Sungkyunkwan University Foundation for Corporate Collaboration Patent applications |
Patent application number | Title | Published |
20160134130 | APPARATUS AND METHOD FOR HIGH EFFICIENCY VARIABLE POWER TRANSMISSION - A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA. | 05-12-2016 |
20150191356 | METHOD OF MANUFACTURING DEFORMATION-CAPABLE GRAPHENE SHEET, DEFORMATION-CAPABLE GRAPHENE SHEET, AND DEVICE USING THE SAME - A graphene sheet and a method of manufacturing the graphene sheet are provided. The method includes: growing a graphene sheet on a graphene growth support by applying carbon sources and heat to the graphene growth support, the graphene growth support including a carbonization catalyst; and forming at least one ripple on the graphene sheet by cooling at least one of the graphene growth support and the graphene sheet, wherein the graphene growth support and the graphene sheet have different thermal expansion coefficients. | 07-09-2015 |
20150131371 | MAGNETIC RESISTANCE STRUCTURE, METHOD OF MANUFACTURING THE MAGNETIC RESISTANCE STRUCTURE, AND ELECTRONIC DEVICE INCLUDING THE MAGNETIC RESISTANCE STRUCTURE - Provided are a magnetic resistance structure, a method of manufacturing the magnetic resistance structure, and an electronic device including the magnetic resistance structure. The method of manufacturing the magnetic resistance structure includes forming a hexagonal boron nitride layer, forming a graphene layer on the boron nitride layer, forming a first magnetic material layer between the boron nitride layer and the graphene layer according to an intercalation process; and forming a second magnetic material layer on the graphene layer. | 05-14-2015 |
20150061161 | WIRE STRUCTURE AND SEMICONDUCTOR DEVICE HAVING THE SAME, AND METHOD OF MANUFACTURING THE WIRE STRUCTURE - According to example embodiments, a wire structure includes a first wire that includes a first wire core and a first carbon shell surrounding the first wire core, and a second wire that extends in a longitudinal direction from the first wire. The first wire core has a wire shape. The first carbon shell contains carbon. | 03-05-2015 |
20150014630 | TUNNELING DEVICES AND METHODS OF MANUFACTURING THE SAME - A tunneling device may include a tunnel barrier layer, a first material layer including a first conductivity type two-dimensional material on a first surface of the tunnel barrier layer and a second material layer including a second conductivity type two-dimensional material on a second surface of the tunnel barrier layer. The tunneling device may use a tunneling current through the tunnel barrier layer between the first material layer and the second material layer. | 01-15-2015 |
20140375236 | METHODS AND APPARATUSES FOR CONTROLLING TORQUES OF PERMANENT MAGNET SYNCHRONOUS MOTORS - A method of controlling torque of a permanent magnet synchronous motor (PMSM) by using a speed-torque lookup table may include: receiving a current direct-current (DC) link voltage of an inverter configured to drive the PMSM and a speed of a rotor of the PMSM; calculating a change ratio of a DC link voltage based on the current DC link voltage and a DC link voltage at a time when the speed-torque lookup table is generated; calculating a normalized speed of the rotor according to a change in the DC link voltage by using the speed of the rotor and the change ratio of the DC link voltage; and/or transferring the normalized speed of the rotor as an input to the speed-torque lookup table. | 12-25-2014 |
20140356857 | INTERPARTICLE SPACING MATERIAL INCLUDING NUCLEIC ACID STRUCTURES AND USE THEREOF - Provided is an interparticle spacing material comprising a nucleic acid structure which comprises at least one nucleic acid lattice comprising a double helix domain; and at least one metal particle which is in contact with a plane of the nucleic acid lattice, in a direction extending obliquely or perpendicularly away from the plane; wherein the double helix domain comprises a hybridization area in which a single strand is hybridized with another single strand. | 12-04-2014 |
20140287244 | SUBSTRATE ASSEMBLY, METHOD OF FORMING THE SAME, AND ELECTRONIC DEVICE INCLUDING THE SAME - A substrate assembly includes a first hexagonal boron nitride sheet directly bonded to a surface of a substrate, and a metal layer on the first hexagonal boron nitride sheet. | 09-25-2014 |
20140173227 | METHOD AND APPARATUS FOR MANAGING MEMORY IN VIRTUAL MACHINE ENVIRONMENT - A method and apparatus for managing a memory in a portable terminal including a main memory, a secondary memory, and a plurality virtual machines allocated by partitioning the main memory are provided. The method includes generating, by the virtual machines, monitoring information by monitoring access to the main memory and the secondary memory and swapping out with respect to the secondary memory; determining memory allocation amounts for each of the virtual machines by using the monitoring information; and allocating the main memory to the virtual machines in a partitioning scheme based on the determined memory allocation amounts. | 06-19-2014 |
20140060210 | PRESSURE SENSOR AND PRESSURE SENSING METHOD - A pressure sensor and a pressure sensing method are provided. The pressure sensor includes a substrate; a sensor thin film transistor (TFT) disposed on the substrate and including a gate insulating layer, wherein the gate insulating layer includes an organic matrix in which piezoelectric inorganic nano-particles are dispersed; a power unit configured to apply an alternating current (AC) signal to a gate of the sensor TFT; and a pressure sensing unit configured to obtain a remnant polarization value based on a drain current which is generated in response to the AC signal and detected by the sensor TFT, and to sense a pressure based on the remnant polarization value. | 03-06-2014 |
20140051212 | METHOD OF FABRICATING A PACKAGE SUBSTRATE - A method of fabricating a package substrate, includes forming a cavity in at least one region of an upper surface of a wafer, the cavity including a chip mounting region, forming a through-hole penetrating through the wafer and a via filling the through-hole, forming a first wiring layer and a second wiring layer spaced apart from the first wiring layer, which are extended into the cavity, and mounting a chip in the cavity to be connected to the first wiring layer and the second wiring layer. | 02-20-2014 |
20140029164 | ELECTRODE STRUCTURE, METHOD OF MANUFACTURING THE SAME, AND ENERGY STORAGE DEVICE HAVING THE SAME - The electrode structure includes: a textile-type conductive substrate; a first layer which is disposed on the textile-type conductive substrate and includes a plurality of one-dimensional nanostructures; and a second layer which is formed on the first layer and includes a graphene material. | 01-30-2014 |
20130321983 | NANO-POROUS ELECTRODE FOR SUPER CAPACITOR AND MANUFACTURING METHOD THEREOF - The present invention relates to a nano-porous electrode for a super capacitor and a manufacturing method thereof, and more specifically, to a nano-porous electrode for a super capacitor and a manufacturing method thereof wherein pores are formed on the surface or inside an electrode using an electrodeposition method accompanied by hydrogen generation, thereby increasing the specific surface area of the electrode and thus improving the charging and discharging capacity, energy density, output density, and the like of a capacitor. The method for manufacturing a nano-porous electrode for a super capacitor according to the present invention manufactures a nano-porous electrode using hydrogen generated by the electrodeposition as a template to minimize the amount of metal used, so that electrode manufacturing costs can be sharply reduced, the specific surface area of the electrode can be adjusted by a simple process, and also the charging and discharging capacity, energy density, output density, and the like of a capacitor can be improved by increasing the specific surface area. | 12-05-2013 |
20130316661 | TRANSCEIVER USING TECHNIQUE FOR IMPROVEMENT OF PHASE NOISE AND SWITCHING OF PHASE LOCK LOOP (PLL) - A transceiver may include a reception (Rx) radio frequency (RF) part configured to process a received signal, a transmission (Tx) RF part configured to process a transmitted signal, and a phase lock loop (PLL) configured to provide a reception frequency to the reception RF part and provide a transmission frequency to the transmission RF part. The PLL may be controlled according to whether the reception RF part or the transmission RF part is on. In addition, a transceiver may include quenching waveform generator (QWGs) to control quenching waveforms of the RF parts corresponding to a plurality of antennas. The quenching waveforms may be generated respectively by VCOs operating at a same frequency. The QWGs may control the VCOs such that the quenching waveforms do not overlap. | 11-28-2013 |
20130309762 | PHOTOBIOREACTOR MADE OF A TRANSPARENT FILM - The present invention relates to a photobioreactor, and more particularly, a photobioreactor for culturing living organisms such as microalgae, which carry out photosynthesis using carbon dioxide and light energy. The photobioreactor includes: (a) a reaction vessel, in which photosynthesis occurs by photosynthetic organisms; (b) a multipurpose inlet/outlet formed at the outside upper end of the reaction vessel; (c) an outer pipe connected to the multipurpose inlet/outlet at the outside of the reaction vessel; and (d) an inner pipe connected to the multipurpose inlet/outlet at the inside of the reaction vessel, wherein the reaction vessel is made of a transparent film. | 11-21-2013 |
20130273657 | NUCLEIC ACID MOLECULES INDUCING RNA INTERFERENCE, AND USES THEREOF - The present invention relates to an RNAi-inducing nucleic acid molecule having a new structure and the use thereof, and more particularly to a novel nucleic acid molecule having a structure comprising a first strand, which is 24-121 nt in length and comprises a region complementary to a target nucleic acid, and a second strand which is 13-21 nt in length and has a region that binds complementarily to the region of the first strand, which is complementary to the target nucleic acid, so that the nucleic acid molecule inhibits the expression of a target gene with increased efficiency, and to a method of inhibiting the expression of a target gene using the nucleic acid molecule. The nucleic acid molecule structure of the present invention increases the efficiency with which the nucleic acid molecule inhibits the target gene. Alternatively, the nucleic acid molecule of the present invention can either increase the ability of the siRNA to bind to the target gene or cause synergistic cleavage, by introduction of antisense DNA, antisense RNA, ribozyme or DNAzyme, thereby increasing the efficiency with which the nucleic acid molecule inhibits the target gene. In addition, when the nucleic acid molecule according to the present invention is used, the efficiency with which the target gene is inhibited can be maintained for an extended period of time. Accordingly, the RNAi-inducing nucleic acid molecule of the present invention can be effectively used for the treatment of cancer or viral infection in place of conventional siRNA molecules. | 10-17-2013 |
20130271222 | APPARATUS AND METHOD FOR BALANCED POWER AMPLIFICATION - An apparatus and a method for balanced power amplification are provided. An amplifier includes a splitter configured to split an input signal into a first input signal and a second input signal that include a 90° phase difference. The amplifier further includes a first power amplifier (PA) configured to amplify the first input signal to generate a first output signal. The amplifier further includes a second PA configured to amplify the second input signal to generate a second output signal. The amplifier further includes a combiner configured to combine the first output signal and the second output signal that include the 90° phase difference to generate an output signal. | 10-17-2013 |
20130201740 | MAXIMUM POWER POINT TRACKER, POWER CONVERSION CONTROLLER, POWER CONVERSION DEVICE HAVING INSULATING STRUCTURE, AND METHOD FOR TRACKING MAXIMUM POWER POINT THEREOF - Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage. | 08-08-2013 |
20130188713 | BI-PREDICTION CODING METHOD AND APPARATUS, BI-PREDICTION DECODING METHOD AND APPARATUS, AND RECORDING MEDIUM - The present invention relates to a method and an apparatus of bi-prediction coding, a method and an apparatus of bi-prediction decoding and a recording medium. In accordance with the present invention, there is provided a method and an apparatus of bi-prediction coding, a method and an apparatus of bi-prediction decoding and a recording medium capable of solving a problem of complexity in implementing the bi-prediction coding of image compression and improving the coding efficiency by more efficiently transmitting a motion vector based on a fact that the movement is linearly generated. | 07-25-2013 |
20130187097 | METHOD FOR PRODUCING GRAPHENE AT A LOW TEMPERATURE, METHOD FOR DIRECT TRANSFER OF GRAPHENE USING SAME, AND GRAPHENE SHEET - The present invention relates to a method for forming graphene at a low temperature, to a method for direct transfer of graphene using same, and to a graphene sheet. The method for forming graphene at a low temperature comprises supplying a carbon-source-containing gas to a metal catalyst layer for graphene growth formed on a substrate, and forming graphene at a low temperature of 500° C. or less by means of inductively coupled plasma-chemical vapor deposition (ICP-CVD). | 07-25-2013 |
20130137212 | METHOD OF MANUFACTURING AN ORGANIC THIN FILM TRANSISTOR - There is provided a method of manufacturing an organic thin film transistor. The method includes forming a plurality of barrier ribs on an insulating substrate and forming a plurality of grooves partitioned by the barrier ribs. The method further includes forming a source electrode, a drain electrode, and a gate electrode on the grooves, respectively. The method also includes forming an opening by etching the barrier ribs between the source electrode and the gate electrode and between the gate electrode and the drain electrode. The method further includes forming a gate insulating film on the opening; and forming an organic semiconductor layer on the gate insulating film. | 05-30-2013 |
20130130377 | NOVEL SIRNA STRUCTURE FOR MINIMIZING OFF-TARGET EFFECTS CAUSED BY ANTISENSE STRANDS, AND USE THEREOF - The present invention relates to a novel siRNA structure and the use thereof, and more particularly to a double-stranded siRNA molecule comprising an antisense strand and a sense strand, wherein the siRNA molecule has at least one single nucleotide bulge formed by introducing a single nucleotide into the antisense strand, particularly at position 2 from the 5′ end, and to a method of using the same to silence a target gene. The siRNA molecule of the invention shows high target gene silencing efficiency while minimizing off-target effects caused by the antisense strand, and thus has improved target selectivity. Accordingly, the siRNA molecule of the invention can be substituted for conventional siRNA molecules and can be widely be used in siRNA-based gene silencing techniques, including gene therapy. | 05-23-2013 |
20130089703 | SOLDER RESIST COMPOSITION, BOARD FOR PACKAGE COMPRISING SOLDER RESIST OPENING USING THE COMPOSITION, AND METHOD FOR PREPARING THE BOARD FOR PACKAGE - The present invention relates to a solder resist composition including: 1 to 10 parts by weight of a triazene curing agent; 1 to 10 parts by weight of a curing accelerator; and 10 to 50 parts by weight of a diluent, with respect to 100 parts by weight of an epoxy base, a board for a package comprising a solder resist opening using the same, and a method for preparing the board for a package. | 04-11-2013 |
20130068521 | ELECTROMAGNETIC SHIELDING METHOD USING GRAPHENE AND ELECTROMAGNETIC SHIEDLING MATERIAL - The present application relates to a method for shielding electromagnetic waves by using graphene inside or outside an electromagnetic wave generating source and/or by using graphene formed on a substrate, and an electromagnetic shielding material including the graphene. | 03-21-2013 |
20120327794 | METHOD AND APPARATUS FOR CONFIGURING TRANSMIT POWER OF RELAY NODE - A method and an apparatus for configuring transmit power of a relay node in consideration of a backhaul link channel state are provided. The method includes receiving a backhaul downlink signal, measuring a channel state of the backhaul downlink signal, and configuring access downlink transmit power using the measured channel state. The relay node transmit power control method of the present invention is advantageous in that a User Equipment (UE) can perform cell selection in consideration of the backhaul link channel state without extra signaling of the backhaul link channel state. | 12-27-2012 |
20120327342 | OPTICAL COMPENSATION FILM AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A compensation film for a liquid crystal film includes a first layer including splayed rod-shaped nematic liquid crystal material and a second layer disposed on a surface of the first layer and including at least one of a biaxial layer and an A-plate. | 12-27-2012 |
20120266959 | SEMICONDUCTOR ELECTRODE FOR DYE-SENSITIZED SOLAR CELL, METHOD OF MANUFACTURING THE SAME, AND DYE-SENSITIZED SOLAR CELL HAVING THE SAME - A semiconductor electrode for a dye-sensitized solar cell, a method of manufacturing the semiconductor electrode, and a dye-sensitized solar cell having the semiconductor electrode are provided which can prevent electrons from being transported to an electrolyte from the surface of the semiconductor electrode to raise photocurrent and photovoltage and to improve an energy conversion efficiency by forming a semiconductor oxide layer on a conductive substrate, forming an organic layer in a core-shell structure thereon, and adsorbing a dye on the organic layer through the use of an electrostatic attraction. | 10-25-2012 |
