Patent application number | Description | Published |
20080294725 | METHOD AND SYSTEM FOR SUPPORTING SIMULATED-EXERCISE IN CYBER SPACE USING MESSAGE - Provided are a method and system for supporting a simulated-exercise in a cyber space using a message. The system for supporting a simulated-exercise using a massage includes a simulated-exercise manager system for training trainees in a remote location connected through a network by transmitting a situation message for informing critical situations to the trainees and an automatic response message. | 11-27-2008 |
20130160122 | TWO-STAGE INTRUSION DETECTION SYSTEM FOR HIGH-SPEED PACKET PROCESSING USING NETWORK PROCESSOR AND METHOD THEREOF - A system and method for detecting network intrusion by using a network processor are provided. The intrusion detection system includes: a first intrusion detector, configured to use a first network processor to perform intrusion detection on layer 3 and layer 4 of a protocol field among information included in a packet header of a packet transmitted to the intrusion detection system, and when no intrusion is detected, classify the packets according to stream and transmit the classified packets to a second intrusion detector; and a second intrusion detector, configured to use a second network processor to perform intrusion detection through deep packet inspection (DPI) for the packet payload of the packets transmitted from the first intrusion detector. Thereby, intrusion detection for high-speed packets can be performed in a network environment. | 06-20-2013 |
20130219498 | MOBILE TERMINAL HAVING SECURITY DIAGNOSIS FUNCTIONALITY AND METHOD OF MAKING DIAGNOSIS ON SECURITY OF MOBILE TERMINAL - A mobile terminal having security diagnosis functionality and a method of making a diagnosis on the security of the mobile terminal are provided. The mobile terminal includes a system check unit, an interface unit, a blacklist check unit, and a security diagnosis unit. The system check unit collects the basic information of the mobile terminal by performing a system check on the mobile terminal. The interface unit provides the basic information of the mobile terminal to a user and receives a control command from the user. The blacklist check unit checks whether at least one application installed in the mobile terminal is present in a blacklist registered on a server. The security diagnosis unit checks whether an abnormality has occurred in the corresponding application based on results of the comparison between the basic information of the mobile terminal with preset abnormality detection reference information and the control command. | 08-22-2013 |
20130347069 | REFERER VERIFICATION APPARATUS AND METHOD - A referer verification apparatus and method for controlling web traffic having malicious code are provided. In the referer verification method, whether a referer is present in a Hypertext Transfer Protocol (HTTP) packet is determined. If it is determined that the referer is present in the HTTP packet, Uniform Resource Locators (URLs) are extracted from a referer web page corresponding to the referer. The referer is verified based on a URL corresponding to a referer verification request received from a server and the extracted URLs. A Completely Automated Public Test to tell Computers and Humans Apart (CAPTCHA) verification procedure conducted by a user is performed based on results of the verification of the referer. | 12-26-2013 |
20140013389 | COMMUNICATION BLOCKING CONTROL APPARATUS AND METHOD THEREOF - A communication blocking control method includes receiving a communication blocking request from a terminal in an idle state in which it is difficult to find out whether information is leaked or not; registering a state of the terminal in a communication blocked list according to the communication blocking request; and blocking external communication of the terminal through a network. | 01-09-2014 |
20140020067 | APPARATUS AND METHOD FOR CONTROLLING TRAFFIC BASED ON CAPTCHA - An apparatus and method for controlling traffic based on a Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) are provided. The traffic control apparatus includes a traffic monitoring unit, a CAPTCHA verification unit, a list management unit, and a traffic control unit. The traffic monitoring unit monitors a packet between an internal network and an external network. The CAPTCHA verification unit, if packet information is not present in an access control list, sends a CAPTCHA request message to a client computer, receives a CAPTCHA response message, and verifies the CAPTCHA response message. The list management unit, if the packet information is present in the access control list, detects an access control policy corresponding to the packet information in the access control list. The traffic control unit controls traffic based the verification of the CAPTCHA response message and the control policy. | 01-16-2014 |
20140047543 | APPARATUS AND METHOD FOR DETECTING HTTP BOTNET BASED ON DENSITIES OF WEB TRANSACTIONS - An apparatus and method for detecting a Hyper Text Transfer Protocol (HTTP) botnet based on the densities of transactions. The apparatus includes a collection management unit, a web transaction classification unit, and a filtering unit. The collection management unit extracts metadata from HTTP request packets collected by a traffic collection sensor. The web transaction classification unit extracts web transactions by analyzing the metadata, and generates a gray list by arranging the extracted web transactions according to the frequency of access. The filtering unit detects an HTTP botnet by filtering the gray list based on a white list and a black list. | 02-13-2014 |
20140123288 | NETWORK INTRUSION DETECTION APPARATUS AND METHOD USING PERL COMPATIBLE REGULAR EXPRESSIONS-BASED PATTERN MATCHING TECHNIQUE - A network intrusion detection apparatus and method that perform Perl Compatible Regular Expressions (PCRE)-based pattern matching on the payloads of packets using a network processor equipped with a Deterministic Finite Automata (DFA) engine. The network intrusion detection apparatus includes a network processor core for receiving packets from a network, and transmitting payloads of the received packets to a Deterministic Finite Automata (DFA) engine. A detection rule converter converts a PCRE-based detection rule, preset to detect an attack packet, into a detection rule including a pattern to which only PCRE grammar corresponding to the DFA engine is applied. The DFA engine performs PCRE pattern matching on the payloads of the packets based on the detection rule converted by the detection rule converter. | 05-01-2014 |
20140157356 | FIREWALL POLICY INSPECTION APPARATUS AND METHOD - A firewall policy inspection apparatus and method is provided. The firewall policy inspection apparatus includes an intrusion prevention rule obtainment unit for obtaining intrusion prevention rules from a target firewall policy. An anomaly rule detection unit detects an anomaly rule in a relationship between the intrusion prevention rules. A screen display unit displays an anomaly rule graph on a screen using results of the detection. | 06-05-2014 |
Patent application number | Description | Published |
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 |
20130031119 | SYSTEM AND METHOD FOR DATA MATCHING - A system and method for data matching are disclosed. A user terminal included in the system includes a data provider, a data consumer, and a mapper. The data provider receives life log data of a user which is collected by at least one life log collecting apparatus. The data consumer receives the life log data from the data provider, and compares the life log data and reference data received from a service server to determine whether a difference between the life log data and the reference data exceeds a predetermined threshold value. The mapper maps the service server which provides the reference data corresponding to information of the life log data received from the data provider. Accordingly, the usability to of life log apparatuses can increase. | 01-31-2013 |
20130035601 | APPARATUS AND METHOD FOR GENERATING DIGITAL HEALTH SCREENING FORM - An apparatus for generating a digital health screening form collects sensor information including biometric information, motion information or location information of an examinee using a plurality of sensors. The apparatus determines results of preset health screening items depending on the biometric information, and then generates physical condition information including the results of the preset health screening items. The apparatus generates information about presence or absence of dyssomnia or information about physical activities, which indicates living habits of the examinee, and then generates lifelog information which includes the information about the presence or absence of dyssomnia or the information about the physical activities. The apparatus detects medical history information of the examinee in a medical history information provision server, and generates a digital health screening form containing the physical condition information, the lifelog information, and the medical history information. | 02-07-2013 |
20130054499 | APPARATUS AND METHOD FOR PROVIDING DIGITAL MIND SERVICE - An apparatus for providing a digital mind service, includes a mind input module configured to receive gaze trace information, sensitivity information, or log information of a user. Further, the apparatus for providing the digital mind service includes a mind epigenomic map creating module configured to create a plurality of mind epigenomes in accordance with predetermined specifications by analyzing the log information of the user and to create a mind epigenomic map by defining relationship between the created mind epigenomes and structure thereof. | 02-28-2013 |
