed and connected to one side of the location adjustment unit to move along with a movement of the location adjustment unit, and irradiate light onto one side of a front end thereof, a capturing unit installed and connected to one side of the main body and to capture eye locations, a control unit installed and connected to the driving unit and the capturing unit to analyze an image captured by the capturing unit, calculate the eye locations, and operate the driving unit according to the calculated eye calculation, and a power supply unit installed and connected to the control unit, the driving unit, and the lamp unit and to apply a current thereto. | 12-05-2013 |
20130285901 | SYSTEM AND METHOD FOR TRACKING GAZE AT DISTANCE - A system and method for tracking a gaze at a distance are provided. A remote gaze tracking system may include an infrared lighting unit including a plurality of infrared lightings to emit an infrared light toward a user, a gaze tracking module to track a position of a face of the user, and to collect, from the tracked position of the face, an eye image including at least one reflected light among a plurality of corneal reflected lights and a lens-reflected light, the corneal reflected lights being reflected from a cornea by the emitted infrared light, and the lens-reflected light being reflected from a lens of glasses, and a processor to compare a magnitude of the lens-reflected light with a threshold in the collected eye image, and when the magnitude of the lens-reflected light is equal to or less than the threshold, to detect coordinates of a center of each of the plurality of corneal reflected lights, and to calculate a gaze position. | 10-31-2013 |
20130264371 | Medical Anastomosis Apparatus - A medical anastomosis apparatus is provided. The medical anastomosis apparatus includes a cylindrical body which has a hollow portion and extends in a longitudinal direction, a pressing rod which is provided inside of the hollow portion of the body to translate along the hollow portion, a knob which is coupled to the pressing rod to provide a driving force to translate the pressing rod, a guide member which is inserted into one end of the body and simultaneously coupled to expose a portion of the body and has a pressing unit formed therein to move radially upon translation of the pressing rod, and a staple cartridge which is inserted around an outer circumferential surface of the guide member and then coupled to the body and has built-in staple clips that protrude outward upon movement of the pressing unit. | 10-10-2013 |
20130237542 | ARYLOXY PHENOXY ACRYLIC COMPOUND HAVING HIF-1 INHIBITION ACTIVITY, METHOD FOR PREPARING SAME, AND PHARMACEUTICAL COMPOSITION CONTAINING SAME AS AN ACTIVE INGREDIENT - The present invention relates to a compound inhibiting HF-1 activity, a preparation method of the same, and a pharmaceutical composition comprising the same as an active ingredient. The compound of the present invention demonstrates anticancer activity not by non-selective cytotoxicity but by inhibiting the activity of HIF-1, the transcription factor playing an important role in cancer cell growth and metastasis. Accordingly, the compound or the pharmaceutically acceptable salt thereof according to the present invention inhibits HIF-1 activity, and therefore can be used as a therapeutic agent for solid tumors such as colon cancer, liver cancer, stomach cancer and breast cancer. In addition, the compound or the pharmaceutically acceptable salt thereof according to the present invention can be used as an active ingredient for a therapeutic agent for diabetic retinopathy or arthritis which may become worse when hypoxia-induced VEGF expression by HIF-1 increases. | 09-12-2013 |
20130210637 | SOL-GEL CHIP USING POROUS SUBSTRATE FOR ENTRAPPING SMALL MOLECULES AND SCREENING METHOD OF SMALL MOLECULES SPECIFIC MATERIAL USING THEREOF - There is provided a sol-gel chip using a porous substrate for entrapping small molecules and a method for screening a small molecule-specific material using the same, and more particularly, a porous substrate sol-gel chip characterized in that a sol-gel composition for entrapping small molecules is spotted on a surface of the porous substrate, a method for manufacturing the porous substrate sol-gel chip for entrapping small molecules, and a method for screening a material specifically binding to the small molecules using the porous substrate sol-gel chip for entrapping small molecules. | 08-15-2013 |
