Patent application number | Description | Published |
20090269066 | Single-Unit Integrated Transceiver Having Pump Source and Transceiver Module Using the Same - Provided are a sing-unit integrated transceiver having a pump source and a transceiver module using the transceiver. The single-unit integrated transceiver includes: an optical transmitter converting an input electric signal into a downstream optical signal; an optical receiver converting a received upstream optical signal into an electric signal; the pump source amplifying the downstream or upstream optical signal using a gain medium positioned in an optical transmission line to amplify an output optical signal; a convergence unit arranging or converging the downstream and upstream optical signals to/from the optical transmission line; and a multiplexing and/or a demultiplexing filter, the multiplexing filter positioned on an optical path between the optical transmitter/pump source and the convergence unit, and multiplexing the downstream optical signal and the amplified optical signal to pass to the convergence unit, the demultiplexing filter positioned on an optical path between the convergence unit and the optical receiver and demultiplexing the upstream optical signal to pass to the optical receiver. | 10-29-2009 |
20100010900 | SYSTEM AND METHOD OF INTERACTIVE AREA ADVERTISEMENT USING MULTICAST TRANSMITTING - An interactive advertisement system and a method thereof are provided. The interactive advertisement system includes an advertiser server, a local advertisement server, and a service receiver. The advertiser server requests registration of advertisement information by setting advertisement ID including target service areas and provides services in response to an order of available services corresponding to the advertisement information. The local advertisement server stores and registers the advertisement information including the advertisement ID corresponding to the registration request of the advertiser server, multicasts the registered advertisement information with the advertisement ID through an IP network, and transmits information related to a service request to the advertiser server. The service receiver extracts advertisement information providing a corresponding service from the received advertisement information, outputs the extracted information through a user interface, requesting the local advertisement server to order the input service, and receives the corresponding service from the advertiser server. | 01-14-2010 |
20100058411 | SYSTEM AND METHOD SUPPORTING DYNAMIC DELIVERY OF PROGRAM TIME TABLES AND BROADCAST PROGRAMS - A broadcast service provider must transmit broadcast programs by dynamically reflecting real-time reconfiguration of broadcast timetables and broadcast programs of a plurality of broadcast program providers and the broadcast service provider. | 03-04-2010 |
20100134592 | METHOD AND APPARATUS FOR TRANSCEIVING MULTI-VIEW VIDEO - A method and apparatus for transceiving a multi-view video to provide a two-dimensional (2D) video service as well as a three-dimensional (3D) video service or a multi-view 3D video service is provided. When a 2D video or a 3D stereo video or multi-view 3D video is transmitted in a 2D video synthesized by a video synthesizer, format supplementary information about the synthesized video is inserted to the PSI, PES or ES_Descriptor. The synthesized 2D video is decoded by a single video decoder and the decoded synthesized video is recovered to an original video by a video recovery unit with reference to the format supplementary information. | 06-03-2010 |
20100135325 | APPARATUS AND METHOD FOR INSERTING OR EXTRACTING NETWORK TIMESTAMP - Disclosed is a system of transporting multimedia based on network, and more particularly, to an apparatus for inserting, transporting and extracting a timestamp through a network protocol. A network timestamp is transported without changing a preset transport standard such as a UDP, an RTP and a MPEG-2 standard by adding a packet having a timestamp, which is used to compensate for network jitter and used for synchronization, to a packet stream transported through a UDP or an RTP. | 06-03-2010 |
20100135665 | BURST MODE OPTICAL REPEATER - A burst mode optical repeater is provided. The burst mode optical repeater receives optical signals, which are transmitted from a plurality of optical network units (ONUs) in a passive optical network (PON) to a central office using a time division multiplexing access (TDMA) method, and relays the received optical signals using an optical-electrical-optical (OEO) method. Since the burst mode optical repeater can be installed anywhere between an optical line terminal (OLT) and the ONUs, the number of subscribers and transmission range that can be supported by a corresponding network can be increased. | 06-03-2010 |
20110080425 | SYSTEM FOR PROVIDING MULTI-ANGLE BROADCASTING SERVICE - Provided is a system for providing a multi-angle broadcasting service. A transmission apparatus may transmit, to a reception apparatus, a plurality of source images photographed at a plurality of angles and a multi-screen image including the plurality of source images. The reception apparatus may receive the multi-screen image and decode a source image based on a user selection. | 04-07-2011 |
