Patent application number | Description | Published |
20100265274 | OFFSET COMPENSATION GAMMA BUFFER AND GRAY SCALE VOLTAGE GENERATION CIRCUIT USING THE SAME - Disclosed are an offset compensation gamma buffer and a gray scale voltage generation circuit using the same. The offset compensation gamma buffer includes: a buffer which outputs an input voltage input to a positive or negative input terminal as an output voltage; and a switching unit which selectively connects the input voltage and the output voltage of the buffer to the positive and negative input terminals in response to a control signal. The output voltage of the offset compensation gamma buffer is supplied to the input of a gray scale voltage generation circuit of a source driver for driving a liquid crystal panel. The offset of the offset compensation gamma buffer is compensated using an inversion timing of the control signal. The output voltage of the offset compensation gamma buffer is supplied as a reference voltage of the voltage divider unit for generating the gray scale voltages, and the offset of the gray scale voltages is also compensated. | 10-21-2010 |
20110012877 | METHOD FOR GENERATING FRAME-START PULSE SIGNALS INSIDE SOURCE DRIVER CHIP OF LCD DEVICE - Provided is a method of driving a liquid crystal display apparatus, and more particularly, to a method of generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip of a liquid crystal display apparatus. Accordingly, by generating a frame start pulse signal for instructing driving of a specific function of a source driver in a source driver chip unlike a conventional method where the frame start pulse signal is externally input, it is possible to reduce the number of input pins for inputting the frame start pulse signal and to remove an input line for inputting the frame start pulse signal in a process of mounting the source driver chip in a printed circuit board. | 01-20-2011 |
20110043466 | TOUCH SCREEN LIQUID CRYSTAL DISPLAY DEVICE - An touch screen liquid crystal display device includes a panel driving circuit including a gate driving block, a data driving block, and a signal control block and a liquid crystal module that stores data in data pixels through a data pixel line, to which the data pixels are connected, in response to a data signal applied from the data driving block, and reads data through a read pixel line to which read pixels are connected. The read pixels are connected to the data pixels through a share line. | 02-24-2011 |
20110043467 | TIMING ADJUSTING METHOD FOR TOUCH SCREEN LIQUID CRYSTAL DISPLAY DEVICE - Provided is a timing adjusting method for a touch screen liquid crystal display device. A liquid crystal module of the touch screen liquid crystal display device has a structure in which a data line connected to data pixels and a read line connected to read pixels are shared by a share line, and a display mode section for displaying data of the data pixels is performed separately from a read mode section for reading data of the read pixels. | 02-24-2011 |
20110057968 | COG PANEL SYSTEM ARRANGEMENT - Provided is a COG panel system capable of minimizing a block dim effect by considering a relationship among a plurality of chips. The COG panel system includes: an FPC which supplies at least two power supply voltages having a constant voltage level; a plurality of SDIs which are commonly supplied with a bypass power supply voltage from the FPC and generate respective parts of a plurality of consecutive LCD driving signals required for an arbitrary one line of an LCD; and at least one block dim correction resistance. | 03-10-2011 |
20110109816 | CIRCUIT FOR DRIVING LCD DEVICE AND DRIVING METHOD THEREOF - A liquid crystal display driving circuit and method. A data register block of a controller applies in advance a polarity control signal to data before the data are stored in latches of a data driver, exchanges the data, and then stores the exchanged data in the latches. Thereby, it is possible to provide multiplexers, which are otherwise required for respective channels, to one controller and to decrease the size of a chip. | 05-12-2011 |
20110133972 | GAMMA VOLTAGE GENERATOR AND DAC HAVING GAMMA VOLTAGE GENERATOR - A gamma voltage generator includes an RGB common gamma voltage generation section configured to generate RGB common gamma voltages using corresponding gamma reference voltages among a plurality of gamma reference voltages; and at least two of an RG gamma voltage generation section configured to generate RG gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages, an R gamma voltage generation section configured to generate R gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages, a G gamma voltage generation section configured to generate G gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages, and a B gamma voltage generation section configured to generate B gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages. | 06-09-2011 |
20110148848 | OUTPUT DRIVER OF ELECTRONIC PAPER DISPLAY DEVICE - An output driver of an electronic paper display device includes M number of output driver sections configured to transmit M number of pieces of data, respectively, to the electronic paper display device, wherein the M number of output driver sections are divided into a plurality of groups, and are temporally dispersed and driven according to groups, thereby transmitting the M number of pieces of data to the electronic paper display device. Also, an output driver for transmitting data to an electronic paper display device includes N number of drivers, wherein a part of the N number of drivers are selected and driven according to an output impedance of the electronic paper display device. Since output driver sections are divided into groups and are dispersedly driven, peak current is reduced. Since drivers are selectively driven according to the sizes of output loads, a constant driving capability is provided. | 06-23-2011 |
20120161661 | DISPLAY DRIVING CIRCUIT HAVING HALF VDD POWER SUPPLY CIRCUIT BUILT THEREIN AND DISPLAY DRIVING SYSTEM INCLUDING THE SAME - The present invention relates to a display driving circuit and a display driving system, and more particularly, to a display driving circuit having a half-VDD power supply circuit built therein and a display driving system including the same, in which the display driving circuit is further provided with a half voltage VDD terminal in addition to the highest voltage VDD terminal and the lowest voltage VSS terminal, and the half voltage, which is between the highest voltage and the lowest voltage, is generated and supplied by the half voltage power supply from the inside of the display driving circuit, rather than being supplied from an external power supply. | 06-28-2012 |
20120299903 | SOURCE DRIVER CIRCUIT OF LIQUID CRYSTAL DISPLAY DEVICE - Provided is a technology for preventing noisy data from being displayed before valid data is inputted when power is turned on in a liquid crystal display. A source driver circuit for a liquid crystal display includes: a power supply voltage input unit configured to divide a first power supply voltage and a second power supply voltage, such that a middle level of the second power supply voltage is lower than a level of the first power supply voltage; a power supply voltage comparison unit configured to compare division voltages inputted from the power supply voltage input unit, and output an output voltage of a high level in a time period in which the middle level of the second power supply voltage is higher than the level of the first power supply voltage; a Schmitt trigger configured to output the output voltage of the power supply voltage comparison unit as a reset signal while preventing a sensitive response to external environment; and a specific voltage supply unit configured to output a voltage of a specific level in a time period between the input of the reset signal from the Schmitt trigger and the input of a first gate start pulse. | 11-29-2012 |
20130162618 | OUTPUT VOLTAGE STABILIZATION CIRCUIT OF DISPLAY DEVICE DRIVING CIRCUIT - The present invention relates to an output voltage stabilization circuit. Specifically, the present invention relates to an output voltage stabilization circuit of a display device driving circuit, which generates a reference current dependent on a high source voltage using a current source independent of a magnitude of the high source voltage, generates a reference current dependent on a low source voltage using a current source independent of a magnitude of the low source voltage, and then generates a control signal by comparing the magnitudes to each other, whereby the output voltage stabilization circuit may stabilize an output voltage regardless of an order in which the low source voltage and the high source voltage are turned off in a circuit using both the low source voltage and the high source voltage. | 06-27-2013 |
20130335123 | DRIVER IC CHIP AND PAD LAYOUT METHOD THEREOF - Provided is a driver IC chip of a liquid crystal display (LCD). The driver IC chip has a layout of power pads, which may uniformly apply an adhesive force on the entire adhesion surface of the driver IC chip, when the driver IC chip is mounted on a display panel according to a chip-on-glass (COG) technique. | 12-19-2013 |
20140091998 | INPUT BUFFER CIRCUIT AND GATE DRIVER IC INCLUDING THE SAME - The present invention discloses an input buffer circuit capable of recognizing and driving a low-voltage signal, output from a low-voltage environment, in a high-voltage environment and a gate driver IC including the input buffer circuit. The input buffer circuit is configured to include two or more multi-stage inverters and to recognize and output a gate signal having a different voltage domain from an operating voltage. Accordingly, a signal interface environment between chips operating in different voltage domains can be provided. | 04-03-2014 |
20140375536 | DISPLAY DRIVING CIRCUIT AND DISPLAY DEVICE - A display driving circuit is configured to select one of application of a pair of pixel driving signals to a pair of output terminals and charge sharing between the pair of output terminals by using charges discharged from a display panel. | 12-25-2014 |
Patent application number | Description | Published |
20100149965 | APPARATUS AND METHOD FOR RESTORING NETWORK CONNECTED WITH USERS HAVING DIFFERENT RECOVERY REQUIREMENTS - A method of restoring a target network to which users having different recovery requirements are connected is provided. The method includes analyzing network components including availability information of each user and parameters reflecting characteristics of the target network; and determining optimized restoration architecture for the target network based on the result of the analysis. Accordingly, when failure occurs in a network to which various subscribers having different recovery requirements are connected, the network can be promptly recovered from the failure. | 06-17-2010 |
20100150188 | SEED LIGHT MODULE FOR PASSIVE OPTICAL NETWORK - A spectrum-sliced seed light module for a wavelength division multiplexing passive optical network (WDM PON) is provided. The seed light module includes an optical amplifier to amplify seed light, an optical wavelength filter to transmit broadband light, which is output in opposite direction to an output direction of the seed light, at periodic frequency intervals, and a reflective mirror to reflect light which is spectrum-sliced through the optical wavelength filter to the optical wavelength filter. | 06-17-2010 |
20100150560 | APPARATUS AND METHOD FOR TRANSMITTING OPTICAL SIGNALS WITH ENHANCED REFLECTION SENSITIVITY IN WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK (WDM-PON) - Disclosed are an optical transmission apparatus and method in a wavelength division multiplexing passive optical network (WDM-PON). The optical transmission apparatus outputs an optical signal by applying a DC bias current and an RF signal to a laser diode at a threshold current level of the laser diode, thereby broadening an optical spectrum of the laser diode. Accordingly, an optical link becomes less vulnerable to reflection induced noise, which contributes to improve stability and reliability of the optical link. | 06-17-2010 |
20100158513 | APPARATUS AND METHOD FOR MEASURING SIGNAL PERFORMANCE AND APPARATUS FOR SELECTING SIGNAL - Provided are an apparatus and method for measuring signal performance and an apparatus for selecting a signal. The apparatus includes a wavelength selector selecting a signal having a specific wavelength from an input signal, a time selector selecting a signal input at a specific time from the selected signal having the specific wavelength, and a performance measurer measuring signal performance for the signal of the specific wavelength that is input at the specific time and selected by the time selector. Thus, it is possible to measure signal quality of each wavelength-division multiplexing (WDM)-time-division multiplexing (TDM) channel in a WDM-TDM hybrid environment. | 06-24-2010 |
20100158522 | SEED LIGHT MODULE BASED ON SINGLE LONGITUDINAL MODE OSCILLATION LIGHT SOURCE - A seed light module based on a single longitudinal mode oscillation light source is provided. The seed light module includes a multi-wavelength signal generation light source unit generating a continuous wave (CW) of different wavelengths, a multiplexer wavelength-division multiplexing the light output from the light source unit, a polarization beam splitter splitting the light of multiple wavelength components output from the multiplexer according to specific polarization components, phase modulators phase-modulating signals of a first polarization component and a second polarization component split by the polarization beam splitter onto a sine wave having a frequency and amplitude, a radio frequency (RF) signal generator generating the sine wave, a RF signal distributor distributing the generated RF signal, amplifiers amplifying the distributed RF signals, and a polarization beam combiner combining the lights phase-modulated by the respective phase modulators and providing the combined light as a seed light output. | 06-24-2010 |