20130089019 | APPARATUS AND METHOD FOR MULTICASTING VIDEO IN REAL-TIME - Disclosed are an apparatus for multicasting a video in real-time photographed by a portable terminal. An apparatus for multicasting a video in real-time, includes: a target selector selecting receiving terminals which will receive the video; and a video multi-caster provided in a portable terminal and multi-casting the video to selected receiving terminals through a multicasting server such that the video is real-time multicasted for every selected receiving terminal. A user may multicast a currently photographed video in a manner of simultaneously real-time streaming the video to a plurality of users. | 04-11-2013 |
20130091263 | METHOD AND APPARATUS FOR MANAGING APPLICATION PROGRAMS OF TERMINALS, METHOD AND APPARATUS FOR MANAGING APPLICATION PROGRAMS IN TERMINAL - Disclosed is a method of managing application programs of terminals, including: receiving a synchronization request message according to change of an application program from a first terminal of a user; updating application program information stored in connection with the first terminal of the user in accordance with the change of the application program; and transmitting a notice message notifying the change of the application program to a second terminal of the user. | 04-11-2013 |
20140086553 | APPARATUS, METHOD, AND SYSTEM FOR VIDEO CONTENTS SUMMARIZATION - Disclosed are an apparatus and a method for summarizing a video based on a user, the apparatus including: a gaze information collecting unit to receive gaze information of a user about video data; a memory unit to manage identification information used to identify an object that is a target of the gaze information among objects included in the video data; a control unit to recognize an object of interest to which the user pays attention using the gaze information and the identification information; and a summarizing unit to generate summary data of the video data including the recognized object of interest. According to the present invention, summary data may be generated based on a frame that a user considers important, or an object or a human present within the frame. | 03-27-2014 |
20140122541 | APPARATUS FOR COLLECTING LIFELOG DATA AND METHOD THEREOF - Disclosed are an apparatus for collecting lifelog data and a method thereof according to the present invention. | 05-01-2014 |
20140149348 | APPLICATION PROGRAM MANAGEMENT METHOD AND APPARATUS USING CONTEXT INFORMATION - An application program management method and apparatus using information are provided. The application program management method includes: in response to the state of an application program being changed in a first terminal, notifying a second terminal of the occurrence of an application program update in the first terminal; and in response to the second terminal recognizing the occurrence of an application program update in the first terminal, providing the second terminal with the state-changed application program or updated information relating to the state-changed application program. | 05-29-2014 |
20140192653 | METHOD AND APPARATUS FOR CONTROLLING LOAD ALLOCATION IN CLUSTER SYSTEM - An apparatus for controlling load allocation in a cluster system includes a cluster module having a plurality of target nodes and a cluster power management module. The cluster power management module analyzes resource usage of the target nodes by monitoring the load states of the target nodes. The cluster power management module adaptively allocates loads to the target nodes based on the analyzed resource usage and N allocation thresholds settled in response to an increase of the analyzed resource usage. The cluster power management module controls the target nodes so that the power state can be changed with the adaptively allocated loads. | 07-10-2014 |
20140220937 | DATA SHARING APPARATUS AND METHOD - Disclosed herein is an apparatus and method that enable data sharing to be performed between short-range/middle-range/long-range mobile terminals by minimizing specific intervention of a user. The apparatus includes a social relationship management unit for managing social network group information formed by a user while the user utilizes a social network service. A device recognition and authentication unit identifies a mobile terminal of another party attempting to make a connection and allocates a data communication channel for data exchange, based on device information received from the mobile terminal of the other party attempting to make a connection and the social network group information. A shared data setting unit sets data to be shared with the mobile terminal of the other party between which the data communication channel has been established. A shared data transmission unit transmits the data to be shared to the mobile terminal of the other party. | 08-07-2014 |
20140324971 | DATA SHARING APPARATUS AND METHOD USING SOCIAL RELATION - Provided is a data sharing apparatus and method for sharing data between a terminal possessed by a user and another terminal using social relations. The data sharing apparatus includes a social relation information acquisition unit that accesses a social network service (SNS) server for providing an SNS to acquire social relation information of a user, a social relation information storage unit that stores the acquired social relation information, and a data sharing control unit that controls data sharing between a user terminal possessed by the user and a target terminal based on the stored social relation information. | 10-30-2014 |
20150039769 | SMART DEVICE COMBINING METHOD AND APPARATUS THEREOF - Disclosed are a combining method of smart devices and an apparatus thereof. More specifically the combining method of resources of the smart devices and the apparatus thereof are disclosed. The smart device includes a storage unit configured to store identity information of a counterpart device, a sensing unit configured to sense approach by the counterpart device, a control unit configured to determine whether the counterpart device sensed by the sensing unit corresponds to the identity information stored in the storage unit, and a combining processing unit configured to combine a resource of the counterpart device if the counterpart device is determined by the control unit to correspond to the identity information. | 02-05-2015 |
Patent application number | Description | Published |
20120084567 | GROUP SIGNATURE SYSTEM AND METHOD PROVIDING CONTROLLABLE LINKABILITY - A group signature system includes: a key issuer server for generating a first parameter of a group public key, generating a corresponding master issuing key, and issuing a signature key to a user when a user device joins; an opener server for generating a second parameter of the group public key, and a corresponding master opening key and master linking key; and a linker server for checking whether two valid signatures have been linked by using the master linking key when the two signatures corresponding to a group public key are given. The group signature system further includes: a signature verifying unit for confirming a validity of the given signatures and a signer information confirming unit for confirming a validity of singer confirming information generated by the opener server. | 04-05-2012 |
20120099726 | CONTENT PROTECTION APPARATUS AND METHOD USING BINDING OF ADDITIONAL INFORMATION TO ENCRYPTION KEY - The present invention relates to a content protection apparatus and method using binding of additional information to an encryption key. The content protection apparatus includes an encryption unit for creating an encryption key required to encrypt data requested by a user terminal and then generating encrypted data in which the data is encrypted. An additional information management unit manages additional information including authority information about the encrypted data. A White-Box Cryptography (WBC) processing unit generates a WBC table required to bind the encryption key corresponding to the encrypted data to the additional information. A bound data generation unit generates bound data in which the encrypted key is bound to the additional information, using a cipher included in the WBC table. | 04-26-2012 |
20120159166 | METHOD OF VERIFYING KEY VALIDITY AND SERVER FOR PERFORMING THE SAME - Disclosed herein is a method of verifying key validity and a server for performing the method. The method is configured such that a service provision server verifies key validity in an anonymous service for providing local linkability. The service provision server receives a revocation list. A local revocation list is generated using the received revocation list and a secret key. A virtual index of a service user required to verify key validity is calculated. Whether a key of the service user is valid is verified, based on whether the virtual index is included in the local revocation list. | 06-21-2012 |
20120163582 | DATA ENCODING AND DECODING APPARATUS AND METHOD THEREOF FOR VERIFYING DATA INTEGRITY - A data encoding apparatus for verifying data integrity by using a white box cipher includes: an encoding unit for encoding content by using a white box cipher table; and an arithmetic logic unit for performing an arithmetic logic operation on the white box cipher table and content information to output an encoded white box cipher table. The arithmetic logic operation is an exclusive OR operation. The content information is license information of the content or hash value of the license information of the content. | 06-28-2012 |
20120163654 | METHOD AND SYSTEM FOR TRACKING ILLEGAL DISTRIBUTOR AND PREVENTING ILLEGAL CONTENT DISTRIBUTION - A system for tracking an illegal distributor and preventing an illegal content distribution includes: a forensic mark generator for receiving content and a content identification code from a content providing apparatus to generate a forensic mark; a forensic mark database for storing the generated forensic mark; a forensic mark insertion unit for inserting the forensic mark into the content; and a content database for storing the content into which the forensic mark has been inserted. The system further includes a content transmitter for transmitting the content into which the forensic mark has been inserted to the content utilization apparatus. | 06-28-2012 |