20120266172 | APPARATUS AND METHOD FOR CONTROLLING A VIRTUAL MACHINE - The present disclosure relates to an apparatus for controlling a virtual machine in a device. The apparatus comprises a virtualization requesting part and a controlling part. The virtualization requesting part is configured to transmit a first instruction word for controlling the virtual machine to an independent virtualization apparatus. The controlling part is configured to execute an operation corresponding to a second instruction word received from the virtualization apparatus. | 10-18-2012 |
20120235507 | APPARATUS AND METHOD FOR HIGH EFFICIENCY VARIABLE POWER TRANSMISSION - A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA. | 09-20-2012 |
20120226642 | METHOD AND APPARATUS FOR CONSIDERING MULTI-USER PREFERENCE BASED ON MULTI-USER-CRITERIA GROUP - A method and apparatus for decision making considering a multi-user preference based on a multi-user-criterion group are provided. The method includes determining user information using ontology, determining an appointed area and an appointed category based on the user information, determining appointed candidate places belonging to the appointed area and appointed category, and determining a final appointed place among the appointed candidate places based on a user preference. | 09-06-2012 |
20120182925 | SCHEDULING APPARATUS AND METHOD, USER EQUIPMENT, AND RELAY-BASED MOBILE COMMUNICATION SYSTEM - Provided are a scheduling apparatus and method, an user equipment, and a relay-based mobile communication system. The scheduling apparatus receives information on a channel state of the access zone from the eNB UE separately from the information on the channel state of the relay zone, performs scheduling for the eNB UE in a subsequent relay zone temporally following the relay zone on the basis of the information on the channel state of the relay zone, and performs scheduling for the eNB UE in a subsequent access zone temporally following the access zone on the basis of the information on the channel state of the access zone. | 07-19-2012 |
20120176712 | METHOD AND DEVICE FOR RECLOSING CONTROL USING A HARMONIC RATIO - The reclosing control device configured to perform a reclosing control in case of a fault in a transmission line. Further, the reclosing control device includes a voltage detection unit configured to detect a faulted phase voltage waveform and extract a harmonic component contained in the faulted phase voltage waveform; a HR calculating unit configured to calculate ratio values between even harmonics and odd harmonics based on the extracted harmonic component; and a reclosing control unit configured to determine whether or not an arc is finally extinguished based on the calculated ratio value and perform a reclosing control depending on a result of the determination. | 07-12-2012 |
20120163049 | APPARATUS FOR COLLECTING WIRELESS ENERGY AND WIRELESS ELECTRONIC LABEL EMPLOYING THE APPARATUS - An apparatus for collecting wireless is provided. The apparatus includes an antenna and a collection circuit. The antenna generates an alternating current (AC) voltage from a radio wave. The collection circuit generates a direct current (DC) voltage corresponding to the AC voltage, determines whether the DC voltage is lower than a preset value, and changes an internal impedance of the collection circuit if it is determined that the DC voltage is lower than the preset voltage. | 06-28-2012 |
20120142013 | NUCLEIC ACID APTAMER CAPABLE OF BINDING SPECIFICALLY TO PANCREATIC CANCER CELLS OR TISSUES AND USE THEREOF - The present invention relates to a nucleic acid aptamer which can specifically recognize and bind to pancreatic cancer cells or tissues. The nucleic acid aptamer can bind specifically only to pancreatic cancer cells or tissues without binding to normal pancreatic cancer tissue, and thus can be effectively used as a composition for diagnosing and treating pancreatic cancer. In addition, the nucleic acid aptamer can detect not only the terminal pancreatic cancer cell line Capan-1, but also the early pancreatic cancer cell line Panc-1, and thus can be used for early diagnosis of pancreatic cancer, thereby contributing to increasing the survival rate of pancreatic cancer patients. | 06-07-2012 |
20120128983 | MULTI-LAYERED GRAPHENE SHEET AND METHOD OF FABRICATING THE SAME - A method of fabricating multi-layered graphene includes disposing a first graphene layer on a carrier; disposing at least one second graphene layer on the first graphene layer to form a graphene sheet disposed on the carrier; and transferring the graphene sheet disposed on the carrier onto a substrate, wherein each of the graphene layers which constitute the graphene sheet has at least one damaged region, and the at least one damaged region of each of the graphene layers contacts at least one of non-damaged regions of a graphene layer or graphene layers, of the graphene layers, contacting the each of the graphene layers. | 05-24-2012 |
20120120822 | APPARATUS AND METHOD FOR HANDOVER USING RECEIVED SIGNAL STRENGTH AND RADIAL VELOCITY IN TERMINAL - Provided is a handover apparatus and method for a terminal based on a received signal strength (RSS) and a radial velocity. The handover method may measure an RSS from a currently accessed base station and RSSs from candidate base stations for handover, may measure a radial velocity with respect to the currently accessed base station and radial velocities with respect to the candidate base stations for handover, and may perform a handover by determining a base station for handover based on the measured RSSs and the measured radial velocities when the RSS from the currently accessed base station is less than or equal to a reference RSS. | 05-17-2012 |
20120115498 | APPARATUS AND METHOD FOR CLUSTER BASED OPPORTUNISTIC POWER CONTROL IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for a cluster-based power control at a macro base station in a wireless communication system are provided. The method includes broadcasting an interference allowance value determined based on a predefined aggregate interference to a femto cell, updating the interference allowance value with consideration of a channel activity for each femto cell group on a cluster basis, and when detecting a change in an aggregate interference generated due to femto cell power allocation, repeating determination of an interference allowance value so that a Quality of Service (QoS) of a macro cell user is met, and broadcasting the interference allowance value to a femto cell. | 05-10-2012 |
20120063529 | INTER-CELL INTERFERENCE MITIGATION METHOD USING SPATIAL COVARIANCE MATRIX ESTIMATION METHOD FOR INTER-CELL INTERFERENCE MITIGATION OF MIMO ANTENNA OFDM SYSTEM - Disclosed is an inter-cell interference mitigation method using a spatial covariance matrix (SCM) estimation method in a multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system for mitigating interference between asynchronous cells. The inter-cell interference mitigation method includes extracting a reference symbol (RS) of a received OFDM symbol and performing channel estimation, estimating an initial SCM using the RS signal and the channel estimation result, applying time-domain sinc type weighting to the initial SCM and applying an SCM, and demodulating a data symbol with mitigated inter-cell interference using the channel estimation result and the estimated SCM. By applying time-domain sinc type weighting to SCM estimation, it is possible to reduce an SCM estimation error occurring due to a spectral leakage induced by an abrupt change in a signal at a border point between an effective sub carrier zone and a guard band zone, and a simple design of a moving average filter form for a frequency domain signal can be made instead of frequency-time-frequency domain transformation using an inverse fast Fourier transform (IFFT) and fast Fourier transfer (FFT). | 03-15-2012 |
20120046217 | TNF-alpha Antagonists Containing IGFBP5 - The present invention relates to: TNF-α antagonists containing IGFBP5 protein, variants thereof, or fragments thereof; and the use of the TNF-α antagonists. More specifically, the present invention relates to: a polynucleotide encoding the protein, variants thereof, or fragments thereof; a vector containing the polynucleotide; a transformant containing the vector; and a method for screening a therapeutic agent for TNF-α overexpression-related diseases by checking whether the mutual reaction thereof is facilitated after treating with candidates to the cell expressing the IGFBP5 protein, variants thereof, or fragments thereof, and the TNER1. | 02-23-2012 |
20120032656 | VOLTAGE REGULATOR FOR IMPEDANCE MATCHING AND PRE-EMPHASIS, METHOD OF REGULATING VOLTAGE FOR IMPEDANCE MATCHING AND PRE-EMPHASIS, VOLTAGE MODE DRIVER INCLUDING THE VOLTAGE REGULATOR, AND VOLTAGE-MODE DRIVER USING THE METHOD - Disclosed herein are a voltage regulator for impedance matching and pre-emphasis, a method of regulating voltage for impedance matching and pre-emphasis, and a voltage mode driver using the voltage regulator and the method. The voltage regulator includes a first loop circuit configured to regulate a supply voltage for a pre-driver of a main tap, a second loop circuit configured to regulate a supply voltage for a pre-driver of a pre-emphasis tap, and a driver voltage determination unit configured to include a reference resistor and to determine supply voltage for the voltage mode driver. The first loop circuit includes a variable resistor, a first main tap replica, and a first OP amp, and the second loop circuit includes a resistor having a resistance value identical to that of the reference resistor of the voltage regulator, a second main tap replica, a pre-emphasis tap replica, and a second OP amp. | 02-09-2012 |
20120028267 | METHOD FOR INCREASING SENSITIVITY USING LINKER AND SPACER IN CARBON NANOTUBE-BASED BIOSENSOR - Disclosed is a method of detecting even a very small amount of a target substance by mixing a linker and a spacer at a suitable ratio and immobilizing the mixture on the surface of carbon nanotubes in a carbon nanotube-based biosensor. This method detects a specific substance at the level of femtomoles and lowers the detection limit of conventional carbon nanotube transistor sensors. Accordingly, the method detects even a very small amount of a target substance, and thus the carbon nanotube-based biosensor is a highly useful sensor which can be used either as a medical sensor for diagnosing diseases or as an environmental sensor. | 02-02-2012 |
20110316059 | FLEXIBLE FERROELECTRIC MEMORY DEVICE AND MANUFACTURING METHOD FOR THE SAME - The present disclosure relates to a flexible nonvolatile ferroelectric memory device, a 1T-1R (1Transistor-1Resistor) flexible ferroelectric memory device, and a manufacturing method for the same. | 12-29-2011 |
20110309684 | APPARATUS AND METHOD FOR THE ANTI-ISLANDING OF POWER CONDITIONING SYSTEM - There is provided an apparatus for the anti-islanding of a power conditioning system. The apparatus for the anti-islanding of a power conditioning system according to the present invention is applied to a power conditioning system including a DC/DC converter and a DC/AC inverter in order to transfer power from a solar cell array to a grid. The apparatus for the anti-islanding of a power conditioning system may include an injection signal generator generating an injection signal, an adder generating a final fundamental wave command value, a main controller performing the power control according to the final fundamental wave command value and stopping the operation of the power conditioning system when the level of the detected injection signal has reached the predetermined reference level or more, and an injection signal detector detecting the injection signal included in voltage and providing them to the main controller. | 12-22-2011 |
20110300817 | APPARATUS AND METHOD FOR REMOVING TRANSMISSION LEAKAGE SIGNAL - An apparatus and method for removing a transmission leakage signal from a radio frequency identification (RFID) reader are provided. The apparatus includes a removing unit having a device of a large impedance and a phase shifter capable of a wide range phase change with respect to a leakage signal, thereby optimally removing the transmission leakage signal irrespective of a change in the frequency characteristics and a change in the length of a cable. | 12-08-2011 |
20110285999 | SURFACE PLASMON RESONANCE SENSOR USING METALLIC GRAPHENE, REPARING METHOD OF THE SAME, AND SURFACE PLASMON RESONANCE SENSOR SYSTEM - There is provided a surface plasmon resonance sensor including a metallic graphene layer formed in a core of a predetermined area of an optical fiber from which a jacket and a cladding are removed. Further, a preparing method of the surface plasmon resonance sensor and a surface plasmon resonance sensor system is also provided. | 11-24-2011 |
20110274219 | Apparatus for Estimating Frequency Offset in OFDM System - Provided is an apparatus for estimating a frequency offset by one training symbol including two symbols having the same structure and value in an OFDM system. The apparatus includes a first likelihood function calculator for modeling non-Gaussian impulsive noise included in the training symbol to a Cauchy probability density function in which a characteristic exponent of a BISαS probability density function is 1, and calculating a likelihood function of a Cauchy distribution using the Cauchy probability density function, and a first frequency offset estimator for estimating an effective frequency offset value in which the likelihood function of the Cauchy distribution of the first likelihood function calculator becomes highest as a frequency offset estimation value. Thereby, it is possible to improve the performance of frequency offset estimation in non-Gaussian impulsive noise environments. | 11-10-2011 |
20110273274 | TRANSCEIVER WHICH REMOVES PHASE NOISE - A transceiver is provided. The transceiver includes a transmission portion which generates a transmission signal; an antenna which transmits the transmission signal and receives a reception signal; a signal division element which receives the transmission signal from the transmission portion and inputs the received transmission signal to the antenna for transmission, and receives the reception signal received by the antenna; an extraction signal adjusting portion which extracts the transmission signal from the signal division element, and adjusts a phase of the extracted signal to generate an output signal; and a receiving portion which receives the reception signal from the signal division element, and applies the output signal from the extraction signal adjusting portion to the reception signal. | 11-10-2011 |
20110258670 | METHOD AND APPARATUS FOR VIDEO TRANSMISSION IN COMMUNICATION SYSTEM FOR SUPPORTING INTERNET PROTOCOL TELEVISION SERVICE BETWEEN HETEROGENEOUS NETWORKS - An apparatus and method provide effective video transmission in a communication system that supports an Internet Protocol Television (IPTV) service between heterogeneous networks. A request for a contiguous service is received from a terminal during a mid-point of a video stream. A delay time that may be generated when the video contents are transmitted is estimated for each of a patching type and a fast broadcasting type. A transmission type with a shorter delay time for the video contents is determined based on the estimated delay time for each of the patching type and the fast broadcasting type. And the video contents are transmitted to the terminal by applying the determined transmission type. | 10-20-2011 |
20110255307 | APPARATUS AND METHOD FOR CONTROLING POWER QUALITY OF POWER GENERATION SYSTEM - There are provided an apparatus and a method for controlling the power quality of a power generation system. According to the present invention, there is provided an apparatus for controlling the power quality of a power generation system including a DC/AC inverter converting DC voltage into AC voltage and supplying inverter current to a grid, including: a grid voltage phase follower generating a grid signal; a fundamental extractor extracting a magnitude of a fundamental wave of a load current introduced into a non-linear load connected between the DC/AC inverter and the grid; a first calculator subtracting a preset current compensation value from the magnitude of the fundamental wave from the fundamental extractor; and a second calculator generating an inverter current instruction value for the DC/AC inverter by using the output value of the first calculator and the grid signal and the load current from the grid voltage phase follower. | 10-20-2011 |
20110248867 | METHOD AND APPARATUS FOR PROVIDING TRAFFIC INFORMATION SERVICE USING A MOBILE COMMUNICATION SYSTEM - A method and apparatus for providing a traffic information service using a mobile communication terminal are provided. A method of a mobile communication terminal for a traffic information service is provided. The method includes constructing a cluster with at least one neighboring Mobile Station (MS), receiving traffic information from the at least one neighboring MS comprised in the cluster, measuring traffic information using location information of the MS, and transmitting a traffic information message comprising the collected traffic information to a traffic information provision server. | 10-13-2011 |
20110248408 | Package substrate and fabricating method thereof - There are provided a package substrate and a method fabricating thereof. The package substrate includes: a wafer having a cavity formed in an upper surface thereof, the cavity including a chip mounting region; a first wiring layer and a second wiring layer formed to be spaced apart from the first wiring layer, which are formed to be extended in the cavity; a chip positioned in the chip mounting region to be connected to the first wiring layer and the second wiring layer; a through-hole penetrating through the wafer and a via filled in the through-hole; and at least one electronic device connected to the via. Accordingly, a package substrate capable of having a passive device having a predetermined capacity embedded therein, while reducing a pattern size and increasing a component mounting density, and a method fabricating thereof may be provided. | 10-13-2011 |
