Electronics and Telecommunication Research Institute Patent applications |
Patent application number | Title | Published |
20140223506 | METHOD AND APPARATUS FOR DETERMINING BASE PCR IN MULTIPLE IMAGES FOR BROADCASTING SERVICE BASED ON MULTIPLE IMAGES - There is disclosed a method of synchronizing a first image and a second image forming multiple images in broadcasting service based on the multiple images. The method includes receiving a stream regarding the first stream and a stream regarding the second stream through a plurality of channels, obtaining the first image and the second image by decoding the stream regarding the first stream and the stream regarding the second stream and obtaining a base Program Clock Reference (PCR) descriptor in at least one of the stream regarding the first stream and the stream regarding the second stream, selecting a base stream based on the base PCR descriptor and determining a base PCR based on the base PCR descriptor, and synchronizing the first image and the second image based on the base PCR. | 08-07-2014 |
20140104793 | STRETCHABLE ELECTRONIC DEVICE AND METHOD OF MANUFACTURING SAME - Provided are a stretchable electronic device and a method of manufacturing the same. The manufacturing method includes forming coil interconnection on a first substrate, forming a first stretchable insulating layer that covers the coil interconnection, forming a second substrate on the first stretchable insulating layer, separating the first substrate from the coiling interconnection and the first stretchable insulating layer, and forming a transistor on the coil interconnection. | 04-17-2014 |
20140011297 | NONVOLATILE MEMORY CELL AND METHOD OF MANUFACTURING THE SAME - Provided are a nonvolatile memory cell and a method of manufacturing the same. The nonvolatile memory cell includes a memory transistor and a driver transistor. The memory transistor includes a semiconductor layer, a buffer layer, an organic ferroelectric layer, and a gate electrode, which are disposed on a substrate. The driver transistor includes the semiconductor layer, the buffer layer, a gate insulating layer, and the gate electrode, which are disposed on the substrate. The memory transistor and the driver transistor are disposed on the same substrate. The nonvolatile memory cell is transparent in a visible light region. | 01-09-2014 |
20130329785 | METHOD FOR DETERMINING COLOR DIFFERENCE COMPONENT QUANTIZATION PARAMETER AND DEVICE USING THE METHOD - Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization. | 12-12-2013 |
20130322405 | METHOD FOR SUPPORTING NODE MOBILITY IN WIRELESS MESH NETWORK - Provided is a method of data transmission from an access router in a wireless mesh network. The method of data transmission includes: receiving, from a gateway, a broadcast message indicating that a connection to the external internet can be made; establishing a bi-directional path to the gateway; when a new node is connected to the access router, sending information about the new node to the gateway; if there is a data transmission in which a node located within the coverage area of the access router is a destination node, forwarding the data to the destination node. | 12-05-2013 |
20130207749 | DIGITAL ATTENUATOR WITH REDUCED PHASE DIFFERENCE - Disclosed is a digital attenuator, and more particularly, a digital attenuator for improving a performance in various respects, and also provided is a structure for reducing a phase difference of the digital attenuator by equipping an inductor as a phase retardation element. | 08-15-2013 |
20130188572 | APPARATUS AND METHOD FOR ALLOCATING RESOURCE IN COMMUNICATION SYSTEM - A resource allocation apparatus in a communication system includes an identification unit configured to identify a new frequency band for transmission and reception of data between a plurality of terminals and a first access point, and identify a first frequency band which is being used by a second access point in the new frequency band; a setting unit configured to divide the new frequency band into sub bands of a basic frequency band, and set priorities of the sub bands; and an allocation unit configured to allocate the sub bands in correspondence to the priorities, for transmission and reception of data between the plurality of terminals and the first access point. | 07-25-2013 |
20130185535 | APPARATUS AND METHOD FOR PROCESSING NON-SEQUENTIALLY STORED DATA - An apparatus and method for processing non-sequentially stored data is provided. The data processing apparatus may include an order information mapping unit to map transmission order information to data, an address list generating unit to generate an address list including addresses of the data arranged sequentially based on the transmission order information, and a data processing unit to process the data corresponding to each of the addresses based on an address order of the address list. | 07-18-2013 |
20130163621 | EXTERNAL CAVITY TUNABLE LASER MODULE - Disclosed is an external cavity tunable laser module including a substrate; a mirror surface that is formed on the substrate to reflect a laser incoming from the outside; a transmissive liquid crystal filter that is formed at a rear side of the mirror surface to select and tune a wavelength of the laser reflected through the mirror surface; and a light source chip that is formed at a rear side of the transmissive liquid crystal filter to reflect the laser that passes through the transmissive liquid crystal filter at a specific wavelength interval to form a plurality of channels and tune wavelengths of the channels. | 06-27-2013 |
20130124736 | APPARATUS AND METHOD FOR SETTING AUTO CONNECTION OF SENSOR NODE BASED ON SENSOR DATA - Provided is an apparatus and method for setting a sensor node to be automatically connected. An apparatus for setting a connection of a sensor node may include: a data receiver to receive, from the sensor node, sensor data that is measured by the sensor node; a node type determining unit to determine a type of the sensor node based on the received sensor data; and a sensor node setting unit to set the sensor node to be automatically connected based on the determined type of the sensor node. | 05-16-2013 |