20100158526 | OPTICAL TRANSCEIVER SUITABLE FOR USE IN HYBRID, PASSIVE OPTICAL NETWORK - Provided is an apparatus for connecting a wavelength division multiplexing passive optical network (WDM-PON) to a time division multiplexing passive optical network (TDM-PON). In a hybrid, passive optical network which is a combination of the WDM-PON and the TDM-PON, the apparatus is formed at a subscriber side for matching the WDM-PPN and the TDM-PON. Accordingly, a passive remote mode can be implemented as a passive node not an active node. Therefore, the entire optical network can be efficiently operated. In addition, since the apparatus located on the subscriber side uses a wavelength-tunable light source, any dependency on the wavelength of a WDM-PON optical signal is removed. | 06-24-2010 |
20110044691 | APPARATUS AND METHOD FOR DETECTING OPTICAL SIGNALS - Disclosed are an apparatus and method for detecting optical signals. The optical signal detection apparatus includes: a signal receiver to convert a received optical signal into an electrical signal; a threshold decision unit to establish a mathematical model based on the electrical signal and to decide an optimized threshold value based on the mathematical model; and a signal detector to detect the electrical signal based on the optimized threshold value. Hence, since threshold values optimized adaptively according to received signals are used, a bit error rate may be lowered and accordingly detection performance may be improved. | 02-24-2011 |
Patent application number | Description | Published |
20090154337 | Protection switching method based on change in link status in ethernet link aggregation sublayer - An Ethernet protection switching method based on a change in link status in a link aggregation sublayer is disclosed. If an Ethernet link aggregation sublayer is present on an Ethernet connection path, a link aggregation sublayer Management Entity Group (MEG) end point is assigned to the Ethernet link aggregation sublayer to generate a link aggregation message for Ethernet connection management and protection switching. When a change in link status is detected in the Ethernet link aggregation sublayer, the link-aggregation-sublayer MEG end point generates and sends the link aggregation message to an MEG end point performing Ethernet connection management and protection switching. Adequate Ethernet protection switching may be performed even in the presence of the link aggregation sublayer. | 06-18-2009 |
20120163163 | APPARATUS AND METHOD FOR PROTECTION SWITCHING OF MULTIPLE PROTECTION GROUP - There is provided a protection switching apparatus including: a path management unit to establish a plurality of connection paths for transmitting/receiving packets, and a plurality of protection paths that are able to substitute for the plurality of connection paths, respectively, and to create a protection group including the connection paths and the protection paths; a protection group controller to determine whether failure has occurred on the connection paths, based on path state information for each path included in the protection group, the path state information stored in the protection group table storage, and to issue an instruction for protection switching, according to the result of the determination; and a protection switching unit to perform protection switching of a path in which failure has occurred to a protection path corresponding to the path in which failure has occurred, according to the instruction for protection switching. | 06-28-2012 |
20140064064 | METHOD AND APPARATUS FOR PROTECTION SWITCHING - An apparatus and method for protection switching are disclosed. The protection switching method in accordance with an example of the present disclosure is capable of smoothly processing a protection switching while preventing a data path mismatch occurring in the protection switching in a case in which a forced switching command (FS), which is a passive command, and a signal failure (SF) of a protection path occur at both end nodes, respectively, when a linear protection switching is performed by use of a protection state coordination message in a packet network or a packet transport network. | 03-06-2014 |
Patent application number | Description | Published |
20110154419 | APPARATUS AND METHOD FOR PROVIDING REMOTE MEDICAL SERVICES AND OPEN IPTV PLATFORM APPARATUS - An Open Internet Protocol Television (IPTV) platform is provided. By providing remote medical services to users in the Open IPTV environment using a remote medical service providing apparatus including: an application programming interface (API) calling unit to call, when receiving a request for receiving a remote medical service from a counselor's terminal, an API of an Open Internet Protocol Television (IPTV) platform; and a service provider to provide the remote medical service to a user through the API, it is possible to provide remote medical service operators with environments where they can develop and share various remote medical to services and content. | 06-23-2011 |
20120124232 | APPARATUS AND METHOD FOR PROVIDING SMART STREAMING SERVICE USING COMPOSITE CONTEXT INFORMATION - There is provided an apparatus for providing a smart streaming service connected to a plurality of unit services each providing a unit service through a network including: a service route selector configured to select at least one unit service server for providing at least one unit service suitable for composite context of a current user from the plurality of unit service servers, using composite context information including information on users, user terminals and unit services, and create service route information that indicates a combination of the at least one selected unit service server; and a service route processor configured to process unit service information provided by the at least one selected unit service server, based on the created service route information, and provide a smart streaming service to the user. | 05-17-2012 |
20120239674 | COMPOSITE CONTEXT INFORMATION MANAGEMENT APPARATUS AND METHOD OF PROVIDING COMPOSITE CONTEXT INFORMATION USING THE SAME - A composite context information management apparatus and a method of providing composite context information using the same. The composite context information management apparatus includes a function providing unit configured to provide a composite context information function corresponding to the operation information from an application control unit; a composite context information processing unit configured to identify pieces of unit contexts and an operation rule based on the composite context information function and the name of the composite context information; and a composite context information presence unit configured to store the pieces of unit contexts corresponding to the name of the composite context information and an instance value for identification of the application and, in response to the application being executed in the user terminal, use the pieces of unit contexts and the operation rule to the user terminal. | 09-20-2012 |
20130151553 | METHOD AND APPARATUS FOR PROCESSING A COMPOSITE CONTEXT EVENT - There is provided a system for processing composite context events that provides a composite context-aware application service developer with an interface enabling subscription to composite context information such that the service developer can easily use the composite context information in a composite context-aware application service, and receives, when an event corresponding to the subscribed composite context information is generated, a result of processing the composite context information so as to provide a user with an appropriate context-aware service according to a result of processing the composite context information. | 06-13-2013 |
Patent application number | Description | Published |
20090073973 | Router having black box function and network system including the same - A router having a black box function capable of storing a data block of a specific node or node group in a network, and a network system including the router are provided. The router includes: a black box memory storing node data; at least one packet preprocessor selecting and processing a data packet required to be stored in a black box from node data transferred via a wired/wireless transmission medium; a data storage storing the node data transferred through the packet preprocessor in the black box memory; a data reader reading corresponding node data in response to a node data transfer request from an external device; and a data transmitter processing the node data read by the data reader in the form of a packet and transferring the packet to the external device. | 03-19-2009 |
20120144487 | ROUTING APPARATUS AND METHOD FOR DETECTING SERVER ATTACK AND NETWORK USING THE SAME - Routing apparatus and method for detecting a server attack are disclosed. The routing apparatus includes: a reception unit configured to receive a packet transmitted in a network; a transmission unit configured to transmit the packet along a transmission path; a memory unit configured to store data and/or information required for an operation; and a controller configured to set the transmission path of the packet in the network and perform packet switching along the set transmission path, wherein the reception unit receives server state information from servers at every certain time, the memory unit stores the received server state information, and the controller calculates a change in the state of the servers based on the received server state information, and determines that a server is attacked when a change in the state of the server is greater than a certain threshold value. | 06-07-2012 |
20120151583 | DDOS ATTACK DETECTION AND DEFENSE APPARATUS AND METHOD - A Distributed Denial of Service (DDoS) attack detection and defense apparatus and method are provided. The Distributed Denial of Service (DDoS) attack detection and defense apparatus includes: a flow information collection unit to collect, from one or more input packets with an IP address of an attack target system as a destination IP address, flow information including source IP addresses of the input packets and packet counts of one or more flows that are classified for each of the source IP addresses and each of different protocol types; an inspection unit to calculate packets per second (PPS) values of the flows based on the packet counts; and a response unit to determine a DDoS attack response method for each of the flows based on the PPS value and the protocol type of a corresponding flow and to process the corresponding flow using the determined DDoS attack response method | 06-14-2012 |
20120151593 | DISTRIBUTED DENIAL OF SERVICE ATTACK DETECTION APPARATUS AND METHOD, AND DISTRIBUTED DENIAL OF SERVICE ATTACK DETECTION AND PREVENTION APPARATUS FOR REDUCING FALSE-POSITIVE - Provided is a DDoS attack detection apparatus including an information collecting unit to collect DDoS detection information including rate information about traffic change, variation of a first type flow and a Packet Per Second (PPS) for a second type flow, in which the rate information about traffic change is obtained using packet count of packets input per a unit time, flow count of flows input per the unit time and the byte count of bytes input per the unit time; and a testing unit to calculate a probability of occurrence of the DDoS attack by use of a first probability determined by the rate information about traffic change, a second probability determined by the variation of the first type flow and a third probability determined by the PPS for the second type flow and detect occurrence of the DDoS attack based on the probability of occurrence of the DDoS attack. | 06-14-2012 |
20130212241 | SYSTEM AND METHOD FOR OPERATING NETWORK BASED ON NETWORK VIRTUALIZATION - A virtual network operating apparatus and method are provided. The virtual network operating method includes configuring, by a virtual network operating apparatus, a plurality of virtual networks identified by domain names, setting, by the virtual network operating apparatus, representative virtual routers representing each of the virtual networks for each virtual network, setting, by the virtual network operating apparatus, representative routing information including an IP address of each of the representative virtual routers in each virtual router included in the virtual networks, and transmitting, by each virtual router, a packet using the set representative routing information. | 08-15-2013 |
Patent application number | Description | Published |
20120076215 | METHOD AND APPARATUS FOR TRANSMITTING ADDITIONAL DATA IN DIGITAL TERRESTRIAL BROADCASTING SYSTEM - A method and an apparatus for transmitting additional data in a digital terrestrial broadcasting system are provided. The apparatus includes: a main signal generating unit channel-coding main data and converting the main data into a main signal; an additional signal generating unit channel-coding additional data and converting the additional data into an additional signal; a mixed signal generating unit generating a mixed signal by coupling the main signal and the additional signal to each other; and a mixed signal transmitting unit modulating the mixed signal and transmitting the modulated mixed signal to a receiver through a transmission antenna, wherein the additional data is additional data requested by a specific user possessing the receiver and the specific user provides information on an additional data transmitter. | 03-29-2012 |