20110242857 | MAXIMUM POWER POINT TRACKER, POWER CONVERSION CONTROLLER, POWER CONVERSION DEVICE HAVING INSULATING STRUCTURE, AND METHOD FOR TRACKING MAXIMUM POWER POINT THEREOF - Disclosed are a maximum power point tracker, a power conversion controller, a power conversion device having an insulating structure, and a method for tracking maximum power point. The power conversion device includes: a DC/AC converter including a primary DC chopper unit having a primary switch, a transformer, and an AC/AC conversion unit including a secondary switch; a current detector detecting current from an input stage of the DC/AC converter and providing a detected current value; a voltage detector detecting a system voltage from an output stage of the DC/AC converter; and a power conversion controller generating a primary PWM signal to be provided to the primary DC chopper unit and secondary first and second PWM signals, having the mutually opposing phases, to be provided to the AC/AC conversion unit by using the detected current value and the system voltage. | 10-06-2011 |
20110235184 | Anti-reflection structure using surface plasmon and high-K dielectric material and method of manufacturing the anti-reflection structure - Provided are an anti-reflection structure using surface plasmons and a high-k dielectric material, and a method of manufacturing the anti-reflection structure. The anti-reflection structure may include a high-k dielectric layer formed on a substrate, the high-k dielectric layer configured to allow incident light to pass therethrough, and a nano-material layer on the high-k dielectric layer. The high-k dielectric layer may include at least one of zirconium oxide (ZrO | 09-29-2011 |
20110217376 | POLY(AMIDOAMINE) OLIGOMER HYDROGEL FOR DRUG DELIVERY AND DRUG CARRIER USING THE SAME - Disclosed is a temperature- and pH-sensitive hydrogel composed of a poly(amidoamine) oligomer only. The hydrogel is prepared in a simple manner and is readily released from the body. Further disclosed are a method for preparing the hydrogel and a drug carrier using the hydrogel. | 09-08-2011 |
20110213151 | CINCHONA-BASED BIFUNCTIONAL ORGANOCATALYSTS AND METHOD FOR PREPARING CHIRAL HEMIESTERS USING THE SAME - The present invention relates to cinchona-based bifunctional organocatalysts and methods for preparing chiral hemiesters using the same. More specifically, the present invention relates to methods for preparing chiral hemiesters from prochiral or meso cyclic acid anhydrides via desymmetrization, using bifunctional cinchona alkaloid catalysts comprising sulfonamide functional groups. | 09-01-2011 |
20110206012 | HANDOVER METHOD AND APPARATUS FOR PROVIDING MOBILE IPTV SERVICE OVER HETEROGENEOUS WIRELESS COMMUNICATION NETWORKS - Disclosed herein is a handover method and apparatus for providing mobile Internet Protocol Television (IPTV) service over wireless communication networks. The handover method includes checking whether the strength of a signal received from a first base station of a serving first wireless network falls within a predetermined first threshold range; if the strength of the signal falls within the range, checking whether the strength of a signal received from at least one base station of a second wireless network is higher than a second threshold value required for handover; estimating the velocity and direction of a Mobile Node (MN) using location information received from a satellite; predicting a handover target base station using the estimated velocity and estimated location information; and, if the predicted target base station is one of base stations having the second threshold value, performing handover to the target base station. | 08-25-2011 |
20110199433 | DISCHARGING NOZZLE AND ELECTROSTATIC FIELD INDUCTION INK-JET NOZZLE - A nozzle and an electrostatic field induction ink-jet nozzle are disclosed. In accordance with an embodiment of the present invention, the nozzle includes a concave part, which is formed along an outer circumference of the nozzle and in which the outer circumference is adjacent to a liquid discharging surface. The discharging nozzle can minimize the overflow and damping by a liquid during a process of discharging the liquid and thus maintain the discharging performance constant despite an extended operation of the nozzle. | 08-18-2011 |
20110195207 | GRAPHENE ROLL-TO-ROLL COATING APPARATUS AND GRAPHENE ROLL-TO-ROLL COATING METHOD USING THE SAME - There are provided a graphene roll-to-roll coating apparatus and a graphene roll-to-roll coating method on the basis of a continuous process. | 08-11-2011 |
20110193677 | BASE STATION, SENSOR NETWORK SYSTEM INCLUDING THE SAME, AND METHOD OF DETERMINING SECURITY THRESHOLD FOR SENSOR NETWORK SYSTEM - The present invention relates to a base station, a sensor network system including the base station, and a method of determining a security threshold for the sensor network system. | 08-11-2011 |
20110192820 | ATOMIC LAYER ETCHING APPARATUS AND ETCHING METHOD USING THE SAME - An atomic layer etching apparatus using reactive radicals and neutral beams and an etching method using the same are provided. The atomic layer etching apparatus includes a reaction chamber including a stage on which a substrate to be etched is seated, a plasma generator including a plasma chamber configured to supply reactive radicals and neutral beams into the reaction chamber and receive a source gas to generate plasma, an inductive coil configured to surround the exterior of the plasma chamber to generate an electric field, a grid assembly disposed at a lower part of the plasma chamber and including first, second and third grids for extracting ion beams, and a reflective body disposed under the grid assembly and configured to supply electrons to the ion beams to convert the ion beams into neutral beams, a shutter installed between the plasma generator and the reactive chamber and configured to adjust supply of the neutral beams into the reaction chamber, a purge gas supply part configured to supply a purge gas into the reaction chamber, and a controller configured to control supply of the source gas, an etching gas and the purge gas, and opening/closing of the shutter. | 08-11-2011 |
20110191367 | APPARATUS AND METHOD FOR MANAGING IMAGES BASED ON USER PREFERENCES - Disclosed herein is an apparatus and method for managing images based on user preferences. The apparatus includes a database for storing images, an image search module for searching the images stored in the database, an image output module for outputting at least one image retrieved by the image search module, a preference input module for, when the retrieved image is output through the image output module, receiving a user preference for the output image from a user, and an image path database for storing a storage path of the image, output through the image output module, based on the user preference received through the user preference input module. The image search module searches images whose storage paths are stored in the image path database or images whose storage paths are not stored in the image path database according to the user's selection. | 08-04-2011 |
20110176583 | WIRELESS COMMUNICATION SYSTEM AND METHOD FOR PERFORMING COMMUNICATION IN THE WIRELESS COMMUNICATION SYSTEM - Provided are a wireless communication system and a method of performing communication in the same. The wireless communication system includes a terminal configured to classify all subcarriers into a first group and a second group and allocate subcarriers of the first group to first symbols and subcarriers of the second group to the first symbols again to generate and transmit a first transmission signal, a base station configured to allocate the subcarriers of the first group to second symbols and the subcarriers of the second group to third symbols to generate and transmit a second transmission signal, and a relay configured to receive the first and second transmission signals and perform maximum likelihood (ML) determination of frequency domain signals of the first and second transmission signals to estimate the first to third symbols. | 07-21-2011 |
20110171427 | METHOD OF MANUFACTURING DEFORMATION-CAPABLE GRAPHENE SHEET, DEFORMATION-CAPABLE GRAPHENE SHEET, AND DEVICE USING THE SAME - A graphene sheet and a method of manufacturing the graphene sheet are provided. The method includes: growing a graphene sheet on a graphene growth support by applying carbon sources and heat to the graphene growth support, the graphene growth support including a carbonization catalyst; and forming at least one ripple on the graphene sheet by cooling at least one of the graphene growth support and the graphene sheet, wherein the graphene growth support and the graphene sheet have different thermal expansion coefficients. | 07-14-2011 |
20110170160 | OPTICAL IMAGE SHUTTER AND METHOD OF MANUFACTURING THE SAME - An optical image shutter having a transparent electro-optical crystal formed on a transparent amorphous substrate and a method of manufacturing the optical image shutter. The light image shutter is created by forming a buffer layer using a material having a similar crystalline structure to an electro-optical crystal, on a transparent amorphous substrate such as glass, and forming an electro-optical thin film layer such as the electro-optical crystal on the buffer layer. | 07-14-2011 |
20110167422 | VIRTUALIZATION APPARATUS - A virtualization apparatus includes one or more guest machines each comprised of a guest kernel and a guest user process, a hypervisor module installed in a host kernel and handling a request of the guest machine with regard to the virtualization apparatus, and a virtual processor supporting the guest machine to serve as a host user process and handling an interrupt and a switching of the guest machine, wherein address spaces of the guest kernel and the guest user process are designed to be separated from each other. | 07-07-2011 |
20110167321 | APPARATUS AND METHOD OF TRANSMITTING AND RECEIVING DATA FOR IMPROVING TRANSMISSION RATE - A data transmitter and receiver for improving a data rate, and more particularly, to an apparatus and method of transmitting and receiving an orthogonal frequency division multiplexing (OFDM) symbol in which a pilot signal is added to a data signal is provided. The apparatus includes a transmitter including: a pilot adder to add a pilot signal to a data signal; and a guard interval inserting unit to insert a guard interval to the data signal with the added pilot signal, and a receiver including: a guard interval removal unit to remove a guard interval in a received time domain signal; a fast Fourier transform (FFT) unit to transform the time domain signal in which the guard interval is removed to a frequency domain signal; a channel estimator to estimate a channel value from the time domain signal in which the guard interval is removed; an equalizer to equalize the frequency domain signal based on the estimated channel value; and a pilot signal removal unit to remove the pilot signal in the equalized frequency domain signal. | 07-07-2011 |
20110150978 | PH-SENSITIVE BLOCK COPOLYMER FORMING POLYIONIC COMPLEX MICELLES AND DRUG OR PROTEIN CARRIER USING THE SAME - Disclosed is a pH-sensitive block copolymer that forms polyionic complex micelles. The block copolymer is prepared by copolymerization of (a) a polyethylene glycol compound, (b) a poly(amino acid) compound, and (c) a heterocyclic alkyl amine compound having the ability to induce the formation of ionic complexes. Further disclosed is a drug or protein carrier using the block copolymer. | 06-23-2011 |
20110147724 | ORGANIC THIN FILM TRANSISTOR AND METHOD OF MANUFACTURING THE SAME - There is provided an organic thin film transistor and a method of manufacturing the same. The organic thin film transistor includes: an insulating substrate on which a plurality of barrier ribs and a plurality of grooves partitioned by the barrier ribs are formed; source and drain electrodes each formed on the grooves spaced apart from each other among the plurality of grooves; a gate electrode formed on the groove between the source and drain electrodes; an opening formed by etching the barrier ribs between the source electrode and the gate electrode and between the gate electrode and the drain electrode; a gate insulating film formed on the opening; and an organic semiconductor layer formed on the gate insulating film. The organic thin film transistor is capable of mass production and has excellent electrical characteristics. | 06-23-2011 |
20110112181 | POLYPHENOL COMPOUNDS WITH MODULATING NEUROTRANSMITTER RELEASE - Disclosed is a composition for modulating the release of a neurotransmitter, which includes naturally extracted polyphenols as an active ingredient. The disclosed composition suppresses the formation of a SNARE complex, thereby modulating the release of a neurotransmitter, and thus can be used as a modulator for a reaction within a cell related to the SNARE complex. Such an inhibitor of the SNARE complex formation can be used as a composition for reducing wrinkles and relieving pain. | 05-12-2011 |
20110108521 | Methods of manufacturing and transferring larger-sized graphene - Example embodiments relate to methods of manufacturing and transferring a larger-sized graphene layer. A method of transferring a larger-sized graphene layer may include forming a graphene layer, a protection layer, and an adhesive layer on a substrate and removing the substrate. The graphene layer may be disposed on a transferring substrate by sliding the graphene layer onto the transferring substrate. | 05-12-2011 |
20110094307 | COMPACT PIPE SPECIMEN - A compact pipe specimen applicable to a fracture toughness test used to evaluate physical properties of a pipe material is provided. The compact pipe specimen includes: a pipe having a notch portion formed in a circumferential direction and a crack portion formed at the edge of the notch portion; and first and second jigs having openings to which a pressurizing unit is coupled so as to cause a bending load on the pipe, having the notch portion therebetween, and attached to the exterior surface of the pipe, respectively. It is unnecessary to correct the influence of a constraint effect due to varying sizes and shapes of the specimen. There is no restriction to the curvature and thickness of a pipe. A fracture behavior of a pipe crack portion can be precisely simulated. | 04-28-2011 |
20110078589 | METHOD OF NETWORKING MULTIPLE CLIENTS - Disclosed herein is a method of networking multiple clients. The method of networking multiple clients includes detecting the colors of the signal lamps of all the clients, transmitting a conference signal to one or more clients, the color of the signal lamps of which is red, providing preset information to the clients which received the conference signal, receiving a conference termination signal from the clients which received the conference signal, providing decision information if the conference termination signal has been received from all of the clients which received the conference signal, changing the color of the signal lamps of the clients which received the conference signal to yellow, and changing the color of the signal lamps to blue if a confirmation signal has been received from all of the clients. | 03-31-2011 |
20110070146 | METHOD OF MANUFACTURING GRAPHENE, GRAPHENE MANUFACTURED BY THE METHOD, CONDUCTIVE FILM COMPRISING THE GRAPHENE, TRANSPARENT ELECTRODE COMPRISING THE GRAPHENE, AND RADIATING OR HEATING DEVICE COMPRISING THE GRAPHENE - Provided are a method of manufacturing graphene, graphene manufactured by the method, a conductive thin film including the graphene, a transparent electrode comprising the graphene, and a radiating or heating device comprising the graphene. The method includes: preparing a graphene member including a base member, a hydrophilic oxide layer formed on the base member, a hydrophobic metal catalyst layer formed on the oxide layer, and graphene grown on the metal catalyst layer; applying water to the graphene member; separating the metal catalyst layer from the oxide layer; and removing the metal catalyst layer using an etching process. | 03-24-2011 |
20110053800 | METHOD OF MANUFACTURING PATTERNED SUBTRATE FOR CULTURING CELLS, PATTERNED SUBTRATE FOR CULTURING CELLS, PATTERNING METHOD OF CULTURING CELLS, AND PATTERNED CELL CHIP - The present invention relates to a method of manufacturing a patterned substrate for culturing cells, comprising the steps of: (1) preparing a substrate; (2) forming a first plasma polymer layer by integrating a first precursor material using a plasma on the substrate; (3) placing a shadow mask having a predetermined pattern on the first plasma polymer layer; and (4) forming a second patterned plasma polymer layer by integrating a second precursor material using a plasma. | 03-03-2011 |
20110049597 | NON-VOLATILE MEMORY DEVICE - A non-volatile memory device including two or more capacitors having different sizes formed in separated regions and operating at a low voltage, the non-volatile memory device including: a conductive semiconductor substrate formed of a first conductive material; a conductive separation layer provided on at least one portion of the first conductive semiconductor substrate and formed of a second conductive material different from the first conductive material, and which separates an inside of the first conductive semiconductor substrate into a first region and a second region; an insulation layer provided on the first region and the second region to contact the first region and the second region; a charge storage layer provided on the insulation layer; a control gate electrically connected to the first region; and a data line electrically connected to the second region. | 03-03-2011 |