20130121248 | WIRELESS BASE STATION AND METHOD OF PROCESSING DATA THEREOF - A clustering wireless base station includes a group digital processor including a plurality of digital units (DU) and a plurality of remote radio frequency units (RRU) that are connected to the group digital processor through a transport network and that are installed in each service target area. In this case, each DU includes a decoder that decodes upward data that is received from the each DU, and each RRU includes an encoder that encodes downward data from the each DU. | 05-16-2013 |
20130003897 | METHOD AND APPARATUS FOR DEMODULATING DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM - There is provided a method and apparatus in which a user equipment demodulates a downlink signal in a wireless communication system. The user equipment receives a first orthogonal frequency division multiplexing (OFDM) signal from a first node serving the mobile station, receives a second OFDM signal from a second node different from the first node, and demodulates the first OFDM signal and the second OFDM signal in a fast Fourier transform (FFT) section. The first OFDM signal and the second OFDM signal are either normal mode signals each having a first cyclic prefix (CP) or cooperative mode signals each having a second CP, and the second CP has a longer length than the first CP. | 01-03-2013 |
20120257015 | APPARATUS AND METHOD FOR 3D BROADCASTING SERVICE IN BROADCASTING SYSTEM COMBINED WITH MOBILE BROADCASTING - Provided is an apparatus and a method for providing a three-dimensional (3D) broadcasting service that may provide a two-dimensional (2D) fixed broadcasting service using a fixed broadcasting signal or a 2D mobile broadcasting service using a mobile broadcasting signal when a transmitter transmits each of a left image and a right image constituting a 3D image using the fixed broadcasting signal or the mobile broadcasting signal, and the receiver receives the fixed broadcasting signal and the mobile broadcasting signal, or may provide a 3D broadcasting service by composing an image received using the fixed broadcasting signal and an image received using the mobile broadcasting signal into a 3D image. | 10-11-2012 |
20120250827 | FIELD EMISSION X-RAY TUBE APPARATUS FOR FACILITATING CATHODE REPLACEMENT - The present disclosure relates to a field emission X-ray tube apparatus for facilitating cathode replacement, and more particularly, to a field emission X-ray tube apparatus for facilitating cathode replacement in which gates and cathodes are easily arranged through a joining member and a rotation preventing guide when gates and insulating spacers are rotated and joined with the cathodes while the cathodes and respective gates maintain electrical insulation, thereby easily replacing the cathodes. | 10-04-2012 |
20120172038 | METHOD FOR CONFIGURATION CELL BY MULTI MODE TERMINAL AND METHOD FOR OPTIMIZATION CELL BY MULTI MODE TERMINAL - A method of configuring a cell of a terminal includes: transmitting, by the terminal, when the terminal searches for an idle band, a downlink frame; performing a network entry procedure with other terminals at 1 hop from the terminal; and optimizing, by the terminal, transmission power. | 07-05-2012 |
20120163458 | METHOD FOR SELECTIVE SUB-LAYER MACROBLOCK DECODING - A method for selective sub-layer macroblock decoding includes sorting macroblocks into a plurality of layers, resolving a data dependency between the layers of the macroblocks, identifying the presence of decoding of each of the macroblocks in a sub-layer based on the data dependency, and selectively decoding the macroblocks based on the identified result. | 06-28-2012 |
20120161834 | DIGITAL PHASE LOCKED LOOP HAVING INSENSITIVE JITTER CHARACTERISTIC FOR OPERATING CIRCUMSTANCES - Disclosed are a phase locked loop (PLL) of a digital scheme and a method thereof. More specifically, disclosed are a digital phase locked loop having a time-to-digital converter (TDC), a digital loop filter (DLF), and a digitally controlled oscillator (DCO), and that is designed to have a constant jitter characteristic at all times even though an operating condition of a circuit varies according to a process, voltage, temperature (PVT) change, and a method thereof. | 06-28-2012 |
20120159598 | USER AUTHENTICATION SYSTEM AND METHOD USING PERSONAL IDENTIFICATION NUMBER - A user authentication system using a personal identification number, includes a user terminal device for requesting issuance of a personal identification number from an authentication server, storing and displaying a personal identification number, and registering reference information used to permit verification of validity of the personal identification number on the authentication server. Further, the user authentication system includes an inquiry device for requesting verification of validity of the personal identification number from the authentication server, and receiving and displaying results of the verification. Furthermore, the user authentication system includes an authentication server for storing issuance information while issuing the personal identification number, determining whether to permit the verification of the validity of the personal identification number, if the inquiry device requests the verification of the validity, and replying with results of the verification, if it is determined that the verification of the validity is to be permitted. | 06-21-2012 |
20120150529 | METHOD AND APPARATUS FOR GENERATING TRANSLATION KNOWLEDGE SERVER - A method and apparatus for generating a translation knowledge server, which can generate a translation knowledge server based on translation knowledge collected in real time is provided. The apparatus for generating translation knowledge server may include: data collector which collects initial translation knowledge data; data analyzer which performs morphological analysis and syntactic analysis on the initial translation knowledge data received from the data collector and outputs analyzed data; and translation knowledge learning unit which learns real-time translation knowledge by determining target word for each domain from the analyzed data based on predetermined domain information or by determining a domain by automatic clustering. According to the present invention, it is possible to obtain translation knowledge by analyzing documents present in a web or provided by a user in real time and to improve the quality of translation by applying the obtained translation knowledge to a translation engine. | 06-14-2012 |