20130209615 | SYSTEM FOR PROVIDING FOOD EXPIRATION DATE INFORMATION USING TTI AND METHOD FOR PROVIDING FOOD EXPIRATION DATE INFORMATION USING THE SAME - The present invention relates to a system for providing food expiration date information using a TTI (time temperature integrator) and a method for providing food expiration date information using the same. The system for providing the food expiration date information and the method for providing the food expiration date information using the same of the present invention includes: an input unit for receiving TTI information, food information, and distribution history information; a calculation unit for producing a TTI indication value corresponding to an expiration date of the food; and an output unit which determines and outputs a color corresponding to the expiration date of the food among stages of colors which can be expressed through the TTI according to time and temperature conditions using the TTI indication value. According to desired embodiments, the present invention enables a consumer to confirm correctly the expiration date of the corresponding food by providing the TTI indication value corresponding to the expiration date of the food. | 08-15-2013 |
20130202566 | METHOD FOR INDUCING DIFFERENTIATION OF MESENCHYMAL STEM CELLS TO NERVE CELLS USING SOUND WAVES - The present invention relates to a method for differentiation of mesenchymal stem cells. More specifically, the invention relates to a method for differentiating mesenchymal stem cells to neural cells by treating the mesenchymal stem cells with low-frequency sound waves. The differentiation method of the present invention can induce differentiation even with low-cost media rather than induced neural differentiation mediums which are expensive due to addition of growth factors, and the neural cells differentiated according to the present invention may be useful for treatment of neurological diseases. | 08-08-2013 |
20130202565 | METHOD FOR INDUCING DIFFERENTIATION OF ADULT STEM CELLS AND NERVE CELLS USING ELECTROMAGNETIC FIELD - The present invention relates to a method for differentiation of mesenchymal stem cells or dental pulp stem cells. More specifically, the invention relates to a method for differentiating stem cells to neural cells by applying mesenchymal stem cells or dental pulp stem cells with a low-frequency electromagnetic field. The differentiation method according to the present invention can induce differentiation even with low-cost mediums rather than induced neural differentiation mediums which are expensive due to addition of growth factors, and the neural cells differentiated according to the present invention may be useful for treatment of neurological brain diseases. | 08-08-2013 |
20130164813 | Method for Inhibiting Transglutaminase 2 Activity Using 2-alkyloxy-3-phenylethynyl-4a,5-dihydropyrido[2,3-b]pyrazine Derivatives - The present invention relates to a method for inhibiting transglutaminase 2 activity using 2-alkyloxy-3-phenylethynyl-4a,5-dihydropyrido[2,3-b]pyrazine derivatives. | 06-27-2013 |
20130108542 | Method for MN3O4 nanoparticles by solid-state decomposition of exfoliated MNO2 nanosheet | 05-02-2013 |
20130073055 | COMPOSITE SUPPORT CONTAINING SILK AND COLLAGEN, AND PREPARATION METHOD THEREOF - Embodiments of the present invention relate to a biodegradable scaffold for replacing tissue or inducing tissue regeneration and a preparation method thereof, wherein the scaffold comprises at least one woven silk tube layer and a collagen layer inside the tube layer. The scaffold is excellent in terms of tissue regeneration and mechanical properties and causes little or no immune response after implantation. Thus, the scaffold can be effectively used as a matrix for the regeneration of ligaments and tendons and the repair of injured muscles. | 03-21-2013 |
20130068272 | THERMOELECTRIC CONVERSION DEVICE USING A SOLVATING MATERIAL - The present invention relates to a thermoelectric conversion device using a solvating material, the device comprising: a cell with a closed structure, comprising a metal ammonia or metal amine compound as a solvating material; a polarization or porous separation membrane; and a heating unit, which prevents the outflow of the solvating material and thus maintains the solvating material in a reversible state. | 03-21-2013 |
20130057862 | ELECTROLUMINESCENCE SAMPLE ANALYSIS APPARATUS - Provided is an apparatus for analyzing an electroluminescence sample, which comprises: a pulse generator for applying a pulse driving signal to the electroluminescence sample; an electroluminescence (EL) detector for receiving electroluminescence which is emitted from the electroluminescence sample according to the application of the pulse driving signal, thereby acquiring a light-receiving signal; a temperature controller for varying the temperature of the electroluminescence sample; and an electroluminescence transient spectroscopy (ELTS) analysis unit for analyzing a change in a time division section of the light-receiving signal delayed depending on a change of the temperature of the electroluminescence sample, and acquiring information on a defect-type charge trap which exists in the electroluminescence sample. | 03-07-2013 |