20110032650 | Reclosing control system and method using superconducting fault current limiter - The present invention relates to a reclosing control system and method using a superconducting fault current limiter. The reclosing control system includes a superconducting fault current limiting device in which two circuits, each having a switch and a superconducting fault current limiter connected in series with each other, are connected in parallel with each other. A recloser is disposed between the superconducting fault current limiting device and a distribution line and is configured to control reclosing. The distribution line is connected to the recloser and is configured to transfer power to a load. | 02-10-2011 |
20110029069 | Bioactive Material Coating Method And Tube - A method for coating bioactive material and a structured coated with a bioactive material are disclosed. The bioactive material coating method includes: flowing a coating solution, produced as a bioactive material is dissolved in a mixed solvent, inside a structure having a lumen; and coating the bioactive material on at least one of inner and outer surfaces of the structure, with different concentrations. The mixed solvent is mixed with two or more solvents having different features. The occurrence of the strangulation of blood vessels and inflammation can be reduced. An increase in the size of the myofibroblast is not suppressed. The coating solution is produced as a medication is dissolved in a mixed solvent, where the mixed solvent is produced as a polar solvent and a nonpolar solvent are mixed with each other at a certain ratio. | 02-03-2011 |
20110025572 | Y-TYPE HEXAGONAL FERRITE, FABRICATION METHOD THEREOF, AND ANTENNA APPARATUS USING THE SAME - A method of making Y-type hexagonal ferrite and an antenna using the same are provided. Y-type hexagonal ferrite includes a base ferrite composed of iron oxide, barium carbonate and cobalt oxide, and silicate glass ranging from 0.5 to 5 weight percent added to 100 weight percent of base ferrite. An antenna apparatus includes a magnetic carrier and an antenna pattern formed thereon. The magnetic carrier is formed of such Y-type hexagonal ferrite, and the antenna pattern resonates in a specific frequency band when electric power is supplied. To fabricate the Y-type hexagonal ferrite, a calcination process is performed in which iron oxide, barium carbonate and cobalt oxide are combined into base ferrite at a given calcination temperature after being mixed. A sintering process is performed to sinter the base ferrite and the silicate glass at a given sintering temperature which is lower than the calcination temperature after adding the silicate glass to the base ferrite. | 02-03-2011 |
20100329511 | Apparatus and method for detecting hands of subject in real time - An apparatus and method can effectively detect both hands and hand shape of a user from images input through cameras. A skin image detecting skin regions from one of the input images and a stereoscopic distance image are used. For hand detection, background and noise are eliminated from a combined image of the skin image and the distance image and regions corresponding to actual both hands are detected from effective images having a high probability of hands. For hand shape detection, a non-skin region is eliminated from the skin image based on the stereoscopic distance information, hand shape candidate regions are detected from the remaining region after elimination, and finally a hand shape is determined. | 12-30-2010 |
20100327990 | APPARATUS FOR REMOVING LEAKAGE SIGNAL - An apparatus for removing a leakage signal includes a coupler including a transmission port through which a transmission signal is input, an antenna port through which the transmission signal is output to an antenna and a receiving signal is input from the antenna, and a receiving port through which the receiving signal is output; and a removing unit which outputs, to the receiving port, a leakage removing signal having a same magnitude as one of or a sum of a magnitude of a first leakage signal of the transmission signal, which is generated at the transmission port and input to the receiving port, and a magnitude of a second leakage signal of the transmission signal which is input to the receiving port through the antenna port, the leakage removing signal having an opposite phase to one of the phases or an aggregate phase of the first and second leakage signals. | 12-30-2010 |
20100307900 | Active Skin for Conformable Tactile Interface - Disclosed is an active skin including: a tactile sensor substrate which includes a first film including a dielectric elastic material and formed with a plurality of sensing points, and a pair of first electrodes respectively formed on upper and lower sides of the sensing point; a tactile actuator substrate which includes a second film including a dielectric elastic material and formed with a plurality of actuating points, and a pair of second electrodes respectively formed on upper and lower sides of the actuating point; and an insulating layer which is interposed between the tactile sensor substrate and the tactile actuator substrate and couples the tactile sensor substrate and the tactile actuator substrate. With this, a tactile sensor and a tactile actuator are integrated, so that there is provided an interactive tactile interface to not only feel like a human's skin but also actively move like a muscle. | 12-09-2010 |
20100304701 | APPARATUS AND METHOD FOR REMOVING TRANSMISSION LEAKAGE SIGNAL - An apparatus and method for removing a transmission leakage signal are provided. The apparatus includes: a directional coupler connecting an antenna to a transmission path and a reception path; and a reflection coefficient adjustment unit outputting a reflection signal to the reception path, the reflection signal having the same amplitude as and opposite phase to a first transmission leakage signal generated from the transmission path and input to the reception path and a second transmission leakage signal reflected by the antenna and input to the reception path. | 12-02-2010 |
20100251296 | CHANNEL SWITCHING METHOD AND SYSTEM FOR IPTV SERVICE - A channel switching method and system for IPTV for reducing channel switching delay and improving bandwidth utilization efficiency is provided. The channel switching method includes pre-joining candidate channels while playing broadcast data on a main channel, the candidate channels being stored in a candidate channel table; releasing the pre-joined candidate channels, when a channel holding time of the main channel is greater than a predetermined channel holding time level; and re-joining the released candidate channels before a completion of playing the broadcast data on the main channel. | 09-30-2010 |
20100247909 | Manufacturing process of porous carbon nanofiber using a volatile organic matter - The present invention provides a process for manufacturing a carbon nanofiber comprising: (a) mixing a carbon nanofiber precursor and camphor in a solvent to prepare a solution; (b) electric spinning the solution to obtain a nanofiber; (c) oxidative stabilizing the nanofiber; and (d) carbonizing the oxidative stabilized nanofiber, wherein camphor is volatilized to form micropores in the oxidative stabilization and carbonization. The present invention also provides a carbon nanofiber manufactured by the same. | 09-30-2010 |
20100233264 | TEMPERATURE AND pH-SENSITIVE BLOCK COPOLYMER HAVING EXCELLENT SAFTY IN VIVO AND HYDROGEL AND DRUG DELIVERY SYSTEM USING THEREOF - Disclosed herein are pH- and temperature-sensitive block copolymer with excellent safety and a method for preparing the same and a hydrogel and a drug carrier using the block copolymer. According to the present invention, the pH- and temperature-sensitive block copolymer comprises: obtained by copolymerization of: (a) polyethylene glycol-based compound (A); and (b) poly (β-amino ester)-based oligomer (B) or poly (amido amine)-based oligomer (C) or coupling of mixture (D) thereof. In order to control biodegradation rate, the block copolymer is mixed with poly (amido amine)-based oligomer instead of the poly (β-amino ester)-based oligomer and then coupling them. | 09-16-2010 |
20100232383 | METHOD AND APPARATUS FOR ALLOCATING CHANNEL BANDWIDTH IN WIRELESS INTERNET PROTOCOL TELEVISION SYSTEMS - A method and apparatus for allocating channel bandwidths in a wireless IPTV system is provided. The method includes measuring, if an additional service offering request is received in a saturation channel state, remaining execution times until a service of each terminal that is currently receiving a service is terminated, and setting a minimum of the measured remaining execution times to a unit time; calculating a securable channel bandwidth per the unit time with respect to each terminal that is currently receiving a service; and allocating, if the summation of the securable channel bandwidths per the unit time is equal to or greater than a channel bandwidth required to provide the additional service, the requested channel bandwidth in order to provide the additional service. | 09-16-2010 |
20100232307 | Apparatus and method for semi distributed resource allocation in a cognitive radio wireless communication system - An apparatus and operation method of a Base Station (BS) for allocating a radio resource in a Cognitive Radio (CR) wireless communication system includes, when a licensed system is activated, determining whether each of User Terminals (UTs) located in a cell satisfies Quality of Service (QoS). If all of the UTs satisfy the QoS, a binary message indicating ‘on’ is broadcasted to neighbor BSs. If at least one of the UTs does not satisfy the QoS, a binary message indicating ‘off’ is broadcasted to the neighbor BSs, and when the binary message indicating ‘off’ is received from at least one of the neighbor BSs, the binary message indicating ‘off’ is broadcasted to the UTs. | 09-16-2010 |
20100202269 | DATA RECORDING METHOD IN HOLOGRAPHY OPTICAL MEMORY SYSTEM - According to an aspect of the present invention, a data recording method in a holography optical memory system, for recording a two-dimensional pixel data page in a recording medium can be provided. In accordance with an embodiment of the present invention, the data recording method in a holography optical memory system can include recording sequentially the signal beams carrying one-dimensional pixel data lines, included in the original two dimensional pixel data page, in the recording medium by using the same reference beam. Here, the pixel data page can be recorded such that any two adjacent pixel data lines are partially overlapped with each other in an area of the recording medium. | 08-12-2010 |
20100201227 | POLYMER AND POLYMER ACTUATOR COMPRISING THE SAME - Provided are a polymer and a polymer actuator including the polymer. The polymer is cross-linked by a cross-linking agent. When the polymer is used in the polymer actuator, the polymer actuator shows a high strain and may be stably operated at high temperatures. | 08-12-2010 |
20100183153 | METHOD OF ESTABLISHING ROUTING PATH OF SENSOR NETWORK FOR IMPROVING SECURITY AND SENSOR NODE FOR IMPLEMENTING THE SAME - Disclosed herein is a method of establishing the routing path of a sensor network and a sensor node for implementing the method. Each of a plurality of sensors belonging to a sensor network is assigned a key index and a key corresponding to the key index. The sensor node acquires information about key indices possessed by sensor nodes existing on a candidate routing path. The sensor node selects a final routing path from among a plurality of candidate routing paths using the information about the key indices. Accordingly, the present invention can implement a sensor network having improved security. | 07-22-2010 |
20100176857 | APPARATUS FOR OUTPUTTING COMPLEMENTARY SIGNALS USING BOOTSTRAPPING TECHNOLOGY - Disclosed herein is an apparatus for outputting complementary signals using bootstrapping technology. The apparatus for outputting complementary signals includes a precharaged logic block, one or more output nodes, and a bootstrapping circuit block. The precharged differential logic block generates a differential signal depending on an input signal. The one or more output nodes output the complementary signals depending on the differential signal. The bootstrapping circuit block is shared by the one or more output nodes, and amplifies the complementary signals. | 07-15-2010 |
20100173186 | ORGANIC ELECTROLYTE FOR LITHIUM-ION BATTERY AND LITHIUM-ION BATTERY COMPRISING THE SAME - Disclosed are an organic electrolyte for a lithium-ion battery and a lithium-ion battery comprising the same, wherein the electrolyte includes a base electrolyte containing a lithium salt dissolved in an organic solvent, and diphenyloctyl phosphate added thereto in an amount of 0.1 to 20 wt %. As compared to a conventional organic electrolyte using only a carbonate ester-based solvent, such as ethylene carbonate, ethyl methyl carbonate, etc., the lithium-ion battery employing the organic electrolyte can improve thermal stability of an electrolyte solution, high-rate performance, and charge/discharge cyclability of a battery, while maintaining battery performance of the base electrolyte. | 07-08-2010 |
20100158144 | SAMPLING FREQUENCY OFFSET ESTIMATION APPARATUS AND METHOD OF OFDM SYSTEM - A sampling frequency offset estimation apparatus of an orthogonal frequency division multiplexing (OFDM) system according to an aspect of the invention may include: a first differential operation unit performing complex conjugate multiplication of scattered pilots of complex symbols subjected to a fast Fourier transform (FFT) in an OFDM receiver; an interpolation unit repeating an operation of obtaining a median complex symbol between two consecutive symbols among complex symbols having first phase difference information from the first differential operation unit by a predetermined number; a second differential operation unit performing complex conjugate multiplication of two consecutive median complex symbols among median complex symbols from the interpolation unit; and a sampling frequency offset estimation unit estimating sampling frequency offset using complex symbols having second phase difference information from the second differential operation unit. | 06-24-2010 |
20100158094 | APPARATUS AND METHOD FOR OFDM CHANNEL EQUALIZATION - An apparatus and method for orthogonal frequency division multiplexing (OFDM) channel equalization are disclosed. The apparatus includes a compensation value setting unit setting a compensation value in the form of a diagonal matrix by use of a diagonal matrix of diagonal elements extracted from a channel matrix of an OFDM receiver, and a preset divergence suppression value, an initial estimation value calculation unit calculating an initial estimate value by use of a fast Fourier transform (FFT)-processed signal of the OFDM receiver and the compensation value, an equalization unit detecting a transmission signal to be processed by use of the compensation value, the channel matrix and the diagonal matrix, and a symbol decision unit determining a symbol for an adjacent signal of a transmission signal, which is to be processed among a plurality of signals output from the equalization unit, and providing the symbol-determined adjacent signal to the equalization unit. | 06-24-2010 |
20100156186 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING DUAL CONVERTERS AND SINGLE INVERTER AND METHOD OF CONTROLLING THE SAME - There is provided a photovoltaic and fuel cell hybrid generation system using dual converters and a single inverter and a method of controlling the same. A photovoltaic and fuel cell (PV-FC) hybrid generation system according to an aspect of the invention may include: a PV DC/DC converter unit converting a PV output voltage into a predetermined voltage; an FC DC/DC converter unit converting an FC output voltage into a predetermined voltage; a DC link unit commonly connecting an output terminal of the PV DC/DC converter unit and an output terminal of the FC DC/DC converter unit, and linking the converted PV output voltage from the PV DC/DC converter unit to the converted FC output voltage from the FC DC/DC converter unit to thereby generate a DC voltage; and a DC/AC inverter unit converting the DC voltage from the DC link unit into a predetermined AC voltage. | 06-24-2010 |
20100156185 | PHOTOVOLTAIC AND FUEL CELL HYBRID GENERATION SYSTEM USING SINGLE CONVERTER AND SINGLE INVERTER, AND METHOD OF CONTROLLING THE SAME - There are disclosed a photovoltaic and fuel cell (PV-FC) hybrid generation system using a single converter and a single inverter, and a method of controlling the same. The PV-FC hybrid generation system includes a DC/DC converter unit converting an FC output voltage from a fuel cell, converting chemical energy into electrical energy, into a preset voltage, a DC link unit commonly connecting an output terminal of a photovoltaic cell, converting the sunlight into electrical energy, and an output terminal of the DC/DC converter unit, and linking the converted FC output voltage from the DC/DC converter unit with a PV output voltage from the photovoltaic cell to thereby generate a DC voltage, and a DC/AC inverter unit converting the DC voltage from the DC link unit into a preset AC voltage. Furthermore, a method of controlling the PV-FC hybrid generation system is proposed. | 06-24-2010 |
20100148635 | SOLID ELECTROLYTE POLYMER, POLYMER ACTUATOR USING CROSS-LINKED POLYVINYLIDENE FLUORIDE-BASED POLYMER, AND METHOD OF MANUFACTURING THE POLYMER ACTUATOR - A solid electrolyte polymer including a cross-linked polyvinylidene fluoride (PVDF)-based polymer, and a polymer actuator including the cross-linked PVDF-based polymer and an electrolytic material. | 06-17-2010 |