20120166309 | AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD USING BARCODES - Disclosed is an authentication method using barcodes. the authentication method includes: converting into a first barcode and outputting, by a first user device, authentication related information provided from a service providing server; receiving, by a second user device, the first barcode; generating, by the second user device, signature information or authentication information on the authentication related information by using a signature key or a certificate; and providing, by the second user device, the signature information or the authentication information to the service providing server. | 06-28-2012 |
20120170740 | CONTENT PROTECTION APPARATUS AND CONTENT ENCRYPTION AND DECRYPTION APPARATUS USING WHITE-BOX ENCRYPTION TABLE - A content protection apparatus using a white-box encryption table includes: a random number generation unit for generating a random number; a white-box encryption table for encrypting the random number and user information provided from a user to generate an encrypted output value; and an operation unit for performing an operation between the encrypted output value and data inputted from an outside to encrypt or decrypt the data. | 07-05-2012 |
Patent application number | Description | Published |
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 |
20120154072 | FBAR DUPLEXER MODULE AND FABRICATION METHOD THEREOF - Disclosed is a fabrication method for miniaturizing a film bulk acoustic wave resonator (FBAR) duplexer module including two FBAR filters, a tuning inductor, and a phase shifter. An exemplary embodiment of the present disclosure provides a method of miniaturizing a FBAR duplexer module, including forming a tuning inductor in a multilayer printed circuit board (PCB), forming a phase shifter in the multilayer PCB, and forming at least one of a transmitting FBAR filter and a receiving FBAR filter in the multilayer PCB. | 06-21-2012 |
20120161326 | COMPOSITION FOR FILLING THROUGH SILICON VIA (TSV), TSV FILLING METHOD AND SUBSTRATE INCLUDING TSV PLUG FORMED OF THE COMPOSITION - Provided is a composition for filling a Through Silicon Via (TSV) including: a metal powder; a solder powder; a curable resin; a reducing agent; and a curing agent. A TSV filling method using the composition and a substrate including a TSV plug formed of the composition are also provided. | 06-28-2012 |
20120164787 | VACUUM WAFER LEVEL PACKAGING METHOD FOR MICRO ELECTRO MECHANICAL SYSTEM DEVICE - Disclosed is a vacuum wafer level packaging method for a micro electro mechanical system device, including: forming a plurality of via holes on an upper wafer for protecting a micro electro mechanical system (MEMS) wafer; forming at least one metal layer on inner walls of the plurality of via holes and regions extended from the plurality of via holes; arranging and bonding the upper wafer and the MEMS wafer at atmospheric pressure; applying solder paste to the regions extended from the plurality of via holes; filling a solder in the plurality of via holes by increasing the temperature of a high-vacuum chamber to melt the solder paste; and changing the solder in the plurality of via holes to a solid state by lowering the temperature of the high-vacuum chamber. | 06-28-2012 |
20130087884 | SILICON INTERPOSER INCLUDING BACKSIDE INDUCTOR - Disclosed is a silicon interposer that can reduce the entire area of a semiconductor package and increase the degree of integration by forming inductors at a lower part in addition to an upper part of a silicon substrate. The silicon interposer includes a silicon substrate, an upper inductor layer formed at the upper part of the silicon substrate and a lower inductor layer formed at the lower part of the silicon substrate. | 04-11-2013 |
20130146342 | PATTERN-FORMING COMPOSITION AND PATTERN-FORMING METHOD USING THE SAME - The present invention relates to a pattern-forming composition used to form a conductive circuit pattern. The pattern-forming composition comprises Cu powders, a solder for electrically coupling the Cu powders, a polymer resin, a curing agent and a reductant. According to the present invention, a circuit pattern having superior conductivity can be formed at low cost. | 06-13-2013 |
20130328200 | DIRECT BONDED COPPER SUBSTRATE AND POWER SEMICONDUCTOR MODULE - Disclosed are a DBC substrate and a power semiconductor module having improved thermal reliability by directly forming a via in a substrate of a semiconductor device used mainly as a power device such as a silicon device, a silicon carbide (SiC) device, and a gallium nitride (GaN) device. The power semiconductor module includes: a DBC substrate including a ceramic base material defining a via, a lower copper layer connected to a bottom surface of the ceramic base material, and an upper copper layer connected to a top surface of the ceramic base material; a power semiconductor device stacked on the upper copper layer of the DBC substrate; and a heat dissipating device connected to the lower copper layer of the DBC substrate, and dissipating heat, generated by the operation of the power semiconductor device, through the via. | 12-12-2013 |
20140117070 | METHOD OF FABRICATING A SOLDER-ON-PAD STRUCTURE AND FLIP-CHIP BONDING METHOD USING THE SAME - A method of fabricating a solder-on-pad structure is provided. The method may include providing a substrate with a pad, coating a solder bump maker including a first resin and a solder powder on the substrate, heating the solder bump maker to a temperature lower than a melting point of the solder powder to aggregate the solder powder on the pad, and removing the first resin. | 05-01-2014 |
20140287556 | METHODS OF FORMING BUMP AND SEMICONDUCTOR DEVICE WITH THE SAME - Provided are methods of forming a bump and a semiconductor device with the same. The method may include providing a substrate with pads, forming a bump maker layer to cover the pads and include a resin and solder particles, thermally treating the bump maker layer to aggregate the solder particles onto the pads, removing the resin to expose the aggregated solder particles, forming a resin layer to cover the aggregated solder particles, and reflowing the aggregated solder particles to form bumps on the pads. | 09-25-2014 |
20140367375 | METHOD OF FABRICATING A SOLDER PARTICLE - Provided is a method of fabricating a solder particle including adding a first magnetic bar in a first container including a mixture containing first solder particles formed through a mixing process, disposing the first container in a second container including a second magnetic bar, operating the first magnetic bar and the second magnetic bar, and applying heat to the first container to melt the first solder particles. | 12-18-2014 |
20150043175 | BONDING STRUCTURE OF ELECTRONIC EQUIPMENT - Provided is a bonding structure of an electronic equipment including first electrodes extended in a first direction and arranged in a second direction on a stretchable display panel having stretchability, second electrodes extended in a first direction and arranged in a second direction on a substrate and facing the first electrodes, and solder bonding parts interposed between the first electrodes and the second electrodes, facing each other in the second direction, and constituting a plurality of rows in the first direction. | 02-12-2015 |
Patent application number | Description | Published |
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 |
20120165027 | COMMUNICATION SYSTEM INCLUDING FEMTO BASE STATION - Provided is a terminal to transmit wireless environment measurement information to a femto base station, and the femto base station to receive the wireless environment measurement information from the terminal. The femto base station may perform initialization based on the wireless environment measurement information, or may transmit the wireless environment measurement information to a base station control unit. The base station control unit may determine whether to additionally install a second femto base station based on the wireless environment measurement information. | 06-28-2012 |
20130150042 | OPERATING METHOD OF CSG FEMTO BASE STATION, HANDOVER METHOD OF HANDOVER TO CSG FEMTO BASE STATION AND MANAGING METHOD OF MANAGING INFORMATION OF NEIGHBORING CSG FEMTO CELL - Disclosed is an operating method of a femto base station which includes broadcasting a plurality of public land mobile network (PLMN) identities; broadcasting a plurality of closed subscriber group (CSG) identities correlated with the plurality of PLMN identities; and establishing wireless communication with user equipment based on the broadcasted PLMN and CSG identities. | 06-13-2013 |
20130210439 | SYSTEM FOR TRANSMITTING SYSTEM INFORMATION OF LTE-BASED FEMTOCELL - Provided are a mobile communication system comprising a femto base station for transmitting system information, and a terminal for receiving the system information from the femto base station. The terminal receives the system information from the femto base station, and during other times, receives data from a serving macro base station. | 08-15-2013 |
20140162633 | METHOD OF PROVIDING SERVICE CONTINUITY BETWEEN CELLULAR COMMUNICATION AND DEVICE-TO-DEVICE COMMUNICATION - A method of providing service continuity between cellular communication and device-to-device communication is disclosed. A procedure for switching between cellular communication and device-to-device communication according to an example embodiment of the present invention may include transferring, by a gateway, a D2D bearer creation request message to an MME, transferring, by the MME, the D2D bearer creation request message to a base station, mapping, by the base station, D2D bearer QoS to D2D radio bearer QoS and transmitting an RRC connection reconfiguration message to terminals, receiving, by the base station, an RRC connection reconfiguration completion message indicating creation of a D2D radio bearer from the terminals, transmitting, by the base station, a D2D bearer creation response message indicating creation of a D2D bearer to the MME, and transferring, by the MME, the D2D bearer creation response message to the gateway. | 06-12-2014 |