20110080908 | APPARATUS AND METHOD FOR CONTROLLING MULTICAST IN MULTI HOP NETWORKS - Disclosed is a multicast controlling apparatus and method in a multi hop network. The multicast controlling apparatus in the multi hop network includes a packet determining unit to receive a packet from a group management query device or a station, and to determine whether the received packet is a group management protocol packet, a packet type distinguishing unit to distinguish a type of the received packet when the received packet is determined as the group management protocol packet, and a packet transmitting unit to transmit the packet to a second port excluding a first port that receives the query message, when the received packet is determined as the query message. | 04-07-2011 |
20110090970 | TERMINAL AND RELAY NODE FOR VIDEO CONFERENCE SYSTEM - A terminal, a relay node, and a stream processing method for a video conference system may be provided. A transmitting terminal may receive media data, generate elementary streams from the media data, generate a transport stream by multiplexing the elementary streams, and transmit the transport stream to a relay node associated with a first receiving terminal among receiving terminals. | 04-21-2011 |
20110125917 | OVERLAY MULTICAST SYSTEM FOR GROUP MEDIA TRANSMISSION APPLICATION SERVICE COMPOSED OF MULTIPLE STREAM - Disclosed is an overlay multicast system for a group media transmission application service composed of a multiple stream, wherein, when an additional stream is newly transferred to a predetermined node in an overlay network, the overlay multicast system transmitting a plurality of streams in the overlay network generates a multiple stream by muxing a main stream inputted from a parent node and the additional stream based on stream correlation information in the predetermined node, and transmits the generated multiple stream to a child node. | 05-26-2011 |
20120154531 | APPARATUS AND METHOD FOR OFFERING 3D VIDEO PROCESSING, RENDERING, AND DISPLAYING - Disclosed is a 3D video display device providing a first video inputted into a left eye and a second video inputted into a right eye, the 3D video display device including: a control information acquiring device receiving control information; and a 3D broadcasting receiving device controlling a binocular disparity between the first video and the second video by using the control information transferred from the control information acquiring device as a key. According to the present invention, since a 3D video is reconfigured considering a distance between the user and the 3D video display device acquired by a control information acquiring device, a user's preference, or the like, it is possible to provide the 3D video in which a user can perceive optimal depth perception. | 06-21-2012 |
20120165040 | METHOD FOR LOCATING WIRELESS NODES USING DIFFERENCE TRIANGULATION - Disclosed is a method for locating wireless nodes using difference triangulation, including: storing information transmitted from three or more fixed wireless nodes while moving on a movement path; calculating displacement vectors among three or more measurement points sharing the information of three or more fixed wireless nodes on the movement path; calculating positional information of the mobile wireless node at another measurement point by reflecting the calculated displacement vectors to the positional information of the mobile wireless node calculated at a measurement point of a region where a location of at least one fixed wireless node is known; and calculating positional information of a location-unknown fixed wireless node by the positional information of the mobile wireless node calculated at the three or more measurement points and information received from the location-unknown fixed wireless node. | 06-28-2012 |
20120167135 | BROADCAST AUGMENTED REALITY ADVERTISEMENT SERVICE SYSTEM AND METHOD BASED ON MEDIA ID MATCHING - Disclosed is a broadcast advertisement service system based on media ID matching, including: a broadcast-contents receiving terminal for receiving broadcast contents from a broadcasting system for a TV broadcaster and displaying the broadcast contents; a server for an AR advertisement broadcaster for receiving the broadcast contents from the broadcasting system for the TV broadcaster, generating a first media ID lookup table from the broadcast contents, and searching for AR advertisement data linked with on-air broadcast contents by referring to the first media ID lookup table; and a user terminal for acquiring the on-air broadcast contents in real time from the broadcast-contents receiving terminal, generating a second media ID lookup table from the acquired on-air broadcast contents, receiving the AR advertisement data linked with the on-air broadcast contents from the server for the AR advertisement broadcaster, and mixing and displaying the acquired on-air broadcast contents and the received AR advertisement data in real time. | 06-28-2012 |
20120167140 | SYSTEM AND METHOD OF PROVIDING PERSONALIZED SERVICE - Provided is a mobile device for a personalized service including: a media receiving unit acquiring broadcasting contents during expressing in a broadcast viewing terminal device; and a comparing unit generating a media ID based on the broadcasting contents acquired in the media receiving unit, comparing the generated media ID with a media ID in a media ID list received from a media ID server to identify a channel ID, and transmitting a personalized service request message including the identified channel ID and a user ID to a personalized information providing server to request a personalized service. | 06-28-2012 |
