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| 20090135164 | POINTING APPARATUS CAPABLE OF PROVIDING HAPTIC FEEDBACK, AND HAPTIC INTERACTION SYSTEM AND METHOD USING THE SAME - Provided are a pointing apparatus capable of providing haptic feedback, and a haptic interaction system and method using the same. The pointing apparatus includes a wireless communication unit, a controller, and a haptic stimulator. The wireless communication unit receives an event including haptic output information through wireless communication with the outside. The controller generates a control signal for reproducing a haptic pattern corresponding to the haptic output information. The haptic stimulator reproduces the haptic pattern by means of the control signal. Thus, it is possible to increase the performance and usability of a user interface of a user terminal including a touch screen. | 05-28-2009 |
| 20100174729 | SYSTEM AND METHOD OF RECOLLECTION USING THE SEARCH OF RECORDS OF THE PAST - A system of recollection using the search of records of the past, includes a database (DB) device storing records of individual's past events and things, a search computing device for making a search request in response to a user's request, a server computing device for searching the DB device in response to the search request to extract result data, and a presentation computing device for integrating and presenting the result data extracted from the server computing device by using multisensory elements. | 07-08-2010 |
| 20100217595 | Method For Emotion Recognition Based On Minimum Classification Error - Disclosed herein is a method for emotion recognition based on a minimum classification error. In the method, a speaker's neutral emotion is extracted using a Gaussian mixture model (GMM), other emotions except the neutral emotion are classified using the Gaussian Mixture Model to which a discriminative weight for minimizing the loss function of a classification error for the feature vector for emotion recognition is applied. In the emotion recognition, the emotion recognition is performed by applying a discriminative weight evaluated using the Gaussian Mixture Model based on minimum classification error to feature vectors of the emotion classified with difficult, thereby enhancing the performance of emotion recognition. | 08-26-2010 |
| 20100270089 | COMPACT TACTILE INPUT AND OUTPUT APPARATUS - An apparatus for transmitting information in the form of a tactile sense is provided. Particularly, a tactile-sense input/output motor and a tactile-sense input/output apparatus using the tactile-sense input/output motor are provided. A tactile-sense input/output housing having a plurality of tactile-sense input/output motors, each of which performs a linear motion according to an ultrasonic electrical signal to transmit a tactile sense to a contact surface and senses a pressure of the contact surface to output a tactile-sense input signal is used for portable apparatuses, wrist wearable devices, rings, or other various apparatuses so as to transmit information through a tactile sense. | 10-28-2010 |
| 20100274774 | DIGITAL DATA TAGGING APPARATUS, SYSTEM AND METHOD FOR PROVIDING TAGGING AND SEARCH SERVICE USING SENSORY AND ENVIRONMENTAL INFORMATION - Provided are a digital data tagging apparatus for generating sensory and environmental information as a tag and endowing digital data with the sensory and environmental information that is automatically extracted using sensory sensor data and environmental sensor data, all of which are sensed by humans through their sensory organs, and a system and method for providing a tagging and search service using sensory and environmental information. The digital data tagging apparatus, and the system and method for providing a tagging and search service may be useful to enable users to search and use digital data more effectively and abundantly through the later use of the sensory and environmental information by collectively recognizing sensory and environmental information and automatically or manually endowing digital data with the recognized sensory and environmental information as a tag, wherein the sensory and environmental information are sensed by humans through their sensory sensors such as an olfactory sensor, a taste sensor and a tactile sensor; an environmental sensor such as temperature, humidity, illumination intensity and wind speed sensors, etc., as well as a camera or a mic. | 10-28-2010 |
| 20110301970 | METHOD FOR SUPPORTING SERVICE BASED ON INFORMATION TERMINAL AND SYSTEM FOR SUPPORTING SERVICE USING THE METHOD - In the present invention, an information terminal with a high-performance graphic and a processor accesses the server providing a predetermined service of a predetermined institution through a wired/wireless communication network to provide a service to virtually experience the predetermined service in advance in the virtual reality and additional information associated with the predetermined service is provided through the augmented reality in real time to allow the user to conveniently use a predetermined complicated service provided from the predetermined institution. | 12-08-2011 |
| 20120044338 | VISUAL AIDING SYSTEM BASED ON ANALYSIS OF VISUAL ATTENTION AND VISUAL AIDING METHOD FOR USING ANALYSIS OF VISUAL ATTENTION - Disclosed are a visual aiding system and a visual aiding method using analysis of user's visual attention. In the visual aiding system and method, by tracking user's pupil of eyes, user's focus information which is tracking information is matched (integrated) with an external image corresponding to a front region observed by a user. Thereafter, by using distribution of the eyes' focus information matched with an external image, a visual attention image block observed by the user is extracted from the external image. Thereafter, the extracted visual attention image block is enlarged with a predetermined multiple and provided to the user. | 02-23-2012 |
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| 20100021779 | SOLID OXIDE FUEL CELL SYSTEM INTEGRATED WITH REFORMER - The present invention relates to a solid oxide fuel cell, in which an external reformer is integrated with a solid oxide fuel cell stack, thereby efficiently controlling heat and simplifying a system structure thereof. | 01-28-2010 |
| 20100062302 | METAL SUPPORT AND SOLID OXIDE FUEL CELL INCLUDING THE SAME - Disclosed are a metal support for a solid oxide fuel cell and the solid oxide fuel cell including the metal support. The metal support is coupled to a separator of the solid oxide fuel cell by welding and supports one surface of a unit cell comprising a fuel electrode, an air electrode, and an electrolyte layer interposed between the fuel and air electrodes, wherein the metal support is in the form of a plate and has a welding portion welded to the separator on the outer circumference thereof and a hollow portion surrounded by the welding portion to allow a fuel gas or air to flow therethrough. The use of the metal support increases the mechanical strength of the solid oxide fuel cell, resulting in improved durability and extended service life of the solid oxide fuel cell. In addition, the metal support ensures a smooth flow of the fuel gas or air, resulting in an increase in the sealing efficiency and energy production efficiency of the solid oxide fuel cell. | 03-11-2010 |
| 20100062303 | METAL-SUPPORTED SOLID OXIDE FUEL CELL AND MANUFACTURING METHOD THEREOF - Disclosed are a metal-supported solid oxide fuel cell and a method for manufacturing the metal-supported solid oxide fuel cell. The method includes: fixedly joining a metal support to one surface of a unit cell including a fuel electrode, an air electrode and an electrolyte layer interposed between the fuel and air electrodes to fabricate a metal-supported unit cell (S | 03-11-2010 |
| 20100186220 | FABRICATION METHOD OF METAL SUPPORTED SOLID OXIDE FUEL CELL - Provided is a fabrication method of a metal supported solid oxide fuel cell (SOFC) which comprises a metal supporter, and an anode layer, an electrolyte and a cathode layer stacked in turn on the metal supporter. The fabrication method includes forming the anode layer and the electrolyte on the metal supporter; forming the green cathode layer by coating on the electrolyte a cathode slurry containing a cathode material; and in-situ sintering the green cathode layer by a normal operation of the metal supported SOFC. | 07-29-2010 |