20140194115 | METHOD FOR DISCOVERY IN DEVICE-TO-DEVICE COMMUNICATIONS AND APPARATUS FOR THE SAME - A method for discovery in device-to-device communications and an apparatus for the same are disclosed. The method performed in a device-to-device server supporting device-to-device discovery between a discovery terminal and a discoverable terminal may include receiving a device-to-device discovery participation message from the discoverable terminal, requesting a gateway to measure a proximity between the discovery terminal and the discoverable terminal, receiving a proximity measurement result from the gateway, and requesting the discovery terminal and the discoverable terminal to initiate a procedure of device-to-device discovery when the proximity measurement result satisfies a predetermined threshold. Thus, the procedure of device-to-device discovery may be performed efficiently. | 07-10-2014 |
Patent application number | Description | Published |
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 |
20120095754 | METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING LAYERED SINUSOIDAL PULSE CODING - Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio signal, dividing the transformed audio signal into a plurality of subbands, performing a first sinusoidal pulse coding operation on the subbands, determining a performance region of a second sinusoidal pulse coding operation among the subbands on the basis of coding information of the first sinusoidal pulse coding operation, and performing the second sinusoidal pulse coding operation on the determined performance region, wherein the first sinusoidal pulse coding operation is performed variably according to the coding information. Accordingly, it is possible to further improve the quality of a synthesized signal by considering the sinusoidal pulse coding of a lower layer when encoding or decoding an audio signal in an upper layer by a layered sinusoidal pulse coding scheme. | 04-19-2012 |
20130030795 | ENCODING METHOD AND APPARATUS, AND DECODING METHOD AND APPARATUS - An encoding method of an encoder is provided. The encoder generates first MDCT coefficients by transforming an input signal, and generates MDCT indices by quantizing the first MDCT coefficients. The encoder generates second MDCT coefficients by dequantizing the MDCT indices, and calculates MDCT residual coefficients using differences between the first MDCT coefficients and the second MDCT coefficients. The encoder generates a residual index by encoding the MDCT residual coefficients, and generates gain indices corresponding to gains from the first MDCT coefficients and the second MDCT coefficients. | 01-31-2013 |
20130166752 | METHOD FOR DISTRIBUTING AND MANAGING INTERDEPENDENT COMPONENTS - A method for distributing components of a distributed computing system, according to an embodiment of the present invention, includes determining an appropriate number of available server instances, classifying a plurality of components loaded on the distributed computing system into clusters of which the number is equal to the number of the available server instances with reference to interdependent relations among the components, calculating an amount of computing resources required for each of the component clusters classified, rearranging the component clusters to adjust each of the amount of computing resources required for the component clusters to a value within an appropriate range, and deploying the component clusters, of which the computing resource request amounts are adjusted, to the available server instances. | 06-27-2013 |
20130167006 | WIKI-BASED INFORMATION PROVISION SYSTEM AND INFORMATION RETRIEVAL METHOD USING RELATIONSHIPS BETWEEN USERS - Disclosed are a system and method for sharing and retrieving information through a Wiki technology. A Wiki-based information provision system according to the present invention includes a Wiki information input unit for receiving, from a user, a command for writing or changing Wiki information defining a web page written and shared by users included in a group consisting of a plurality of users; and a Wiki server for managing the Wiki information input by the user by using information about associative relationship between the users according to classes or interests of the users. The system according to the present invention may filter a retrieval result using associative relationship between users and first provide information written by a user of the same group as the retrieval result, thus establishing an efficient knowledge collaboration structure. | 06-27-2013 |
20140098786 | APPARATUS AND METHOD FOR CONTROLLING SESSION MOBILITY, AND APPARATUS AND METHOD FOR REGISTERING IP MULTIMEDIA SUBSYSTEM - An individual IMS terminal acquires address and place information of a service discovery server present in the local IP network from an AP. Next, the individual IMS terminal may query the service discovery server to find out an SIP URL address of a sharing IMS terminal. When the individual IMS terminal finds out the sharing IMS terminal, its own IMS subscription information is transmitted to the sharing IMS terminal. The sharing IMS terminal is dynamically registered in the IMS depending on the received IMS subscription information. When the process ends, the sharing IMS terminal has the same IMS subscription information as the individual IMS terminal, such that the session mobility control provided by the IMS may be applied as it is. | 04-10-2014 |
20140214694 | METHOD AND APPARATUS FOR MANAGING GROUP WORKSPACES - When a workspace management apparatus for a group receives a request message for group management from a client terminal, the workspace management apparatus manages a group in a first service according to the request message and requests workspace management for a group from a plurality of servers that each provides other services different from the first service. | 07-31-2014 |
20140310007 | 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. | 10-16-2014 |
20140324417 | METHOD AND APPARATUS FOR ENCODING AND DECODING AUDIO SIGNAL USING LAYERED SINUSOIDAL PULSE CODING - Provided are a method and an apparatus for encoding and decoding an audio signal. A method for encoding an audio signal includes receiving a transformed audio signal, dividing the transformed audio signal into a plurality of subbands, performing a first sinusoidal pulse coding operation on the subbands, determining a performance region of a second sinusoidal pulse coding operation among the subbands on the basis of coding information of the first sinusoidal pulse coding operation, and performing the second sinusoidal pulse coding operation on the determined performance region, wherein the first sinusoidal pulse coding operation is performed variably according to the coding information. Accordingly, it is possible to further improve the quality of a synthesized signal by considering the sinusoidal pulse coding of a lower layer when encoding or decoding an audio signal in an upper layer by a layered sinusoidal pulse coding scheme. | 10-30-2014 |
20140337372 | METHOD OF PROVIDING PROGRAM USING SEMANTIC MASHUP TECHNOLOGY - A method of providing a program is provided. The method includes: receiving a query of a user; semantically analyzing the query of the user; determining an intent of the user using an intent graph; recommending at least one service based on the determined intent; mashing up a selected at least one service in response to a service being selected with respect to the recommended at least one service; and providing a program generated by a result of the mashing up. | 11-13-2014 |
Patent application number | Description | Published |
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 |
20120126982 | ELECTRONIC SHELF LABEL (ESL) APPARATUS USING RADIO FREQUENCY IDENTIFICATION (RFID) AND METHOD FOR OPERATING THE ESL APPARATUS - Provided are an electronic shelf label (ESL) apparatus using radio frequency identification (RFID) and an operation method of the ESL apparatus. The ESL apparatus may include an ESL tag to be attached to a shelf and a radio tag reader to store, in the ESL tag, details that is received from an ESL server, in response to an article information update request from the ESL server. | 05-24-2012 |
20130162401 | APPARATUS AND METHOD FOR TRANSMITTING TAG DATA - A tag transmitting apparatus of a passive RFID system generates a plurality of orthogonal square waves, converts tag data to a plurality of parallel data, and transmits the plurality of parallel data to a reader using a plurality of square waves as a subcarrier. | 06-27-2013 |
20130214046 | READER ANTENNA AND RFID ELECTRONIC SHELF INCLUDING THE SAME - A reader antenna includes dipole antennas, the dipole antennas including: a horizontal dipole antenna having the characteristic of horizontal polarization; and a dipole antenna perpendicular to the horizontal dipole antenna and including a vertical dipole antenna having the characteristic of vertical polarization, wherein the horizontal dipole antenna and the vertical dipole antenna may both have the characteristic of circular polarization. The reader antenna can be easily stored in an electronic shelf because it is realized in an ultrathin structure using a single-layered dielectric substrate. | 08-22-2013 |
20140085162 | LOOP ANTENNA - A loop antenna includes first and second loops that are formed with respective conductive wires. In this case, the second loop is formed with a double loop having current paths of opposite directions. | 03-27-2014 |
20140111310 | SYSTEM FOR SIMULTANEOUSLY IDENTIFYING MASSIVE RFID TAGS USING HF BAND - A tag of an apparatus for simultaneously identifying massive tags according to the present invention may include an analog circuit unit to communicate with a reader through an analog signal and to receive energy via magnetic coupling with the reader. Further, the tag may include a digital circuit unit to be supplied with power from the analog circuit unit. The digital circuit unit may support a sleep mode for the tag to stand by in a low power state after transmitting an identifier (ID) to the reader and a wait mode for controlling random access to the reader. | 04-24-2014 |