20120093259 | METHOD AND APPARATUS FOR TRANSMITTING CONTENT, METHOD AND APPARATUS FOR RECEIVING CONTENT, AND CONTENT SERVICE SYSTEM - A method and an apparatus for transmitting contents, a method and an apparatus for receiving contents, and a content service system are provided. The method for transmitting contents includes converting first contents including distortion part contents in which at least an area of a specific part of source contents is subjected to distortion processing into a transmittable type through a transmission network to generate a first transmission signal; converting any one the source part contents that are the part contents corresponding to the part of the source contents and differential information between the source part contents and the distortion part contents into a transmittable type through the transmission network to generate the second transmission signal; and transmitting part information indicating the first transmission signal, the second transmission signal, and the part through the transmission network. | 04-19-2012 |
20120093262 | METHOD AND APPARATUS OF MODULATING SIGNAL IN BROADCASTING AND COMMUNICATION SYSTEM - Modulating method and apparatus in a broadcasting and communication system are provided. The modulating apparatus includes: a first quadrature phase shift keying (QPSK) modulating unit QPSK-modulating first data including in-phase (I) data and quadrature (Q) data to generate a first signal; a phase rotating unit rotating a phase of the first signal by θ to generate a phase rotated signal; a second QPSK modulating unit QPSK-modulating second data different from the first data and including I′ data and Q′ data to generate a second signal; and a layer modulating unit modulating the phase rotated signal and the second signal to output a final signal. | 04-19-2012 |
20130101072 | APPARATUS AND METHOD FOR EFFICIENT DIGITAL BROADCASTING BASED ON SINGLE FREQUENCY NETWORK - The present invention relates to an apparatus and method for simultaneous channel estimation in a digital broadcast system based on a single frequency network | 04-25-2013 |
20130142219 | METHOD AND APPARATUS FOR ADDITION DATA TRANSMISSION AND RECEPTION IN DIGITAL BROADCAST SYSTEM - Provided are an apparatus for addition data transmission includes: an IF broadcasting signal generating unit receiving the broadcast data, and FEC and modulation of the received broadcast data to generate a broadcasting signal in an intermediate frequency (IF) band; an IF addition signal generating unit receiving the addition data to generate an addition signal in the IF band by using direct sequence spread spectrum (DSSS); an average power controlling unit controlling average power of the addition signal in the IF band; a signal combining unit combining the broadcasting signal in the IF band and the addition signal in the IF band to generate a combination signal; an RF upward converting unit upwardly converting the combination signal in a signal in a radio frequency (RF) band to a combination signal in the RF band; and a transmitting unit transmitting the combination signal in the RF band. | 06-06-2013 |
20130235865 | APPARATUS AND METHOD FOR TRANSMITTING DATA IN BROADCASTING SYSTEM - An apparatus for transmitting data in a broadcasting system is provided. The apparatus comprises a basic broadcasting data encoder configured to encode basic broadcasting data streams to generate basic broadcasting signals; a synchronization unit configured to acquire synchronization information for synchronization between the basic broadcasting data streams and at least one additional data packet; an additional data multiplexing unit configured to input the synchronization information to each of the additional data packets and multiplex the additional data packets to which the synchronization information is input to generate additional data streams; an additional data encoder configured to encode the additional data streams to generate additional signals; an adding unit configured to generate mixed signals based on the basic broadcasting signals and the additional signals; a modulating unit configured to modulate the mixed signals to generate transmission signals; and a transmitting unit transmitting the transmission signals. | 09-12-2013 |
20130251075 | SOFT DECISION BIT DETECTION AND DEMODULATION METHOD FOR DIGITAL MODULATION METHOD - In the present invention, deciding M final soft decision bit values includes a first step of securing an I channel value and a Q channel value of the received transmission signal, a second step of securing initial soft decision bit values for a first bit and a second bit by using the secured I channel value and the secured Q channel value, a third step of cyclically securing initial soft decision bit values for a third bit to an M | 09-26-2013 |
20130322369 | FRAME STRUCTURE FOR TERRESTRIAL CLOUD BROADCAST AND A METHOD OF RECEIVING THE SAME - A transmitting/receiving apparatus and method for separating multiple broadcast signals in a terrestrial cloud broadcast service are provided. A method of transmitting a terrestrial cloud broadcast signal by a terrestrial cloud broadcast signal transmitting apparatus may include generating the terrestrial cloud broadcast signal based on a frame structure for terrestrial cloud broadcast, the frame structure including a plurality of sub-frames, wherein a first sub-frame of the sub-frames includes two or more preamble symbols and transmitting the generated terrestrial cloud broadcast signal. | 12-05-2013 |
20130322423 | TRANSMITTING AND RECEIVING APPARATUS AND METHOD FOR SEPARATING MULTIPLE BROADCAST SIGNALS IN TERRESTRIAL CLOUD BROADCAST SYSTEM - A transmitting and receiving apparatus and method for separating multiple broadcast signals from each other in a terrestrial cloud broadcast system are provided. A terrestrial cloud broadcast signal transmitting apparatus may include a plurality of transmitters for transmitting a plurality of terrestrial cloud broadcast signals, wherein each of the plurality of transmitters includes, an encoder encoding input data to generate a code word and a scrambler scrambling the generated code word using a scramble sequence uniquely allocated for each transmitter so that the plurality of terrestrial cloud broadcast signals are distinguished from each other. | 12-05-2013 |
20140157079 | LOW DENSITY PARITY CHECK CODE FOR TERRESTRIAL CLOUD BROADCAST - Provided is an LDPC (Low Density Parity Check) code for terrestrial cloud broadcast. A method of encoding input information based on an LDPC (Low Density Parity Check) includes receiving information and encoding the input information with an LDPC codeword using a parity check matrix, wherein the parity check matrix may have a structure obtained by combining a first parity check matrix for an LDPC code having a higher code rate than a reference value with a second parity check matrix for an LDPC code having a lower code rate than the reference value. | 06-05-2014 |
Patent application number | Description | Published |
20110149011 | SYSTEM AND METHOD FOR REAL-TIME CONVERSATIONAL TELE-EDUCATION SERVICE BASED ON VIDEO CONFERENCING SERVICE - A system and method for a tele-education service system based on video conferencing are provided. The tele-education service system includes a host terminal to manage a tele-education service system; at least one participating terminal to receive the tele-education service; and a media relay to acquire video images from the host terminal and the at least one participating terminal, to combine the acquired video images differently according to user information of the host terminal and the at least one participating terminal and the progress stages of video conferencing and to provide the differently combined video images to the host terminal and the at least one participating terminal, respectively. | 06-23-2011 |
20110154211 | APPARATUS AND METHOD FOR PROVIDING INFORMATION OF TERMINAL FOR SESSION MOBILITY BETWEEN TERMINALS - Provided are an apparatus and method for providing information about terminals allowing session mobility. A target terminal list is configured by locating terminals having higher possibilities for session mobility to locations having higher session mobility priorities on the target terminal list to reconfigure the target terminal list, the reconfigured target terminal list is transmitted to a terminal in which a session is currently being executed, and a terminal to which the session is to be moved is selected from the target terminal list. Accordingly, efficiency of session mobility is ensured. | 06-23-2011 |
20110154422 | SYSTEM AND METHOD FOR PROVIDING MULTI-TERMINAL CONTEXT-BASED CUSTOMIZED BROADCASTING SERVICE IN NETWORK - A system and method for providing a broadcasting service in a multi terminal context in an IP based network are provided. A subscriber of a customized convergence broadcasting service organizes a personal program log, and a broadcast server provides a broadcasting service to the subscriber according to the personal program log. In order for the subscriber to receive broadcasting services using various types of heterogeneous terminals, a service control server controls customized convergence broadcasting services according to information about the status of each terminal possessed by the subscriber and a degree of preference to a terminal preferred by the subscriber among the terminals. | 06-23-2011 |
20120124228 | MULTIMEDIA SESSION TRANSFER CONTROL SYSTEM AND METHOD - A multimedia session transfer control system and method are provided. The multimedia session transfer control system includes a service transfer control server configured to issue a session transfer message including information on transfer of a session when the session between a receiving terminal and a transmitting terminal is transferred; and a service providing server configured to receive the session transfer message, identify a multimedia service corresponding to the session transfer, change an execution rule for the multimedia service, and provide the multimedia service whose execution rule has been changed from the transmitting terminal to the receiving terminal. | 05-17-2012 |
20130007819 | METHOD AND SYSTEM FOR SYNCHRONIZING CONTENT BETWEEN TERMINALS - A synchronization apparatus and method for synchronizing playback time of a media provided to multiple devices during service transfer and replication process are provided. The content synchronization system for providing a receiving terminal with content of a sending terminal, the content synchronization system includes the sending terminal; the receiving terminal; and a server configured to provide content to the sending terminal and the receiving terminal and to comprise a communication unit configured to communicate the sending terminal and the receiving terminal and to transmit a message and information about time point at which the message is sent, and a content playback time point calculating unit configured to calculate a first content playback start time point of the receiving terminal in an effort to provide the content of the sending terminal that is synchronized with the receiving terminal. | 01-03-2013 |
20130189664 | METHOD AND APPARATUS FOR PROVIDING MEDIA STREAM SWITCHING BASED INTERACTIVE LECTURE SERVICE, AND RECEIVING METHOD AND APPARATUS - Disclosed herein are a method and an apparatus for controlling an interactive lecture service capable of performing questions and answers during a lecture without using a media mixer. A method for providing a media stream switching based interactive lecture service, includes: receiving a right to speak request from at least one student terminal by a lecturer terminal; assigning the right to speak to a specific student terminal in response to the right to speak request and receiving at least one of the question video and voice of the specific student terminal, by the lecturer terminal; and transmitting at least one of the receiving question video and voice of the specific student terminal to a terminal included in a lecture session by the lecturer terminal. | 07-25-2013 |
20130219445 | APPARATUS AND METHOD FOR SELECTING MEDIA TRANSFER TERMINAL - A method of selecting one or more media transfer terminals to which to transfer each of one or more media composing multimedia by a media transfer terminal determining server is provided. The method includes recognizing a change in a location of a user, recognizing available terminals at the changed location of the user, recognizing attribute information of a multimedia service being currently used by the user, and selecting one or more of the available terminals through which to provide one or more media according to the attribute information. | 08-22-2013 |
20130283303 | APPARATUS AND METHOD FOR RECOMMENDING CONTENT BASED ON USER'S EMOTION - An apparatus for recommending content based on a user's emotion. The apparatus includes an emotion information acquiring unit configured to acquire emotion information of a user at the time of use of particular content; an emotion information managing unit configured to store and manage emotion information corresponding to the particular content; and a content recommending unit configured to search for and recommend content corresponding to an emotion-descriptive word which is input by the user to request content search. | 10-24-2013 |
20130295891 | METHOD AN APPARATUS OF PROVIDING SERVICE MOBILITY AMONG USER EQUIPMENTS - A method and apparatus of providing service mobility among user equipments capable of providing continuity of service context are provided. When a movement request signal for requesting a movement of a first service being executed in the first terminal from the first terminal to a second terminal is received, service data with respect to the first service and a associating service are transmitted to the second terminal. | 11-07-2013 |