| 20110104584 | METAL SUPPORTED SOLID OXIDE FUEL CELL - Provided is a metal supported solid oxide fuel cell in which a metal supported cell formed at one side or both sides of a unit cell is directly welded to a separation plate so as to achieve sealing therebetween, thereby preventing fuel gas and air from being leaked or mixed before reaction, and the fuel gas and air are supplied through each assigned passage so as to increase energy production efficiency and also remarkably enhance durability and sealing efficiency. The metal supported SOFC includes a unit cell | 05-05-2011 |
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| 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 |
| 20110018670 | ELECTRONIC DEVICE INCLUDING LTCC INDUCTOR - Provided is an electronic device that includes an LTCC inductor including a first sheet disposed on a substrate and including a first conductive pattern, a second sheet disposed on the first sheet and including a second conductive pattern, and a via electrically connecting the first conductive pattern to the second conductive pattern, and a spacer disposed on a lower surface of the first sheet to provide an air gap between the substrate and the first sheet, wherein the first conductive pattern is exposed out of the lower surface of the first sheet. | 01-27-2011 |
| 20110090651 | PACKAGE STRUCTURE - Provided is a package structure. The package structure includes a first substrate, a first device, a second substrate, a first via contact, and at least one second device. The first device is formed on the first substrate. The second substrate has an air gap over the first substrate and covers the first device. The first via contact is connected to the first device through the second substrate. At least one second device is electrically connected to the first via contact, and is stacked on the second substrate. | 04-21-2011 |
| 20110115036 | DEVICE PACKAGES AND METHODS OF FABRICATING THE SAME - Provided is a method for fabricating a device package. The method includes: preparing a substrate where respectively corresponding device structures and input and output pads are disposed on an active surface; preparing a carrier substrate where a metal lid corresponding to the device structure is disposed on one surface; and contacting the active surface of the substrate with the metal lid of the carrier substrate to cover and seal the device structure corresponding to the metal lid. | 05-19-2011 |
| 20110227228 | FILLING COMPOSITION, SEMICONDUCTOR DEVICE INCLUDING THE SAME, AND METHOD OF FABRICATING THE SEMICONDUCTOR DEVICE - Provided is a filling composition. The filling composition includes: a first particle including Cu and/or Ag; a second particle electrically connecting the first particles; and a resin containing a high molecular compound, a hardener, and a reducer, in which the first and second particles are dispersed, wherein the hardener includes amine and/or anhydride, and the reducer includes carboxyl. | 09-22-2011 |
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| 20100070963 | MOBILE COMMUNICATION TERMINAL AND METHOD OF UPDATING SOFTWARE THEREOF - There is provided mobile communication terminals and a method of updating software of the same. A method of updating software of mobile communication terminals includes, when software providers provide one or more pieces of update software for updating software of mobile communication terminals, creating a broadcast message including information about each piece of the update software, broadcasting the broadcast message to each of the mobile communication terminals over a wireless communication network, and, when a request to update the software of the mobile communication terminals is received from each of the mobile communication terminals that have received the broadcast message, providing a piece of corresponding update software to each of the corresponding mobile communication terminals over the wireless communication network. Accordingly, mobile communication terminals can be prevented from accessing a network unnecessarily, and ineffective use of wireless resources can be reduced. | 03-18-2010 |
| 20110141972 | TNL CONNECTION SETUP METHOD AND APPARATUS FOR BASE STATION USING DOWNLINK RECEIVER - A Transport Network Layer (TNL) connection setup method for a base station includes monitoring Physical Cell Identity (PCI) values of neighboring cells. When it is monitored that the PCI values are changed, IP addresses of neighboring base stations corresponding to the changed PCI values are acquired. Thereafter, it is determined whether it is necessary to perform a new TNL connection setup with respect to other neighboring base stations, based on the changed PCI values and the acquired IP addresses. When it is determined that it is necessary to perform the new TNL connection setup, the TNL connection setup is performed with the acquired IP addresses. | 06-16-2011 |
| 20110142004 | SMALL BASE STATION APPARATUS AND CELL SEARCH METHOD - A small base station apparatus includes: a communication unit for collecting system information of a neighboring cell through mobile communication terminals being connected to a cell of the small base station apparatus; a memory unit for storing the system information of the neighboring cell; and a controller for checking whether or not a mobile communication terminal is allowed a handover connection to the neighboring cell based on the system information of the neighboring cell, registering the neighboring cell in a handover candidate list of the mobile communication terminal if the mobile communication terminal is allowed the handover connection, selecting one of neighboring cells registered in the handover candidate list, and performing handover of the mobile communication terminal to the selected neighboring cell. | 06-16-2011 |
| 20110143737 | METHOD FOR ESTABLISHING BASE STATION INFORMATION OF FEMTOCELL BASE STATION, AND FEMTOCELL BASE STATION APPLIED THEREWITH - A method for setting base station information of a femtocell base station includes: upon a power application to the femtocell base station, setting all or some of terminals accessing the femtocell base station as console terminals; and receiving a radio environment parameter related to radio environment around each console terminal from the console terminals through a communication interface unit. The method further includes setting the base station information including an operation mode of the femtocell base station and a cell identifier of a femtocell covered by the femtocell base station based on the first radio environment parameter. | 06-16-2011 |
| 20110143758 | METHOD OF HANDOVER BETWEEN PRIVATE BASE STATIONS - A method acquires load status information of an adjacent private base station to perform handover between private base stations. The method includes: receiving the load status information from a terminal that has received base station system information which includes the load status information, indicating the status of radio resource use of the adjacent base station, with the system information having been broadcast by the adjacent private base station, and storing the received load status information of the adjacent base station. | 06-16-2011 |
| 20110143783 | METHOD AND APPARATUS FOR PAGING OPTIMIZATION OF BASE STATION SUPPORTING HYBRID CELL - A method for paging optimization in a communication system having one or more base stations and one or more mobile stations within a paging target cell, includes detecting a hybrid base station supporting a hybrid cell from the one or more base stations; and determining whether or not one or more mobile stations registered in the hybrid cell include only closed subscriber group (CSG) members, and defining an operating state of the hybrid base station based on the determination result. The method further includes determining whether or not each of the one or more base stations is included in paging targets based on the operating state of the hybrid base station. | 06-16-2011 |
| 20110151907 | METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE BETWEEN BASE STATIONS - A method for controlling interference between base stations in a radio communication system in which an indirect interface for indirectly connecting the base stations exists and an direct interface for directly connecting the base stations does not exist, the method includes: converting a first interference control message used in the direct interface into a format of a protocol of the indirect interface to thereby generate a second interference control message; and transmitting the second interference control message through the indirect interface. | 06-23-2011 |