20140306805 | TAG APPARATUS FOR HIGH-RATE DATA TRANSMISSION AND COMMUNICATION METHOD THEREOF - A tag apparatus communicating with a reader acquires a command from a signal that is received from the reader, converts data corresponding to the acquired command to a plurality of multi-level parallel data, and generates a plurality of tag load impedances based on bias voltages that are mapped to correspond to each level of the plurality of parallel data. Therefore, a signal having electrical energy corresponding to the plurality of tag load impedances is transmitted to the reader. | 10-16-2014 |
Patent application number | Description | Published |
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 |
20130171040 | REACTION DEVICE FOR PRODUCING HYDROCARBONS FROM SYNTHESIS GAS - Disclosed is a reaction device for producing hydrocarbons from synthesis gas, in which hydrocarbons, olefins, oxygenates, etc., are produced over a Fischer-Tropsch catalyst by using synthesis gas, so that catalyst particles can easily be from a slurry which is discharged to the outside. That is, the present invention provides a reaction device for producing hydrocarbons from synthesis gas, in which an internal filter system for separating particles enlarged due to a agglomeration phenomenon of a catalyst is installed inside the reactor, and an separating device is separately disposed outside, such that it is possible to recirculate only particles having a size appropriate for performing F-T synthesis in the slurry phase, and additionally, it is possible to effectively discharge and process a catalyst aggregated due to a combination of fine catalyst particles, the catalyst chipped off during the operation, etc., liquid hydrocarbon, resulting water, etc., in the slurry phase reactor. | 07-04-2013 |
20140057780 | 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. | 02-27-2014 |
Patent application number | Description | Published |
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 |
20120177956 | ELECTROLYTE SOLVENT FOR IMPROVING SAFETY OF BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrolyte solvent for batteries, which comprises fluoroethylene carbonate and linear ester solvent. Also, the present invention provides a lithium secondary battery comprising a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate and linear ester solvent. The inventive electrolyte solvent can improve the battery safety without deteriorating the battery performance. | 07-12-2012 |
20120177999 | ELECTROLYTE SOLVENT FOR IMPROVING SAFETY OF BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The present invention provides an electrolyte solvent for batteries, which comprises fluoroethylene carbonate and linear ester solvent. Also, the present invention provides a lithium secondary battery comprising a positive electrode, a negative electrode and an electrolyte, wherein the electrolyte comprises fluoroethylene carbonate and linear ester solvent. The inventive electrolyte solvent can improve the battery safety without deteriorating the battery performance. | 07-12-2012 |
20140212750 | LITHIUM SECONDARY BATTERY COMPRISING SPHERICAL GRAPHITE AS ANODE ACTIVE MATERIAL - Disclosed is an anode active material for lithium secondary batteries that includes natural graphite particles consisting of spherical particles of agglomerated graphite sheets, outer surfaces of which are not coated with a carbon-based material, wherein the surfaces of the particles have a degree of amorphization of at least 0.3 within a range within which an R value [R=I | 07-31-2014 |
20140287316 | ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Provided is an anode for a lithium secondary battery composed of a multi-layered structure including an electrode current collector, a first anode active material layer including a first anode active material formed on the electrode current collector, and a second anode active material layer including a second anode active material having relatively lower press density and relatively larger average particle diameter than the first anode active material. | 09-25-2014 |
20150017529 | CATHODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING SAME - Disclosed is a cathode active material for secondary batteries in which a carboxymethyl cellulose derivative is coated on surfaces of particles of a lithium transition metal oxide having the formula Li | 01-15-2015 |
20150030923 | LITHIUM SECONDARY BATTERY HAVING ANODE CONTAINING AQUEOUS BINDER - Disclosed is a lithium secondary battery that includes an anode coated with an anode mixture including an anode active material, a cathode coated with a cathode mixture including a cathode active material, and a non-aqueous electrolyte, wherein the anode mixture includes, as aqueous binders, carboxymethyl cellulose (CMC) having a degree of substitution of a hydroxyl group (—OH) with a carboxymethyl group (—CH | 01-29-2015 |
Patent application number | Description | Published |
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 |
20120163192 | METHOD OF DECIDING RADIO LINK FAILURE AT BASE STATION - Disclosed is a method of deciding a radio link failure at a base station. The method includes initializing a signal quality degradation count value, measuring an uplink signal quality at predetermined time intervals, and increasing the signal quality degradation count value when the uplink signal quality is less than a predetermined lower limit quality threshold value, wherein a radio link failure is decided when the signal quality degradation count value reaches a predetermined radio link failure decision threshold value while the measuring of the uplink signal quality and the increasing of the signal quality degradation count value are repetitively performed a predetermined number of times. | 06-28-2012 |
20140335882 | METHOD FOR CONFIGURING DUAL CONNECTIVITY - Disclosed is a method for configuring dual connectivity. A method for configuring dual connectivity, performed in a base station, may comprise receiving measurement information about a neighbor cell of the terminal from the terminal; obtaining information for configuring dual connectivity from the terminal or the base station; determining whether to configure dual connectivity based on the measurement information and the information for configuring dual connectivity; and when the dual connectivity is to be configured, transmitting a message instructing to configure the dual connectivity to the terminal. | 11-13-2014 |
Patent application number | Description | Published |
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 |
20120184604 | COMPOSITION FOR THE PREVENTION OR TREATMENT OF BONE DISEASES COMPRISING COLFORSIN DAROPATE - The present invention relates to a pharmaceutical composition for the prevention or treatment of bone diseases comprising colforsin daropate, and more particularly, the present invention relates to a pharmaceutical composition for the prevention or treatment of bone diseases such as bone fracture and osteoporosis, which inhibits osteoclast differentiation and bone resorption caused by osteoclasts and promotes osteoblast differentiation and the activity of osteoblasts, and a health functional food composition comprising colforsin daropate. | 07-19-2012 |
20130123297 | PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING OSTEOPOROSIS OR OBESITY COMPRISING PHENYLTETRAZOLE DERIVATIVE - A pharmaceutical 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. | 05-16-2013 |
20140024636 | SULFAMIDE DERIVATIVE HAVING AN ADAMANTYL GROUP AND ITS PHARMACEUTICALLY ACCEPTABLE SALT - Provided is a sulfamide derivative having an adamantyl group represented by the following Formula 1, or a pharmaceutically acceptable salt thereof. The sulfamide derivative suppresses the activity of 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1), and is useful in the treatment of various diseases that are mediated by 11β-HSD1. | 01-23-2014 |
Patent application number | Description | Published |
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 |
20120144443 | SYSTEM AND METHOD FOR EXECUTING SOURCE BUFFERING FOR MULTIPLE INDEPENDENT GROUP TRANSMISSION OF REAL-TIME ENCODED SCALABE VIDEO CONTENTS - A system and method for performing source buffering to transmit a real-time encoded scalable video to multiple transmission groups are provided. A streaming system for providing a scalable video bitstream for each multicast group may include an encoder source buffer to receive a scalable video bitstream and to store the received scalable video bitstream, and a plurality of subgroup transmitters, each to receive data of different layers in the stored scalable video bitstream from the encoder source buffer, to packetize the received data, and to transmit the packetized data to a terminal. | 06-07-2012 |
20130094594 | METHOD FOR CONFIGURING AND TRANSMITTING M-UNIT - A method for configuring and transmitting an M-unit in a system are provided. The method for configuring an M-unit in a system includes receiving an MFU (Media Fragment Unit) from a media encoder, and configuring an M-unit including the MFU in payload, wherein the M-unit is configured to include an M-unit header including information required to be discriminated in every M-unit and a reference header including information not dependent on the M-unit. | 04-18-2013 |
20130124699 | APPARATUS AND METHOD FOR TRANSCEIVING A STREAMING SERVICE - Provided is an apparatus and method for transmitting and receiving a streaming service. The apparatus and method for transmitting and receiving a streaming service may use a light multimedia file suitable for a Hypertext Transfer Protocol (HTTP) streaming service. Using an HTTP hint track, an International Organization for Standardization (ISO) file generated in a non-interleaved storing scheme that is unsuitable for an HTTP streaming service may be converted into an ISO file based on an interleaved storing scheme that is suitable for an HTTP streaming service. An ISO file may include multiple media tracks for supporting multiple bitrates and resolutions. Chunk data of media tracks that provide multiple multimedia qualities may be effectively acquired, and a light ISO file suitable for an HTTP streaming service may be generated by storing the acquired chunk data in an interleaved scheme. | 05-16-2013 |
