Samsung Electronics Co., Ltd.

Gangneung-wonju National University Industry Academy Cooperation Group

Gangneung-wonju National University Industrial Academy Cooperation Group

Gangnung-wonju National University Industry Academy Cooperation Group

Gangneung-wonju National University Academy Cooperation Group

Tae-yun Chung

Young-nam Oh

Jung-suk Kang

Seong-jin Moon

Pan-gie Park

Bong-gil Bak

Sung-Wook Park

Hee-soo Lee

Hyun-kwon Chung

Han-Su Chung

Dae-iL Kim

Bong-kil Park

Jae-jun Lee

Jung-Ho Moon

Hong-seok Park

Yong-seok Jang

Sung-wook Park

Gyu-hwan Jung

Pan-Jong Park

Hyung-Bong Lee

Jae-Hyun Kim

Jung-Wan Ko

Jung-kwon Heo

Min-seok Kim

Jong-ho Yang

Lae-Jeong Park

Sun-San Choi

Ui-Min Jung

Yong-nam Oh

A reproducing device is provided. The reproducing device includes: a driver configured to load a recording medium in response to the recording medium being attached, wherein the recording medium records video data and additional information encoded according to a High Efficiency Video Coding (HEVC) method; a data processor configured to process the video data; a controller configured to provide a service corresponding to the additional information. The service includes at least one of a trick play service, an interested region enlargement service, and an object adjusting service.

Recording medium, reproducing device for providing service based on data of recording medium, and method thereof

A recordable and/or rewriteable recording medium for storing still picture data, and recording and/or reproducing method and apparatus therefor. The recording medium stores still picture group information for grouping a plurality of still pictures in order to manage the still picture at a group level, and stores audio group information for grouping additional audio data added to the still picture data after the still picture data are recorded. Therefore, large-capacity still picture data and additional audio data added thereto can be recorded using a minimum amount of management information. Further, during reproduction, data can be displayed and edited in units of the respective still pictures. Also, it is possible to cope with after-recording of the audio data.

Recording medium for storing information for still picture, recording and/or reproducing method and apparatus therefor

A content processing apparatus is provided, which includes an inputter configured to receive an input of high resolution content, a data processor configured to generate video frames by processing the high resolution content, and a controller configured to control the data processor to configure an object that corresponds to the high resolution content as an object for low resolution and to add the object to the video frame if an output resolution of a display panel to display the video frames is a low resolution.

Content processing apparatus for processing high resolution content and content processing method thereof

A recording medium and a recording apparatus for storing manufacturer information for supporting specific functions for each manufacturer and a method therefor. A reproducing apparatus for reproducing manufacturer information for supporting specific functions and a method therefor is also provided. If a recording apparatus modifies the contents of the recording medium, then it should record its manufacturer's identification code. A recording apparatus/reproducing apparatus should check the identification code on the recording medium before using its own manufacture information item for some specific function. Also, it is possible to reduce the time required to determine whether the manufacturer information items are effective.

Method and apparatus for recording manufacturer information on a recording medium and for determining whether the manufacturer information is effective

The present invention is to provide a method and apparatus for multiplexing a sync node and a gateway of a wireless sensor network, which is capable of allowing communication of the wireless sensor network to be normally performed by multiplexing paths of the sync node and the gateway of the wireless sensor network even in the case where any one of the sync node and the gateway abnormally operates and by transmitting upstream data and downstream data through a path selected among the duplexed paths according to characteristics of the wireless sensor network.

Apparatus of multiplexing data transmission path for wireless sensor network

A firmware updating method for the new node includes (a) a new node searching for neighbor nodes located within a predetermined distance, (b) the new node designating a parent node among the searched neighbor nodes, (c) in the case where the plurality of nodes include a join receiving state for joining the new node to the wireless sensor network, the designated parent node and the new node establishing a communication link by using the join receiving state, (d) the parent node transmitting firmware to the new node through the established communication link and (e) the new node receiving the firmware from the parent node, updating existing firmware with the received firmware, and driving the updated firmware to be jointed to the wireless network.