| 20110151920 | HANDOVER CONTROLLING METHOD AND APPARATUS - A method for controlling a handover from a source base station to a target base station determines whether a direct interface connecting the source base station and the target base station exists, compares a link latency of the direct interface with a link latency of an indirect interface connecting the source base station and the target base station when it is determined that the direct interface exists, and selects a handover execution interface, between the direct interface and the indirect interface, based on the comparison result. | 06-23-2011 |
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| 20100134336 | CODEC PLATFORM APPARATUS - A codec platform apparatus which can perform encoding or decoding regardless of a sampling frequency supported by a codec platform is provided. The codec platform apparatus includes an analog-to-digital converter (ADC) converting an analog input signal into a digital signal by sampling the analog input signal at a codec platform sampling frequency; a sampling frequency converter converting the digital signal provided by the ADC into a digital signal having a codec sampling frequency; and an encoder generating a bit stream by compressing the digital signal provided by the sampling frequency converter. Since there is no need to adopt a new codec platform even when an existing codec platform does not support the sampling frequency of a new codec, there is no need to implant the new codec. Therefore, it is possible to improve user satisfaction. | 06-03-2010 |
| 20100150121 | FIXED MOBILE CONVERGENCE COMMUNICATION APPARATUS USING WIDEBAND VOICE CODEC - A fixed mobile convergence (FMC) communication apparatus using a wideband audio codec is provided. The FMC communication apparatus includes an application processor which is capable of processing one or more wireless communication protocols and supports a wideband audio codec; a wideband audio signal input/output (I/O) unit which is connected to the application processor and processes the input and output of wideband audio signals; a mobile network access unit which is connected to the application processor and accesses a mobile communication network; and a wireless local area network (LAN) access unit which is connected to the application processor and wirelessly accesses an access point (AP). The FMC communication apparatus can access the base station of a mobile internet system or the base station of a mobile communication system. In addition, the FMC communication apparatus can access a Bluetooth device or an AP using a short-range wireless communication method. Moreover, the FMC communication apparatus can provide high-quality voice call services and various multimedia internet services by using a wideband audio codec. | 06-17-2010 |
| 20100157962 | METHOD FOR TRANSMITTING AND RECEIVING FRAME IN WIRELESS LAN - The transmission delay of a voice frame can be reduced by performing internal collision resolution and frame aggregation according to the presence or absence of a voice frame awaiting transmission in a MAC layer, thereby reducing an end-to-end voice transmission delay time for a VoIP service. | 06-24-2010 |
| 20100157984 | WIDEBAND VOIP TERMINAL - A wideband Voice over Internet Protocol (VoIP) terminal is provided. The wideband VoIP terminal includes a synchronous serial interface which processes audio data input thereto or output therefrom in series in synchronization with a clock; and an audio accelerator which encodes or decodes the audio data, wherein the synchronous serial interface includes a buffer buffering the audio data and a buffer controller controlling the buffer and the audio accelerator includes a memory storing the audio data processed by the synchronous serial interface under the control of the buffer controller, a memory controller controlling the memory and an encoder/decoder encoding/decoding the audio data. The wideband VoIP terminal can facilitate the input and output of data. | 06-24-2010 |
| 20100161320 | METHOD AND APPARATUS FOR ADAPTIVE SUB-BAND ALLOCATION OF SPECTRAL COEFFICIENTS - An apparatus and method for adaptive sub-band allocation of spectral coefficients are disclosed. The sizes of sub-bands are determined according to the distribution of spectral coefficients transformed from an input speech/audio signal to perform more elaborate quantization in units of sub-bands. Thus, quantization noise of the spectral coefficients is reduced, and sound quality in a frequency region is enhanced, thereby improving the quality of the signal. | 06-24-2010 |
| 20100161322 | ENCODING AND DECODING APPARATUSES FOR IMPROVING SOUND QUALITY OF G.711 CODEC - An encoding apparatus and a decoding apparatus for reducing the quantization error of a G.711 codec and improving sound quality are provided. The encoding apparatus includes a G.711 encoder which generates a G.711 bitstream by encoding an input audio signal; an enhancement-layer encoder which chooses one of a static bit allocation method and a dynamic bit allocation method that can produce less quantization error based on the input audio signal and the G.711 bitstream, and outputs an enhancement-layer bitstream including encoded additional mantissa information obtained by using the chosen bit allocation method; and a multiplexer which multiplexes the G.711 bitstream and the enhancement-layer bitstream. Therefore, it is possible to reduce the quantization error of a G.711 codec and improve sound quality. | 06-24-2010 |
| 20110178807 | METHOD AND APPARATUS FOR DECODING AUDIO SIGNAL - Provided are a method and an apparatus for decoding an audio signal. A method for decoding an audio signal encoded by a layered sinusoidal pulse coding scheme using one or more sinusoidal pulses includes decoding the encoded audio signal, setting a smoothing frequency band of the decoded audio signal according to a layer structure of the layered sinusoidal pulse coding scheme, dividing the smoothing frequency band into one or more subbands, and smoothing the decoded audio signal on a subband-by-subband basis. Accordingly, a decoding operation time can be reduced and the quality of a synthesized signal can be improved by variably setting a frequency band to be smoothed, when decoding an audio signal encoded by a layered sinusoidal pulse coding scheme using one or more sinusoidal pulses. | 07-21-2011 |
| 20110301961 | METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING ADAPTIVE SINUSOIDAL CODING - A method and an apparatus for encoding and decoding audio signals using adaptive sinusoidal coding are provided. The audio signal encoding method includes the steps of dividing a synthesized audio signal into a plurality of sub-bands, calculating the energy of each sub-band, selecting a predetermined number of sub-bands having a relatively large amount of energy from the sub-bands, and performing sinusoidal coding with regard to the selected sub-bands. Application of sinusoidal coding based on consideration of the amount of energy of each sub-band of the synthesized signal improves the quality of the synthesized signal more efficiently. | 12-08-2011 |
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| 20090086869 | METHOD AND SYSTEM OF RECEIVING TAG SIGNAL FROM RFID READER - Disclosed are a method and system for receiving a tag signal in a Radio Frequency Identification (RFID) reader. The method includes generating an edge signal using a tag signal received from an RFID tag; extracting edge information from the generated edge signal, and generating an edge clock corresponding to the extracted edge information; and determining bit data with respect to the tag signal using the generated edge clock. | 04-02-2009 |