20140114766 | APPARATUS AND METHOD FOR PROVIDING ADVERTIZING SERVICE TO PLURALITY OF MOBILE DEVICES - A method for providing an advertisement from a digital signage control apparatus to multiple mobile devices accessible to an access point installed in a digital signage terminal. The method may include determining whether the number of the mobile devices requesting the identical advertisement for a predetermined amount of time is greater than a threshold, and if the number of the mobile devices is greater than the threshold, transmitting the identical advertisement to the mobile devices through a multicast channel. | 04-24-2014 |
20140172540 | APPARATUS AND METHOD FOR MEASURING ADVERTISING EFFECT - An apparatus for measuring advertising effect includes a content providing unit configured to provide content including one or more advertisements according to a request of one or more fixed terminals, and an effect measuring unit configured to receive an advertisement reproduction/view log from the fixed terminal receiving the content from the content providing unit, and measure the advertising effect in cooperation with another system which provides advertisement-related information or sells an advertised product or service. | 06-19-2014 |
Patent application number | Description | Published |
20120093261 | METHOD AND APPARATUS OF TRANSMITTING DOWNLINK CONTROL SIGNAL IN WIRELESS COMMUNICATION SYSTEM - Disclosed herein are a method and an apparatus for transmitting a downlink control signal in a wireless communication system. The apparatus for transmitting a downlink control signal includes: a preamble symbol generator generating preamble orthogonal frequency division multiplexing (OFDM) symbols based on a first pilot pattern among pilot patterns for each of the plurality of transmit antennas; a midamble symbol generator generating midamble OFDM symbols based a second pilot pattern excluding the first pilot pattern from the pilot patterns for each of the plurality of transmit antennas; an IFFT unit performing inverse fast Fourier transform (IFFT) for each transmit antenna on the preamble OFDM symbol and the midamble OFDM symbol; and a plurality of transmit antennas transmitting the preamble OFDM symbols and the midamble OFDM symbols. | 04-19-2012 |
20120257669 | DATA PROCESSING METHOD, EQUALIZER AND RECEIVER - A data processing method, an equalizer, and a receiver in a wireless communication system including a relay station are provided. The data processing method includes: receiving a base station signal from a base station; receiving a relay station signal from a relay station; determining a propagation delay between the base station signal and the relay station signal; generating an equalizing signal in which interference generated between the base station signal and the relay station signal is alleviated in consideration of the propagation delay; and recovering information bits transmitted by the base station from the equalizing signal. According to an exemplary embodiment of the present invention, it is possible to alleviate performance deterioration due to an interference problem generated in a relay system. | 10-11-2012 |
20120269251 | METHOD AND APPARATUS FOR ESTIMATING SIGNAL TO NOISE RATIO IN WIRELESS COMMUNICATION SYSTEM - There is provided a method and apparatus for estimating a signal to noise ratio (SNR) in a wireless communication system. The apparatus selects a preamble signal for each of a plurality of sectors from a reception signal experienced by fast Fourier transform (FFT), outputs a correlation signal by performing a correlation between the preamble signal for each sector and a preamble reference signal, estimates power of the reception signal and noise power for each sector based on the correlation signal, selects a minimum value from among the noise powers for the sectors, outputs a net power for each sector by subtracting the minimum value from the power of the reception signal for each sector, and calculates the SNR by dividing the net power for each sector by the minimum value. | 10-25-2012 |
20130003897 | METHOD AND APPARATUS FOR DEMODULATING DOWNLINK SIGNAL IN WIRELESS COMMUNICATION SYSTEM - There is provided a method and apparatus in which a user equipment demodulates a downlink signal in a wireless communication system. The user equipment receives a first orthogonal frequency division multiplexing (OFDM) signal from a first node serving the mobile station, receives a second OFDM signal from a second node different from the first node, and demodulates the first OFDM signal and the second OFDM signal in a fast Fourier transform (FFT) section. The first OFDM signal and the second OFDM signal are either normal mode signals each having a first cyclic prefix (CP) or cooperative mode signals each having a second CP, and the second CP has a longer length than the first CP. | 01-03-2013 |
20130044684 | APPARATUS AND METHOD FOR CONTROLLING COMMUNICATION PATH BETWEEN MULTIPLE DIGITAL UNITS AND MULTIPLE RADIO FREQUENCY UNITS IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a communication path control apparatus for controlling a communication path between a plurality of DUs and a plurality of RFUs, and a plurality of antennas included in the plurality of RFUs and a wireless communication system including the communication path control apparatus. Each of the plurality of DUs, the plurality of RFUs, and the plurality of antennas has a unique identifier, and the path control apparatus controls paths between the plurality of DUs and the plurality of RFUs based on identifiers. Accordingly, the wireless communication system can transmit and receive a signal through a specific RFU and a specific antenna included in a specific RFU and performs the next-generation wireless BS operation method, such as CoMP and multi-BS MIMO. | 02-21-2013 |
20140161215 | DEVICE AND METHOD FOR ESTIMATING CARRIER FREQUENCY OFFSET OF OFDM SIGNALS TRANSMITTED AND RECEIVED THROUGH PLURALITY OF POLARIZED ANTENNAS - Provided are a device and method for estimating carrier frequency offset of OFDM signals transmitted and received through a plurality of polarized antennas that may accurately estimate carrier frequency offset used for carrier frequency synchronization acquisition when there is interference between polarized waves. | 06-12-2014 |
20140187278 | PREAMBLE TRANSMISSION DEVICE OF MULTI-MODE SUPPORTING BASE STATION AND PREAMBLE DETECTING DEVICE OF MULTI-MODE SUPPORTING USER TERMINAL - Provided are a preamble transmission device of a multi-mode supporting base station and a preamble detecting device of a multi-mode supporting user terminal. Selecting of the preamble signal is driven by the user terminal capable of supporting multi-modes, which contributes to smooth services from a user's viewpoint, and to effective use of the limited radio resources from an operator's viewpoint. | 07-03-2014 |
20140254503 | SIGNAL DETECTOR FOR UPLINK CONTROL CHANNEL AND TIME ERROR CORRECTION METHOD THEREOF - Provided are a signal detector for an uplink control channel and a time error correction method capable of simply correcting time errors, which occur during adjustment of a starting point of an FFT of an uplink control channel signal, by use of differential demodulation and thus improving the signal detection performance of an uplink control channel. | 09-11-2014 |
Patent application number | Description | Published |
20090169431 | METHOD FOR HIGHLY SENSITIVE NUCLEIC ACID DETECTION USING NANOPORE AND NON-SPECIFIC NUCLEIC ACID BINDING AGENT - Provided is a method of sensitively detecting nucleic acids in a nucleic acid sample, the method comprising: contacting the sample comprising the nucleic acid with a non-specific nucleic acid binding agent in an electrically conductive fluid medium; contacting the sample comprising the nucleic acid bound to the agent with a nanopore; and applying a voltage to the nanopore and monitoring a current change through the nanopore. The nucleic acid can be sensitively detected because a change in current amplitude through the nanopore is greater than when nucleic aid detection is performed without using an intercalator. | 07-02-2009 |
20090170211 | SENSING SWITCH AND DETECTING METHOD USING THE SAME - Provided are a sensing switch and a sensing method using the same. The sensing switch includes: a substrate; a supporter on the substrate; a sensing plate that is connected to a side of the supporter and is in parallel with the substrate by a predetermined distance; a receptor binding region on an upper surface of an end portion of the sensing plate; an electric or magnetic field generation device that induces deflection of the sensing plate when a receptor bound to the receptor binding region is selectively bound to an electrically or magnetically active ligand; and a pair of switching electrodes that are separated by a predetermined distance and is connected when the sensing plate contacts the substrate due to the deflection of the sensing plate. A target material need not be labelled, a signal processing of a fluorescent or electrical detection signal using an analysis apparatus is not required, and a signal can be directly decoded by confirming whether a current flows through the switch. | 07-02-2009 |
20100267011 | Method and apparatus for detecting nucleic acids using bead and nanopore - There are provided a method and apparatus for detecting nucleic acid using bead and nanopore, and more specifically, a method and apparatus capable of detecting nucleic acid fragments of 70 bps to 300 bps in length by a nanopore detection unit with nanopores of 20 to 120 nm in diameter by attaching a bead to a nucleic acid probe and then detecting the bead attached to nucleic acid not nucleic acid itself. Accordingly, the present invention can detect the nucleic acid fragments using the nanopore detection unit with nanopores of 20 to 120 nm in diameter, even in case where Polymerase Chain Reaction (PCR) products are given as the sample, particularly the PCR products are the nucleic acid fragments of 70 to 300 bps in length. | 10-21-2010 |
20100329931 | SENSING SWITCH AND DETECTING METHOD USING THE SAME - Provided are a sensing switch and a sensing method using the same. The sensing switch includes: a substrate; a supporter on the substrate; a sensing plate that is connected to a side of the supporter and is in parallel with the substrate by a predetermined distance; a receptor binding region on an upper surface of an end portion of the sensing plate; an electric or magnetic field generation device that induces deflection of the sensing plate when a receptor bound to the receptor binding region is selectively bound to an electrically or magnetically active ligand; and a pair of switching electrodes that are separated by a predetermined distance and is connected when the sensing plate contacts the substrate due to the deflection of the sensing plate. A target material need not be labelled, a signal processing of a fluorescent or electrical detection signal using an analysis apparatus is not required, and a signal can be directly decoded by confirming whether a current flows through the switch. | 12-30-2010 |
Patent application number | Description | Published |
20110196015 | N 1-2-THIOPHENE-2-YLETHYL-N2-SUBSTITUTED BIGUANIDE DERIVATE, PREPARATION METHOD THEREOF, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME AS ACTIVE INGREDIENTS - The present invention provides an N1-2-thiophen-2-ylethyl-N2-substituted biguanide derivative of formula (I) or a pharmaceutically acceptable salt thereof, a method for preparing same, and a pharmaceutical composition comprising same as an active ingredient. The inventive N1-2-thiophen-2-ylethyl-N2-substituted biguanide derivative exhibits improved blood glucose level- and lipid level-lowering effects even with a reduced dosage as compared to conventional drugs, and thus, it is useful for preventing or treating diabetes, metabolic syndromes such as insulin-independent diabetes, obesity and atherosclerosis, or a P53 gene defect-related cancer. | 08-11-2011 |
20110207810 | N1-BENZO[1,3]DIOXOL-5-YLMETHYL-N2-SUBSTITUTED BIGUANIDE DERIVATIVE, PREPARATION METHOD THEREOF, AND PHARMACEUTICAL COMPOSITION CONTAINING SAME - The present invention provides an N1-benzo[1,3]dioxol-5-ylmethyl-N2-substituted biguanide derivative of formula (I) or a pharmaceutically acceptable salt thereof, a method for preparing same, and a pharmaceutical composition comprising same as an active ingredient. The inventive N1-benzo[1,3]dioxol-5-ylmethyl-N2-substituted biguanide derivative exhibits improved blood glucose level- and lipid level-lowering effects even with a reduced dosage as compared to conventional drugs, and thus, it is useful for preventing or treating diabetes, metabolic syndromes such as insulin-independent diabetes, obesity and atherosclerosis, or a P53 gene defect-related cancer. | 08-25-2011 |
Patent application number | Description | Published |
20120117594 | METHOD AND APPARATUS FOR PROVIDING CONVERGED SOCIAL BROADCASTING SERVICE - A method for providing social broadcasting services by a broadcasting station is registered. The method for providing social broadcasting services includes receiving from a social network server like function related information triggering transmission of an interest indicator indicating that a user of a user equipment has an interest in broadcasting programs provided by a content provider; and transmitting both of the broadcasting programs and additional data including the like function related information to the user equipment. By the configuration, the exemplary embodiments of the present invention can share the personal's opinion and thoughts and the additional data associated with the corresponding programs through the social circle while the user viewing the broadcasting programs in real time during the movement. | 05-10-2012 |