Method for updating firmware of sensor nodes on a wireless sensor network and firmware updater using for the same method

A method for updating firmware of a plurality of nodes constituting a wireless sensor network is disclosed. The wireless sensor network includes a server, a gateway and the plurality of nodes. The firmware to be updated is transmitted from the server through the gateway to an uppermost node. The firmware is sequentially transmitted to the plurality of nodes from the uppermost node to a lowermost node using wireless communication, and the respective nodes, which have received the firmware, record the firmware in their own memory. When the recording of the firmware is completed in all the nodes, boot programs of the respective nodes are run and the firmware, stored in the memory, is recorded in program memory, the firmware recorded in the nodes are executed, and the nodes constitute a new network while communicating with the peripheral nodes thereof.

Method for updating firmware of sensor nodes on the wireless sensor network

A communication method for a mobile sensor node in a wireless sensor network includes: in a state that the mobile sensor node performs synchronization by a message reception interrupt from a parent sensor node and determines an uplink active duration and a downlink active duration, transmitting a message to the parent sensor node in the transmitting duration of the uplink active duration, receiving and processing messages from the parent sensor node and sensor nodes linearly connected around the parent sensor node in the receiving duration of the uplink active duration, and resetting a new parent sensor node using the received signal strength indications RSSIs of the received messages; and transmitting a message to the parent sensor node in the transmitting duration of the downlink active duration, checking whether or not a message is received from the parent sensor node in the receiving duration of the downlink active duration, if the message is not received from the parent sensor node, determining that time synchronization fails and resetting a new parent sensor node, and if the message is received from the parent sensor node, performing time synchronization according to a message reception interrupt from the parent sensor node.

Communication method for a mobile sensor node in a wireless sensor network

A recording medium and a recording apparatus store manufacturer information to support specific functions for each manufacturer and a method therefore. A reproducing apparatus reproduces the manufacturer information to support specific functions. When the recording apparatus modifies the contents of the recording medium, the manufacturer's identification code is recorded. The recording apparatus and the reproducing apparatus checks the identification code on the recording medium before using its own manufacture information item for some specific function. Also, a time required to determine whether the manufacturer information items are effective is reduced.

Provided are a double linked wireless sensor network capable of performing bidirectional communication and a method of transmitting and receiving data. In each of nodes constituting the wireless sensor network, an active duration and an inactive duration are alternately repeated, and the active duration is configured to include an upstream duration, an intermission duration, and a downstream duration. Each of the downstream duration and the upstream duration is configured to sequentially include a second receive slot, a second receive processing slot, a first receive slot, a first receive processing slot, a transmit slot, a transmit processing slot, a first acknowledge slot, a first acknowledge processing slot, a second acknowledge slot, and a second acknowledge processing slot, and wherein bidirectional communication can be performed between the sink node and the terminal node in a single period of the active duration. In the wireless sensor network, a transmit processing duration TXP is maintained in a receiving mode capable of receiving data from other nodes, so that a new node can be easily joined as a terminal node or an intermediate node. In addition, in the wireless sensor network, each of the upstream duration and the downstream duration is provided with consecutive two receiving durations, so that, although links to consecutive two nodes are disconnected, it is possible to simply recover the links.

Double linked wireless sensor network being capable of bidirectional communication and method thereof

A routing method of a wireless network system is provided. Paths of the wireless network system are divided into down-stream and up-stream paths. The up-stream paths are reset for each period, or whenever a network is changed, or whenever transmission of data fails more than a predetermined number of times. Accordingly, it is possible to secure an average lifetime of a wireless network system by previously preventing a bottleneck from occurring at a specific node, increase a transmission speed of data by reducing the hop count to the sink node connected to the information collector, and reduce power consumption of a battery.

Routing method and wireless network system

Disclosed is a wireless sensor network with a linear structure capable of bidirectional communication. The wireless sensor network includes a plurality of nodes linearly connected from a sink node to a terminal node by connecting each node to a single upper-level node and a single lower-level node, each node has an active period for transmitting/receiving data to/from its upper-level node and lower-level node, the active period includes a downstream duration for transmitting data/commands from the sink node to the terminal node and an upstream duration for transmitting data/commands from the terminal node to the sink node, and each of the upstream and downstream durations sequentially includes RX, TX, and ACK intervals, so that bidirectional communication between the sink node and the terminal node can be performed within a single active period.

Growing community of inventors

Gwacheon, South Korea

Tae-yun Chung