20130124749 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENTS - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include a minBufferTime attribute indicating a minimum amount of initially buffered media content. A terminal may receive content from a server before playback of the content, and may buffer the content by at least the minimum amount. The metadata may include a range attribute that designates a range of a target indicated by a Uniform Resource Locator (URL). The terminal may receive bytes designated by the range attribute from the URL, and may play back the content using the received bytes. | 05-16-2013 |
20130159546 | METHOD AND DEVICE FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata of the content may be efficiently divided for a purpose of use of a terminal based on general media information or specific media information, and may be transmitted to the terminal. A group may include one or more representations of content. The metadata may include a group element, and the group element may provide a summary of attributes of one or more representations included in the group. | 06-20-2013 |
20130166771 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other. | 06-27-2013 |
20130185398 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of media content are provided. The media content may include a sequence of one or more periods. The metadata may include a start time attribute and/or a duration attribute of each of the periods. The metadata may determine a start time of each of the periods, and a start time of each of segments included in each of the periods. A terminal may access segments included in each of the periods, may decode and render data of media content included in the segments, and may play back the media content. | 07-18-2013 |
20130198790 | METHOD AND APPARATUS FOR ACCESSING SERVICE DISCOVERY METADATA - Provided is a method and apparatus for accessing service discovery metadata. Advance Internet Protocol Television (AIT) devices may access discovery metadata of different schemes using a generic protocol based on the moving picture experts group (MPEG) Extensible Middleware (MXM). According to the above access scheme, end-user devices, description service provider devices, and IPTV service provider devices may exchange metadata. Subsequent modification and addition of a metadata scheme may be supported. | 08-01-2013 |
20130212291 | METHOD AND APPARATUS FOR STREAMING A SERVICE FOR PROVIDING SCALABILITY AND VIEW INFORMATION - A method and apparatus for inserting scalability and view information into a Moving Picture Experts Group-2 (MPEG-2) Transport Stream (TS) header are provided. When a scalable video or multi-view video is transmitted using an MPEG-2 system, scalability information or view information regarding the scalable video or multi-view video in a payload in a TS level may be used. Using the scalability information or view information, the TS-packetized scalable video or multi-view video may be efficiently adapted to various terminal performances, various network characteristics, a specific user preference, and the like. | 08-15-2013 |
20130282871 | STREAMING SERVICE TRANSMITTING/RECEIVING DEVICE AND METHOD - Provided is an apparatus and method for transmitting and receiving a streaming service. An inter-arrival jitter may correspond to a delay variation in arrival time between TCP packets arriving at an apparatus for receiving the streaming service. The apparatus for receiving the streaming service may determine a de-jitter buffering time to absorb a network jitter before TS packets in a TCP packet is input to a T-STD buffer model. Based on the de-jitter buffering time, an initial playout delay lime at the apparatus for receiving the streaming service may be determined. | 10-24-2013 |
20140115649 | APPARATUS AND METHOD FOR PROVIDING REALISTIC BROADCASTING - Provided is an apparatus for providing realistic broadcasting, the apparatus including a realistic broadcasting platform configured to divide received content into one or more modalities, curate the content with respect to each of the divided modalities, and generate a scenario based on the curated content and information about one or more realistically reproducing devices which are currently available; and an immersive media gateway configured to generate the information about one or more realistically reproducing devices, and provide a realistic broadcasting service to a user based on the curated content and the information about one or more realistically reproducing devices. | 04-24-2014 |
20140122738 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other. | 05-01-2014 |
20140122739 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of content are provided. The metadata may include one or more BaseURL elements. Uniform Resource Locators (URLs) of segments forming media may be generated based on the BaseURL elements. Additionally, a URL of a segment may be generated by mapping a BaseURL element among the BaseURL elements to a sourceURL attribute of the segment. Segments indicated by generated URLs may be identical to each other. | 05-01-2014 |
20140280785 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of media content are provided. The media content may include a sequence of one or more periods. The metadata may include a start time attribute and/or a duration attribute of each of the periods. The metadata may determine a start time of each of the periods, and a start time of each of segments included in each of the periods. A terminal may access segments included in each of the periods, may decode and render data of media content included in the segments, and may play back the media content. | 09-18-2014 |
20140281013 | APPARATUS AND METHOD FOR PROVIDING STREAMING CONTENT - A method and apparatus for an adaptive Hypertext Transfer Protocol (HTTP) streaming service using metadata of media content are provided. The media content may include a sequence of one or more periods. The metadata may include a start time attribute and/or a duration attribute of each of the periods. The metadata may determine a start time of each of the periods, and a start time of each of segments included in each of the periods. A terminal may access segments included in each of the periods, may decode and render data of media content included in the segments, and may play back the media content. | 09-18-2014 |
20140282799 | METHOD FOR TRANSMITTING MEDIA DATA VIA A HETEROGENEOUS IP NETWORK INDEPENDENTLY OF A MEDIA CODEC - The present invention relates to a method for transmitting media data via a heterogeneous IP network, the method efficiently transmitting, independently of a specific media codec, media streaming in the format of a coded media fragment data unit, including a header of a media unit having a minimized size and a simplified structure. | 09-18-2014 |
20140344875 | METHOD FOR TRANSMITTING MEDIA DATA HAVING ACCESS UNIT DIVIDED INTO MEDIA FRAGMENT UNITS IN HETEROGENEOUS NETWORK - The present invention generates a media processing unit (MPU) from the component units of media fragment units in configuring a media processing unit, thus achieving the effects of packaging media data corresponding to various media data structures. | 11-20-2014 |
20150020138 | MMT ASSET STRUCTURE FOR SUPPORTING RANDOM ACCESS TO SYSTEMS FOR TRANSMITTING CODED MEDIA DATA IN HETEROGENEOUS NETWORKS, AND METHOD AND APPARATUS FOR GENERATING SAME - The present invention relates to an MMT asset structure providing free access to an M-unit existing in a specific MMT asset by using an indicator indicating the position of the M-unit and an indicator indicating the size of the M-unit in an MMT asset configuration, and to a method and apparatus for generating same. | 01-15-2015 |
Patent application number | Description | Published |
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 |
20120166926 | HYPERLINK DISPLAY METHOD BASED ON VISIT HISTORY ACCUMULATION - Provided is a hyperlink display method based on a visit history accumulation, which is capable of providing search convenience between web documents by providing a self-updating hyperlink through accumulation of a visit history. The hyperlink display method includes displaying a plurality of hyperlink included in a web document when the web document is selected, recording a weight value of a selected hyperlink when any one of the plurality of hyperlinks is selected, and displaying the weight value of the selected hyperlink on the web document. | 06-28-2012 |
20130198755 | APPARATUS AND METHOD FOR MANAGING RESOURCES IN CLUSTER COMPUTING ENVIRONMENT - Disclosed herein are a resource manager node and a resource management method. The resource manager node includes a resource management unit, a resource policy management unit, a shared resource capability management unit, a shared resource status monitoring unit, and a shared resource allocation unit. The resource management unit performs an operation necessary for resource allocation when a resource allocation request is received. The resource policy management unit determines a resource allocation policy based on the characteristic of the task, and generates resource allocation information. The shared resource capability management unit manages the topology of nodes, information about the capabilities of resources, and resource association information. The shared resource status monitoring unit monitors and manages information about the status of each node and the use of allocated resources. The shared resource allocation unit sends a resource allocation request to at least one of the plurality of nodes. | 08-01-2013 |