20120148002 | PULSE-SIGNAL RECOVERING DEVICE WITH TIME-INTERLEAVING SCHEME - Disclosed is a pulse-signal recovering device with a time-interleaving scheme. Exemplary embodiments of the present invention can improve receive performance of a radar so as to shorten pre-scanning time for roughly determining presence and absence of objects and time consumed to recover received pulse signals in the radar receiver with the sub-sampling scheme by simultaneously sensing signal levels of the received pulse signals at several positions and improve a signal to noise ratio by increasing an averaging rate with respect to the number of same received pulses. | 06-14-2012 |
20120147891 | APPARATUS AND METHOD FOR BALANCING LOAD ACROSS MULTIPLE PACKET PROCESSING ENGINES - A distributed packet processing apparatus capable of distributing packet load across a plurality of packet processing engines is provided. The distributed packet processing apparatus includes a plurality of processing engines each configured to process allocated packets, a first tag generating unit configured to allocate an input packet to a processing engine, which has a processing engine index corresponding to a tag index for the input packet, among the plurality of processing engines, a second tag generating unit configured to calculate a tag index for an output packet, and an index conversion unit configure to convert the tag index for the output packet to one processing engine index among a plurality of processing indexes for the plurality of the processing engines and allocates the output packet to a processing engine having the one processing engine such that loads are distributed among the plurality of processing engines. | 06-14-2012 |
20120147131 | VIDEO COMMUNICATING APPARATUS HAVING EYE-TO-EYE COMMUNICATION FUNCTION AND METHOD THEREOF - Provided are a video communication apparatus having an eye-to-eye communication function that enables video communication users to communicate with each other in an eye-to-eye state, and a method thereof. The apparatus includes a display unit configured to display a video of a video communication partner, the display unit including a plurality of cameras activated according to a selection control signal; a video processor configured to encode a captured video from the activated camera, and to decode a video from the video communication partner and identify a position of the video communication partner's eyes from the video; a camera selector configured to activate a camera installed in a position corresponding to the position among the plurality of cameras; and a transceiver configured to transmit the encoded video from the video processor to the video communication partner and provide the video from the video communication partner to the video processor. | 06-14-2012 |
20120140722 | ERROR CONTROL METHOD, MEDIUM ACCESS CONTROL (MAC) FRAME DESIGNING METHOD, AND TERMINAL REGISTRATION METHOD IN WIRELESS COMMUNICATION SYSTEM, AND RECORDING MEDIUM - The MAC frame in a wireless communication system includes a terminal ID allocated to each of multiple terminals. At least one connection ID is allocated to each terminal having the terminal ID, and sub-carrier allocation information is allocated to each connection having the connection ID. The sub-carrier allocation information includes a sub-carrier allocation status for each sub-carrier, and the number of allocated information bits for each sub-carrier. The sub-carrier allocation status and the number of allocated information bits for each sub-carrier can be allocated, by sub-carriers, to the sub-carrier allocation information using a same number of bits; or the information on the sub-carrier allocation status is first allocated to the sub-carrier allocation information and the number of allocated information bits for each sub-carrier is allocated. | 06-07-2012 |
20120128235 | APPARATUS AND METHOD FOR RECONSTRUCTING COMPUTED TOMOGRAPHY IMAGE USING COLOR CHANNEL OF GRAPHIC PROCESSING UNIT - Provided is an apparatus and method for reconstructing a computed tomography (CT) image using a color channel of a graphic processing unit (GPU) that reconstructs a three-dimensional (3D) image using a projection image obtained from a CT device. According to an embodiment of the present invention, an apparatus for reconstructing a CT image may include a tomography unit to acquire a plurality of projection images, a filter application unit to load the plurality of projection images on a texture memory having a color channel, and filter the plurality of projection images, and a back-projection application unit to apply a back-projection scheme to the plurality of projection images loaded on the texture memory having a color channel. | 05-24-2012 |
20120098688 | CLOCK TIMING ADJUSTMENT DEVICE AND CONTINUOUS TIME DELTA-SIGMA MODULATOR USING THE SAME - Provided is a clock timing adjustment device for adjusting a time difference of clocks and a delta-sigma modulator. The clock timing adjustment device includes a power detection unit and a timing adjustment unit. The power detection unit receives input signals which are generated using pairs of first and second clocks having a plurality of clock time differences and respectively correspond to the clock time differences, detects powers of the input signals, and outputs a control signal corresponding to a clock time difference where the power is minimized. The timing adjustment unit receives a reference clock and the control signal and outputs the first and second clocks having the clock time difference where the power is minimized from the reference clock according to the control signal. | 04-26-2012 |