20130121230 | SYNCHRONIZATION CONTROL APPARATUS AND METHOD FOR MULTICAST AND BROADCAST SERVICES - A synchronization control method for MBS in an access network gateway is provided. The synchronization control method generates content unit data for multicast broadcasting when external data is input, generates a sync rule to be used in one or more base stations, and transmits the content unit data for multicast broadcasting and a sync rule notification message to the one or more base stations. | 05-16-2013 |
20130121231 | APPARATUS AND METHOD FOR MULTICAST/BROADCAST SERVICE DATA TRANSMISSION SYNCHRONIZATION - An MBS data transmission synchronization apparatus of a radio access station is provided. The MBS data transmission synchronization apparatus includes an information reception unit that receives transmission synchronization information from an ACR, an information reception loss check unit that determines whether the received transmission synchronization information is lost, a content reception unit that sequentially receives a content packet including content time information from an MBS content source, a packet reception loss check unit that determines whether the received content packet is lost, a retransmission request unit that transmits a retransmission request message to the ACR, a transmission time determination unit that determines a transmission time of the received content packet on the basis of the transmission synchronization information and the content time information, and a content transmission unit that transmits the received content packet to mobile terminals at the transmission time. | 05-16-2013 |
20140115484 | APPARATUS AND METHOD FOR PROVIDING N-SCREEN SERVICE USING DEPTH-BASED VISUAL OBJECT GROUPINGS - An apparatus and method for providing multimedia content service are provided. A method for providing an image service using at least two screens of different types in an N-screen service providing apparatus includes: separating and extracting independent visual objects from an image based on depth values; grouping the extracted independent visual objects into a number of groups and composing scenes with the respective groups of visual objects; and selectively reproducing one or more scenes with the groups of visual objects on at least two screens in response to a user interaction event. | 04-24-2014 |
Patent application number | Description | Published |
20100146356 | WIRELESS SENSOR NODE - A wireless sensor node is provided which is divided into functional modules on a function basis and operates the functional modules to cooperatively perform its individual functions. The wireless sensor node includes a wireless transceiver to wirelessly communicate with a control node; a primary configuration unit to set a node identification address in communication with a control node; a secondary configuration unit to use the node identification address to register with the control node and set an address for communication which is assigned by the control node; a basic power supply to supply power to modules for communication and sensor control; functional modules to perform data processing and sensor control; and a functional module activator to activate the functional modules according to a type of received data or an operation for data transmission. | 06-10-2010 |
20100150043 | ASYNCHRONOUS MAC PROTOCOL BASED SENSOR NODE AND DATA TRANSMITTING AND RECEIVING METHOD THROUGH THE SAME - Disclosed is an asynchronous MAC based sensor node using a Wake-Up RF. The sensor node includes a main transceiver to transmit/receive data, a Wake-Up transceiver to transit a state of the sensor node; and a micro-control unit, which transmits a Wake-Up frame to at least one receiving node through the Wake-Up transceiver such that the receiving node is activated from an inactive state into an active state and transmits data to the activated receiving node through the main transceiver. The asynchronous MAC based sensor node reduces unnecessary power consumption, hop-by-hop delay, and overhead required for timing synchronization, thereby implementing an effective sensor | 06-17-2010 |
20100153808 | METHOD OF TRANSMISSION OF LARGE DATA AMOUNTS IN SENSOR NETWORK BASED ON MAC - A large data transmission method in a sensor network based on a media access control (MAC) is provided. The method includes dividing data to be transferred into a plurality of data segments; generating a plurality of media access control (MAC) segmented data frames by including in each data segment an indication that the data is generated by segmentation and assigning a sequence number to the data segment; transmitting the generated MAC segmented data frames sequentially; receiving a MAC reception failure frame indicating reception failure for a predetermined period of time from a receiving sensor node after completing the transmitting of all the MAC segmented data frames; and retransmitting the MAC segmented data frames which correspond to at least one sequence number included in the received MAC reception failure frame. Accordingly, large data transmission times can be reduced in a MAC for a sensor network. | 06-17-2010 |
20140159915 | APPARATUS AND METHOD FOR COMPREHENSIVELY MONITORING SLOPES BASED ON WIRELESS NETWORK - A method of comprehensively monitoring slopes based on a wireless network in a sensor node is provided. The method includes acquiring sensing data of first sensing frequencies for determining a risk to the slopes, transmitting the acquired sensing data of first sensing frequencies to an analysis server through a gateway, acquiring sensing data of second sensing frequencies for determining the risk to the slopes when operation mode received from the analysis server through the gateway is precision mode, and transmitting the acquired sensing data of second sensing frequencies to the analysis server through the gateway. | 06-12-2014 |
20140281051 | SENSOR TERMINAL CAPABLE OF PERSONALIZING EXTERNAL PHYSICAL DEVICE AND METHOD THEREOF - A sensor terminal capable of personalizing an external physical device. The sensor terminal includes a control unit that recognizes and uses the external physical device as an internal device. The control unit may include a device object driver to manage a device object of one or more physical device and a profile of the device object; and a device service module to generate the device object of the physical device, and register the generated device object and the profile of the device object in the device object driver. Thus, the sensor terminal may recognize and use the external physical device as if it were the internal device. | 09-18-2014 |
Patent application number | Description | Published |
20120134265 | TRAFFIC CONTROL SYSTEM FOR STEP-BY-STEP PERFORMING TRAFFIC CONTROL POLICIES, AND TRAFFIC CONTROL METHOD FOR THE SAME - Provided is a technique of step-by-step performing a plurality of traffic control policies by differentiating policies to be performed for each subscriber and establishing policy layers requiring a relatively long time to process traffic at later stages, thereby preventing a traffic control system from processing unnecessary traffic, reducing the load of the traffic control system upon processing traffic, and improving the performance of the traffic control system. | 05-31-2012 |
20120140640 | APPARATUS AND METHOD FOR DYNAMICALLY PROCESSING PACKETS HAVING VARIOUS CHARACTERISTICS - An apparatus for processing different types of packets using various interfaces and method thereof. The apparatus uses a general-purpose processor, instead of a particular network processor, and uses a general open source software compiler without the use of a particular compiler and an application program interface (API) for use in processing a specific packet, and accordingly, it is easy to reuse software when upgrading hardware and software. | 06-07-2012 |
20120144470 | USER AUTHENTICATION METHOD USING LOCATION INFORMATION - A user authentication method includes transmitting a number of the mobile communication terminal, a user identifier (ID), and a unique number (PW); at the web server, storing the number of the mobile communication terminal, the user identifier (ID), and the unique number (PW); at a mobile communication terminal registered in the web server, transmitting location information of the mobile communication terminal; at the web server, storing a table in which the location information is mapped together with the number of the mobile communication terminal, the user identifier (ID), and the unique number (PW); and when the web server receives an access request from the mobile communication terminal registered in the web server, at the web server, confirming location information of the mobile communication terminal and comparing the location information of the mobile communication terminal with the table. | 06-07-2012 |
20120163392 | PACKET PROCESSING APPARATUS AND METHOD - A packet processing apparatus and method are provided. According to the packet processing apparatus and method, it is possible to manufacture a product within a short period of time in a case in which there are signals that are not provided by an existing network processing unit (NPU) through a bridging algorithm that is realized in a field programmable gate array (FPGA). | 06-28-2012 |
20130188635 | NETWORK DEVICE AND METHOD FOR PROCESSING TRAFFIC USING MULTI-NETWORK INTERFACE CARD - A method for processing traffic using a multi-network interface card and a network device employing the method are provided. The network device includes a first network card configured to classify and filter traffic, a second network card configured to inspect and process the traffic classified by the first network card, a processor configured to manage the first and second network cards and apply network policies to the first and second network cards, respectively, and a memory configured to store the network policies. | 07-25-2013 |
20130194934 | PACKET PROCESSING APPARATUS AND METHOD FOR DETECTING DUPLICATE ACKNOWLEDGEMENT PACKET - Provided are a packet processing apparatus and method for detecting a duplicate acknowledgement (ACK) packet. The packet processing apparatus initiates a session and then detects a retransmission packet and a duplicate ACK packet from input/output packets using statistic information related to packet retransmission. Accordingly, unnecessary traffic generated regardless of a user's intension can be blocked. | 08-01-2013 |
Patent application number | Description | Published |
20100241858 | Downloadable Conditional Access System, Secure Micro, and Transport Processor, and Security Authentication Method Using the Same - A downloadable conditional access system (DCAS), a secure micro (SM), and a transport processor (TP), and a security authentication method using the same are provided. The DCAS provides a safe security environment through a security protocol which enables mutual authentication and secure channel establishment between the SM and the TP. | 09-23-2010 |
20120124628 | METHOD FOR REQUESTING TRANSMISSION OF BROADCAST PROGRAM AND METHOD FOR TRANSMITTING BROADCAST PROGRAM - A mobile terminal constituting a multi-screen service environment in a switched digital video (SDV)-based video transmission system structure serves like a remote controller of a reception terminal having a large screen such as a TV. A broadcast channel viewed in the mobile terminal can be shared with the large screen of the TV or the like, and a program can be directly viewed in the large screen of the TV or the like based on program guide information received by the mobile terminal. | 05-17-2012 |
20130088515 | METHOD OF PROVIDING AUGMENTED CONTENTS AND APPARATUS FOR PERFORMING THE SAME, METHOD OF REGISTERING AUGMENTED CONTENTS AND APPARATUS FOR PERFORMING THE SAME, SYSTEM FOR PROVIDING TARGETING AUGMENTED CONTENTS - The system for providing targeting augmented contents includes: an augmented metadata generation apparatus that generates augmented metadata designating specific space and time of broadcast contents as an augmented area; a broadcast content providing apparatus that transmits the augmented metadata to a first broadcast terminal apparatus and transmits the augmented metadata and the broadcast contents to a second broadcast terminal apparatus; a first broadcast terminal apparatus that transmits augmented contents displayed in the augmented area in which the augmented metadata are designated to the augmented content providing apparatus; an augmented content providing apparatus that transmits the augmented contents to a second broadcast terminal apparatus; and a second broadcast terminal apparatus that receives the broadcast contents and the augmented metadata from the broadcast content providing apparatus and receives the augmented contents from the augmented content providing apparatus based on the augmented metadata. | 04-11-2013 |
20130091517 | METHOD AND APPARATUS OF PROVIDING BROADCAST CONTENT AND METADATA FOR AUGMENTED BROADCASTING, METHOD AND APPARATUS OF PROVIDING AUGMENTING CONTENT, AND METHOD AND APPARATUS OF RECEIVING AUGMENTED BROADCAST CONTENT - In a method of receiving augmenting content, broadcast content and augmenting content are received from a broadcast content providing apparatus, metadata related to the broadcast content is interpreted to check an indicator indicating such that augmenting content are applicable, and augmenting content are requested from an augmenting content providing apparatus by using access information of the augmenting content providing apparatus. Thereafter, augmenting content are received from the augmenting content providing apparatus, and augmenting content received in the augmenting content receiving step are synchronized with the broadcast content and output to a temporal/spatial region corresponding to display region information included in the metadata or the display region information is transmitted to a separate output device. Thus, a viewer can conveniently receive area information-based augmenting content in the form of large capacity multimedia including a graphic image or video without having to perform searching. | 04-11-2013 |