| 20100026460 | APPARATUS AND METHOD FOR TRANSMIT LEAKAGE SIGNAL SUPPRESSION IN RFID READER - A method and apparatus for suppressing a transmit leakage signal of a radio frequency identification (RFID) reader is provided. The apparatus includes: a first power distributor distributing a transmission signal to output a first transmission signal and a second transmission signal; a second power distributor distributing the second transmission signal to output a third transmission signal and a fourth transmission signal; a first amplitude/phase converter converting an amplitude and a phase of the first transmission signal to generate a first converted signal; a second amplitude/phase converter converting an amplitude and a phase of the third transmission signal to generate a second converted signal; a first power combiner combining the first converted signal with a first leakage signal generated in association with the fourth transmission signal; and a second power combiner combining the second converted signal with a second leakage signal generated in association with the fourth transmission signal. | 02-04-2010 |
| 20100026582 | NEAR-FIELD RADIO FREQUENCY IDENTIFICATION READER ANTENNA - A near-field radio frequency identification (RFID) reader antenna includes: a plurality of pairs of slots being formed on a ground surface of a single dielectric layer to emit a field; and a micro-strip line being formed on another surface of the single dielectric layer and having an open end to feed the plurality of pairs of slots. | 02-04-2010 |
| 20100039227 | APPARATUS AND METHOD FOR DEMODULATING SUBCARRIER TAG SIGNAL IN RFID READER - An apparatus and a method for demodulating a subcarrier tag signal in a radio frequency identification (RFID) reader is provided. The apparatus for demodulating the subcarrier tag signal in the RFID reader may include: an edge signal generation unit receiving a subcarrier tag signal and generating an edge signal with respect to the tag signal; an edge information extraction unit extracting edge information from the generated edge signal; and a decoding unit decoding the tag signal using the extracted edge information. | 02-18-2010 |
| 20110064165 | DEMODULATION APPARATUS AND METHOD FOR RFID READER IN PASSIVE RFID ENVIRONMENT - A demodulation apparatus for a Radio Frequency Identification (RFID) reader includes: a direct current (DC) offset cancellation unit for cancelling DC-offset noise contained in a PSK-modulated or ASK-modulated subcarrier tag signal from the tag signal when the tag signal is received; and a subcarrier digital demodulator for eliminating a subcarrier from the tag signal from which DC-offset noise has been cancelled to demodulate the DC-offset noise-cancelled tag signal. | 03-17-2011 |
| 20110074555 | MOBILE RFID DEVICE AND DATA COMMUNICATION METHOD THEREOF - Provided are a mobile Radio Frequency Identification (RFID) device and a data communication method thereof. In the method, a mobile communication terminal unit provides a command to an mRFID reader unit and receives a response to the command from the mRFID reader unit. It is checked whether there is an error in a protocol message of the command or the response, and the command to the mRFID reader unit according to a check result is re-transmitted. | 03-31-2011 |
| 20110090130 | RFID READER ANTENNA AND RFID SHELF HAVING THE SAME - An RFID reader antenna including: a printed circuit board (PCB) formed as a dielectric substance; a plurality of slot groups, each having a plurality of slots, disposed on a first face of the PCB; a ground face disposed on areas, excluding the plurality of slot groups, of the first face of the PCB; and a feeder formed as a microstrip line with an open end on a second face of the PCB to feed the plurality of slot groups. Because the slots periodically formed on the ground face are fed in series by using the single microstrip line, the RFID reader antenna can reliably recognize a larger area with a simple structure. In particular, the RFID reader antenna can be useful for the bookstands for book management or smart shelves for displaying articles or goods including clothing goods in superstores or hypermarkets through the use of the ILT RFID application. | 04-21-2011 |
| 20110096883 | SYMBOL SYNCHRONIZATION APPARATUS AND METHOD OF PASSIVE RFID READER - Provided is a symbol synchronization apparatus and method of a passive REID reader. The symbol synchronization apparatus includes: an edge clock detector generating edge clocks by detecting phase inversion positions of a received signal; a preamble detector detecting a preamble section by analyzing the generation times of the edge clocks; a symbol decision time extractor extracting a symbol decision time by averaging distances between the edge clocks consecutively generated in the preamble section, when the preamble section is detected; and a symbol decider deciding a symbol by analyzing the magnitude of the received signal, when the time reaches the symbol decision time. | 04-28-2011 |
| 20110136445 | RFID READER AND METHOD FOR SUPPRESSING TRANSMISSION LEAKAGE SIGNAL THEREOF - Provided are an RFID reader and a method for suppressing transmission leakage signals thereof. The RFID reader includes a first loop, a second loop, and a digital signal processor. The first loop suppresses a first transmission leakage signal of an RX signal in response to a first leakage control signal. The second loop suppresses a second transmission leakage signal of the RX signal, received through the first loop, in response to a second leakage control signal. The digital signal processor generates the first leakage control signal and the second leakage control signal. The digital signal processor generates the first leakage control signal until the level of the first transmission leakage signal becomes equal to or lower than the level of a first reference transmission leakage signal. | 06-09-2011 |
| 20110148585 | PASSIVE RFID SYSTEM AND METHOD - Disclosed are a passive RFID (Radio Frequency Identification) system and method capable of recognizing a great deal of tags at a high speed. A reader of a passive RFID system, including: a processor dividing slots and subchannels to configure a round, recognizing subchannels that are not involved in a collision and interference by the slots, and changing the subchannels that are not involved in a collision and interference, into a sleep state; a transmission unit encoding a command generated through the processor, performing an amplitude jitter modulation on the encoded command, and transmitting the modulated command; and a reception unit acquiring and demodulating tag signals received through a plurality of subchannels by the slots, and providing the demodulated tag signals to the processor. | 06-23-2011 |
| 20110148599 | RFID READER, RFID TAG, AND METHOD OF RECOGNIZING PLURALITY OF RFID TAGS - The RFID reader of an RFID system includes a processor for processing a command for the RFID tag and a response from the RFID tag, a modem for modulating the command from the processor or demodulating the response from the RFID, and an RF unit for transmitting the modulated command transferred from the modem to the RFID tag or receiving the response from the RFID tag and transferring the response to the modem. The RFID tag of the RFID system includes a power supply unit for generating energy using a radio wave received from the RFID reader, a receiver for demodulating a signal received from the RFID reader, a data processor for performing operation according to the signal demodulated by the receiver, and a transmitter for backscattering a signal from the data processor. | 06-23-2011 |
| 20110215907 | RADIO FREQUENCY IDENTIFCATION (RFID) TAG AND OPERATION METHOD THEREOF, AND SYSTEM AND METHOD FOR CONTROLLING NETWORK ACCESS BASED ON MOBILE RFID - Disclosed are a radio frequency identification (RFID) tag capable of supplying an Internet service quickly and conveniently, an operation method thereof, and a system and method for controlling network access based on a mobile RFID. Network access data is generated by communication between an RFID terminal and an RFID tag. The mobile RFID terminal connects with a network gateway by reading the network access data, thereby supplying the Internet service quickly and conveniently. | 09-08-2011 |
| 20120057656 | METHOD AND APPARATUS FOR PASSIVE RADIO FREQUENCY INDENTIFICATION (RFID) READER DIGITAL DEMODULATION FOR MANCHESTER SUBCARRIER SIGNAL - An apparatus and method for passive radio frequency identification (RFID) reader digital demodulation with respect to a Manchester subcarrier signal are disclosed. In a passive RFID environment where the Manchester subcarrier signal contains DC components in a frequency region, even when a tag signal containing the DC offset noise is input to a baseband, demodulation may be efficiently performed while the DC offset noise is removed. Therefore, accurate detection of tag information from the tag signal may be achieved. | 03-08-2012 |