20120097958 | ACTIVE-MATRIX FIELD EMISSION PIXEL - A field emission pixel includes a cathode on which a field emitter emitting electrons is formed, an anode on which a phosphor absorbing electrons from the field emitter is formed, and a thin film transistor (TFT) having a source connected to a current source in response to a scan signal, a gate receiving a data signal, and a drain connected to the field emitter. The field emitter is made of carbon material such as diamond, diamond like carbon, carbon nanotube or carbon nanofiber. The cathode may include multiple field emitters, and the TFT may include multiple transistors having gates to which the same signal is applied, sources to which the same signal is applied, and drains respectively connected to the field emitters. An active layer of the TFT is made of a semiconductor film such as amorphous silicon, micro-crystalline silicon, polycrystalline silicon, wide-band gap material like ZnO, or an organic semiconductor. | 04-26-2012 |
20120025622 | WIRELESS POWER TRANSMITTER, WIRELESS POWER RECEIVER, AND METHOD FOR WIRELESS POWER TRANSFER USING THEM - Provided is a method for a wireless power transfer. The method includes modulating a transmission frequency according to a predetermined value at a wireless power transmitter; and transmitting a high frequency signal according to the modulated transmission signal from the wireless power transmitter to at least one wireless power receiver and redetermining the predetermined value according to information which corresponds to a power value of the high frequency signal received by the at least one wireless power receiver, wherein the modulating the transmission frequency at the wireless power transmitter and transmitting the high frequency and the redetermining the predetermined value the at least one wireless power receiver are repeated. | 02-02-2012 |
20110286500 | SYNCHRONIZATION DEVICE AND METHOD OF RADIO-FREQUENCY REPEATER - A synchronization method of a radio repeater includes: using a first signal, a second signal, and a received signal including the first signal and the second signal to calculate correlation values of the first signal and the second signal; using the first signal correlation value, the second signal correlation value, and the power value of the received signal to output normalized correlation values; subtracting the normalized correlation value of the first signal and the normalized correlation value of the second signal; and detecting a start interval of the second signal based on the subtraction result and outputting a synchronization signal to synchronize the radio repeater. | 11-24-2011 |
20110154415 | MULTICASTING VIDEO ON DEMAND (VOD) SERVICE SYSTEM AND METHOD USING CHANNEL MERGING - Provided is a multicasting Video on Demand (VOD) service system and method using channel merging. The multicasting VOD service system using channel merging may include: a video server to transmit a stream at a speed higher than a playback rate, and to merge at least two input/output (I/O) stream channels when the at least two I/O stream channel transmit the same content; a channel processor to calculate a high transmission speed for combining two channels having different playback points in times, and to request the video server for a high speed transmission including the calculated high transmission rate; and a terminal equipment to store a stream content received at the speed higher than the playback rate, and to play the stored stream content. | 06-23-2011 |
20110153079 | APPARATUS AND METHOD FOR DISTRIBUTING AND MONITORING ROBOT APPLICATION AND ROBOT DRIVEN THEREBY - Provided is a technology that effectively distributes and monitors the execution of robot application to allow a plurality of robots to perform tasks in cooperation with each other. An apparatus for distributing and monitoring robot application according to an embodiment of the present invention comprises: a robot information manager managing information of a plurality of robots constituted by a plurality of nodes classified by a driving function; a robot application generator generating the robot application combining a plurality of components for driving the plurality of robots; and a robot application controller distributing the robot application to the plurality of robots on the basis of the information of the plurality of robots and receiving execution monitoring information of the robot application. | 06-23-2011 |
20110152636 | PORTABLE DEVICE FOR CALCULATING CONSUMED CALORIES - A portable device for measuring a consumed calories includes: a respiration measurement device measuring an amount of air inhaled into a user's nose to acquire and output a respiration signal; a plurality of movement detection devices acquiring and outputting acceleration signals reflecting (or indicating) the magnitude and direction of a movement of each part of the user's body; and a controller recognizing the amount of a user's movements and movement patterns by analyzing the acceleration signal, recognizing an intensity of an exercise by analyzing the respiration signal, and calculating a consumed calories in consideration of the amount of the user's movements, the movement patterns, and the intensity of exercise. A user's consumed calories can be precisely calculated by recognizing the user's movement and even the user's respiration rate. | 06-23-2011 |
20110151857 | SYSTEM AND METHOD FOR RADIO ACCESS IN RECONFIGURABLE WIRELESS COMMUNICATION SYSTEM - A system for radio access in a wireless communication system, in which a number of RATs exist, includes: a RAS configured to share radio environment information and the RATs with an adjacent RAS using a macroband SPC, the RAS being reconfigurable in conformity with the RATs; and a RMS configured to transmit/receive the radio environment information and the RATs to/from the RAS using a microband SPC and access the RAS using the microband SPC, the RMS being reconfigurable in conformity with RAT of the accessed RAS. | 06-23-2011 |
20110151809 | APPARATUS AND METHOD FOR ANALYZING CHANNEL USING TRANSMITTER IDENTIFICATION SIGNAL - Provided is a channel analysis apparatus and method using a transmitter identification signal. The channel analysis apparatus using the transmitter identification signal may include a reference signal generating unit to generate a reference signal, a correlation unit to correlate a received signal and the reference signal to calculate a correlation value, an interpolation unit to interpolate the calculated correlation value, and an analysis unit to analyze the received signal using the interpolated correlation value. | 06-23-2011 |
