Abstract: The present specification relates to a method for performing, by a first device, scanning in a wireless communication system, comprising the steps of: receiving a scan request which orders at least one neighboring device to perform scanning; and performing the scan negotiation procedure with a second device. According to the present specification, it is possible to enable a device with an insufficient energy source to perform a scanning function at lower power than a conventional wireless communication technique by performing a search function by another device.

Abstract: A video display apparatus pairs with a first terminal device. The video display apparatus receives an audio-visual content, and displays the audio-visual content. The video display apparatus acquires enhanced service information on an available enhanced service for the audio-visual content, and notifies an occurrence of the available enhanced service to the first terminal device.

Abstract: Provided are a method of receiving an enhanced service and a video display device thereof. The method includes: receiving an audio-visual (AV) content; extracting first feature information from the received AV content; receiving a database including at least one of content information, enhanced service information, and an enhanced service, which correspond to the first feature information, from a first server by transmitting the extracted first feature information to the first server; storing the database received from the first server in a memory; extracting second feature information from the received AV content; and searching and obtaining one of content information, enhanced service information, and an enhanced service, which correspond to the extracted feature information, from the database.

Abstract: A photovoltaic module includes: a photovoltaic solar cell module; a junction box disposed on a back surface of the photovoltaic solar cell module, and to convert a DC power from the photovoltaic solar cell module to an AC power; and a first cable electrically connected to the junction box and to output the AC power. The junction box includes an insulating case having an insulating material, and disposed on the back surface of the photovoltaic solar cell module, and a circuit board within the insulating case, and mounted thereon a converter for converting a level of the DC power from the photovoltaic solar cell module, and an inverter for converting a DC power from the converter into an AC power. Th first cable includes first and second conductive lines for outputting the AC power output from the circuit board to the outside, without a grounding line.

Abstract: A method for performing a docking service using Wi-Fi by a wireless dockee (WD), includes transmitting a probe request including a docking information element (IE) 1 for discovering to docking service to a wireless docking center (WDC); receiving a probe response including a docking IE 2 from the wireless docking center (WDC) which has received the probe request; and performing a docking connection with the wireless docking center (WDC) based on the received probe response, wherein the docking IE 1 includes at least one of a device name parameter indicating a name of a device, a device Identifier parameter for identifying a device, or a docking information request parameter indicating a command of a docking service discovery.

Abstract: Provided are a video display device and a method of controlling the same. The method includes obtaining an uncompressed audio-visual (AV) content; playing the uncompressed AV content through the display unit; obtaining content information of the uncompressed AV content on the basis of a content section of the uncompressed AV content; obtaining content change time information and enhanced service information on the basis of the content information; and determining a delay time for obtaining the next content information on the basis of the content change time information.

Abstract: The present invention relates to a method for managing a connection between a first device and a second device in a network. The method may include requesting application information to the second device, the application information including information related to a specific application included in the second device for an interactive service, obtaining the information related to the specific application from the second device in response to the request, and performing the connection between the first device and the second device based on the information related to the specific application.

Abstract: A method and device for transmitting and receiving data using HDMI (High-Definition Multimedia Interface) are disclosed. The method, if performed by a source device, includes: receiving a request from a sink device to transmit data processing capability information indicating whether the source device is capable of processing user-input data or not; transmitting the data processing capability information to the sink device; and receiving the user-input data from the sink device.

Abstract: The present invention is related to a method and an apparatus for transmitting and receiving data by using Bluetooth LE. A method and an apparatus according to the present invention comprises transmitting a first request message for requesting data to a second device; receiving a first response message including data in response to the first request message; if size of the data is equal to the maximum data transmission size, transmitting a second request message for transmitting additional data; and receiving a second response message including the additional data in response to the second request message, wherein the first request message or the second request message includes at least one of ID information, index information, or index range information of the data; and the first response message or the second response message includes at least one of length information or ID information.