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| 20100093523 | CATALYSTS FOR FISCHER-TROPSCH SYNTHESIS ON COBALT/PHOSPHORUS-ALUMINUM OXIDE AND PREPARATION METHODS THEREOF - The present invention relates to a cobalt/phosphorus-alumina catalyst in which cobalt is supported as an active component on a phosphorus-alumina support wherein phosphorus is supported on alumina surface. With a bimodal pore structure of pores of relatively different pore sizes, the catalyst provides superior heat- and matter-transfer performance and excellent catalytic reactivity. Especially, when Fischer-Tropsch (F-T) reaction is performed using the catalyst, deactivation by the water produced during the F-T reaction is inhibited and, at the same time, the dispersion and reducing property of cobalt and other active component are improved. Therefore, the cobalt/phosphorus-alumina catalyst for F-T reaction in accordance with the present invention provides good carbon monoxide conversion and stable selectivity for liquid hydrocarbons. | 04-15-2010 |
| 20100130349 | PREPARING PHOSPHORUS CONTAINING ALUMINA SUPPORT BY SOL-GEL METHOD FOR FISCHER-TROPSCH SYNTHESIS AND CATALYST PREPARATION THEREOF - The present invention relates to a process of preparing of a phosphorus-containing phosphorus-alumina support by a sol-gel method and a cobalt/phosphorus-alumina catalyst where cobalt is supported onto the phosphorus-alumina support as an active ingredient. The phosphorus-alumina support is prepared by a sol-gel method and has wide specific surface area with bimodal pore size distribution and high cobalt dispersion, thereby enabling to increase heat and mass transfer, stabilize the structure by modifying the surface property of alumina and decrease the deactivation rate due to the reduced oxidation of cobalt component during the F-T reaction. When Fischer-Tropsch reaction (F-T) is conducted on the catalyst, the catalyst maintains a superior thermal stability, inhibits the deactivation due to water generation during the F-T reaction and also causes relatively high conversion of carbon monoxide and stable selectivity of liquid hydrocarbons. | 05-27-2010 |
| 20100261940 | PROCESS FOR PRODUCING LIGHT OLEFINS FROM SYNTHESIS GAS USING DUAL SEQUENTIAL BED REACTOR - The present invention relates to a process for producing light olefins from a synthesis gas with significantly improved conversion and selectivity for C | 10-14-2010 |
| 20110015062 | COBALT/ZIRCONIUM-PHOSPHORUS/SILICA CATALYST FOR FISCHER-TROPSCH SYNTHESIS AND METHOD OF PREPARING THE SAME - The present invention relates to a cobalt/zirconium-phosphorus/silica catalyst in which cobalt, as an active ingredient, is impregnated on a zirconium-phosphorus/silica support prepared by treating the surface of silica with zirconium and phosphorus, and a method of preparing the catalyst. The catalyst has excellent reactivity since it has excellent heat and mass transfer properties due to a large pore structure of silica and increased reducibility of cobalt; excellent dispersion of cobalt and other activation substances during Fischer-Tropsch (F-T) reaction; and reduced sintering of cobalt particles during the reaction, and thus high CO conversion and stable selectivity for liquid hydrocarbon can be obtained during the F-T reaction. | 01-20-2011 |
| 20110028574 | Method and Apparatus for the Continuous Separation and Discharge of Solid Catalysts and Products for Fischer-Tropsch Synthesis Reactions - The present invention relates to a continuous separation and discharge apparatus and method of solid catalysts and liquid products for Fischer-Tropsch synthesis reactions, and more particularly, to a continuous separation and discharge apparatus and method of solid catalysts and products for Fischer-Tropsch synthesis reactions involving the conversion of synthetic gas into synthetic oil, by which products of the Fischer-Tropsch synthesis including wax, as a long-chain hydrocarbon, can be stably obtained by continuously separating the products from a slurry comprising solid catalyst particles and the products using periodic pulses of a feeding gas and discharging the products through a lower portion of a reactor. Provided is a continuous separation and discharge apparatus of solid catalysts and products for Fischer-Tropsch synthesis reactions including: a level sensing device which is installed at an upper portion of a reactor and detects the slurry-level of reactants; a solid catalyst/product separation device and a discharge device which are installed at a lower portion of the reactor and separate and discharge liquid products from a mixed slurry in the reactor; and a control unit which receives a signal from the level sensing device to open and close the discharge device, wherein the separation device filters the solid catalysts, and the discharge device continuously discharges the products separated from the solid catalysts through the lower portion of the reactor by the amount of the synthesized products measured by a level sensing device. | 02-03-2011 |
| 20110114892 | CATALYST FOR PREPARING SYNTHESIS GAS FROM NATURAL GAS AND CARBON DIOXIDE, AND PREPARATION METHOD THEREOF - Disclosed are a catalyst for preparing synthesis gas from natural gas and carbon dioxide, and a method for preparing the same. More particularly, a combined reforming process is performed as an economical way of using carbon dioxide, wherein steam reforming of natural gas is carried out simultaneously with carbon dioxide reforming of methane in such a manner that a predetermined ratio of carbon monoxide/carbon dioxide/hydrogen (H | 05-19-2011 |
| 20110118367 | CATALYST FOR SYNTHESIZING METHANOL FROM SYNTHESIS GAS AND PREPARATION METHOD THEREOF - Disclosed are a catalyst for synthesis of methanol from synthesis gas and a method for preparing the same. The catalyst includes a Cu—Zn—Al oxide containing CuO, ZnO and Al | 05-19-2011 |
| 20110178186 | Preparation Methods for Liquid Hydrocarbons by Fischer-Tropsch Synthesis Through Slurry Reaction - The present invention relates to a method for preparing liquid hydrocarbons via a slurry phase Fischer-Tropsch (F-T) synthesis. In particular, the present invention relates to a method for preparing liquid hydrocarbons from syngas via slurry phase F-T synthesis using a catalyst, which can prevent the decrease in catalyst activity and filter clogging due to catalyst aggrega-tion, simultaneously with improving selectivity for C | 07-21-2011 |
| 20110237689 | METHOD FOR METHANOL SYNTHESIS USING SYNTHESIS GAS GENERATED BY COMBINED REFORMING OF NATURAL GAS WITH CARBON DIOXIDE - Disclosed is a method for methanol synthesis using synthesis gas obtained from reforming of natural gas with carbon dioxide. First, synthesis gas is obtained from steam carbon dioxide reforming of methane, in which steam reforming of natural gas is carried out simultaneously with carbon dioxide reforming of methane, by using a catalyst (Ni/Ce/MgAlO | 09-29-2011 |
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| 20090047582 | Non-Aqueous Electrolyte and Electrochemical Device With an Improved Safety - Disclosed are a non-aqueous electrolyte comprising a lithium salt and a solvent, the electrolyte containing, based on the weight of the electrolyte, 10-40 wt % of a compound of Formula 1 or its decomposition product, and 1-40 wt % of an aliphatic nitrile compound, as well as an electrochemical device comprising the non-aqueous electrolyte. Also disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1. Moreover, disclosed is an electrochemical device comprising: a cathode having a complex formed between the surface of a cathode active material and an aliphatic nitrile compound; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product. In addition, disclosed is an electrochemical device comprising: an anode having formed thereon a coating layer containing a decomposition product of the compound of Formula 1; and a non-aqueous electrolyte containing the compound of Formula 1 or its decomposition product. | 02-19-2009 |
| 20110111306 | NON-AQUEOUS ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY HAVING THE SAME - A non-aqueous electrolyte solution for a lithium secondary battery includes a lithium salt and an organic solvent. Based on 100 parts by weight of the non-aqueous electrolyte solution, the non-aqueous electrolyte solution includes 1 to 5 parts by weight of sultone-based compound having a carbon-carbon unsaturated bond in a cyclic structure; 1 to 5 parts by weight of cyclic carbonate compound with a vinyl group; 5 to 10 parts by weight of cyclic carbonate compound that is substituted with halogen; and 1 to 5 parts by weight of dinitrile-based compound. This non-aqueous electrolyte solution improves stability of a SEI film formed on a surface of an anode of a lithium secondary battery and thus improves normal temperature cycle performance and high temperature cycle performance. | 05-12-2011 |