20100148181 | NANOCRYSTAL SILICON LAYER STRUCTURES FORMED USING PLASMA DEPOSITION TECHNIQUE, METHODS OF FORMING THE SAME, NONVOLATILE MEMORY DEVICES HAVING THE NANOCRYSTAL SILICON LAYER STRUCTURES, AND METHODS OF FABRICATING THE NONVOLATILE MEMORY DEVICES - Provided are nanocrystal silicon layer structures formed using a plasma deposition technique, methods of forming the same, nonvolatile memory devices including the nanocrystal silicon layer structures, and methods of fabricating the nonvolatile memory devices. A method of forming a nanocrystal silicon layer structure includes forming a buffer layer on a substrate and forming a nanocrystal silicon layer on the buffer layer by a plasma deposition technique using silicon (Si)-containing gas and hydrogen (H | 06-17-2010 |
20100148155 | THIN FILM TRANSISTOR, METHOD OF FORMING THE SAME AND FLAT PANEL DISPLAY DEVICE HAVING THE SAME - A thin film transistor (TFT), a method of forming the same and a flat panel display device having the same are disclosed. The TFT includes a buffer layer and a semiconductor layer which are sequentially disposed on a substrate, a gate pattern including an insulating pattern and a gate electrode pattern which are sequentially disposed on the semiconductor layer, source and drain regions defining a portion of the semiconductor layer below the gate pattern as a channel area, formed by doping the semiconductor layer disposed at both sides of the gate pattern with impurities, and extending from both sides of the channel area, a passivation layer which covers the entire surface of the substrate having the gate pattern, a first metal electrode which penetrates a portion of the passivation layer disposed on the source area and a portion of the source region below the portion of the passivation layer to be electrically connected with the source region, and a second metal electrode which penetrates a portion of the passivation layer disposed on the drain area and a portion of the drain region below the portion of the passivation layer to be electrically connected with the drain region. According to the present invention, a metal is infiltrated into source and drain regions to disperse an electric current when a TFT operates, and thus charge mobility is improved, and damage of a drain region caused by the excessive current density is prevented, leading to the long lifespan and excellent performance. | 06-17-2010 |
20100146451 | HANDHELD TERMINAL CAPABLE OF SUPPORTING MENU SELECTION USING DRAGGING ON TOUCH SCREEN AND METHOD OF CONTROLLING THE SAME - The present invention relates to a handheld terminal capable of supporting menu selection using dragging on a touch screen and a method of controlling the handheld terminal. When one of first level menu items displayed on a touch screen is touched, one or more second level menus belonging to the touched first level menu item are displayed. When a drag to one of the second level menu items is performed, a plurality of third level menu items belonging to a menu item corresponding to a location at which the drag was performed is displayed. When a release, ending the touch, is performed, a menu item corresponding to a location at which the release was performed is selected. Therefore, a user can select his or her menu item using a single touch and drag operation. | 06-10-2010 |
20100142236 | POWER CONVERSION SYSTEM FOR ELIMINATING LOW FREQUENCY RIPPLE CURRENT AND CONTROL METHOD THEREOF - There is provided an integrated control method for eliminating a low frequency ripple in a power conversion system for a fuel cell, more particularly, a control method of a power conversion system capable of eliminating a low frequency ripple, controlling a DC link voltage, and controlling an output power and a system using the same control method. A power conversion system (PCS) that converts an output of a DC power supply received from an external power supply includes a converter that converts a voltage of the input power supply; an inverter that converts an output voltage of the converter into an AC voltage; and a converter control module that outputs a PWM signal for controlling a switch of the converter, and after receiving a power instruction value, the converter control module generates the PWM signal for controlling the converter based on the power instruction value. | 06-10-2010 |
20100140028 | Electronic Wedge Brake System - An electronic wedge brake system includes an upper wedge member, one end portion of which is coupled to an inner pad provided to one side of a disc, and the other end portion of which defines an upper wedge surface thereon, a lower wedge member disposed adjacent to the upper wedge member and connected to a stationary member, the lower wedge member defining a lower wedge surface thereon in a side facing the upper wedge surface, at least a wedge roller provided between the upper and lower wedge surfaces, a roller grip plate slidably coupled to the upper wedge member for guiding a motion of the upper wedge member, and an actuator coupled to the stationary member and the roller grip plate and configured to selectively move the roller grip plate and the upper wedge member so that the inner pad can be engaged to or disengaged from the disc. | 06-10-2010 |
20100111314 | APPARATUS AND METHOD FOR LOCALIZING SOUND SOURCE IN REAL TIME - The present invention relates to an apparatus and method for localizing a sound source in real time. The apparatus for localizing a sound source in real time includes a sound signal acquisition unit for acquiring sound signals through two or more channels. A sample delay storage unit stores a plurality of pieces of data, sampled from the sound signals acquired through respective channels, for a predetermined period of time. A correlation calculation unit calculates correlations between the channels from the plurality of pieces of sampled data stored in the sample delay storage unit. A sound source direction calculation unit calculates an azimuth angle of the sound source using both the correlations between the channels and location relationships of the sound signal acquisition unit. Accordingly, the present invention can localize a sound source in real time. | 05-06-2010 |
20100100941 | CONTEXT-AWARE ROLE-BASED ACCESS CONTROL SYSTEM AND CONTROL METHOD THEREOF - A context-aware role-based access control system and a control method thereof. The context-aware role-based access control system includes: a context-aware user assignment manager (CAUAM) for performing a role assignment function, a role delegation function, or a role revocation function for a user according to a context of the user, based on a preset context request condition; a context-aware permission assignment manager (CAPAM) for performing a permission modification, a permission restoration, and a personalized permission modification for a permission, which the role has, according to changes in the context of the user; an information repository for storing a user profile and context information; and an access control manager (ACM) for controlling the context-aware user assignment manager, the context-aware permission assignment manager, and the information repository, and processing an access control request. Accordingly, more efficient access control can be achieved in ubiquitous environments where the context of the user dynamically changes. | 04-22-2010 |
20100093160 | METHODS OF FORMING NANO-DEVICES USING NANOSTRUCTURES HAVING SELF-ASSEMBLY CHARACTERISTICS - Provided are methods of forming nano-devices. One of the methods includes forming a nano-scale self-assembly material layer on a substrate formed of at least one layer, forming a mask layer on the self-assembly material layer, performing a surface treatment process on the substrate using the mask layer as a mask, and removing the self-assembly material layer. | 04-15-2010 |
20100085242 | METHOD OF SENSOR NETWORK LOCALIZATION THROUGH RECONSTRUCTION OF RADIATION PATTERN - Disclosed herein is a method of sensor network localization through reconstruction of a radiation pattern with a characteristic value of an antenna depending on orientation thereof. The method can minimize errors using an antenna characteristic value and a signal strength depending on the orientation. In addition, the method can minimize errors using an artificial neural network to characterize a distorted radiation pattern of an antenna and using it for the localization of a triangulation method. Furthermore, the method can increases the localization rate even in a passive localization method by characterizing an asymmetric antenna radiation pattern and constructing the antenna characteristic through an artificial neural network. | 04-08-2010 |
20100067455 | METHOD FOR FRACTIONAL FRQUENCY REUSE WITH ORDERING SCHEME TO INCREASE CAPACITY OF OFDM SYSTEMS - Disclosed herein is a method for fractional frequency reuse with ordering scheme (FFRO) to increase capacity of orthogonal frequency division multiplexing (OFDM) systems while reducing interference due to the use of a common sub-channel set. Each cell includes a common sub-channel set assigned in common to all cells provided in a cluster and a dedicated sub-channel set assigned differently to all of the cells. The method includes classifying the cells into at least one type according to cluster sizes, and allocating the dedicated sub-channel set by frequency partitioning scheme based on the cell type. | 03-18-2010 |
20100054183 | SENSOR NETWORK CONTROL METHOD FOR DATA PATH ESTABLISHMENT AND RECOVERY AND SENSOR NETWORK THEREFOR - Disclosed herein are a sensor network control method for data path establishment and recovery and a sensor network therefor. The sensor network control method includes the steps of (a) the sink node or a first sensor node creating an interest message, including information about a hop count between itself and the sink node, and transmitting the interest message to one or more neighboring nodes; (b) a second sensor node, which has received the interest message, creating a routing table using the hop count information of the interest message and information about the node having transmitted the interest message, (c) the second sensor node determining a data transmission path for data transmission to the sink node using the routing table; and (d) the second sensor node transmitting an interest message, including information about a hop count between itself and the sink node to at least one neighboring node. | 03-04-2010 |
20100054141 | METHOD AND SYSTEM FOR MBS OVER MMR NETWORK USING DYNAMIC MODIFICATION OF MCS LEVEL - A method and system for Multicast Broadcast Service (MBS) over Mobile Multi-hop Relay (MMR) network using dynamic modification of Modulation and Coding Scheme (MCS) level are provided. The base station of the system for MBS over MMR network using dynamic modification of MCS level comprises: Adaptive Modulation and Coding (AMC) table for storing the MCS level for the transmission between the BS and relay station (RS), throughput corresponding to the MCS level, and spectrum efficiency corresponding to the MCS level; and Dynamic Modulation and Coding (DMC) table for storing the MCS level for the transmission between the RS and MS to be changed upon update of the AMC table. If there is any change of the MCS level for the transmission between the RS and MS, the BS transmits a MCS control message to the RS informing of the MCS level change such that MBS data is transmitted with the changed MCS level. | 03-04-2010 |
20100053335 | SYSTEM AND METHOD FOR MEASURING IMAGE QUALITY OF MOVING PICTURES - The present invention relates to a system for measuring image quality of moving pictures. The system comprises a transmitter, for transmitting encoded image data through a channel, and a receiver, for receiving the encoded image data and analyzing image information from the received image data to measure the image quality of moving pictures. The receiver includes a reception data input unit for receiving the encoded image data, a reception information analysis unit for analyzing a bitstream from the received image data in order to extract image information including loss or non-loss, a motion vector, and coordinates of each block, and an image quality measurement unit for applying a weight to each block by using the extracted image information and calculating the number of lost blocks reflecting weights to measure image quality. | 03-04-2010 |
20100051856 | POROUS ANODE ACTIVE MATERIAL, METHOD OF MANUFACTURING THE SAME, ANODE COMPRISING THE SAME, AND LITHIUM BATTERY COMPRISING THE ANODE - A porous anode active material including a Group 14 element oxide and a non-active material having no reactivity with lithium; a method of manufacturing the porous anode active material; an anode including the porous anode active material; and a lithium battery including the anode. The non-active material may be silica. | 03-04-2010 |
20100040017 | METHOD OF CONTROLLING HMIPV6 NETWORK-BASED HANDOVER, AND ACCESS ROUTER AND MOBILE NODE THEREFOR - Disclosed herein are a method of controlling Hierarchical Mobile IPv6 (HMIPv6) network-based handover and an Access Router (AR) and Mobile Node (MN) therefor. The method include the steps of a first AR, to which a MN is connected, receiving an L3 handover initiation message, including a Media Access Control (MAC) address of the MN and the ID of a target Base Station (BS); the first AR creating a Local Care-of Address (LCoA) based on the MAC address of the MN and the ID of the target BS, and performing Binding Update (BU) on a Mobility Anchor Point (MAP) using the created LCoA; when an L2 handover completion message is received from the target BS of the MN, a second AR creating an LCoA and transmitting the LCoA to the MN; and the MN receiving the LCoA from the second AR and configuring the received LCoA as its own LCoA. | 02-18-2010 |
20100033058 | Physical/Biochemical Sensor Using Piezoelectric Microcantilever And Manufacturing Method Thereof - The present invention discloses a physical/biochemical sensor using a multisized piezoelectric microcantilever resonator array which enables to quantitatively and simultaneously analyze a mass loading effect and a surface stress change effect and a manufacturing method thereof. In the physical/biochemical sensor using the multisized piezoelectric microcantilever resonator array, a plurality of piezoelectric micro-cantilever resonators having different sizes is arrayed so as to quantitatively and discriminately analyze a surface stress change as well as a sensor surface mass change induced by an adsorbed sensing-target material occurring in a sensing process. Thus, the mass loading effect and the surface stress change effect can be quantitatively and simultaneously analyzed. | 02-11-2010 |
20100031356 | BINDING UPDATE METHOD IN MIPv6 - A binding update method in MIPv6 is provided which includes: a first step of allowing a mobile node to generate a HoTI (Home Test Init) message including a HoA (Home Address) encoded with a product of a first prime number and a second prime number and to transmit the HoTI message to a corresponding node through a home agent along with a first index; a second step of allowing the mobile node to generate a CoTI (Care of Test Init) message including a CoA (Care-of Address) encoded with a product of the first prime number and a third prime number and to transmit the CoTI message directly to the corresponding node along with a second index; a third step of allowing the corresponding node to generate a HoT (Home of Test) message including a first nonce and to transmit the HoT message to the mobile node through the home agent; a fourth step of allowing the corresponding node to generate a CoT (Care-of Test) message including a second nonce and to transmit the CoT message to the mobile node; a fifth step of allowing the mobile node to generate a BU (Binding Update) message by adding the first prime number to the first nonce and the second nonce included in the HoT message and the CoT message and to transmit the BU message to the corresponding node; and a sixth step of allowing the corresponding node to verify the BU message using an exclusive OR operation and a factorization operation in prime numbers with the first prime number and to transmit a BA (Binding Ack) message to the mobile node. | 02-04-2010 |
20100016222 | NOVEL AGENT FOR INDUCING APOPTOSIS COMPRISING MSX1 OR A GENE ENCODING THE SAME AS AN ACTIVE INGREDIENT - The present invention relates to a novel use of Msx1 protein or a nucleotide encoding the same for inducing apoptosis. The Msx1 of the present invention induces apoptosis through direct interaction with p53 via a homeodomain and such interaction leads to increased stability, and/or nuclear localization of p53 in cells. The Msx1 or homeodomain thereof can be effectively used for the treatment of tumors, in which wild-type p53 protein has lost its function by some mechanism that inactivates p53 proteins. | 01-21-2010 |
20090323837 | METHOD FOR ESTIMATING FREQUENCY OFFSET IN SYSTEM UTILIZING A PLURALITY OF SUB-CARRIERS - An integer frequency offset estimation scheme in an orthogonal frequency division multiplexing (OFDM)-based system is disclosed. A receiving apparatus for receiving a signal according to an OFDM includes an OFDM symbol acquisition module for acquiring at least two consecutive OFDM symbols, a symbol operation module for operating upon pilot symbols and/or data symbols belonging to frequency bands determined according to a plurality of candidates for integer frequency offsets among a plurality of pilot symbols and a plurality of data symbols included in the acquired OFDM symbols, and an integer frequency offset estimation module for selecting a final integer frequency offset among a plurality of candidates for integer frequency offsets according to magnitudes of operation values obtained by the symbol operation module, wherein the frequency bands determined according to the candidate for integer frequency offsets are obtained by frequency-shifting preset frequency bands at which all pilot symbols are transmitted according to the candidate for integer frequency offsets. | 12-31-2009 |