20130104165 | METHOD AND APPARATUS FOR RECEIVING AUGMENTED BROADCASTING CONTENT, METHOD AND APPARATUS FOR PROVIDING AUGMENTED CONTENT, AND SYSTEM FOR PROVIDING AUGMENTED CONTENT - The system includes a metadata generation apparatus for generating metadata to designate a specific space and time in and on which a speech balloon or a music book will be displayed on broadcasting content, a multiplexing broadcasting server for multiplexing the metadata received from the metadata generation apparatus and the broadcasting content and sending the multiplexed result to a reception apparatus, an augmented content providing apparatus for sending the speech balloon suitable for speech included in the broadcasting content or the music book suitable for music included in the broadcasting content to the reception apparatus, and the reception apparatus for displaying the broadcasting content and displaying the augmented content in a specific space and time of the broadcasting content based on the metadata. | 04-25-2013 |
20130117781 | MEDIA CONTENT TRANSMISSION METHOD AND APPARATUS, AND RECEPTION METHOD AND APPARATUS FOR PROVIDING AUGMENTING MEDIA CONTENT USING GRAPHIC OBJECT - Disclosed is a media content reception method for providing augmenting media contents using graphic objects, including: receiving metadata including information representing each event of any one of broadcast contents or moving picture contents, and any one of the broadcast contents or the moving picture contents and graphic object related information associated with events, the events including at least one of a specific scene, a specific situation, and a specific phenomenon of any one of the broadcast contents or the moving picture contents; analyzing the received metadata; designating the graphic objects to correspond to each event within any one of the broadcast contents or the moving picture contents based on the analyzed metadata; and displaying the designated graphic objects to meet each event at the time of playing any one of the broadcast contents or the moving picture contents. | 05-09-2013 |
20130117798 | AUGMENTING CONTENT GENERATING APPARATUS AND METHOD, AUGMENTED BROADCASTING TRANSMISSION APPARATUS AND METHOD, AND AUGMENTED BROADCASTING RECEPTION APPARATUS AND METHOD - Disclosed are augmenting content generating apparatus and method, augmented broadcasting transmission apparatus and method, and augmented broadcasting reception apparatus: An augmented broadcasting transmission apparatus includes: a broadcasting content generation unit that generates broadcasting content; | 05-09-2013 |
20130205334 | METHOD AND APPARATUS FOR PROVIDING SUPPLEMENTARY INFORMATION ABOUT CONTENT IN BROADCASTING SYSTEM - A method and apparatus for providing supplementary information about content in a broadcasting system are provided. A method of a reception terminal providing supplementary information about content includes receiving content and metadata, extracting an indicator for indicating whether supplementary information about the content exists or not from the metadata, determining whether the supplementary information about the content exists or not based on the indicator, outputting the supplementary information about an appearance element of the content in association with the content based on the metadata, accessing a server for providing the supplementary information about the to appearance element, based on the metadata when an instruction to download the supplementary information about the appearance element is received, and downloading the supplementary information about the appearance element from the server and storing the downloaded supplementary information. | 08-08-2013 |
20130254798 | AUGMENTED BROADCASTING STREAM TRANSMISSION DEVICE AND METHOD, AND AUGMENTED BROADCASTING SERVICE PROVIDING DEVICE AND METHOD - An augmented broadcasting stream transmission device and method and an augmented broadcasting service providing device and method capable of ensuring that augmented broadcasting metadata arrive at a receive terminal in a time more rapid as compared to a corresponding video frame by a predetermined time are provided. | 09-26-2013 |
20130290995 | APPARATUS AND METHOD FOR PROCESSING AUGMENTED BROADCAST CONTENT USING ANALYSIS ALGORITHM BASED ON REFERENCE SIGNAL - An apparatus and method for processing augmented broadcast content. The apparatus includes: a broadcast content receiving unit configured to receive broadcast content and a first reference signal from a broadcast content provider, the first reference signal including information used to recognize a target object in the broadcast content and composite the broadcast content and augmented content associated with the target object; an object identifying unit configured to identify the target object in the broadcast content by analyzing the broadcast content using an image or sound analysis algorithm with reference to the first reference signal; an augmented content acquiring unit configured to acquire the augmented content associated with the target object; and an augmented content compositing unit configured to composite the acquired augmented content into an augmentation region determined based on the first reference signal. | 10-31-2013 |
20130291023 | METHOD AND APPARATUS FOR PROCESSING AUGMENTED BROADCAST CONTENT USING AUGMENTATION REGION INFORMATION - Provided is a method for processing augmented broadcast content, and the method includes receiving, from a broadcast content provider, broadcast content and augmentation region information required to composite augmented content to an augmentation region in the broadcast content; receiving, from a user input device, selection information necessary to select one out of a plurality of augmented content providers; generating an augmented content request message based on the augmentation region information, and transmitting the augmentation content request message to an augmented content provider selected based on the selection information; receiving the augmented content from the augmented content provider; and compositing the augmented content to the augmentation region in the broadcast content by using the augmentation region information. | 10-31-2013 |
20140059630 | APPARATUSES FOR PROVIDING AND RECEIVING AUGMENTED BROADCASTING SERVICE IN HYBRID BROADCASTING ENVIRONMENT - An apparatus for providing an augmented broadcasting service and an apparatus for receiving the augmented broadcasting service in a hybrid broadcasting environment. The apparatus for providing the augmented broadcasting service includes: a real-time data provider configured to provide real-time data through a first transmission network; an augmented content provider configured to provide augmented content through a second transmission network, wherein the augmented content is to be synchronized with the real-time data; and a multiplexer configured to multiplex the real-time data, the augmented content metadata and timing information for synchronization between the real-time data and the augmented content metadata, and output resulting data. | 02-27-2014 |
20140150018 | APPARATUS FOR RECEIVING AUGMENTED BROADCAST, METHOD OF RECEIVING AUGMENTED BROADCAST CONTENT USING THE SAME, AND SYSTEM FOR PROVIDING AUGMENTED BROADCAST CONTENT - An apparatus for receiving augmented broadcast, a method of receiving augmented broadcast content using the same, and a system for providing augmented broadcast content are provided. The method of receiving augmented broadcast content may include receiving a broadcast program and metadata for augmented broadcast implementation for the broadcast program that are transmitted over a broadcasting network, requesting an augmented broadcast content providing server providing augmented broadcast content associated with the broadcast program to provide the augmented broadcast content associated with the broadcast program with reference to the received metadata, and receiving the augmented broadcast content provided by the augmented broadcast content providing server according to the request. | 05-29-2014 |
20140214211 | OUTPUTACTUATOR NODE, MPEG TERMINAL WITH OUTPUTACTUATOR NODE, AND METHOD FOR CONTROLLING ACTUATOR USING THE OUTPUTACTUATOR NODE - An OutputActuator node, a Moving Picture Experts Group (MPEG) terminal, and a method for controlling an actuator using the OutputActuator node. The OutputActuator node includes an enabled field indicating whether the OutputActuator node is activated or not; a url field designating an actuator to which a command is delivered for control of the actuator; and an eventName field containing a command list for operating the designated actuator. | 07-31-2014 |
Patent application number | Description | Published |
20110109816 | CIRCUIT FOR DRIVING LCD DEVICE AND DRIVING METHOD THEREOF - A liquid crystal display driving circuit and method. A data register block of a controller applies in advance a polarity control signal to data before the data are stored in latches of a data driver, exchanges the data, and then stores the exchanged data in the latches. Thereby, it is possible to provide multiplexers, which are otherwise required for respective channels, to one controller and to decrease the size of a chip. | 05-12-2011 |
20110133972 | GAMMA VOLTAGE GENERATOR AND DAC HAVING GAMMA VOLTAGE GENERATOR - A gamma voltage generator includes an RGB common gamma voltage generation section configured to generate RGB common gamma voltages using corresponding gamma reference voltages among a plurality of gamma reference voltages; and at least two of an RG gamma voltage generation section configured to generate RG gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages, an R gamma voltage generation section configured to generate R gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages, a G gamma voltage generation section configured to generate G gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages, and a B gamma voltage generation section configured to generate B gamma voltages using corresponding gamma reference voltages among the plurality of gamma reference voltages. | 06-09-2011 |
20120166896 | METHOD AND APPARATUS FOR TRANSMITTING DATA BETWEEN TIMING CONTROLLER AND SOURCE DRIVER, HAVING BIT ERROR RATE TEST FUNCTION - Disclosed is a method and apparatus for transmitting data between a timing controller and a source driver, and more particularly, a data transmission method and apparatus between a timing controller and a source driver, which has a bit error rate test (BERT) function for sensing an error rate in real time when data is transmitted and received between the timing controller and the source driver. | 06-28-2012 |
20140375536 | DISPLAY DRIVING CIRCUIT AND DISPLAY DEVICE - A display driving circuit is configured to select one of application of a pair of pixel driving signals to a pair of output terminals and charge sharing between the pair of output terminals by using charges discharged from a display panel. | 12-25-2014 |
Patent application number | Description | Published |
20110154419 | APPARATUS AND METHOD FOR PROVIDING REMOTE MEDICAL SERVICES AND OPEN IPTV PLATFORM APPARATUS - An Open Internet Protocol Television (IPTV) platform is provided. By providing remote medical services to users in the Open IPTV environment using a remote medical service providing apparatus including: an application programming interface (API) calling unit to call, when receiving a request for receiving a remote medical service from a counselor's terminal, an API of an Open Internet Protocol Television (IPTV) platform; and a service provider to provide the remote medical service to a user through the API, it is possible to provide remote medical service operators with environments where they can develop and share various remote medical to services and content. | 06-23-2011 |
20130013419 | APPLICATION EXECUTION APPARATUS, APPLICATION PROVIDING APPARATUS, AND APPLICATION DISTRIBUTION METHOD USING CHAINING OF APPLICATIONS - An application execution terminal, an application providing apparatus, and an application distributing method using linkage between applications are provided. The method for distributing the applications enables to establish a mutual consignment sales model for all applications by receiving recommendations for applications related to an application being currently executed in the application execution terminal, executing the recommended application in the application execution terminal, and sharing revenues generated from the related applications. | 01-10-2013 |
20130113738 | METHOD AND APPARATUS FOR CONTROLLING CONTENT ON REMOTE SCREEN - There is provided a mobile terminal with a camera, such as a smart phone, capable of controlling the functions of a remote screen and content displayed on the remote screen. The mobile terminal defines a remote screen area in an image obtained by capturing the remote screen, receives remote screen resource information, and performs screen mapping between the remote screen area and the remote screen using the remote screen resource information. If it receives a user input signal related to the remote screen area, the mobile terminal generates event information for controlling an object based on the results of the screen mapping, and transmits the event information to a remote apparatus with the remote screen. The remote apparatus processes the event information and controls the object. | 05-09-2013 |