| 20110165474 | ELECTROLYTE FOR A HIGH VOLTAGE BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrolyte for lithium secondary batteries that allows the batteries to operate safely at a charging voltage up to 4.35V, wherein the electrolyte comprises a combination of a fluoroethylene carbonate compound and a linear ester compound as solvent. Also, the present invention provides a lithium secondary battery that can operate at a charging voltage up to 4.35V, which comprises a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate compound and linear ester compound as solvent. | 07-07-2011 |
| 20120034516 | CATHODE ACTIVE MATERIAL EXHIBITING IMPROVED PROPERTY IN HIGH VOLTAGE - Disclosed herein is a cathode active material including a lithium transition metal oxide based on at least one transition metal selected from a group consisting of Ni, Mn and Co. The lithium transition metal oxide contains fluorine, and most of the fluorine is present on a surface of the lithium transition metal oxide, and at least one metal selected from a group consisting of Mg, Ti, Zr, Al and Fe as well as sulfur (S) are further contained in the lithium transition metal oxide. | 02-09-2012 |
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| 20100130187 | BASE-STATION CONFIGURATION CONTROL SYSTEM AND METHOD - Provided are a base-station configuration control apparatus, system and method. The base-station configuration control apparatus includes a user interface and a CPU. The user interface receives a user's request to selection of a standard protocol. The CPU receives one or more programs based on a selected standard protocol from a storage, which is connected to an external bus, to download the received programs to a function block through a host interface, based on a SDR technology. | 05-27-2010 |
| 20110141931 | FEEDBACK GENERATION METHOD AND SYSTEM FOR UPLINK TRANSMIT POWER CONTROL - A feedback generation method for uplink Transmit Power Control (TPC) in a mobile communication system is provided. A feedback generation system for uplink TPC includes an uplink information receiver to receive uplink information from a terminal, to measure a Signal-to-Interference Noise Ratio (SINR) value with respect to the received uplink information, and to measure a movement speed of the terminal, a transmission power adjustment value setting unit to set a transmission power adjustment value based on the movement speed of the terminal; an adjusted SINR calculator to calculate an adjusted SINR value, based on an expected SINR value and the measured SINR value; and a feedback information regenerator to regenerate feedback information based on the transmission power adjustment value and the adjusted SINR value, and to transmit the regenerated feedback information to the terminal. | 06-16-2011 |
| 20110142145 | METHOD FOR ESTIMATING FREQUENCY OFFSET IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING SYSTEM - Provided is a method for estimating a frequency offset. The method for estimating the frequency offset may include calculating autocorrelation values associated with a Cyclic Prefix (CP) for a reception signal, dividing the calculated autocorrelation values into first autocorrelation values associated with an interval where a signal exists and second autocorrelation values associated with an interval where a signal does not exist, determining whether to use the divided second autocorrelation values; and estimating the frequency offset using the second autocorrelation values determined to be used and the first autocorrelation values. | 06-16-2011 |
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| 20100105704 | 7-(3',4'-Dialkoxyphenyl)-[1,2,4]-Triazolo[1,5-A]Pyrimidine Compounds, Process for Preparing Thereof, and Pharmaceutical Composition for Treating or Preventing Asthma, Chronic Obstructive Pulmonary Disease, Arthritis, Atopic Dermatitis, Tumor and Degenerative Brain Diseases Comprising the Same - The present invention relates to novel {7-(3′,4′-dialkoxyphenyl)-[1,2,4]-triazolo[1,5-a]pyrimidine compounds or pharmaceutically acceptable salts thereof, a process for preparing the same, and pharmaceutical compositions for treating or preventing inflammatory diseases including asthma and chronic obstructive pulmonary disease, arthritis, atopic dermatitis, cancers including leukemia, and degenerative brain diseases including Alzheimer's disease, depression and memory impairment, which comprises the same as an active ingredient. | 04-29-2010 |
| 20100305324 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING OSTEOPOROSIS OR OBESITY COMPRISING PHENYLTETRAZOLE DERIVATIVE - A phamaceutical composition comprising a phenyltetrazole derivative of formula (I) or a pharmaceutical acceptable salt thereof is effective in preventing or treating osteoporosis, obesity, diabetes, or hyperlipidemia, by regulating protein TAZ. | 12-02-2010 |
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| 20100229183 | FRAMEWORK DEVICE OF MOBILE TERMINAL AND METHOD FOR PROVIDING INTEROPERABILITY BETWEEN COMPONENTS - The present invention relates to a framework device of a mobile terminal and a component interoperability guaranteeing method, and is configured by a hardware component generated by a developer and hardware middleware to be linked by a software (or another hardware) component. Therefore, in the exemplary embodiment of the present invention, hardware dependent parts in the hardware component are provided to the hardware middleware through setting parameters so that the hardware middleware is linked with the corresponding hardware component. The hardware middleware receives a request message according to the general inter-ORB protocol (GIOP) transmission system used for the basic communication system of the framework, parses the request message, and converts and transmits data to the corresponding hardware component. The hardware component (hardware logic) to which the request message is transmitted uses data to perform its unique function, and the result is configured as a response message by the hardware middleware and is then transmitted to the software component. | 09-09-2010 |
| 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 |
| 20110140851 | WAKEUP-ON-DEMAND APPARATUS AND MEHTOD, SENSOR DEVICE USING THE SAME, AND WAKEUP-ON-DEMAND METHOD OF SENSOR DEVICE - A wakeup-on-demand apparatus includes: a wakeup radio receiver (WRR) receiving a first radio signal to detect an address; and a main radio transceiver (MRT) responding to the first radio signal, transmitting and receiving a second radio signal for data communication, when the detected address coincides with a preset address. | 06-16-2011 |
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| 20100215099 | MULTIPLE QUALITY IMAGE CONTENTS SERVICE SYSTEM AND UPDATE METHOD THEREOF - An image contents service system includes a first encoder encoding an original image data into a first-layer data, and a second encoder modulized to encode the original image data into a second-layer data by referencing the first-layer data, whereby image contents upgraded more than the first-layer data are provided. Accordingly, the image contents service system can minimize the waste of frequency bands and resources of an encoding system in the upgrade, and can provide a multiple quality contents service. | 08-26-2010 |
| 20100260179 | APPARATUS AND METHOD FOR ADAPTIVE STREAMING OF SCALABLE CONTENTS USING MULTICAST AND UNICAST TRANSMISSION CONCURRENTLY - Disclosed is an adaptive transmission device and method of transmitting scalable contents by simultaneously utilizing a multicast transmission and a unicast transmission. The method of transmitting scalable contents in a transmission server includes receiving transmission status information from terminals, determining a transmission policy corresponding to the transmission status of each of the terminals, transmitting a basic transmission group of the scalable contents to the terminals via a multicast or a broadcast, and transmitting an adaptive transmission group of the scalable contents corresponding to the transmission policy to each corresponding terminal via a unicast. | 10-14-2010 |