20090316797 | DISTRIBUTED CODED VIDEO DECODING APPARATUS AND METHOD CAPABLE OF SUCCESSIVELY IMPROVING SIDE INFORMATION ON THE BASIS OF RELIABILITY OF RECONSTRUCTED DATA - Disclosed herein is a distributed coded video decoding apparatus. The distributed coded video decoding apparatus includes a key picture decoding unit for reconstructing a key picture, a side information generation unit for generating side information using the key picture and/or previously reconstructed WZ pictures, a side information update unit for updating the side information using the side information and corrected reconstructed video, a channel code decoding unit for decoding quantization symbols, a video reconstruction unit for reconstructing a current WZ picture using the quantization symbols and the side information, and a video correction unit for calculating the reconstructed data reliability using channel code decoded data reliability of the decoded data and/or the reconstructed video reliability determining whether to correct the reconstructed video and determining a correction unit based on the calculated the reconstructed data reliability and then correcting the reconstructed video. | 12-24-2009 |
20090313086 | USER RECOMMENDATION METHOD AND RECORDED MEDIUM STORING PROGRAM FOR IMPLEMENTING THE METHOD - A method of recommendation to a user is disclosed. In the method in accordance with an embodiment of the present invention, a recommendation system recommends a product to a user of an e-commerce site, which sells the product through the Internet. The method can include: collecting user behavior information of the user; analyzing the collected user behavior information; creating a recommendation tree for predicting a user preference for a certain product based on the analyzing; and recommending the product to the user based on the recommendation tree. The user behavior information is a command signal inputted by the user in the e-commerce site while the user is accessed to the e-commerce site, and the product can be classified into a plurality of items, which represent the product. The method in accordance with the present invention can analyze the user's preferences more quickly and accurately without inconveniencing the user. | 12-17-2009 |
20090299943 | CONCERNED INFORMATION RECOMMENDATION SYSTEM AND METHOD CONSIDERING USER'S WATCHING OR LISTENING TIME AND MAXIMUM PLAYING TIME OF CONTENTS - A user-concerned information recommendation system and method considering user's watching or listening time and the maximum playing time of contents are disclosed. The user-concerned information provision system includes a plurality of user terminals to provide contents transmitted from an external server to a user, a user-concerned information inference server to infer an association relationship between the contents based on information of maximum playing time and actual playing time of the contents provided to the user terminals, and a content provision server to provide a content requested by an arbitrary one of the user terminals and other contents associated with the requested content according to the inferred association relationship to the arbitrary one of the user terminals when receiving a request of the content from the arbitrary one of the user terminals, thereby providing more accurate user-concerned information to the user. | 12-03-2009 |
20090292691 | System and Method for Building Multi-Concept Network Based on User's Web Usage Data - A system and method for building a multi-concept network based on web usage data that collect keywords used in a search site utilized by a plurality of users and web page information and build the multi-concept network for the keywords are provided. The method includes (a) collecting the keywords input by the users for searches in the site and the information on web pages read according to keyword search results; (b) for each keyword, selecting read web pages for each user; (c) for each keyword, setting each selected web page as one node, grouping the web page nodes for each user, connecting the web page nodes in a row, and arranging the web page nodes around the keyword; and (d) obtaining a similarity between two groups of the web page nodes arranged around the keyword, and integrating the two groups to form one group connected in a row when the similarity is above a predetermined standard value. | 11-26-2009 |
20090291454 | Detection method of bio material, fabrication method of chip for detection of bio mateiral, and chip for detecting of bio material - Provided are a method for detecting biomaterials, a method for fabricating a chip for biomaterial detection and a chip for biomaterial detection. The method for detecting biomaterials is characterized by comprising the steps of: (S | 11-26-2009 |
20090284608 | GAZE TRACKING APPARATUS AND METHOD USING DIFFERENCE IMAGE ENTROPY - In accordance with one aspect of the present invention, there is provided a gaze tracking apparatus using difference image entropy, comprising: image detection module for detecting user's eye region image from image of the user taken by picture-taking apparatus which is connected to the gaze tracking apparatus; image selection module for computing entropy value of difference image between the eye region image and a plurality of reference images respectively indicating each gazing direction and selecting reference image with least difference image entropy value among the plurality of reference images; and gaze tracking module for recognizing user's gazing direction by regarding gazing direction that the selected reference image indicates as user's gazing direction. | 11-19-2009 |
20090273875 | Apparatus for decreasing inrush current using SFCL and method for deciding optimal insertion resistance - There is provided an apparatus for decreasing an inrush current which comprises a power system including a transformer, and a superconducting fault current limiter electrically connected to the transformer. A resistance value of the superconducting fault current limiter is calculated by using a variation of the inrush current and a variation of the voltage drop of the power system according to a value of insertion resistance. | 11-05-2009 |
20090267647 | Convertible logic circuits comprising carbon nanotube transistors having ambipolar charateristics - A convertible logic circuit includes a plurality of carbon nanotube transistors. Each carbon nanotube transistors are configurable as p-type or an n-type transistors according to a voltage of a power source voltage. Each carbon nanotube transistor includes a source electrode, a drain electrode, a channel formed of a carbon nanotube between the source electrode and the drain electrode, a gate insulating layer formed on the carbon nanotubes, and a gate electrode formed on the gate insulating layer. | 10-29-2009 |
20090256175 | Method of doping transistor comprising carbon nanotube, method of controlling position of doping ion, and transistors using the same - Provided are a method of doping a carbon nanotube (CNT) of a field effect transistor and a method of controlling the position of doping ions. The method may include providing a source, a drain, the CNT as a channel between the source and the drain, and a gate, applying a first voltage to the gate, and adsorbing ions on a surface of the CNT. | 10-15-2009 |
20090253037 | METHOD OF PRODUCING NANOPARTICLES, NANOPARTICLES, AND LITHIUM BATTERY COMPRISING ELECTRODE COMPRISING THE NANOPARTICLES - A method of preparing nanoparticles includes using low-temperature plasma and a pulsed second process gas. Nanoparticles having uniform sizes and nanoparticles having a core-shell structure may be formed. A lithium battery includes an electrode that includes the nanoparticles. | 10-08-2009 |
20090245687 | IMAGE PROCESSING METHOD AND APPARATUS FOR DETECTING LINES OF IMAGES AND START AND END POINTS OF LINES - Disclosed herein is an image processing method and apparatus for detecting the lines of images and the start and end points of the lines. The image processing apparatus includes an edge creation unit, a Hough transform unit, and an effective parameter detection unit. The edge creation unit creates an edge image using external image data input from the outside. The Hough transform unit performs a Hough transform on information about the pixel coordinates of the edge image created by the edge creation unit. The effective parameter detection unit detects the lines of the edge image by checking effective line parameters using the results of the Hough transform. The image processing apparatus may further include an edge list for storing coordinates of effective pixels constituting the edge image and a line parameter list for storing the effective line parameters. | 10-01-2009 |
20090245586 | IMAGE PROCESSING APPARATUS AND METHOD FOR REAL-TIME MOTION DETECTION - An image processing apparatus and method for real time motion detection is provided. In the apparatus, a sub-sampling module receives and sub-samples a current image and a plurality of previous images and a census transform module performs census transform on each of the sub-sampled images to obtain a census vector. A correlation calculation module calculates and compares correlation values between the current image and the plurality of previous images and detects a region having highest correlation. A motion detection module tracks positions of pixels corresponding to the region having the highest correlation to detect motion information in the images. The image processing apparatus and method can obtain, in real time, the direction and speed of an object that is in motion in each image. | 10-01-2009 |
20090245376 | METHOD AND APPARATUS FOR ENCODING/DECODING MOTION VECTOR INFORMATION - A method and apparatus for encoding/decoding motion vector information are provided, in which a coding unit is divided into a plurality of subunits, PMVs of the subunits are calculated, it is determined whether the PMVs satisfy a predetermined condition, and coded motion vector data are generated, which include information indicating an omission of the motion vectors of the subunits, if the PMVs satisfy the predetermined condition. | 10-01-2009 |
20090245371 | METHOD AND APPARATUS FOR ENCODING/DECODING INFORMATION ABOUT INTRA-PREDICTION MODE OF VIDEO - A method and apparatus for encoding and decoding IPM information are provided, in which a coding unit is received, IPMs of a plurality of sub-units included in the coding unit are determined, a relation between an IPM of each sub-unit and IPMs of neighboring sub-units of the each sub-unit is checked, and information about IPMs of a plurality of sub-units according to the relations is encoded in an integrated manner. | 10-01-2009 |
20090245353 | METHOD AND APPARATUS FOR INTRA-PREDICTION VIDEO CODING/DECODING - An intra-prediction coding and decoding method is provided, in which a picture to be encoded is received in coding units, each of the coding units is divided into a plurality of sub-units, an IPM is determined for each coding unit, residual data is acquired for each sub-unit of each coding unit according to the determined IPM, and information about the IPM of each coding unit and the residual data of each sub-unit of each coding unit are encoded. | 10-01-2009 |
20090219094 | DIFFERENTIAL AMPLIFIER CIRCUIT AND FREQUENCY MIXER FOR IMPROVING LINEARITY - A differential amplifier circuit and a frequency mixer for improving linearity are disclosed. The disclosed differential amplifier circuit includes first and second loads, a first output terminal for the first load, a second output terminal for the second load, a differential amplifying stage including a differential stage for amplifying a voltage difference between a first input stage and a second input stage, and a biasing current source for biasing the differential stage, and a non-linearity filtering circuit for filtering a non-linear signal generated from the differential amplifying stage. The non-linearity filtering circuit includes a first cross circuit including a first transistor to connect the first and second output terminals, and a second cross circuit including a second transistor to connect the first and second output terminals. The differential amplifier circuit achieves an improvement in linearity, as compared to conventional differential amplifier circuits, by offsetting, at a load side, a non-linear component generated at an active element of the differential amplifier circuit, to output only a linear current component. | 09-03-2009 |
20090214159 | METAL WAVEGUIDE DEVICE AND NANO PLASMONIC INTEGRATED CIRCUITS AND OPTICAL INTEGRATED CIRCUIT MODULE USING THE SAME - Disclosed is a metal waveguide device, and nano plasmonic integrated circuits and an optical integrated circuit module using the same. The nano plasmonic integrated circuit module includes an input coupling unit, an input focusing unit, a surface plasmon polariton waveguide for guiding surface plasmon polaritons, a signal sensing/processing unit, an output defocusing unit, and an output coupling unit for converting surface plasmon polariton signals into optical signals. The optical integrated circuit module includes the nano plasmonic integrated circuit module, thus realizing highly integrated photonic circuits having a micro structure, low power consumption and low price. | 08-27-2009 |
20090214043 | KEY DISTRIBUTION METHOD AND AUTHENTICATION SERVER - A method of and an authentication server for distributing a key are disclosed. According to an embodiment of the present invention, the method of distributing a key, which is distributed by an authentication server connected with wireless terminals through a communication network, for encrypting and decrypting data in accordance with providing a service can include: obtaining characteristic information by decrypting encrypted characteristic information that has been received from each of n number of wireless terminals; generating a random key; generating a group key used for encrypting and decrypting data in accordance with providing a service; and generating a distribution key by using the random key, the group key and the characteristic information, and transmitting the distribution key to each wireless terminal. | 08-27-2009 |
20090212275 | NANO/MICRO-SIZED DIODE AND METHOD OF PREPARING THE SAME - A nano/micro-sized diode and a method of preparing the same, the diode including: a first electrode; a second electrode; and a diode layer that is disposed between the first electrode and the second electrode. The diode layer includes a first layer and a second layer. The first layer is disposed on the first electrode and has a first surface that is electrically connected to the first electrode, and an opposing second surface that has a protrusion. The second layer is disposed between the first layer and the second electrode and has a first surface having a recess that corresponds to the protrusion, and an opposing second surface that is electrically connected to the second electrode. | 08-27-2009 |
20090208737 | LAMELLA STRUCTURED THIN FILMS WITH ULTRALOW DIELECTRIC CONSTANTS AND HIGH HARDNESS AND METHOD FOR MANUFACTURING THE SAME - There are provided lamella structured thin films having ultralow dielectric constants and high hardness, and the method for manufacturing the same. In the lamella structured thin film, silica layers and air layers are alternately and repeatedly stacked on the surface of a wafer in the vertical direction. The method of manufacturing the lamella structured thin film includes, agitating silica sol solution containing surfactant and silica precursor, spin-coating the solution on silicon wafer, aging the wafer, and annealing the wafer to remove the surfactant and organic materials from the wafer. The lamella structured thin film has excellent mechanical strength and high chemical stability, and in particular, has significantly low dielectric constant of no more than 2.5 and high hardness. In the method of manufacturing the lamella structured thin film, semiconductor processes can be made simple and economical since only pure silica is used and no additionally surface treatment is performed. | 08-20-2009 |
20090208016 | DOMAIN DIGITAL RIGHTS MANAGEMENT SYSTEM, LICENSE SHARING METHOD FOR DOMAIN DIGITAL RIGHTS MANAGEMENT SYSTEM, AND LICENSE SERVER - Disclosed is a domain DRM system, a license sharing method for the domain DRM system, and a license server. The domain DRM system includes at least one domain including at least one user module adapted for encryption or decryption using a provided encryption key and a domain manager adapted for decryption using a provided encryption key, and a license server for creating encryption keys corresponding to the domain manager and the one user module, respectively, and providing them with the created contents, respectively, so that, when at least one user module requests contents, a contents encryption key used to encrypt the contents is encrypted by using an encryption key of the user module and an encryption key of the domain manager according to a commutative encryption scheme, and one of the domain manager and the user module is provided with a shared license obtained as a result of encryption. | 08-20-2009 |
20090207914 | METHOD FOR DIRECT MODE ENCODING AND DECODING - Disclosed is a method of encoding a direct mode when coding moving images, the method includes finding a prediction and a cost for each of a plurality of direct modes including a backward-based temporal direct mode and a forward-based temporal direct mode with respect to a current block to be encoded and determining one mode having the lowest cost as a result of comparing the costs as an optimal encoding mode, thereby performing encoding the direct mode. | 08-20-2009 |
20090203226 | NEUTRAL BEAM-ASSISTED ATOMIC LAYER CHEMICAL VAPOR DEPOSITION APPARATUS AND METHOD OF PROCESSING SUBSTRATE USING THE SAME - A neutral beam-assisted atomic layer chemical vapor deposition (ALCVD) apparatus is provided for uniformly depositing an oxide layer filling a planarization layer or a trench to increase uniformity and density of the oxide layer using neutral beams generated by a neutral beam generator without a seam or void occurring in an atomic layer deposition (ALD) or ALD-like chemical vapor deposition (CVD) process, thereby solving problems on the void or seam and low density occurring when a high-density planarization layer or a shallow trench having a width of 65 nm or less is formed, and improving a next generation oxide layer isolation process. The neutral beam-assisted ALCVD apparatus includes: an ALCVD apparatus, which deposits an oxide layer in order to form a pattern in a semiconductor substrate; and a neutral beam generator, which converts ion beams to neutral beams in order to remove a seam or void in the oxide layer deposited between the patterns, and applies the neutral beams to the oxide layer deposited to form the pattern. | 08-13-2009 |