20130052639 | METHOD OF ANALYZING XPG ENDONUCLEASE ACTIVITY - A method of quantitatively analyzing an XPG endonuclease activity is provided. The XPG endonuclease activity can be simply and cheaply analyzed without undergoing overexpression or purification of a recombinant protein. | 02-28-2013 |
20130018261 | Ultrasonic Apparatus Comprising Therapeutic Ultrasonic Transducer Detachably Coupled to Diagnostic Ultrasonic TransducerAANM Jeong; Jong SeobAACI SeoulAACO KRAAGP Jeong; Jong Seob Seoul KRAANM Kim; SungMinAACI Goyang-siAACO KRAAGP Kim; SungMin Goyang-si KRAANM Park; Jun YoungAACI SeoulAACO KRAAGP Park; Jun Young Seoul KR - An ultrasonic apparatus including a therapeutic ultrasonic transducer and a diagnostic ultrasonic transducer which is detachably coupled to the therapeutic ultrasonic transducer is provided. Here, the therapeutic and diagnostic ultrasonic transducers can be mounted to be independently replaceable with new ones. The therapeutic ultrasonic transducer and the diagnostic ultrasonic transducer, both of which constitute the ultrasonic apparatus, can be independently exchanged, transducers having various frequency bands and focusing distances can be combined, and damage to the diagnostic ultrasonic transducer can be prevented by preventing heat generated from therapeutic ultrasonic waves from being transferred to the diagnostic ultrasonic transducer. | 01-17-2013 |
20130010673 | RELAY METHOD FOR INCREASING FREQUENCY SELECTIVE CHARACTERISTIC OF WIRELESS CHANNEL AND RELAY DEVICE USING SAME - A relay method of a wireless communication system according to one embodiment of the present invention relates to a relay method of a wireless communication system in which at least one relay device communicates with a base station. The relay method comprises the steps of: each relay device setting information about a frequency band to be relayed, composing a control signal including the information about the set frequency band, and transmitting the control signal to at least one relay device; and receiving the control signal, extracting the information about the frequency band included in the control signal, amplifying the signal according to the information about the frequency band set in each relay device, and transmitting the amplified signal to at least one terminal. | 01-10-2013 |
20120325709 | CARBON DIOXIDE INDICATOR USING CHITOSAN AND FOOD PACKAGE COMPRISING THE SAME - Disclosed is a carbon dioxide indicator using chitosan and a food package comprising the same. The carbon dioxide indicator senses variation in partial pressure of carbon dioxide present in a head space of the package and thus visibly displays the result. The carbon dioxide indicator rapidly reacts at a specific critical point (pH 7.0) or less, thus being considerably highly sensitive. | 12-27-2012 |
20120321725 | METHODS OF PREPARING RED CLAY PROCESSED MATERIAL AND ALKALI IONIZED WATER - Provided is a method of preparing a red clay processed material using red clay and sodium hydroxide and a red clay processed material having anti-corrosive and virus disinfecting activity. Also, a method of preparing alkali ionized water having excellent anti-bacterial, virus disinfecting and anti-corrosive activity using the red clay processed material, alkali ionized water using the same, and a functional product including the same are provided. The red clay processed material and the method of preparing alkali ionized water using the same can reduce the reaction temperature and reaction time compared to a conventional process, thereby significantly reducing the production cost. The red clay processed material and the alkali ionized water have excellent anti-bacterial, anti-corrosive, and virus disinfecting activity and are not toxic, so they can be widely applied in various health-care and agricultural, livestock, and marine fields such as an agent for preventing viral infectious diseases, a food preservative, a natural agricultural pesticide or fertilizer, paint, feed, an eco-friendly construction material, a red tide/green tide inhibitor, a cosmetic additive, or an anti-corrosive agent. | 12-20-2012 |