20110148738 | OPENING/CLOSING TYPE ELECTROMAGNETIC WAVE ABSORBING DEVICE - An opening/closing type electromagnetic wave absorbing device is provided. The opening/closing type electromagnetic wave absorbing device includes, a plurality of electromagnetic band gap (EBG) unit cells each of which is polygonal and selectively transmits or reflects a wave with a predetermined frequency and an opening/closing means on which the plurality of EBG unit cells are periodically arranged to selectively open and close a limited space, wherein each of the plurality of EBG unit cells includes a metallic conductive ground layer; a dielectric layer formed on the metallic conductive ground layer; an EBG unit cell pattern layer formed of a resistive material on the dielectric layer. | 06-23-2011 |
20110146322 | TRANSPORTATION APPARATUS HAVING INDUCED FREEZING RAIL SYSTEM - A transportation apparatus configured to travel on rails and having an induced freezing rail system includes: a transportation vehicle having a support unit configured to support a frame from the rails; and a freezing rail system comprising freezing rails positioned on a ground surface corresponding to the support unit of the transportation vehicle, the freezing rails having a refrigerant and cooling devices. | 06-23-2011 |
20110137807 | MODEL-BASED CUSTOMIZED ECO SYSTEM AND DESIGN METHOD THEREOF - A model-based customized eco system includes: a work distribution unit for managing a download of a developed work of an embedded software platform; a shared asset management unit for managing a users' upload of a modified version of the developed work; a user support unit for receiving users' opinions about the developed work; and a repository management unit for managing information on the users and the developed work. | 06-09-2011 |
20110134818 | LOW-POWER METHOD FOR MEDIA ACCESS CONTROL IN SEMI-LINEAR SENSOR NETWORK - A low-power method for media access control on a semi-linear sensor network with multiple sensor nodes, includes: sensing a channel after waking up from a sleep mode by an arbitrary transmission sensor node that has obtained data; and generating a long preamble including a number of element preambles and sending to a destination sensor node after said channel sensing. This method further includes: sending said data to said destination sensor node after completion of transmission of said long preamble; and identifying duty cycle information of said destination sensor node after completion of transmission of said data and adjusting the number of said element preambles according to said duty cycle information. | 06-09-2011 |
20110106413 | APPARATUS AND METHOD FOR IDLING CONTROL OF A VEHICLE - An idling control apparatus for a vehicle includes an engine control unit for determining an idling state of the vehicle, in which the vehicle is stopped while an engine is in a turned-on state, to control the engine of the vehicle based on information of a traffic signal. The engine control unit maintains the turned-on state of the engine or turns off the engine depending on a residual time of the traffic signal when it is determined that the vehicle is in the idling state. Further, the engine control unit turns off the engine of the vehicle when a stop time of the vehicle is longer than a predetermined idling time limit, wherein the stop time is calculated by subtracting from a point in current time by a point in time at which it is determined that the vehicle is in the idling state. | 05-05-2011 |
20110073183 | REFLECT-ARRAY LENS FOR SOLAR CELL AND SOLAR CELL MODULE HAVING REFLECT-ARRAY LENS - Disclosed are a reflect-array lens (or a planar lens) and a solar cell module having the same. The reflect-array lens for a solar cell includes: a planar dielectric substrate having a first permittivity, wherein a plurality of recesses are formed on one surface of the planar dielectric substrate and filled with a dielectric having a second permittivity different from the first permittivity. The reflect-array lens can be easily fabricated and has an excellent concentration degree, and the solar cell module having the reflect-array lens has improved photoelectric conversion efficiency. | 03-31-2011 |
20110040493 | SYSTEM AND METHOD FOR MONITORING GREENHOUSE GAS - A greenhouse gas monitoring system collects information about greenhouse gas and analyzes a greenhouse gas emissions distribution using the collected information about greenhouse gas. Thereafter, the greenhouse gas monitoring system generates a greenhouse gas distribution map by mapping the greenhouse gas emissions distribution to a three-dimensional digital map and provides the greenhouse gas distribution map to the user according to a user's request. | 02-17-2011 |
20100320596 | METHOD FOR FABRICATING SEMICONDUCTOR PACKAGE AND SEMICONDUCTOR PACKAGE USING THE SAME - Provided is a method for fabricating semiconductor package and a semiconductor package fabricated using the same. The method for fabricating semiconductor package dopes a mixture including the polymer material and the solder particle on the substrate in which the terminal is formed and applies heat, and thus the solder particle flows (or diffuses) toward the terminal in the heated polymer resin to adhere to the exposed surface of the terminal, i.e., the side surface and upper surface of the terminal, thereby forming the solder layer. The solder layer improves the adhesive strength between the terminal of the semiconductor chip and the terminal of the substrate in the subsequent flip chip bonding process. | 12-23-2010 |
20100315486 | STEREOSCOPIC VIDEO SERVICE PROVIDING/RECEIVING METHOD AND APPARATUS IN DIGITAL BROADCASTING SYSTEM - Provided is a stereoscopic video service providing method using a stereoscopic video stream including first and second video streams in a digital broadcasting system. The stereoscopic video service providing method includes: generating information on the first video stream and information on the second video stream; inserting an identifier of the information on the second video stream into the information on the first video stream; and transmitting the first video stream and the information on the first video stream and the second video stream and the information on the second video stream through separate transmission channels, respectively. | 12-16-2010 |