20130138770 | APPARATUS AND METHOD FOR SHARING WEB CONTENTS USING INSPECTOR SCRIPT - An apparatus for sharing Web contents is provided. The apparatus includes a Web browser that loads and outputs a Web page, and a Web content transmission client that is linked with the Web browser to extract context information that is current state information from the Web page, and transmits the extracted context information to at least one other terminal. | 05-30-2013 |
20140167936 | REMOTE CONTROL APPARATUS AND METHOD USING DYNAMIC SCRIPT - A remote control apparatus and method are provided. A remote control method using a dynamic script in a control terminal includes acquiring a control module written in a dynamic script so as to control a controlled terminal, generating the acquired control module as a dynamic script character string, executing the generated dynamic script, performing connection with the controlled terminal through the executed control module, visualizing a GUI for remote control which is included in the executed control module and outputting the visualized GUI on the screen, and transmitting, when GUI-based event information is received from a user, the event information to the controlled terminal. | 06-19-2014 |
20140200743 | VEHICLE INSTRUMENT PANEL APPARATUS AND CONTROL METHOD THEREOF - A vehicle instrument panel apparatus includes a communication unit configured to receive a widget or content transmitted from one or more user terminals, an instrument panel page constituted of a plurality of instrument panel containers in which the widget or content is embedded, a converting unit configured to generate data capable of being embedded in the instrument panel containers according to a type of the received widget or content, an execution unit configured to load the instrument panel page to a screen, a sensing data acquiring unit configured to acquire measurement information input through one or more sensors, and an interface unit configured to combine the measurement information acquired by the sensing data acquiring unit with the instrument panel page loaded by the execution unit. | 07-17-2014 |
Patent application number | Description | Published |
20090089431 | System and method for managing resources in access network - Disclosed are a system and a method for improved collection of resource information of an access network. The method includes obtaining line information about a line that a subscriber terminal in an access network accesses and resource information about at least a part of the line when an internet protocol (IP) is assigned to the subscriber terminal, transmitting the line information and the resource information from the access network, and creating a database containing the line information and the resource information. Thereby system load is reduced and efficiency of resource allocation is enhanced. | 04-02-2009 |
20090129282 | Method and apparatus for measuring quality of VoIP call - Provided are a method and an apparatus for periodically measuring speech quality in a voice over Internet protocol (VoIP) terminal while a VoIP call between VoIP terminals is in progress. The method comprises: receiving summary information regarding traffic sent from an opposite VoIP terminal; and evaluating speech quality by comparing the summary information with actually received information regarding the traffic sent from the opposite VoIP. Accordingly, each VoIP terminal can precisely evaluate the speech quality periodically and send the evaluation result to each other. | 05-21-2009 |
20090133088 | Method and system for IPTV service authentication and service quality control - Provided are a method of and system for controlling IPTV service authentication and traffic flow in an access network. The IPTV service system comprises: a subscriber concentrator which delivers an IPTV service request message that is sent from a subscriber terminal, receives an IPTV service authentication reply message generated in accordance with IGMP in response to the IPTV service request message, and sends a corresponding IPTV multicast stream to the subscriber terminal according to an IPTV service authentication result; a network connector which receives the IPTV service request message delivered from the subscriber concentrator, generates an IPTV service authentication request message in accordance with a RADIUS protocol, sends the generated IPTV service authentication request message to an IPTV service authentication/billing server, generates an IPTV service authentication reply message in accordance with the IGMP when receiving an IPTV service authentication reply message generated in accordance with the RADIUS protocol, and sends the generated IPTV service authentication reply message to the subscriber concentrator; and the IPTV service authentication/billing server which determines whether the subscriber is authorized for an IPTV service when receiving the IPTV service authentication request message that is generated in accordance with the RADIUS protocol and sent from the network connector, and generates the IPTV service authentication reply message in accordance with the RADIUS protocol and sends the IPTV service authentication reply message to the network connector. Accordingly, resources of the access network can be used effectively. | 05-21-2009 |
20110075565 | SYSTEM AND METHOD FOR CONTROL NETWORK DEVICE - A control system and method for reducing the amount of power consumption of a communication network is provided. The amount of traffic usage and power consumption of communication equipment in the communication network is collected and energy efficiency of the communication equipment is calculated. An operation of the communication equipment and a communication path or routing of the communication network are controlled according to the calculated energy efficiency. Therefore, an operation of unnecessary communication equipment is controlled, thereby reducing the power consumption of the communication network. | 03-31-2011 |
20140078894 | LANE FAULT RECOVERY APPARATUS AND METHOD - Provided are a multi-lane-based Ethernet lane fault recovery apparatus and method capable of detecting a lane fault separately from a link fault and identifying one or more lanes where the lane fault has occurred. The lane fault recovery apparatus includes a communication unit configured to comprise a plurality of data transmission lanes, distribute data between the plurality of data transmission lanes in response to the receipt of a control command and photoelectrically convert the data; and a connection processing unit configured to detect the occurrence of a fault from the plurality of data transmission lanes, exclude one or more faulty lanes where the fault has occurred from the plurality of data transmission lanes and transmit the data via the rest of the data transmission lanes that are available for use. The connection processing unit may be further configured to transmit data via a switched backup link. | 03-20-2014 |
20140078918 | DYNAMIC POWER-SAVING APPARATUS AND METHOD FOR MULTI-LANE-BASED ETHERNET - Provided are a power-saving apparatus and method for multi-lane-based Ethernet, which allow a multi-lane-based Ethernet apparatus to improve energy-conserving efficiency while minimizing the deterioration of the performance of a network. The power-saving apparatus includes: a multi-lane communication unit configured to distribute an input communication packet between a plurality of transmission lanes, photoelectrically convert the input communication packet and transmit the photoelectrically-converted communication packet; a multi-buffer unit configured to comprise one or more buffers, store the input communication packet in each active buffer and transmit the input communication packet to the multi-lane communication unit; and a control unit configured to monitor the multi-buffer unit, compare the size of memory space in use of the multi-buffer unit with a predefined threshold and switch the one or more buffers to an active or inactive state based on the results of the comparison. | 03-20-2014 |
20140112350 | APPARATUS AND METHOD FOR CONTROLLING UNI PATH - A user network interface (UNI) path setting method includes advertising an attribute and state information of a TNA interface, and updating a database using information collected through the advertising, computing a path to a destination TNA address from a source TNA address satisfying UNI path setting parameter information included in a path message in consideration of an attribute and state information of the updated TNA interface/link when receiving a path setting request message from an operator, transmitting a path message to a destination through a network based on the computed path, and transmitting a reservation (RESV) message for UNI path generation to a source through the network when normally receiving, by the destination, the path message. | 04-24-2014 |
20140198635 | METHOD OF RECOVERING FAULT IN MULTILAYER NETWORK AND APPARATUS THEREOF - A method of recovering a fault in a multilayer network and an apparatus thereof are provided, the method including obtaining lower layer backup path setting information through a signaling message that is used for a label based path setting, setting a backup path at a lower layer based on the obtained lower layer backup path setting information, and upon detecting a fault at the lower layer, performing a protection switching through the set backup path at the lower layer. | 07-17-2014 |
Patent application number | Description | Published |
20100153426 | SEMANTIC SERVICE DISCOVERY APPARATUS AND METHOD - A semantic service discovery technology is provided. A semantic service discovery method includes: receiving a query for a service discovery from a user equipment (UE); analyzing the received query; conducting an ontology-based analysis of semantic information of the analyzed query; and generating a query for the service discovery by putting the analyzed semantic information together, converting the generated query into an ontology query, and discovering services using the ontology query. Therefore, a service desired by a user can be discovered through a semantic approach. | 06-17-2010 |
20120163215 | OPEN WIRELESS ACCESS NETWORK APPARATUS AND CONNECTION METHOD USING THE SAME - An open wireless access network apparatus includes an Internet protocol (IP) resource management unit to allocate IPs, respectively, to a plurality of provider servers and open wireless access points (APs), and map the IP of each provider server to the IP of each open wireless AP; a subscriber movement management unit to provide a second wireless AP with an IP that has been allocated to a first wireless AP when a mobile device changes from one area in which the mobile device has a signal delivered from the first wireless AP to another area in which the mobile device has a signal delivered from the second wireless AP; and a wireless AP connection control unit to allow the mobile device to be connected to the second wireless AP through the allocated IP. | 06-28-2012 |
20130097277 | METHOD AND APPARATUS FOR LOAD BALANCING OF CONTENT-CENTRIC NETWORK - An apparatus and a method for load balancing of a content-centric network for optimally delivering content requested by a user are provided. The apparatus includes two or more subnet managing units divided according to physical distance or service providers and a content network managing unit configured to manage and connect subnets. In addition, the method includes searching for two or more subnets containing content; in response to two or more subnets being found according to the search result, selecting a subnet delivering a requested content from among the two or more found subnets according to a network state and selecting nodes included in the subnet; and delivering the content. Accordingly, an optimal server node is selected on the network in the middle of content delivery from a content server to the user so that traffic efficiency may be enhanced and a higher-quality real-time streaming service may be provided. | 04-18-2013 |
20130111057 | NODE DEVICE FOR RELAYING STREAMING CONTENT AND METHOD USING THE SAME | 05-02-2013 |
20140310375 | NETWORK NODE APPARATUS FOR INFORMATION-CENTRIC NETWORKING AND OPERATING METHOD OF THE NETWORK NODE APPARATUS - A network node apparatus for Information-Centric Networking (ICN) and an operating method thereof. The network node apparatus has a control plane and a data plane, which are separate from each other, and manages location information of content on the data plane concentratedly. For example, the network node apparatus includes a Content Service Coordination Function (CSCF) configured to process a content request from a user or a publication request from a content provider; a Content Delivery Control Function (CDCF) configured to select an optimal service node to handle the content request or the publication request; and a Content Delivery Service Function (CDSF) configured to download requested content to the user or to download from the content provider content requested to be published and then register the downloaded content. | 10-16-2014 |
Patent application number | Description | Published |
20100095713 | Drain pump and washing machine having the same - A drain pump including a case including a mounting bracket; a first connection member mounted to the mounting bracket to be spaced from the cabinet; a second connection member inserted in the first connection member; and a fastening member passed through the cabinet and inserted in the second connection member so that the case is mounted to the cabinet. Since the first connection member is spaced from the cabinet, the second connection member can be prevented from being damaged by vibration of the drain pump. | 04-22-2010 |