20120314726 | LASER DIODE USING ZINC OXIDE NANORODS AND MANUFACTURING METHOD THEREOF - Provided are a laser diode using zinc oxide nanorods and a manufacturing method thereof. The laser diode using zinc oxide nanorods according to one embodiment of the present disclosure includes: a wafer; an electrode layer formed on the wafer; a nanorod layer including a plurality of n-doped zinc oxide nanorods grown on the electrode layer; and a p-doped single crystal semiconductor layer that is physically in contact with the ends of the zinc oxide nanorods. | 12-13-2012 |
20120308110 | Automation Method For Computerized Tomography Image Analysis Using Automated Calculation Of Evaluation Index Of Degree Of Thoracic Deformation Based On Automatic Initialization, And Record Medium And Apparatus - An automation method for CT image analysis for quantitatively analyzing the degree of thoracic deformation, and a record medium and apparatus are disclosed. | 12-06-2012 |
20120221237 | APPARATUS AND METHOD OF CELL-BASED PATH PLANNING FOR MOBILE BODY - Disclosed are an apparatus and method of cell-based path planning for a mobile body and a computer-readable recording medium storing the method therein. The method includes receiving a configuration space including a start point and a goal point of the mobile body and position information of obstacles, determining a search order of the obstacles located in the configuration space, performing cell decomposition by repeatedly connecting a vertex of one of the obstacles to a vertex of another obstacle according to the determined search order, and performing cell decomposition by making an extended line from each of non-connected vertices in a direction of dividing vertical angle of each of the non-connected vertices into two. | 08-30-2012 |
20120217285 | SOLDERING JIG - A soldering jig is disclosed. The soldering jig in accordance with an embodiment of the present invention includes: a mounting block having a plurality of accommodation holes penetrating from one surface to the other surface thereof, a plurality of soldered objects being accommodated in the plurality of accommodation holes; a first cover block coupled to one surface of the mounting block and having a support part configured to support the plurality of soldered objects accommodated in the plurality of accommodation holes; and a second cover block coupled to the other surface of the mounting block and having a plurality of pressing protrusions protruded to face the plurality of accommodation holes, respectively, to elastically support the plurality of soldered objects. Accordingly, a Gunn diode package that is soldered in a uniform quality can be obtained by maintaining a uniform pressure and heat transfer to the soldered objects in a soldering process. | 08-30-2012 |
20120205606 | Nonvolatile Memory Device Using The Resistive Switching of Graphene Oxide And The Fabrication Method Thereof - Disclosed are an oxide-based nonvolatile memory with superior resistive switching characteristics and a method for preparing the same. More particularly, the disclosure relates to a nonvolatile memory device having a metal/reduced graphene oxide (r-GO) thin film/metal structure and a method for preparing the same. | 08-16-2012 |
20120184232 | METHOD FOR SELECTING SOURCE TRANSMIT ANTENNA IN COOPERATIVE MIMO COMMUNICATION SYSTEM - Disclosed is a method for selecting a source transmit antenna in a cooperative multiple-input and multiple-output (MIMO) communication system including a source node, a relay node and a destination node. The method includes determining a source transmit antenna selection metric such that a source-destination channel, a source-relay channel and a relay-destination channel are related to one another, and selecting a positive integer number of antennas such that the source transmit antenna selection metric is maximized. | 07-19-2012 |
20120133754 | GAZE TRACKING SYSTEM AND METHOD FOR CONTROLLING INTERNET PROTOCOL TV AT A DISTANCE - A remote gaze tracking apparatus and method for controlling an Internet Protocol Television (IPTV) are provided. An entire image including a facial region of a user may be acquired using a visible ray, the facial region may be detected from the acquired entire image, and a face width, a distance between eyes, and a distance between an eye and a screen may be acquired from the detected facial region. Additionally, an enlarged eye image corresponding to a face of the user may be acquired using at least one of the acquired face width, the acquired distance between the eyes, and the acquired distance between the eye and the screen, and an eye gaze of the user may be tracked using the acquired eye image. | 05-31-2012 |