20090198890 | METHOD OF SEARCHING NEIGHBORING CELL ADDRESS IN SAME RESOLUTION OCTREE STRUCTURE - Disclosed is a method of searing an address in the octree structure having the same resolution. The method of searching address values of the neighboring cells in the octree structure having the same resolution can include performing address encoding of octree cells by giving an inherent address value that is increased according to a depth level of octree to each cell in the octree structure such that address difference values of neighboring cells in the octree structure has a sequential rule; and searching an address value of a neighboring cell that is in contact by a surface with the selected octree cell by using the sequential rule of the address-encoded address difference value of each octree cell. In accordance with an embodiment of the present invention, it is possible to efficiently search address values of neighboring cells that are in contact with an octree cell. | 08-06-2009 |
20090196455 | Sound System of Wall Mounted Flat Panel Display Apparatus - In accordance with an embodiment of the present invention, a sound system of a wall-mounted flat panel display apparatus can include a speaker, being mounted in an area except for a display area, which plays back a video, in the flat panel display apparatus and playing back a corresponding sound; and an acoustic resonator, having a box shape including one surface formed with an open area and being mounted such that the surface formed with the open area is closely in contact with an outer side of a case of the flat panel display apparatus, the acoustic resonator being configured to induce a resonance of a sound projected from the speaker and inputted through the open area. With the present invention, it can be possible to adequately improve audio balance by simply mounting a pipe or box shaped acoustic resonator in an outer side of a case of the flat panel display apparatus. | 08-06-2009 |
20090196383 | CORRELATION APPARATUS AND METHOD FOR FREQUENCY SYNCHRONIZATION IN BROADBAND WIRELESS ACCESS COMMUNICATION SYSTEM - A correlation apparatus and method for frequency synchronization are provided. A frequency synchronization method of a receiver in a broadband wireless access communication system includes acquiring a highest correlation value by conducting a differential correlation of a variable interval between a received signal and a reference signal and performing a frequency synchronization according to the highest correlation value. | 08-06-2009 |
20090196084 | Memory chip array - Provided is a memory chip array comprising a plurality of cell arrays and at least one predecoder commonly connected to the plurality of cell arrays, wherein the memory chip array promotes an efficient arrangement structure of the memory chip array and is minimized in area. | 08-06-2009 |
20090194159 | DYE-SENSITIZED SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME - Provided is a dye-sensitized solar cell. Specifically, the present invention provides a dye-sensitized solar cell which is designed to reduce the production cost, improve productivity and increase energy efficiency by using a carbon electrode as a counter electrode, and a manufacturing method thereof. The dye-sensitized solar cell according to the present invention is characterized by comprising a working electrode, a counter electrode, and an electrolytic layer separating the two electrodes, wherein the counter electrode comprises a carbon electrode formed on a first transparent substrate, wherein the carbon electrode is a conductive transparent carbon electrode. According to the present invention, it is possible to remarkably reduce the production cost by using a relatively low-cost material, i.e. carbon electrode, and improve the solar cell efficiency by preventing oxidation with the electrolytic layer owing to corrosion and oxidation resistance of the carbon electrode. | 08-06-2009 |
20090190798 | SYSTEM AND METHOD FOR REAL-TIME OBJECT RECOGNITION AND POSE ESTIMATION USING IN-SITU MONITORING - Provided are a system and method for real-time object recognition and pose estimation using in-situ monitoring. The method includes the steps of: a) receiving 2D and 3D image information, extracting evidences from the received 2D and 3D image information, recognizing an object by comparing the evidences with model, and expressing locations and poses by probabilistic particles; b) probabilistically fusing various locations and poses and finally determining a location and a pose by filtering inaccurate information; c) generating ROI by receiving 2D and 3D image information and the location and pose from the step b) and collecting and calculating environmental information; d) selecting an evidence or a set of evidences probabilistically by receiving the information from the step c) and proposing a cognitive action of a robot for collecting additional evidence; and e) repeating the steps a) and b) and the steps c) and d) in parallel until a result of object recognition and pose estimation is probabilistically satisfied. | 07-30-2009 |
20090190606 | SYSTEM AND METHOD FOR POLLING IN ETHERNET PASSIVE OPTICAL NETWORK - Disclosed is a system and a method for polling in an Ether net Passive Optical Network (EPON). The system includes: multiple Optical Network Units (ONUs) for sharing optical channels of the EPON with one another and transmitting traffic; and an Optical Line Terminal (OLT) for discriminating a plurality of ONUs gaining access to the EPON among the multiple ONUs and then collecting routing information on the plurality of ONUs gaining access to the EPON, and for classifying the plurality of ONUs gaining access to the EPON into two or more ONU groups according to the collected routing information and then carrying out forming a polling cycle and allocating bandwidth on each ONU group. Therefore, a transmission idle period in a traffic channel is not only minimized, but an availability ratio of traffic channels can also be maximized. | 07-30-2009 |
20090190566 | METHOD AND APPARATUS OF CONTROLLING ACCESS MODE FOR COMMUNICATION SYSTEM USING SHARED OR UNLICENSED BAND - A technology that can adaptively control an access mode according to a shared band or an unlicensed band used by an adjacent communication system. An access mode controlling apparatus includes a band recognition unit to recognize a usage rate of an unlicensed band or a shared band that is used by an adjacent communication system of a target communication system; a mode determination unit to determine, as an access mode, any one of a contention access mode and a contention-free access mode, based on the usage rate of the unlicensed band or the shared band; and an information transmitter to transmit mode information associated with the determined access mode to member nodes or a base station of the target communication system. | 07-30-2009 |
20090189956 | DROPLET JETTING APPARATUS USING ELECTROSTATIC FORCE AND MANUFACTURING METHOD AND INK PROVIDING METHOD THEREOF - The present invention relates to a droplet jetting apparatus using electrostatic force, a manufacturing method thereof and an ink providing method thereof. The droplet jetting apparatus using electrostatic force includes a lower electrode unit in which a nozzle and a lower electrode positioned in the nozzle equipped in the upper part of a first substrate, and an ink inflow channel equipped in the lower part of the first substrate are integrally formed; an upper electrode unit having an upper electrode formed on the top surface of a second substrate and an ink discharge hole formed by being penetrated to the upper electrode from the bottom surface of the second substrate; and a bonding layer for bonding the lower electrode unit and the upper electrode unit with each other so that the nozzle is vertically aligned with the ink discharge hole. According to this configuration, the ink used in the droplet jetting apparatus is easy to select, the electrostatic force can be efficiently concentrated and manufacturing processes of the droplet jetting apparatus can be simplified. | 07-30-2009 |
20090187989 | System and method for controlling abnormal traffic based on fuzzy logic - A system for controlling abnormal traffic based on a fuzzy logic includes: an intrusion detection module for analyzing packets incoming from a network interface by means of a membership function defined based on a specific period of time, and outputting a fuzzy value representing a degree of a port scan attack; a fuzzy control module for recognizing the degree of the port scan attack based on the fuzzy value and outputting a control signal for traffic control according to the recognized degree of the port scan attack; and an intrusion blocking module for receiving the control signal and controlling the traffic with the network interface. | 07-23-2009 |
20090185800 | METHOD AND SYSTEM FOR DETERMINING OPTIMAL EXPOSURE OF STRUCTURED LIGHT BASED 3D CAMERA - Provided are a method and system for determining an optimal exposure of a structured light based 3D camera. The system includes a projecting means for illuminating a predetermined pattern on a target object, an image capturing means for capturing an image of the target object with the pattern projected, and a processing means for reconstructing 3D data for the target object by identifying the pattern of the captured images from the image capturing means. The system automatically determines an optimal exposure of the structured light based 3D camera system through analyzing the captured image of the target object. | 07-23-2009 |
20090177423 | SIGNAL DETECTION USING DELTA SPECTRUM ENTROPY - Disclosed is a method of signal detection. A received input signal is divided into a frame unit and each input signal present in a first frame and a second frame is transformed into a frequency signal. Then, first power spectrum information and second power spectrum information are computed utilizing the transformed frequency signal and a delta spectrum entropy value corresponding to a difference of the two computed power spectrum information is obtained. A predetermined input signal is included in a predetermined frame among the input signal after judging through comparing the delta spectrum entropy value with a critical value. Desired signal can be detected in a noisy environment including a noise signal by using the delta spectrum entropy value. | 07-09-2009 |
20090176090 | METHOD FOR EFFICIENT AL-C COVALENT BOND FORMATION BETWEEN ALUMINUM AND CARBON MATERIAL - Disclosed is a method of forming an Al—C covalent bond between aluminum and a carbon material by applying an electric arc to a mixture of the aluminum and the carbon material under vacuum, heated and pressurized conditions. In order to enhance the reactivity of the carbon material, the method may include the step of introducing defects in the carbon material and thus functionalizing the carbon material by treating the carbon material with acid, a microwave, or plasma. | 07-09-2009 |
20090175622 | METHOD FOR ALLOCATING UPSTREAM TRANSMISSION BANDWIDTH IN WDM-EPON - Disclosed is a method fox allocating upstream transmission bandwidth so as to prevent Inter-Scheduling Cycle Gaps (ISCGs) from occurring in an N number of Optical Network Units (ONUs) by using an m number of wavelength channels for upstream transmission in a Wavelength-Division Multiplexing (WDM)-Ethernet Passive Optical Network (EPON). The method includes: grouping the ONUs to be allocated each of the m number of wavelength channels; and performing a Dynamic Bandwidth Allocation (DBA) algorithm in order for the grouped ONUs to efficiently use allocated wavelengths and time slots, thereby allocating each wavelength channel. Accordingly, by using a scheme of managing ONUs by each group, it is possible to more efficiently allocate bandwidth than the online scheduling scheme. As compared with the offline scheduling scheme, ISCGs caused by bandwidth allocation do not occur. | 07-09-2009 |
20090172810 | Apparatus and method for inputting graphical password using wheel interface in embedded system - Provided are an apparatus and method for inputting a graphical password that use representative pictures and elemental pictures of a graphic to form a graphical password and that receive the graphic via a wheel interface and a select button for user authentication. The apparatus includes: an input unit having a wheel interface and a select button; a display for displaying a graphic consisting of representative pictures and elemental pictures, and displaying a changed graphic in response to an input from the wheel interface; a memory for storing a graphical password of a user; and a controller for recognizing, when the select button is pressed, the graphic displayed on the display as a user-input graphical password, and determining whether the input graphical password matches the stored graphical password for user authentication. Thus, it is possible to increase the number of cases for a password using a wheel interface for a higher security level of an embedded system that has a low security level due to a limited type and length of letters input as a password. | 07-02-2009 |
20090167438 | HARMONIC TUNED DOHERTY AMPLIFIER - Disclosed is a Doherty amplifier which includes a carrier amplifier for always performing a signal amplification operation regardless of a level of an input signal, a peaking amplifier for performing an amplification operation, starting from a high power output where a level of an input signal is equal to or greater than a predetermined level, an output combination circuit for combining and outputting outputs of the carrier amplifier and the peaking amplifier, and an input division circuit for dividing an input signal into the carrier amplifier and the peaking amplifier, the Doherty amplifier including a carrier amplifier output harmonic impedance tuning network which is installed at a rear end of the carrier amplifier so as to tune an output harmonic impedance of the carrier amplifier, and a peaking amplifier output harmonic impedance tuning network which is installed at a rear end of the peaking amplifier so as to tune an output harmonic impedance of the peaking amplifier. | 07-02-2009 |
20090162654 | ENCAPSULATION OF CARBON MATERIAL WITHIN ALUMINUM - Disclosed is a method of encapsulating a carbon material within aluminum, the method including the steps of: (i) functionalizing a carbon material by introducing a defect therein; (ii) mixing the functionalized carbon material with aluminum; and (iii) ball milling the mixture under an inert gas atmosphere. In addition, the present invention discloses a method of fabricating an aluminum-carbon material composite, the method comprising the steps of: (i) functionalizing the carbon material by introducing a defect therein; (ii) mixing the functionalized carbon material with aluminum; and (iii) ball milling the mixture under an inert gas atmosphere, thereby encapsulating a carbon material within aluminum. Furthermore, the present invention discloses an aluminum-carbon material composite fabricated according to the method. | 06-25-2009 |
20090154489 | METHOD FOR DISTRIBUTING CONTENTION AMONG TERMINALS IN CONTENTION ACCESS PERIOD OF SUPERFRAME - Disclosed is a method for distributing contention among terminals in a Contention Access Period (CAP) of a superframe in regard to a Medium (or Media) Access Control (MAC) layer employing a beacon-enabled mode in IEEE 802.15.4 standard. The method includes: dividing the CAP or the superframe into a plurality of sub-periods, all having the same size; receiving an association request message from a relevant terminal; and allocating one of the plurality of sub-periods to the relevant terminal, and transferring information on the sub-periods to the relevant terminal through a beacon frame, by a Personal Area Network (PAN) coordinator. | 06-18-2009 |
20090134975 | TAG ESTIMATION METHOD AND TAG IDENTIFICATION METHOD FOR RFID SYSTEM - Provided are a tag estimation method and a tag identification method using the same in a RFID system. In the tag estimating method, a reader divides tags in an identifiable area into a predetermined number of groups. Tags are identified by applying a pilot frame L | 05-28-2009 |
20090129353 | METHOD FOR RECOGNIZING AVAILABLE CHANNEL IN IEEE 802.15.4 PROTOCOL CSMA/CA MECHANISM - Disclosed is a method of recognizing an available channel in order to prevent channel occupation requirements from colliding with each other when one wireless channel is shared by plural terminals in a CSMA/CA mechanism using an IEEE 802.15.4 protocol slot, the method including: a first step of initializing a counter, CW, as 2, the CW being used for CCA which an attempt to perform is made before frame transmission; a second step of determining if a required channel is occupied; a third step of decreasing the CW by 1 when the channel is idle in the second step; a fourth step of re-determining if the channel is occupied; and a fifth step of, based on a determination result in the fourth step, determining if the CW is 1 when the channel is occupied. | 05-21-2009 |
20090125728 | SECURITY METHOD OF SYSTEM BY ENCODING INSTRUCTIONS - The provided is a method for securing a system by encoding instructions. The method includes encoding instructions composed by a system developer and storing the encoded instructions through an encoding module during a compiling procedure, and decoding the encoded instructions and executing the decoded instructions through a decoding module. In the method, the instructions are encoded using interdependency between instructions in an instruction set which is composed by a system developer. | 05-14-2009 |