20130283286 | APPARATUS AND METHOD FOR RESOURCE ALLOCATION IN CLUSTERED COMPUTING ENVIRONMENT - An apparatus for resource allocation in a clustered computing environment includes: a node search unit configured to search for a node corresponding to necessary resources required for running a job requested by a user, within an available resource group of the clustered computing environment; a node existence determination unit configured to determine whether or not there exists a node having the necessary resources available; and a resource changing unit configured to change at least one of the necessary resources to alternative resources based on a preset priority and then allocate the alternative resource, when it is determined that there is no node having the necessary resources available. | 10-24-2013 |
Patent application number | Description | Published |
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 |
20120248404 | GALLIUM-NITRIDE LIGHT EMITTING DIODE AND MANUFACTURING METHOD THEREOF - The present disclosure relates to a gallium-nitride light emitting diode and a manufacturing method thereof and the gallium-nitride light emitting diode includes an n-type nitride semiconductor layer formed on a substrate; an active layer formed on the n-type nitride semiconductor layer; a p-type doped intermediate layer formed on the active layer; and a p-type nitride semiconductor layer formed on the intermediate layer. | 10-04-2012 |
20120292634 | GALIUM-NITRIDE LIGHT EMITTING DEVICE OF MICROARRAY TYPE STRUCTURE AND MANUFACTURING THEREOF - Disclosed are a microarray type nitride light emitting device and a method of manufacturing the same. More particularly, a uniform current distribution property is ensured by dividing a fine light emitting region by using a first transparent contact layer according to a resistance change property in heat treatment of a material of a transparent conducting oxide used as a transparent contact layer, and connecting the divided light emitting regions by using a second transparent contact layer. | 11-22-2012 |
20130020649 | NITRIDE ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure relates to a nitride electronic device and a method for manufacturing the same, and particularly, to a nitride electronic device and a method for manufacturing the same that can implement various types of nitride integrated structures on the same substrate through a regrowth technology (epitaxially lateral over-growth: ELOG) of a semi-insulating gallium nitride (GaN) layer used in a III-nitride semiconductor electronic device including Group III elements such as gallium (Ga), aluminum (Al) and indium (In) and nitrogen. | 01-24-2013 |
20130069127 | FIELD EFFECT TRANSISTOR AND FABRICATION METHOD THEREOF - A method for fabricating a field effect transistor according to an exemplary embodiment of the present disclosure includes: forming an active layer, a cap layer, an ohmic metal layer and an insulating layer on a substrate; forming multilayered photoresists on the insulating layer; patterning the multilayered photoresists to form a photoresist pattern including a first opening for gate electrode and a second opening for field electrode; etching the insulating layer by using the photoresist pattern as an etching mask so that the insulating layer in the first opening is etched more deeply and the cap layer is exposed through the first opening; etching the cap layer exposed by etching the insulating layer through the first opening to form a gate recess region; and depositing a metal on the gate recess region and the etched insulating layer to form a gate-field electrode layer. | 03-21-2013 |
20130069173 | POWER SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - Disclosed are a power semiconductor device and a method of fabricating the same which can increase a breakdown voltage of the device through a field plate formed between a gate electrode and a drain electrode and achieve an easier manufacturing process at the same time. The power semiconductor device according to an exemplary embodiment of the present disclosure includes a source electrode and a drain electrode formed on a substrate; a dielectric layer formed between the source electrode and the drain electrode to have a lower height than heights of the two electrodes and including an etched part exposing the substrate; a gate electrode formed on the etched part; a field plate formed on the dielectric layer between the gate electrode and the drain electrode; | 03-21-2013 |
20130087763 | LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE SAME - The inventive concept provides light emitting diodes and methods of manufacturing the same. The light emitting diode may include a first electrode layer, a light emitting layer on the first electrode layer, a second electrode layer on the light emitting layer, and a buffer layer formed on the second electrode layer, the buffer layer having concave-convex patterns increasing extraction efficiency of light generated from the light emitting layer. | 04-11-2013 |
20130187197 | HIGH ELECTRON MOBILITY TRANSISTOR AND MANUFACTURING METHOD THEREOF - Disclosed is a manufacturing method of a high electron mobility transistor. The method includes: forming a source electrode and a drain electrode on a substrate; forming a first insulating film having a first opening on an entire surface of the substrate, the first opening exposing a part of the substrate; forming a second insulating film having a second opening within the first opening, the second opening exposing a part of the substrate; forming a third insulating film having a third opening within the second opening, the third opening exposing a part of the substrate; etching a part of the first insulating film, the second insulating film and the third insulating film so as to expose the source electrode and the drain electrode; and forming a T-gate electrode on a support structure including the first insulating film, the second insulating film and the third insulating film. | 07-25-2013 |
20140167070 | ELECTRONIC CHIP AND METHOD OF FABRICATING THE SAME - Provided are an electronic chip and a method of fabricating the same. The semiconductor chip may include a substrate, an active device integrated on the substrate, a lower interlayered insulating layer covering the resulting structure provided with the active device, a passive device provided on the lower interlayered insulating layer, an upper interlayered insulating layer covering the resulting structure provided with the passive device, and a ground electrode provided on the upper interlayered insulating layer. The upper interlayered insulating layer may be formed of a material, whose dielectric constant may be higher than that of the lower interlayered insulating layer. | 06-19-2014 |
20140179088 | METHOD FOR MANUFACTURING SEMICONDUCTOR SUBSTRATE - The inventive concept provides methods for manufacturing a semiconductor substrate. The method may include forming a stop pattern surrounding an edge of a substrate, forming a transition layer an entire top surface of the substrate except the stop pattern, and forming an epitaxial semiconductor layer on the transition layer and the stop pattern. The epitaxial semiconductor layer may not be grown from the stop pattern. That is, the epitaxial semiconductor layer may be isotropically grown from a top surface and a sidewall of the transition layer by a selective isotropic growth method, so that the epitaxial semiconductor layer may gradually cover the stop pattern. | 06-26-2014 |
20140213045 | NITRIDE ELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure relates to a nitride electronic device and a method for manufacturing the same, and particularly, to a nitride electronic device and a method for manufacturing the same that can implement various types of nitride integrated structures on the same substrate through a regrowth technology (epitaxially lateral over-growth: ELOG) of a semi-insulating gallium nitride (GaN) layer used in a III-nitride semiconductor electronic device including Group III elements such as gallium (Ga), aluminum (Al) and indium (In) and nitrogen. | 07-31-2014 |
20140363937 | POWER SEMICONDUCTOR DEVICE AND FABRICATION METHOD THEREOF - Disclosed are a power semiconductor device and a method of fabricating the same which can increase a breakdown voltage of the device through a field plate formed between a gate electrode and a drain electrode and achieve an easier manufacturing process at the same time. The power semiconductor device according to an exemplary embodiment of the present disclosure includes a source electrode and a drain electrode formed on a substrate; a dielectric layer formed between the source electrode and the drain electrode to have a lower height than heights of the two electrodes and including an etched part exposing the substrate; a gate electrode formed on the etched part; a field plate formed on the dielectric layer between the gate electrode and the drain electrode; and a metal configured to connect the field plate and the source electrode. | 12-11-2014 |
20150087142 | HIGH ELECTRON MOBILITY TRANSISTOR AND MANUFACTURING METHOD THEREOF - Disclosed is a manufacturing method of a high electron mobility transistor. The method includes: forming a source electrode and a drain electrode on a substrate; forming a first insulating film having a first opening on an entire surface of the substrate, the first opening exposing a part of the substrate; forming a second insulating film having a second opening within the first opening, the second opening exposing a part of the substrate; forming a third insulating film having a third opening within the second opening, the third opening exposing a part of the substrate; etching a part of the first insulating film, the second insulating film and the third insulating film so as to expose the source electrode and the drain electrode; and forming a T-gate electrode on a support structure including the first insulating film, the second insulating film and the third insulating film. | 03-26-2015 |
Patent application number | Description | Published |