20110041560 | Washing machine - Disclosed herein is a washing machine having an upper washing unit and a lower washing unit. The upper washing unit is connected to the lower washing unit through connection parts protruded upwardly from the upper end of the lower washing unit. | 02-24-2011 |
20110041563 | Washing machine and outer tub supporting structure thereof - Disclosed herein are a washing machine which minimizes the number of dampers and effectively prevents vibration, and an outer tub supporting structure thereof. The washing machine includes a housing forming an external appearance of the washing machine, an outer tub provided in the housing to store water, an inner tub rotatably mounted within the outer tub, a driving device including a rotary shaft passing through the outer tub and connected to the inner tub to rotate the inner tub, a bearing surrounding the rotary shaft and fixed to the outer tub to prevent rotation of the outer tub during rotation of the rotary shaft, a bearing housing formed on the outer tub such that the bearing is mounted within the bearing housing, and a damping unit provided with a first end supporting the bearing housing and a second end fixed to the washing machine housing to reduce vibration of the outer tub. | 02-24-2011 |
20110041565 | Washing machine, inner tub of washing machine and balancer connection and assembly method thereof - Disclosed herein is a washing machine in which a balancer is directly mounted on a body of an inner tub without a front surface part of the inner tub. The washing machine includes an outer tub to store water, a body formed in a cylindrical shape provided with an opening at one surface thereof and provided in the outer tub, and a balancer connected to an inner diameter part at the opening of the body to reduce unbalance of the body generated during rotation of the body and to reinforce the body. | 02-24-2011 |
20110041567 | Washing machine - Disclosed herein is a washing machine including a pair of tubs disposed in a main body and a detergent supply device to supply any one of the pair of tubs. A first detergent storage part, into which a first detergent is put, and a second detergent storage part, into which a second detergent is put, disposed above the first detergent storage part are provided in the detergent supply device, thereby reducing a width of the detergent supply device. | 02-24-2011 |
Patent application number | Description | Published |
20120114055 | RECEIVING APPARATUS AND METHOD FOR PROVIDING INPUT BITS OF FAST FOURIER TRANSFORMER ACCORDING TO MODULATION - A technology is provided capable of improving the efficiency of an OFDM system by obtaining the performance in Bit Error Rate (BER) in a wireless communication using OFDM and determining the minimum FFT input bit that produces a SNR difference of 0.1 dB or below with respect to a theoretical BER graph at a desired performance. | 05-10-2012 |
20120124627 | TERMINAL FOR REPEATING THROUGH MBS COMMUNICATION NETWORK AND METHOD OF REPEATING USING THE SAME - There is provided a method where a terminal amplifies an MBS signal that the terminal receives using a terminal in an MBS service, transmits the amplified signal to another terminal and controls it in order to overcome the fact it is not possible to provide high quality contents over a broad area due to interference signals between MBS zones, a terminal is used as a repeater at MBS transmission time only, and an output of a repeating signal of the terminal is controlled so that an excessive interference signal for another MBS area is not generated when the terminal operates as a repeater. | 05-17-2012 |
20120163272 | METHOD OF SETTING UP DYNAMIC MULTICAST AND BROADCAST SERVICE ZONE FOR PROVIDING MOBILE INTERNET PROTOCOL TELEVISION SERVICE - A technology of setting up a MBS zone for providing a mobile IPTV service is provided in which the MBS zone is effectively managed, so that QoS is prevented from being degraded due to the handover delay that is caused by a MBS handover occurring when a user moves between MBS zones. | 06-28-2012 |
20120163427 | SYSTEM AND METHOD FOR SYNCHRONOUS TRANSMISSION OF CONTENT - A synchronous transmssion of a content is provided capable of providing a content seamless when a mobile terminal transfers from a currently connected network to another network. The synchronization of contents is ensured to achieve a seamless communication across a plurality of networks. | 06-28-2012 |
20120166801 | MUTUAL AUTHENTICATION SYSTEM AND METHOD FOR MOBILE TERMINALS - Provided is a technique for mutual authentication between different kinds of objects (devices, apparatuses, users, etc.) by expanding the kinds of objects that are subject to authentication, such as authentication between users, authentication between users and an apparatuses (devices, equipment, terminals, etc.), and authentication between apparatuses (devices, equipment, terminals, etc.). | 06-28-2012 |
20130013669 | METHOD AND APPARATUS FOR GUARANTEEING WEB-BASED MOBILITY - A web-based mobility guaranteeing method includes, at a terminal, connecting to a first service providing apparatus; transmitting a service request signal for requesting service information to the first service providing apparatus; at the first service providing apparatus, transmitting a service providability inquiry signal to a web-based service providing apparatus, based on whether or not the service information is able to be provided by the first service providing apparatus; at the web-based service providing apparatus, transmitting the service providability inquiry signal to a second service providing apparatus, receiving a service providability response signal from the second service providing apparatus, and changing a service provider of the terminal from the first service providing apparatus to the second service providing apparatus; and at the terminal, receiving a service response signal from the second service providing apparatus in response to the service request signal. | 01-10-2013 |
20130155939 | METHOD AND APPARATUS FOR ACQUIRING INITIAL SYNCHRONIZATION USING RELAY-AMBLE IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for acquiring initial synchronization in a wireless communication system are provided. A relay station determines whether or not the initial synchronization is acquired, determines a start position of a frame using a peak of an autocorrelation signal detected based on a preamble and a relay-amble (R-amble) received from a base station in the case in which the initial synchronization is not acquired, and determines the start position of the frame using a peak of an autocorrelation signal detected based on the relay-amble received from the base station in the case in which the initial synchronization is acquired. | 06-20-2013 |
20130215770 | METHOD AND APPARATUS FOR SELECTING WIRELESS ACCESS NETWORK BASED ON CONTENTS CHARACTERISTIC - A method and an apparatus for selecting wireless access networks in wireless communication systems including a plurality of wireless access networks are provided. A broadcasting/communication server for a multi access network includes a wireless access network wireless resource cost comparing module configured to select one wireless access network by calculating a cost function of each of the plurality of wireless access networks, based on wireless traffic information of each wireless access network received from the plurality of wireless access networks and contents information to be provided to terminals; a wireless router control module configured to control a path of a contents based router with the selected one wireless access network; and a network matching module configured to be connected to the plurality of wireless access network through the contents based router. | 08-22-2013 |
20130219499 | APPARATUS AND METHOD FOR PROVIDING SECURITY FOR VIRTUALIZATION - Provided is a security providing method based on a security breach in a security providing apparatus in which a physical device is virtualized so that a virtual machine monitor operates and is capable of working in a main domain and one or more sub domains. The method includes repairing sub domains experiencing security breaches; and updating security modules of the sub domains. | 08-22-2013 |
20130267258 | METHOD AND APPARATUS FOR WIRELESS POSITIONING - A method for wireless positioning is provided. The method for wireless positioning includes: acquiring synchronization with base stations; collecting a plurality of propagation delay taps for the base stations; determining a final propagation delay tap among the plurality of propagation delay taps; calculating a time difference of arrival (TDOA) value using the final propagation delay value; and deriving locations of the terminals using the calculated TDOA value. By this configuration, the positioning accuracy can be improved. | 10-10-2013 |
20130286923 | MULTI-CARRIER TRANSMITTING APPARATUS AND METHOD FOR MULTICAST SERVICE - Provided are an apparatus and method for transmitting multi-carriers to provide a high-quality service to multicast-based service subscriber terminals. The method includes: mapping first data for providing the multicast service, and second data different from the first data, to s different antennas; converting the first mapped data into a first Intermediate Frequency (IF) signal and the second mapped data into a second IF signal; converting the first IF signal into a first RF signal having a carrier frequency, and deciding a power intensity of the first RF signal so that the first RF signal is transmitted over the entire coverage region of the base station; and converting the second IF signal into a second RF signal having the other carrier frequency, and to deciding a power intensity of the second RF signal so that the second RF signal is transmitted over a predetermined region around the base station. | 10-31-2013 |
20140013360 | APPARATUS AND METHOD FOR MANAGING VARIABLE MULTICAST AND BROADCAST SERVICE ZONES IN MBS SERVER - An apparatus and method for managing variable MBS zones in an MBS server are provided. The method variably sets an MBS zone based on a characteristic where user movement between MBS zones and content preference are changed depending on time and environment, and thereby enables a safer and faster shift of an MBS zone, thus effectively providing high-quality multimedia service in a mobile environment. | 01-09-2014 |
20140022959 | TRANSMITTER, RECEIVER AND METHOD FOR ESTIMATING VARIABLE FRAME STRUCTURE USING PREAMBLE SIGNALS - A transmitter for estimating a variable frame structure using preamble signals is provided, and the transmitter includes a subcarrier location modulator configured to modulate locations of subcarriers into predetermined locations based on information about a variable frame structure in an attempt to transmit preamble signals; and an Inverse Fast Fourier Transform (IFFT) unit configured to perform IFFT on the preambles carried on the subcarriers of which locations are modulated and wirelessly transmit the preamble signals on which IFFT has been performed. | 01-23-2014 |
20140099974 | APPARATUS AND METHOD FOR MEASURING INDOOR POSITION OF TERMINAL AND PROVIDING TERMINAL WITH PATH GUIDANCE ON BASIS OF FEMTOCELL - Provided are an apparatus and method for measuring an indoor position of a terminal and providing the terminal with path guidance on the basis of a femtocell. The apparatus for measuring an indoor position of a terminal on the basis of a femtocell includes a femtocell base station including a plurality of sensor transmitters respectively transmitting sensor signals for locating the terminal so that the terminal receives the sensor signals and a sensor controller controlling operation of the sensor transmitters, and the terminal configured to receive the sensor signals from the plurality of sensor transmitters, find which sensor transmitters the sensor signals have been transmitted from, and calculate distances between the sensor transmitters having transmitted the sensor signals and the terminal. | 04-10-2014 |
20140122596 | METHOD AND APPARATUS FOR PROVIDING N-SCREEN SERVICE BASED ON CLOUD COMPUTING - An apparatus and method for providing an N-screen service based on cloud computing. The existing SONF incurs load and costs when discovering, generating and maintaining services. Meanwhile, the apparatus and method provided herein enable to reduce the costs by using cloud computing capabilities, and also to provide more various services, thereby enhancing a user's service satisfaction. By using the apparatus and method, it is possible to serve an alternative to an N-screen service platform architecture, and by further adopting service capabilities of ITU-T and future network features, it is possible to improve service performances and satisfaction. | 05-01-2014 |
20140334398 | APPARATUS AND METHOD FOR CONTROLLING RADIO RESOURCE ALLOCATION FOR LOW POWER SENSOR COMMUNICATION SERVICE - A method for controlling radio resource allocation for a low power sensor communication service by a relay coordinator. The method may include configuring a frame that includes a Contention Access Period (CAP) offset and a Contention Free Period (CFP) offset of variable sizes, and an Relay Period (RP) that relays data between a Personal Area Network (PAN) coordinator and one or more lower hierarchical devices; and generating a beacon frame that includes information of the frame configuration, and transmitting the beacon frame to the one or more lower hierarchical devices; and transmitting data, which is received from the one or more lower hierarchical devices through the CFP, to the PAN coordinator through the RP, or transmitting data, which is received from the PAN coordinator through the RP, to lower hierarchical nodes through the CFP. | 11-13-2014 |