| 20100322224 | SERVER, TERMINAL AND METHOD FOR END TO END CHANNEL CAPACITY ESTIMATION IN HIGH SPEED DOWNLINK PACKET ACCESS NETWORK - A server and a terminal enabling channel capacity estimation in a High-Speed Downlink Packet Access (HSDPA) network and a method of controlling the server and the terminal are provided. More particularly, when transmitting data between both terminals in an HSDPA network, a server end may transmit a packet pair of the same size and a client end may measure a time difference between the packet pair and thereby proceed filtering. Through this, it is possible to estimate the channel capacity. Therefore, it is possible to prevent data transmission from exceeding the channel capacity in the HSDPA to thereby prevent a packet loss and to effectively use a channel. | 12-23-2010 |
| 20110138019 | SYSTEM AND METHOD FOR PROVIDING MULTI-LAYERED CONTENT USING PLURALITY OF SERVERS - Provided is a system and method for providing a multi-layered content that may divide a content encoded using a scalable coding scheme, into a plurality of quality groups having different quality levels, assign corresponding servers to the plurality of quality groups, and transmitting the quality groups, increasing a number of transmission sessions. | 06-09-2011 |
| 20110170451 | APPARATUS AND METHOD FOR ESTIMATING CHANNEL CAPACITY OF END-TO-END TERMINAL - Disclosed is an apparatus and method for estimating a channel capacity of an end-to-end terminal. The channel capacity estimating method of the end-to-end terminal includes calculating an average value of channel capacities for each size of data packets, the data packets varying in size, measuring an actual channel capacity with respect to the data packets, and deriving a linear model of a channel capacity based on the size of the data packets using the average value of the channel capacities and the actual channel capacity. | 07-14-2011 |
| 20110176557 | APPARATUS AND METHOD FOR CONTROLLING BUFFER USING PLAY TIME AS IMAGE TRANSMISSION - Disclosed is a buffer controlling apparatus and method using a play time during image transmission. The buffer controlling method using the play time during the image transmission includes controlling a transmission bit rate with respect to packets to be transmitted to a reception buffer based on bit capacity with respect to packets of the reception buffer, controlling a number of transmission frames with respect to the packets to be transmitted to the reception buffer based on a play time with respect to the packets of the reception buffer, and generating the packets to be transmitted corresponding to the transmission bit rate and the number of the transmission frames, and transmitting the generated packets to the reception buffer. | 07-21-2011 |
| 20110176643 | APPARATUS AND METHOD FOR RECEIVING LAYERED DATA THROUGH MULTIPLE MULTICAST CHANNEL - Disclosed are an apparatus and a method for receiving layered data transmitted over a multiple multicast channel. The layered data receiving method includes receiving the data including a count number, arranging the received data in an order of reception and storing in a jitter buffer, rearranging the data in an order of the count number and storing in a data buffer. | 07-21-2011 |
| 20120014396 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING MULTIPLEXED PACKET STREAM OVER SINGLE TRANSMISSION CHANNEL - A method for transmitting a main packet stream generated by multiplexing a plurality of substreams, using a single transmission channel, includes packeting each of the plurality of substreams and generating substream packets; allocating substream sequence information to the substream packets according to a sequence in which the substream packets are generated; allocating main packet stream sequence information to the substream packets according to a sequence in which the substream packets are inputted; and multiplexing inputted substream packets and generating the main packet stream. | 01-19-2012 |
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| 20090106820 | SYSTEM AND METHOD FOR USER AUTHENTICATION BASED ON ODOR RECOGNITION - A system for a user authentication includes an odor sensor unit for sensing an odor of a user's body to generate an odor biometric information vector, and a learning unit for performing an initial learning using the odor biometric information vector to generate a comparative odor biometric information vector. An authentication unit performs the user authentication by comparing an odor biometric information vector of the user's body to be authenticated from the odor sensor unit with the comparative biometric information vector if the user authentication is required. The authentication unit further performs an incremental learning of the comparative odor biometric information vector using the odor biometric information vector used in the authentication to create an incrementally learned odor biometric information vector. The comparative odor biometric information vector is updated with the incrementally learned odor biometric information vector. | 04-23-2009 |
| 20090112852 | USER MANUAL SUPPORTING METHOD AND APPARATUS USING ERROR PATTERN ANALYSIS - A user manual supporting method for use in an electronic appliance includes converting a series of operations performed by the user to operate the electronic appliance and converting the operations into a pattern of user operation sequence, and checking if an error is present in the pattern of user operation sequence to retrieve a pattern of erroneous operation sequence corresponding to the pattern of user operation sequence having the error. Thereafter, a manual content associated with the pattern of erroneous operation pattern is extracted and the extracted manual content is provided to the user. The manual content the manual content includes text and/or graphics information for notifying the user of a missing operation in the pattern of user operation sequence, or for guiding a normal operation against the pattern of erroneous operation sequence. | 04-30-2009 |
| 20110247050 | METHOD OF PAIRING TERMINALS WITH EACH OTHER AND TERMINAL FOR THE SAME - Provided is a method of pairing terminals with each other, and a terminal for the method. The method includes sensing a physical motion of a terminal caused by a user and outputting a sensing value, comparing a reception value received from an external terminal with the sensing value, and establishing a communication path with the external terminal according to the comparison result. | 10-06-2011 |
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| 20100187494 | NITRIDE SEMICONDUCTOR-BASED LIGHT EMITTING DEVICES - A nitride semiconductor-based light emitting device is provided. The nitride semiconductor-based light emitting device is formed of a nitride semiconductor having a wurtzite lattice structure with the Ga face. The device has a substrate, a buffer layer, a first p-type contact layer, a second p-type contact layer, a first hole diffusion layer, a second hole diffusion layer, a light emitting active region, a second electron diffusion layer, a first electron a first n-type contact layer, which are sequentially stacked. Such a structure may effectively employ quasi-two-dimensional free electron and free hole gases formed at heterojunction interfaces due to the spontaneous polarization and the piezoelectric polarization in the wurtzite lattice structure with the Ga face, and thus enhances the emission uniformity and emission efficiency of the light emitting device. | 07-29-2010 |
| 20100240162 | MANUFACTURING METHOD OF LIGHT EMITTING DIODE INCLUDING CURRENT SPREADING LAYER - Provided is a method of manufacturing a light emitting diode using a nitride semiconductor, which including the steps of: forming n- and p-type current spreading layers using a hetero-junction structure; forming trenches by dry-etching the n- and p-type current spreading layers; forming an n-type metal electrode layer in the trench of the n-type current spreading layer; forming a p-type metal electrode layer in the trench of the p-type current spreading layer; and forming a transparent electrode layer on the p-type metal electrode layer, thereby improving current spreading characteristics as compared with the conventional method of manufacturing the light emitting diode, and enhancing operating characteristics of the light emitting diode. | 09-23-2010 |