20100301678 | ELECTRIC DEVICE, WIRELESS POWER TRANSMISSION DEVICE, AND POWER TRANSMISSION METHOD THEREOF - Provided is a wireless power transmission device. The wireless power transmission device includes a power coil in which a high frequency current is applied, a transmission coil in which the high frequency current is induced by magnetic induction, the transmission coil configured to generate an non-radiative electromagnetic wave when the transmission coil has the same resonant frequency as an at least one external target device, and a resonant frequency regulator configured to regulate the resonant frequency of the transmission coil. The wireless power transmission device can transmit the power when it has the same resonant frequency as the target device. Therefore, the overheating due to an eddy current may not occur, and the design may be easily varied. | 12-02-2010 |
20100241756 | METHOD OF AUTHENTICATION CONTROL OF ACCESS NETWORK IN HANDOVER OF MOBILE NODE, AND SYSTEM THEREOF - Provided are a method and a system for controlling access authentication in the process of a handover. The method of controlling access authentication in the process of handover of a mobile node in a network that consists of a core network and a plurality of access networks, the method comprising: when the mobile node initially accesses a first access network, performing access authentication of the mobile node and registering and managing the authentication information by using a user profile server, and searching for a host channel adaptor adjacent to the mobile node and transmitting identification, a profile, and authentication information of the mobile node to a network access server, in which the searched host channel adaptor is mounted, by using a mobility control server; when the mobile node moves to a second access network, performing a handover procedure and performing re-access authentication procedure by transferring authentication information regarding the handover to a network access server which is included in the second access network; and after performing the re-access authentication procedure, searching for a host channel adaptor adjacent to the mobile node and transmitting authentication information to a network access server which includes the searched host channel adaptor by using the mobility control server. Accordingly, an access delay time in the process of a handover can be reduced. | 09-23-2010 |
20100177757 | METHOD FOR SETTING TRANSMISSION OPPORTUNITY AND FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS LAN SYSTEM USING MULTIPLE CHANNEL - A transmission opportunity setting method in a wireless LAN system using multiple channels includes: receiving a request-to-send (RTS) frame from a wireless station, the RTS frame including information on a wireless LAN mode of the wireless station; and transmitting a clear-to-send (CTS) frame to the wireless station according to at least one of the number of remaining available channels among the multiple channels and the wireless LAN mode of the wireless station. | 07-15-2010 |
20100164425 | SENSOR SIGNAL ESTIMATOR AND MOTOR CONTROLLER FOR STABILIZATION OF TRACKING ANTENNA - Provided is an apparatus and method for estimating sensor signals to stabilize a posture of a mobile satellite tracking antenna. The apparatus includes: an angular velocity estimating unit for estimating an angular velocity signal by removing an error signal generated from an input angular velocity sensor signal through a first low frequency band filtering operation; and an inclination angle estimating unit for estimating an inclination angle signal by receiving an inclination angle sensor signal, extracting low frequency component of inclination angle signal through performing a second low frequency band filtering operating on the received inclination angle sensor signal, obtaining an inclination angle integrating signal through integrating the estimated angular velocity signal, extracting high frequency component of inclination angle signal through performing a high frequency band filtering operation on the inclination angle integrating signal, and adding the extracted low frequency component and high frequency component of inclination angle signal. | 07-01-2010 |
20100160184 | CROSS TYPE MAGNETIC ARRAY SENSORS FOR BIOMOLECULES MAGNETIC BEAD DETECTION - There is provided a cross-type magnetic array sensor for biomolecules magnetic bead detection having a structure of various types, which can be used as a high-sensitivity and high-density magnetic biosensor. Since a vertical output voltage vertically crossing an applied current direction can be measured, it is possible to measure high-sensitivity magnetic-field variation in comparison with a known magnetic bead detection device that measures an output voltage parallel to the applied current direction. As a result, a magnetic bead magnetic-field detection device having a high signal-to-noise ratio can be achieved. Further, since the cross-type magnetic array sensors for biomolecules magnetic bead detection measure a vertical voltage, magnetic beads can be magnetized by an applied current induction magnetic field that is generated by an applied current without a magnetic field applied from the outside. | 06-24-2010 |
20100158252 | POLARIZATION CODING QUANTUM CRYPTOGRAPHY SYSTEM - Provided is a polarization coding quantum cryptography system. The quantum cryptography includes a light source, a quantum channel, an optical path selector, and a path-dependent polarization selector. The light source generates a signal light. The quantum channel is used as a path to transmit the signal light to a receiver unit. The optical path selector is disposed between the light source and the quantum channel to transmit the signal light to one of a plurality of propagation paths. The path-dependent polarization selector is disposed between the optical path selector and the quantum channel. Herein, the path-dependent polarization selector is configured to determine the polarization direction of the signal light according to the propagation path of the signal light. | 06-24-2010 |