20130011017 | METHOD OF OBTAINING SPATIAL IMAGES ON DEMAND - Provided is a method of obtaining spatial images on demand. The server segments a spatial image into a plurality of regions to detect an isolated region whose continuity with peripheral regions is less than a threshold value, generates geographic information corresponding to the detected isolated region, and generates a capture request message including the generated geographic information. In addition, the capture request message may be transmitted to at least one terminal using unicast scheme, a multicast scheme, an anycast scheme, or a broadcast scheme. The capture request message may comprise a capture condition value such as a capture direction, a capture angle, a capture time, a zoom information and an exposure value. At least one terminal which meets the capture condition value within the capture request message transmits a captured image to the server. | 01-10-2013 |
20130073261 | SENSOR SIGNAL PROCESSING APPARATUS AND SENSOR SIGNAL DISTRIBUTED PROCESSING SYSTEM INCLUDING THE SAME - There are provided a sensor data processing apparatus, and a sensor data distributed processing system including the same. The sensor data distributed processing system includes: a plurality of sensors; one or more sensor data processing apparatuses each configured to compress a sensor signal received from at least one of a plurality of sensors, to create a compressed sensor signal, to adjust the sensor signal based on a reliability of the sensor signal, to analyze the adjusted sensor signal to provide analysis data, to synchronize the compressed sensor signal with the analysis data, to transmit the synchronized sensor data, and to provide management data to a corresponding sensor; and a sensor data management apparatus configured to monitor synchronized sensor data received from each sensor data processing apparatus, and to provide management data to the sensor data processing apparatus. | 03-21-2013 |
20140136620 | PROTOCOL CONVERSION APPARATUS AND METHOD - A protocol conversion apparatus includes: a message filter unit for acquiring a unique type identifier by comparing an input message based on a first protocol to a message mask stored in a mask storage unit, and acquiring a message parameter by filtering the input message through the message mask; and a message generation unit for extracting a message template corresponding to the unique type identifier from a template storage unit, and generating an output message based on a second protocol by synthesizing the message parameter and the message template. | 05-15-2014 |
20140171137 | COMMUNICATION DEVICE AND CONTROL DEVICE FOR CONTROLLING COMMUNICATION LINKAGE BETWEEN COMMUNICATION DEVICES - A control device is provided which controls wireless communication linkage between communication devices. The control device includes a communication unit configured to perform wireless communication with first and second communication devices; a user interface unit configured to generate a communication unit active signal according to a control of a user; and a control unit configured to activate the communication unit in response to the communication unit active signal. The communication unit receives communication linkage information for communication linkage between the first and second communication devices from the first communication device and sends the communication linkage information to the second communication device. | 06-19-2014 |
20140195559 | NETWORK DEVICE, CONTROLLER FOR CONTROLLING NETWORK DEVICE, AND NETWORK CONTROL SYSTEM - Provided are a network device, a controller for controlling at least one network device constituting a software-defined network (SDN), and a network control system. The network control system includes at least one event processing network connected to a central server. The central server is configured to give each of the event processing network an event condition and an instruction describing an operation according to the event condition, and each of the event processing network is configured to analyze sensor data of the event processing network itself or a message received from a surrounding event processing network on the basis of the instruction given by the central server, and perform the operation according to the event condition when the event condition is satisfied. | 07-10-2014 |
20150063450 | APPARATUS FOR VIDEO PROCESSING AND METHOD FOR THE SAME - Disclosed are an apparatus, a method, and a system for compressing and transmitting video. The video processing apparatus comprises an overlap area extraction part being provided with at least one input video which is acquired by at least one video acquisition device and real space video data stored in a data base, and extracting overlap areas by matching the input video with the real space video data; and a video compression part compressing, based on the overlap areas, the at least one input video by using at least one reference frame based on information included in the real space video data. | 03-05-2015 |