| 20100319777 | SOLAR CELL AND METHOD OF FABRICATING THE SAME - A solar cell and method of fabricating the same are provided. The solar cell includes a metal electrode layer, an optical absorption layer, a buffer layer, and a transparent electrode layer. The metal electrode layer is disposed on a substrate. The optical absorption layer is disposed on the metal electrode layer. The buffer layer is disposed on the optical absorption layer and includes an indium gallium nitride (In | 12-23-2010 |
| 20110017289 | CIGS SOLAR CELL AND METHOD OF FABRICATING THE SAME - Provided are a CIGS solar cell and a method of fabricating the CIGS solar cell. In the method, a buffer layer exposing protrusions is formed. Then, a window electrode layer having an uneven surface conforming with the protrusions of the buffer layer is formed. Thus, an additional process for making the upper surface of a window electrode layer rough is unnecessary in order to decrease surface reflectance of incident sunlight and increase the solar cell efficiency, so that productivity can be improved. | 01-27-2011 |
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| 20090311150 | CHEMICAL REACTOR INCLUDING HEAT EXCHANGERS - The present invention discloses to a chemical reactor with high heat efficiency and small volume, the chemical reaction of the present invention comprises a first unit for performing heat exchange of exothermic reaction products with exothermic reaction raw material fed for exothermic reaction; a second unit including a plate assembly for exothermic reactions and a plate assembly for endothermic reactions; and a third unit for performing heat exchange of endothermic reaction products with endothermic reaction raw material fed for endothermic reactions, the exothermic reaction raw material discharged from the first unit is fed into the plate assembly for exothermic reactions in the second unit and used in the exothermic reactions, the exothermic reaction products are fed into the first unit to pre-heat the exothermic reaction raw material, the endothermic reaction raw material discharged from the third unit is fed into the plate assembly for endothermic reactions in the second unit and used in the endothermic reactions, the endothermic reaction products are fed into the third unit to pre-heat the endothermic reaction raw material, and the first unit, the second unit and the third unit are laminately disposed. | 12-17-2009 |
| 20100015016 | MICRO CHANNEL REACTOR SYSTEM - The present invention discloses to a channel reactor system having a first channel plate assembly in which an exothermic reaction is performed and a second channel plate assembly provided for heat-exchanging and constituted integrally with the first channel plate assembly so as to remove effectively heat, the channel reactor system comprising at least two channel units into which reaction gas and cooling fluid are separately introduced, each channel unit comprising a reaction channel plate assembly into which reaction gas is introduced and a heat-exchanging channel plate assembly into which cooling fluid is introduced; and at least one intermediate plate disposed between the upper and lower channel units, the intermediate plate supplying reaction gas and cooling fluid inflowed from the upper channel unit with new reactant and cooling fluid and supplying reaction gas and cooling fluid to the reaction channel plate assembly and the heat-exchanging channel plate assembly of the lower channel unit, respectively. | 01-21-2010 |
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| 20090022123 | Apparatus and method for providing contents sharing service on network - The present invention relates to a network-based contents sharing service providing device and method. A contents provider stores at least one content in a memory and manages it, classifies information on shared contents to be shared with the contents receiver according to a predetermined reference, generates a shared contents list by making information on the classified shared contents into a list, manages the list, and provides the shared contents list to the corresponding contents receiver when there is a contents receiver for sharing shared contents from among the contents receivers in the service area in which the contents provider is positioned. A contents receiver presents the shared contents list to the contents receiving user, receives at least one shared content from the contents provider through downloading or streaming according to selection of the contents receiving user having acquired the list, and performs it. Accordingly, the contents receiving user can freely use various contents of the contents provider positioned in the service area such as his portable terminal. | 01-22-2009 |
| 20110130205 | GAME GRAMMAR-BASED PACKET CAPTURE AND ANALYSIS APPARATUS AND METHOD FOR CONDUCTING GAME TEST - A game grammar-based packet capture and analysis apparatus for conducting game test, includes: a packet capture unit for capturing packets of game data transmitted and received between a game client and a game server; a packet analysis unit for analyzing the packets captured by the packet capture unit to generate a game grammar based on analyzed results. Further, the game grammar-based packet capture and analysis apparatus includes a load generation unit for generating packets in compliance with the game grammar to apply the packets to the game server as a load. | 06-02-2011 |
| 20110151954 | DEVICE FOR PROVIDING VIRTUAL CLIENT MANAGING MODULE, APPARATUS FOR MANAGING VIRTUAL CLIENT, AND METHOD FOR TESTING A GAME BY USING VIRTUAL CLIENT MANAGING MODULE - The present invention relates to a technology for easily generating and supplying a virtual client managing module specified for various games and testing the load and function of a game through a virtual client managing module and an apparatus for managing a virtual client. The device for managing a virtual client managing module according to the exemplary embodiment of the present invention performs a function that uses template specialized for each type of game as game unique information to generate a specialized module and generates the virtual client managing module combined with the common module. The apparatus for managing the virtual client generates and controls the virtual client based on the virtual client managing module. | 06-23-2011 |
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| 20110045338 | SEPARATOR HAVING POROUS COATING LAYER AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - A separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate and made of a mixture of a plurality of inorganic particles and a binder polymer, wherein the binder polymer includes a first polyvinylidene fluoride-based copolymer having solubility of 25 weight % or more with respect to acetone at 350 C; a second polyvinylidene fluoride-based copolymer having solubility of 10 weight % or less with respect to acetone at 350 C; and a polymer having a cyano group. This separator decelerates deterioration of life span of an electrochemical device, and prevents disintercalation of inorganic particles in the porous coating layer, thereby improving safety of the electrochemical device. | 02-24-2011 |
| 20110177388 | ANODE COATED WITH LITHIUM FLUORIDE COMPOUNDS, METHOD FOR PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY HAVING THE SAME - An anode for a lithium ion secondary battery includes an anode, and a LiF-based coating layer formed with LiF-based particles on a surface of the anode. The LiF-based coating layer has a thickness of 0.05 to 1 μm. The anode allows the LiF-based coating layer created by side reaction of LiPF6 during a battery charging/discharging process to be relatively uniformly formed on the anode surface, thereby elongating the life cycle of a lithium ion secondary battery. | 07-21-2011 |
| 20120034509 | SEPARATOR HAVING POROUS COATING LAYER, AND ELECTROCHEMICAL DEVICE CONTAINING THE SAME - A separator includes a monolayer-type polyolefin-based micro-porous film having a porosity of 40 to 60%, an average pore diameter of 60 nm or less, and an air permeability of 350 s/100 mL or less; and a porous coating layer formed on at least one surface of the micro-porous film and made of a mixture of a plurality of inorganic particles and a binder polymer. An electrochemical device having the above separator has excellent thermal stability and allows a high power while minimizing the occurrence of leak current. | 02-09-2012 |