20100157295 | MEASUREMENT DEVICE EQUIPPED WITH DEVICE FOR DECIDING MEASUREMENT START POINT - Provided is a measurement device. The measurement device includes a sensor, a wavelength-tunable light source, an additional light source, a coupler, and an optical power measurer. The sensor accepts a sample. The wavelength-tunable light source irradiates wavelength-tunable light to detect a reaction of the sensor. The additional light source irradiates wavelength-fixed light to detect an initial time of the reaction. The coupler combines the wavelength-tunable light source and the additional light source and irradiates the combined input light on the sensor. The optical power measurer detects the reaction of the sensor from an output light transmitted through or reflected by the sensor. | 06-24-2010 |
20100150070 | SENSOR NODE HAVING SELF LOCALIZATION FUNCTION AND SELF LOCALIZATION METHOD THEREOF - Disclosed are a sensor node having a self localization function and a self localization method of the sensor node. The sensor node calculates a location thereof by receiving location information measured at each of two mobile nodes at different times and using four location information of the received location information. Additional cost and power consumption required for installing additional equipment such as an anchor node, a ultrasonic transceiver and a signal amplifier are reduced. | 06-17-2010 |
20100147059 | METHOD AND APPARATUS FOR MEASURING REDUCTION OF GREENHOUSE GAS BY IDLING STOP - Provided are a method and an apparatus that make is possible to measure the amount of greenhouse gas reduced for the stop time of an engine stopped while a vehicle idles. A first amount of fuel consumed in an engine is measured before the engine of a vehicle idling stops. A second amount of fuel consumed for restarting the engine, which is stopped, by idling of the vehicle is measured. Exhaust reduction of greenhouse gas is calculated from idle stop of the vehicle to engine restart, on the basis of the first and second amount of fuel consumed and an engine stop-continued time from an ECU. | 06-17-2010 |
20100146634 | DATA PROTECTION DEVICE AND METHOD - Provided is a data protecting device and method. When a specific application requests an access to sealed data, an operating system generates application identity information without interruption by the corresponding application, and writes the generated application identity information in a platform configuration register that can be reset in a trusted platform module. Upon having received the unsealing request, the trusted platform module transmits data to the application when the unsealing condition included in the sealed data block corresponds to the state value of the currently operated platform written in a platform configuration register in the trusted platform module. | 06-10-2010 |
20100138599 | SYSTEM AND METHOD FOR MATCHING PATTERNS - A pattern matching system detects strings contained in a target pattern to be detected within a data stream input by 1-byte data, and detects a regular expression representing the target pattern among regular expressions constructed by the detected strings. | 06-03-2010 |
20100131651 | METHOD AND SYSTEM FOR ADAPTIVE RESOURCE MANAGEMENT FOR FUTURE INTERNET - When a virtual network environment is established using resources on a network in order for a user to perform an arbitrary test service in the future Internet that is emerging as a replacement of the current Internet, resources having characteristics desired by the user are selected from among a number of resources on the network, and a resource capable of exhibiting an optimum performance is effectively selected from the selected resources. | 05-27-2010 |
20100125608 | ROTATION BASED TRANSFORMATION METHOD AND APPARATUS FOR PRESERVING DATA PRIVACY - The present invention includes a rotation based transformation method for preserving data privacy. A rotation based transformation method according to an embodiment of the present invention divides a given data set into a plurality of data subsets, applies a plurality of different rotation matrixes to the plurality of divided data subsets, respectively, to rotate the plurality of data subsets, and re-concatenates the plurality of rotated data subsets to generate a rotated data set. The rotated data set is released and used for data clustering. The rotation based transformation method is effectively used when the impact of the AK-ICA attack is mitigated. Meanwhile, when the two parties are related to the present invention, the two parties need to agree on parameters, such as the number of data subsets. It is preferable that the data subsets be divided into equal sizes. Further, rotation-unification work that removes relative rotation deviation between the plurality of different rotation matrices can be performed in order to provide valid clustering between the data subsets rotated using the different rotation matrixes. | 05-20-2010 |
20100117832 | SYSTEM AND METHOD FOR MANAGING INFORMATION OF LOADING GOODS - Disclosed is an information managing system and method according to goods loading. The information managing system includes a first antenna for identifying a first tag included by transportation means, a second antenna for identifying a second tag included by goods, a reader for generating tag information which is identification results generated by respectively identifying the corresponding tags through the first antenna and the second antenna, and a control device for mapping information of the first tag and information of the second tag based on the tag information. | 05-13-2010 |