20090113538 | Method and system for controlling access for mobile agents in home network environments - Disclosed is a method and system for controlling access for a mobile agent in a home network environment. The method includes the steps of: issuing a role ticket to the mobile agent; verifying access authority to service requested by the mobile agent through the role ticket; and granting the mobile agent access authority to the service. Accordingly, a table for managing access authority of a user is distributed to devices, so that it is possible to provide the mobile agent access control method and system capable of minimizing network traffic in the home network environment. | 04-30-2009 |
20090106384 | AGENT PLATFORM, MULTI AGENT SYSTEM, AND MESSAGE TRANSMITTING/RECEIVING METHOD THEREOF - Provided are an agent platform, a multi agent system, and a message transmitting/receiving method thereof. The message transmitting/receiving method for a multi agent platform including a first agent platform for managing at least one of a first agent and a second agent and at least one of a second agent platform for managing at least one of a third agent, includes: receiving a plurality of messages from the first agent at the first agent platform; assigning a priority to the received message according to a message type of the message at the first agent platform; and transmitting the message to the second agent or the second agent platform according to the priority. | 04-23-2009 |
20090092880 | METHOD FOR PREPARING HOMOGENEOUSLY SULFONATED POLY (ETHER ETHER KETONE) MEMBRANES BY THE CASTING METHOD USING ORGANIC SOLVENTS - The present invention relates to a method for preparing PEEK electrolyte membrane which is sulfonated homogeneously by employing organic solvent casting method. The method of preparing PEEK according to the present invention consists of steps of: dissolving the dried PEEK in methyl sulfonic acid solution; diluting the prepared solution with sulfuric acid for sulfonation; precipitating, filtering and washing the obtained material; dissolving the obtained material in organic solvents; and solidifying the obtained material. The methanol permeability of the membrane is lowered by 1/10 to that of Nafion, and the Young's modulus of the membrane is increased by about 10 times while the ion conductivity is maintained at a constant state by employing the present method. Further, the properties of the electrolyte membrane are affected by the type of organic solvent selected. | 04-09-2009 |
20090088402 | NOVEL AGENT FOR INDUCING APOPTOSIS COMPRISING MSX1 OR A GENE ENCODING THE SAME AS AN ACTIVE INGREDIENT - The present invention relates to a novel use of Msx1 protein or a nucleotide encoding the same for inducing apoptosis. The Msx1 of the present invention induces apoptosis through direct interaction with p53 via a homeodomain and such interaction leads to increased stability, and/or nuclear localization of p53 in cells. The Msx1 or homeodomain thereof can be effectively used for the treatment of tumors, in which wild-type p53 protein has lost its function by some mechanism that inactivates p53 proteins. | 04-02-2009 |
20090077642 | COOPERATION METHOD AND SYSTEM BETWEEN SEND MECHANISM AND IPSEC PROTOCOL IN IPV6 ENVIRONMENT - The present invention relates to a method of embodying a cooperation system between SEND and IPSec in an IPv6 environment. The cooperation system between SEND and IPSec in accordance with the present invention includes: receiving an authentication completion report message including a first IP address of a host whose authentication is completed by the SEND; generating new authentication information corresponding to the host and storing the new authentication information in a temporary storage area, if authentication information for the host is not present in the temporary storage area, wherein the authentication information includes the first IP address; and if an authentication check request message including a second IP address is received from the IPSec, checking whether the second IP address is present in the temporary storage area, and sending the result of checking to the IPSec. The present invention allows the authentication information shared between SEND and IPSec in a mobile environment, where the network is frequently accessed, enabling IPSec secure communication at a lower cost. | 03-19-2009 |
20090075308 | Method for in vitro phosphorylation of TRAP of Staphylococcus aureus and a method for screening the inhibitor of the TRAP phosphorylation - The present invention relates to a method for in vitro phosphorylation of TRAP derived from | 03-19-2009 |
20090068217 | Recombinant vaccine for preventing and treating porcine atrophic rhinitis - Disclosed is a recombinant vaccine for porcine atrophic rhinitis. A vaccine is provided which uses a | 03-12-2009 |
20090059211 | OPTICAL BIOSENSOR USING SPR PHENOMENON - An optical biosensor using a surface plasmon resonance phenomenon includes an input optical waveguide including a first optical mode converting unit for converting a core mode to a cladding mode; and an optical sensing unit for allowing a specific wavelength among wavelengths constituting the converted cladding mode to be lost according to density of bio-material. The optical biosensor can accurately measure density of bio-material by using an optical signal. | 03-05-2009 |
20090057921 | FLIP CHIP FOR ELECTRICAL FUNCTION TEST AND MANUFACTURING METHOD THEREOF - Disclosed is a method for manufacturing a flip chip, in which a gold typically used in a flip chip manufacturing is adhered by conductive adhesives, wherein the method comprises steps of depositing a metal seed layer on a substrate; applying and patterning a photoresist or a dry film; forming a gold bump by electroplating; patterning the seed layer; forming an insulating layer on the seed layer and upper end of the gold bump; and patterning an insulating layer. Accordingly, it is possible to manufacture a flip chip, in which electrical function between bumps can be evaluated, with less cost. | 03-05-2009 |
20090054612 | Low dielectric constant plasma polymerized thin film and manufacturing method thereof - Disclosed is a low dielectric constant plasma polymerized thin film using linear organic/inorganic precursors and a method of manufacturing the low dielectric constant plasma polymerized thin film through plasma enhanced chemical vapor deposition and annealing using an RTA apparatus. The low dielectric constant plasma polymerized thin film is effective for the preparation of multilayered metal thin films having a thin film structure with very high thermal stability, a low dielectric constant, and superior mechanical properties. | 02-26-2009 |
20090029678 | RESYNCHRONIZATION METHOD FOR MOBILE COMMUNICATION TERMINAL - Provided is a resynchronization method of a mobile communication terminal. The resynchronization method for a mobile communication terminal connected to a home location register and a mobile communication network, includes: extracting a communication network serial number corresponding to a terminal authentication request instruction received from a mobile communication network; comparing the communication network serial number with a terminal serial number stored in a predetermined memory; generating n | 01-29-2009 |
20090029677 | MOBILE AUTHENTICATION THROUGH STRENGTHENED MUTUAL AUTHENTICATION AND HANDOVER SECURITY - A method of mobile authentication with enhanced mutual authentication and handover security is disclosed. The method of mutual authentication in a mobile network in accordance with an embodiment of the present invention includes: generating at least one service ticket and session key corresponding to a mobile station in accordance with an authentication data request for the mobile station; encrypting the service ticket and the session key by using a user security key pre-assigned in accordance with the mobile station; sending the encrypted service ticket and session key to the mobile station by using a control message; and authenticating the mobile station by analyzing user mutual authentication information received from the mobile station. The present invention, therefore, can provide a more powerful and effective mutual authentication method in a mobile network. | 01-29-2009 |
20090019033 | USER-CUSTOMIZED CONTENT PROVIDING DEVICE, METHOD AND RECORDED MEDIUM - Disclosed are a user-customized content providing device, a method and a recorded medium. In accordance with an embodiment of the present invention, the user-customized content providing device can include a content searching unit, searching a content set related to user's search query word; a user preference information requesting unit, asking an apparatus for user preference information including a user profile and tag information through a network, the user profile including a keyword collected in the apparatus and a point applied with a weight given per keyword; a user preference information collecting unit, receiving the user preference information from the apparatus; a content ranking determining unit, determining a ranking of the content set according to the relation to the user preference information; and a content providing unit, providing the ranked content set to the apparatus. | 01-15-2009 |
20090012937 | APPARATUS, METHOD AND RECORDED MEDIUM FOR COLLECTING USER PREFERENCE INFORMATION BY USING TAG INFORMATION - Disclosed are an apparatus, a method and a recorded medium for collecting user preference information by using tag information. In accordance with the present invention, the apparatus collecting user preference information by using tag information, the apparatus can include a tag search unit, searching at least one tag of an anchor tag, a form tag and a combination thereof which are included in a web document outputted to the apparatus; a tag information extracting unit, extracting tag information from the searched tag; a keyword detecting unit, detecting a keyword from the tag information; and a user preference information managing unit, collecting user preference information including a user profile generated by using the keyword. With the present invention, it is possible that user's preference can be quickly and accurately analyzed per user and customized information based on the analyzed preference can be provided to the user. | 01-08-2009 |
20090003726 | ILLUMINATION NORMALIZING METHOD AND APPARATUS - An illumination normalizing apparatus and a method are disclosed. The illumination normalizing apparatus measures a discontinuity of each pixel of an input image, the discontinuity including a spatial gradient and a local inhomogeneity, produces a weight of each pixel from the discontinuity by using a transfer function, produces an estimated illumination by repeating a convolution operation on each weight, and subtracts the estimated illumination from the input image. | 01-01-2009 |
20090000663 | DYE-SENSITIZED SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Provided are to a dye-sensitized solar cell and method of manufacturing the same. The dye-sensitized solar cell includes a lower electrode having a carbon nanorod layer, and a dye layer provided between an upper electrode and the lower electrode and which includes a carbon nanotube. | 01-01-2009 |
20080310746 | APPARATUS AND METHOD FOR GENERATING CHAIN CODE - Disclosed are a chain code generating apparatus and a method thereof. In accordance with an embodiment of the present invention, the chain code generating apparatus can include an image input unit, receiving an image signal from a camera and converting the received image signal to a digital image signal, and separating a synchronizing signal from the digital image signal and outputting the synchronizing signal; an image storing unit, storing image data corresponding to an active image section of the digital image signal in units of frame based on the synchronizing signal; and a code generating unit, reading the image data stored in the image storing unit and performing an outline search of the analysis portion, and generating a chain code according to a correlation between adjacent pixels forming an outline of the analysis portion in accordance with the searched result. | 12-18-2008 |
20080309480 | OPERATING METHOD OF WIRELESS SENSOR NETWORKS CONSIDERING ENERGY EFFICIENCY - Provided is a wireless sensor network operating method considering energy efficiency. The method for operating a wireless sensor network including clusters of sensor nodes includes: selecting a cluster head based on residual energy amounts of the sensor nodes by increasing a probability that a sensor node with a greater amount of residual energy than the others is selected as a cluster head; transmitting an advertisement message from the selected cluster head to the sensor nodes to form a cluster; and transmitting sensing data acquired in each sensor node to the cluster head. Accordingly, this method can extend lifespan of sensor nodes by not transmitting/receiving data on residual energy amounts and positions between sensor nodes, and increase the entire lifespan of a wireless sensor network by reducing a probability that a sensor node having a relatively small residual energy amount is selected as a cluster head consuming much energy. | 12-18-2008 |
20080299609 | Uracil-DNA glycosylase of psychrobacter sp. HJ147 and use thereof - The present invention provides uracil-DNA glycosylase (UDG) gene originating from | 12-04-2008 |
20080274190 | TEMPERATURE AND pH - SENSITIVE BLOCK COPOLYMER HAVING EXCELLENT GEL STRENGTH, METHOD OF PREPARING THE SAME, AND DRUG DELIVERY SYSTEM USING THE SAME - Disclosed herein is a temperature- and pH-sensitive block copolymer having excellent gel strength, including: (a) a poly(ethylene glycol)-based compound (A) or a copolymer (B) of the poly(ethylene glycol)-based compound (A) and a biodegradable polymer; and (b) a polyurethane-based oligomer (C). Further, a method of preparing a temperature and pH-sensitive block copolymer having excellent gel strength, including: (a) synthesizing a poly(ethylene glycol)-based compound (A) or a copolymer (B) of the poly(ethylene glycol)-based compound (A) and a biodegradable polymer; and (b) coupling a polyurethane-based oligomer (C) with the copolymer (B), is disclosed. Also disclosed is a polymer hydrogel type drug delivery system, including: (a) the block copolymer; and (b) a physiologically active substance which can be included in the block copolymer. | 11-06-2008 |
20080248470 | GENETIC SCREENING FOR PREDICTING ANTIDEPRESSANT DRUG RESPONSE BASED ON THE MONOAMINE TRANSPORTER GENE POLYMORPHISM COMBINATION - The present invention discloses is a method of selecting a drug based on personal genetic information when prescribing an antidepressant for a depressed patient. According to the invention, either a noradrenaline reuptake inhibitor (NRI) antidepressant or a selective serotonin reuptake inhibitor (SSRI) antidepressant can be selected based on the combination of monoamine transporter gene polymorphisms, that is, NET G1287A polymorphism in a norepinephrine transporter (NET) gene, serotonin transporter gene (5-HTT) promoter polymorphism and 5-HTT gene intron 2 polymorphism. Also, based on the norepinephrine transporter gene NET G1287A polymorphism alone, the noradrenaline reuptake inhibitor (NRI) antidepressant can be selected. | 10-09-2008 |
20080221248 | METHOD FOR PREPARING SURFACE-IMPRINTED POLYMER MICROSPHERES IN THE FORM OF CORE-SHELL FOR SELECTIVE SEPARATION OF HEAVY METAL IONS - Disclosed is the preparation of a molecularly imprinted polymer for the selective separation of heavy metal ions using a core-shell polymerization method. According to the core-shell polymerization method, the molecularly imprinted polymer is prepared through two steps of preparing seed particles using styrene and divinylbenzene and forming a metal ion imprinted polymer on the surface of the seed particles. In the imprinted polymer thus prepared, an imprinted site is present on the surface of a support (e.g., polystyrene beads), thus reducing the time required to recognize heavy metal ions and obviating the use of a surfactant or a stabilizer, thereby realizing economic and environmental advantages. | 09-11-2008 |
20080208774 | ONTOLOGY SYSTEM FOR CONTEXT-AWARE, METHOD THEREOF, AND RECORDING MEDIUM STORING THE SAME - Provided are an ontology system, a method for managing the ontology system, and a recording medium storing the same. The ontology system includes: a context broker unit for receiving context information from a sensing device and verifying a validity of the received context information; a context managing unit for controlling to generate an ontology structure by transforming the verified context information from the context broker unit to ontology web language (OWL) data and processing the OWL data; a rule-based inference engine unit for transforming the processed context information from the context managing unit to semantic web rule language (SWRL) data and processing the SWRL data through an inference process; a learning managing unit for processing the processed context information from the context managing unit through learning; and a database for storing the context information processed at the context managing unit, the rule-based engine unit, and the learning managing unit. | 08-28-2008 |
20080207597 | HOMOPIPERAZINE COMPOUNDS THAT INHIBIT RIBOSOMAL FRAMESHIFTING BY BINDING TO RNA PSEUDOKNOT STRUCTURE OF SARS CORONAVIRUS - Provided is a homopiperazine compound for inhibiting ribosomal frameshifting by binding to an RNA pseudoknot structure of SARS coronavirus. Particularly, the present invention provides a pharmaceutical composition for inhibiting synthesis of protein induced by −1 frameshifting by binding to an RNA pseudoknot structure specifically existing in SARS coronavirus. The composition includes a therapeutically effective amount of homopiperazine compound of following chemical formula 1 or a pharmaceutically accepted salt thereof, and a pharmaceutically accepted carrier or excipient. | 08-28-2008 |