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 |
20120142424 | SCENARIO-BASED LOAD TESTING APPARATUS AND METHOD - Disclosed herein is a scenario-based load testing apparatus and method. The scenario-based load testing apparatus includes a packet analysis unit, a scenario creation unit, and a load generation unit. The packet analysis unit creates a virtual map and game grammar by capturing and analyzing packets sent between a server and a client. The scenario creation unit creates a scenario of a virtual user on the virtual map. The load generation unit generates a load by creating packet data corresponding to the virtual user in compliance with the game grammar and the scenario. | 06-07-2012 |
20120158830 | APPARATUS AND METHOD FOR GENERATING VIRTUAL GAME CLIENTS - Disclosed herein are an apparatus and method for generating virtual game clients. The apparatus includes a description grammar module, a description generation module, and a client generation and control module. The description grammar module includes a game packet description grammar. The description generation module generates a game protocol description corresponding to the structure of a packet protocol of a game and a game protocol sequence description corresponding to the relationship of transmission and reception between packets, based on the game packet description grammar. The client generation and control module generates a virtual game client using the game protocol description and the game protocol sequence description. | 06-21-2012 |
20130137511 | DISTRIBUTED SERVER SYSTEM AND METHOD FOR STREAMING GAME SERVICE - The present disclosure relates to distributed server systems and methods for streaming game service, and in particular, to a distributed server system and method for streaming game service in which an online game is executed for multiple users in a high-performance server computer, and game screens and sounds of multiple users are delivered to client terminals of the multiple users, respectively, by using real-time encoding and streaming. For this purpose, a game service method in a cloud game server includes receiving an access request from a user terminal, receiving unique information about the user terminal, executing a game according to a game event requested by the user terminal, and encoding and transmitting video and audio according to the unique information about the user terminal, where the video and audio is a result of the game execution. | 05-30-2013 |
20130137520 | GAME STREAMING SYSTEM AND METHOD OF SUPPORTING THE MULTIUSER AND MULTIPLATFORM - The present disclosure relates to a game streaming system and method for supporting multiuser and multiplatform, and more particularly to a game streaming system and method for supporting multiuser and multiplatform, which executes a game for multiuser in a server computer having high performance in an online game and transfers multiple game result images and game sound to a client terminal of a corresponding user by using real-time encoding and streaming. | 05-30-2013 |
20140243083 | APPARATUS AND METHOD OF PROVIDING CLOUD SERVICE USING GAME PLATFORM BASED ON STREAMING - Provided is an apparatus and a method of providing a cloud service, the apparatus including an allocation unit to allocate a streaming service providing a service to a user terminal corresponding to a service request for manipulating game content received from the user terminal, a controller to control the game content of the allocated streaming server based on the service request, and a providing unit to stream and provide a result screen of the controlled game content to the user terminal, wherein the controller controls the game content of the allocated streaming server based on a service request re-received from the user terminal provided with the result screen. | 08-28-2014 |
20140287835 | SOUND VIRTUALIZATION METHOD AND APPARATUS - Disclosed are a sound virtualization method and apparatus. The sound virtualization method includes generating virtual sound devices, generating virtual audio devices on the basis of an audio device, acquiring a mapping relation between sounds created by the virtual sound device and sounds output by the virtual audio device, acquiring the sounds from memories on the basis of the mapping relation, and outputting the sounds through the virtual audio devices according to the mapping relation. Accordingly, it is possible to provide sound to a plurality of users. | 09-25-2014 |
Patent application number | Description | Published |
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 |
20130029202 | SEPARATOR FOR ELECTROCHEMICAL DEVICE, MANUFACTURING METHOD THEREOF, AND ELECTROCHEMICAL DEVICE COMPRISING THE SAME - Provided is a separator for an electrochemical device including a plate-like porous substrate, and a porous thin-film coating layer formed on at least one surface of the plate-like porous substrate and containing crosslinked polyester. The crosslinked polyester coating layer hardly affects the air permeability of the separator. Also, the crosslinked polyester coating layer has good hydrophilicity and wettability to an electrolyte, and thus improves the performance of the battery. Also, the crosslinked polyester coating layer has excellent resistance to heat and deformation, and thus prevents the thermal shrinkage of the separator. | 01-31-2013 |
20130171501 | SEPARATOR, MANUFACTURING METHOD THEREOF, AND ELECTROCHEMICAL DEVICE COMPRISING THE SAME - Provided is a separator including a plate-like porous substrate, and a porous thin-film coating layer formed on at least one surface of the plate-like porous substrate, and containing crosslinked polyester formed by polymerization of a multifunctional phenol compound having at least two phenol groups with a multifunctional acyl halide compound of an aromatic compound having at least two acyl halide groups. | 07-04-2013 |
Patent application number | Description | Published |
20090147841 | DISTRIBUTED VIDEO CODING APPARATUS AND METHOD CAPABLE OF CONTROLLING ENCODING RATE - There are provided a distributed video coding apparatus and method capable of controlling an encoding rate, the apparatus including: an intra-frame encoder encoding a key frame and outputting a bit stream of the encoded key frame; an encoder rate control (ERC) module calculating a bit rate according to motion complexity of a present Wyner-Ziv (WZ) frame by using a correlation between the motion complexity and the bit rate; and a turbo encoder encoding the present WZ frame by the bit rate calculated at the ERC module and outputting the encoded WZ bit stream. | 06-11-2009 |
20110149984 | CONFIGURATION MEMORY APPARATUS IN FPGA AND ROUTER SYSTEM USING THE SAME - Disclosed are a configuration memory apparatus and a router system using the same. The configuration memory apparatus includes: a selection unit selecting one of a first external device and a storage unit and receiving data; a register storing input data received from the selection unit; a storage unit storing data received from the register; and an I/O unit controlling transmission and reception of data to and from the register and a second external device. | 06-23-2011 |
20120161813 | SWITCH APPARATUS FOR FIELD PROGRAMMABLE GATE ARRAY - A switch apparatus of a Field Programmable Gate Array (FPGA) includes a pass transistor configured to switch and transfer an input signal to a logic cell according to a value of a configuration memory, and a voltage maintaining unit connected between the configuration memory and a gate of the pass transistor and configured to delay a drop of a gate voltage. | 06-28-2012 |
20120167023 | METHOD FOR SYNTHESIZING TILE INTERCONNECTION STRUCTURE OF FIELD PROGRAMMABLE GATE ARRAY - A method for synthesizing a tile interconnection structure of a field programmable gate array (FPGA) includes: receiving an interconnection structure specification of the FPGA; constructing a tile interconnection graph based on the interconnection structure specification; converting the interconnection structure specification into a connection diagram between two points on the tile interconnection graph; searching for a shortest path for connection requirements between two points from the connection diagram between two points, and building a bundle structure; and synthesizing a tile interconnection structure from the bundle structure. | 06-28-2012 |
20130147516 | SWITCH BLOCK CIRCUIT IN FIELD PROGRAMMABLE GATE ARRAY - A switch block circuit in a field programmable gate array is provided. The switch block circuit includes a configuration memory unit including first group memories and second group memories and a switching unit including first group switching transistors and second group switching transistors. The switch block circuit further includes a selection unit for correspondingly connecting the second group memories with the second group switching transistors depending on an operation mode. The switch block is efficiently reconfigurable depending on the intended use, and configuration memories unused in a specific operation mode may be applied to other purposes. | 06-13-2013 |
20140365926 | APPARATUS AND METHOD FOR PROVIDING GRAPHIC EDITORS - A method and apparatus for providing graphic editors are disclosed. The apparatus includes a coordinate system setting unit, a windowing unit, a window definition unit, a window manager unit, a graphics object setting unit, and an event processing unit. The coordinate system setting unit sets a coordinate system as a real-world coordinate system. The windowing unit converts figures within a data structure into coordinates of a window coordinate system. The window definition unit defines a pair of one view region and a real physical window as one virtual canvas window. The window manager unit converts coordinates of the virtual canvas window into window coordinates. The graphics object setting unit sets graphics objects corresponding to the data structure of the figures. The event processing unit provides a graphic editor so that an event is processed using the graphics characteristics and the graphics objects. | 12-11-2014 |