20120113928 | METHOD FOR ALLOCATING BITS IN MULTIPLE INPUT MULTIPLE OUTPUT COMMUNICATION SYSTEM AND RECORDING MEDIUM FOR RECORDING PROGRAM THEREFOR - The present invention relates to a method for allocating bits in a multiple input multiple output communication system that can improve transmission by allocating bits having high priority to a particular antenna selected by considering channel state of transmitting antennas, and a recording medium written with a program for said method. The method of allocating bits includes: generating bits through channel coding and rearranging the bits in an interleaving fashion; determining whether symbol mapping based on priority is to be applied, based on channel information of a receiving side; rearranging the bits or selecting a particular antenna, according to said determination; and modulating the rearranged bits and transmitting the bits through the selected antenna. | 05-10-2012 |
20120106689 | CLOCK AND DATA RECOVERY CIRCUIT - A clock and data recovery circuit is disclosed. The clock and data recovery circuit in accordance with an embodiment of the present invention uses a hybrid phase detector that is constituted by including a linear phase detector and a binary phase detector. Since the clock and data recovery circuit basically is constituted with the linear phase detector, a charge pump, a loop filter, a voltage controlled oscillator and a D flip flop to recover clock and data, a phase detector gain is irrelevant to the jitter of received data and recovered clock, and it is possible to make a fine adjustment of the size of up/down currents of the charge pump using the binary phase detector and a charge pump controller, thereby compensating a phase offset between the received data and the recovered clock. | 05-03-2012 |
20110090951 | METHOD FOR SELECTING CONTENT ADAPTIVE CODING MODE - Method for selecting content adaptive coding mode is disclosed. The method can apply a critical value to update by taking the advantages of a content adaptive MCTF update method and a covered pixel detection algorithm and, at the same time, improve the image quality by selecting a block having improper motion information and converting it into a coding in screen mode. The method also provides a method for selecting content adaptive coding mode that can improve the conventional MCTF algorithm by reusing JND, which is used in content adaptive MCTF, to find a block that has improper coding information and selecting a block that has improper motion information. | 04-21-2011 |
20110059609 | FABRICATION METHOD OF TWO-TERMINAL SEMICONDUCTOR COMPONENT USING TRENCH TECHNOLOGY - A method of fabricating a two-terminal semiconductor component using a trench technique is disclosed that includes forming a trench by etching an etching pattern formed on a substrate on which an active layer having impurities added is grown, forming a front metal layer on a front upper surface of the substrate by using an evaporation method or a sputtering method after removing the etching pattern, forming a metal plated layer on the front surface of the substrate on which the front metal layer is formed, polishing a lower surface of the substrate by using at least one of a mechanical polishing method and a chemical polishing method until the front metal layer is exposed, forming a rear metal layer on the polished substrate, and removing each component by using at least one of a dry etching method and a wet etching method. | 03-10-2011 |
20100261276 | Method For The Preparation Of Dermal Papilla Tissue Employing Mesenchymal Stem Cells - A method for the preparation of dermal papilla tissue comprising the step of culturing mesenchymal stem cells in a medium having a specific composition is provided. The method makes it possible to form in vitro a quantity of dermal papilla tissues having hair follicle inducting ability and, accordingly, it can be effectively used for the treatment of alopecia through cell transplantation. | 10-14-2010 |
20100090918 | BROADBAND CIRCULARLY-POLARIZED SPIDRON FRACTAL ANTENNA - A broadband circularly-polarized spidron fractal antenna is disclosed. The broadband antenna of the present invention can realize a bandwidth exceeding 70% without using a multilayer substrate to implement the broadband properties, by forming a geometric structure of a slot, i.e., a spidron fractal, which has not been used in the conventional antennas, on the ground surface of the antenna. The present invention can also induce the radiation properties of a circularly-polarized wave from the properties of the spidron fractal shape, without employing an additional secondary circuit such as a phase distribution circuit for implementing the circularly-polarized wave. Due to such properties described above, the present invention can implement a small broadband circularly-polarized antenna that costs less to manufacture. | 04-15-2010 |