20100085154 | METHOD AND DEVICE OF FORMING RFID VIRTUAL TAG AND METHOD FOR RECEIVING CONTENTS USING THE SAME - Provided is a radio frequency identification (RFID) tag generating method and device, and a contents receiving method using the same. The contents receiving method using the RFID tag generating device includes: a terminal detecting a virtual tag corresponding to contents; receiving a password to be used once, corresponding to the virtual tag; authenticating a user by determining whether the password to be used once corresponds to a password input by the user; receiving an identification code of the virtual tag when the password to be used once corresponds to a password input by the user; and receiving the contents matching the identification code of the virtual tag, and providing the same to the user. | 04-08-2010 |
20100048002 | SILICON NITRIDE LAYER FOR LIGHT EMITTING DEVICE, LIGHT EMITTING DEVICE USING THE SAME, AND METHOD OF FORMING SILICON NITRIDE LAYER FOR LIGHT EMITTING DEVICE - Provided are a silicon nitride layer for a light emitting device, light emitting device using the same, and method of forming the silicon nitride layer for the light emitting device. The silicon nitride layer of the light emitting device includes a silicon nitride matrix and silicon nanocrystals formed in the silicon nitride matrix. A light emitting device manufactured by the silicon nitride layer has a good luminous efficiency and emits light in the visible region including the short-wavelength blue/violet region and the near infrared region. | 02-25-2010 |
20100007743 | FRAME SYNCHRONIZATION AND STRUCTURE DETECTION METHOD IN DVB-S2 SYSTEM - Provided is a method for detecting frame sync and frame structure in a satellite broadcasting system. The method for detecting frame sync and frame structure includes the steps of: calculating differential correlation values of reception symbols; generating index sequences of reception symbols whose differential correlation values calculated above exceed a threshold value; calculating positions estimated as frame start points which correspond to a total frame number based on the number of symbols per frame for each frame structure; and detecting frame sync and frame structure based on the umber of positions where the above-calculated frame start point estimated positions and the above-generated index sequences are matched. | 01-14-2010 |
20090158394 | SUPER PEER BASED PEER-TO-PEER NETWORK SYSTEM AND PEER AUTHENTICATION METHOD THEREOF - Provided are a super peer based P2P network system and a peer authentication method thereof. The authentication method includes a first authentication process and a second authentication process. In the first authentication process, a user and a peer which want to use a P2P network are verified by submitting authentication information and a public key infrastructure (PKI) certificate, and receive the permission of connection. In the second authentication process, a user and a peer requesting the use of a specific service are authenticated by using an authentication ticket and a service access-permitted time is limited in order to reinforcing the security of the specific service, which is searched in the P2P network and provided by the peer. Accordingly, the service providers can verify users more securely and limit the service available time of each user with respect to a specific service provided by the peer by using the lifetime of the ticket. | 06-18-2009 |
20090150644 | APPARATUS AND METHOD FOR REDUCING MEMORY ACCESS CONFLICT - Provided are an apparatus and a method of reducing memory access conflict. An apparatus for reducing memory access conflict when a plurality of data processing elements perform simultaneous access to a memory including a plurality of pages, each of which includes a plurality of subpages, the apparatus comprising: an access arbiter mapping a subpage division address corresponding to least significant bits of a memory access address received from each of the data processing elements to another address having a same number of bits as the subpage division address in order for data to be output from each of the subpages in a corresponding page at a time of the simultaneous access; and a selector, prepared for each of the pages, selecting to output one of the data output from the subpages using the mapped results. | 06-11-2009 |
20090146136 | ORGANIC MEMORY DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a highly integrated organic memory device and a method of fabricating the same. The device includes an insulating substrate, a lower electrode disposed on the insulating substrate, an electron channel layer disposed on the lower electrode, and an upper electrode disposed on the electron channel layer. A bulk heterojunction formed of an electron-donor/electron-acceptor polymer is used as the electron channel layer having electrical bistability. Thus, a highly integrated organic memory device can be formed by a simple fabrication process. | 06-11-2009 |
20090141021 | METHOD AND SYSTEM FOR PROVIDING EXPERIENTIAL KNOWLEDGE ASSOCIATED WITH SPATIAL AND TEMPORAL INFORMATION - A method for providing knowledge includes creating a three-dimensional virtual space, generating temporal and spatial information including knowledge and space information concerning the three-dimensional virtual space at a specific time point, and associating the temporal and spatial information with the three-dimensional virtual space to be stored in a memory. The creating the three-dimensional virtual space may be created based on a map or a two-dimensional image. | 06-04-2009 |
20080279426 | SYSTEM AND METHOD FOR VERIFYING FACE OF USER USING LIGHT MASK - A system and method for verifying the face of a user using a light mask are provided. The system includes a facial feature extraction unit for extracting a facial feature vector from a facial image received from a camera. A non-user Gaussian Mixture Model (GMM) configuration unit generates a non-user GMM from a facial image stored in a non-user database (DB). A user GMM configuration unit generates a user GMM by applying light masks to a facial image stored in a user DB. A log-likelihood value calculation unit inputs the facial feature vector both to the non-user GMM and to the user GMM, thus calculating log-likelihood values. A user verification unit compares the calculated log-likelihood values with a predetermined threshold, thus verifying whether the received facial image is a facial image of the user. | 11-13-2008 |