Abstract: A method and apparatus for transmitting and receiving an MPEG-2 TS-based media file are provided. In the method of transmitting an MPEG2 Transport Stream (TS)-based media file, a Presentation Time Stamp (PTS) of a Presentation Unit (PU) is mapped to a Media Presentation Time (MPT) for synchronization with other media with respect to at least one program element forming a program included in the media file; and synchronization information including the mapped media presentation time is transmitted together with the media file, wherein the media presentation time is provided for a first PU in a segment of the transmitted media file.

Abstract: A method for a source device transmitting data by using HDMI (High Definition Media Interface) to transmit and receive data is disclosed. A method for an HDMI source device to transmit and receive data comprises transmitting, to a sink device, a request for reading out EDID (Extended Display Identification Data) if the sink device is connected; receiving, from the sink device, EDID including port information of the sink device; transmitting operation parameter information determined based on the EDID; and transmitting data through HDMI.

Abstract: Provided are a video display device and a method of controlling the same. The method includes: obtaining an uncompressed audio-visual (AV) content; playing the uncompressed AV content through the display unit; obtaining content information of the uncompressed AV content on the basis of a content section of the uncompressed AV content; obtaining content change time information and enhanced service information on the basis of the content information; and determining a delay time for obtaining the next content information on the basis of the content change time information.

Abstract: The present invention relates to a method and device for performing a Bluetooth reconnection procedure. In accordance with embodiments of the present invention, there are provided a method and device, including sending a first message notifying a second device of the activation of a first device to the second device through a specific channel, receiving a beacon message through the specific channel from the second device as a response to the first message, sending a request message requesting a connection with the second device using Bluetooth to the second device through the specific channel, and receiving a confirm message through the specific channel from the second device as a response to the request message. The first device stores information related to the Bluetooth connection with the second device.

Abstract: The present invention relates to a method and a device for forming a substitute communication means by using Bluetooth low energy (LE). According to the present invention, provided are the method and the device, the method comprising the steps of: receiving an advertising message including substitute communication means information and service information from a second device, wherein the substitute communication means information includes information of a substitute communication means supported by the second device, and the service information includes information of at least one service, which can be provided by the second device through the substitute communication means; transmitting, to the second device, a filling out request message for requesting the activation of the substitute communication means and the at least one service; and receiving a response message as a response to the filling out request message.

Abstract: Disclosed are a method and apparatus for forming a connection between devices using a Bluetooth low energy (BLE) technology. The method for forming a connection between a first device and a second device using BLE includes receiving an advertising message including information related to a pairing control service from the first device, establishing a Bluetooth connection with the first device based on the advertising message, transmitting a first write request message requesting writing of connection request information indicating transmission of a connection request message to the second device included in pairing control point information through Bluetooth, and receiving a first indication message including connection state information indicating a state of a connection with the second device from the first device, wherein the pairing control point indicates information instructing the first device to perform a specific operation.

Abstract: A method for processing data by a source device which transmits an object-based audio (OBA) using a high definition media interface (HDMI), includes when a sink device is connected, requesting the sink device to read an enhanced extended display identification data (E-EDID), receiving an E-EDID including OBA-processing information of the sink device from the sink device, the OBA processing information including at least one of capability information indicating capability of processing the OBA and property information required for processing the OBA, and determining whether the sink device is capable of processing the OBA based on the OBA processing information.

Abstract: The present invention relates to a method and apparatus for transceiving media content through the Internet. A media transmitting method according to one embodiment of the present invention transmits media content through the Internet, and comprises the steps of: configuring the media content with a plurality of representations; dividing each of the plurality of representations into a plurality of segments; dividing each of the plurality of segments into a plurality of sub-segments; generating a plurality of time reference values corresponding to each of the plurality of sub-segments; and transmitting any one of the representations, wherein the representation being transmitted comprises the plurality of time reference values. According to the one embodiment of the present invention, media content can be seamlessly played back due to switching a bit stream when the state of a network changes.

Abstract: The present invention relates to a method for transmitting and receiving data performed by a first device that receives service list information through Bluetooth Low Energy (LE). The present invention provides a method and apparatus including receiving an advertising message for discovering a second device from the second device, establishing a Bluetooth LE connection with the second device based on the advertising message, transmitting a first request message requesting connection information for establishing the Bluetooth BR/EDR connection with the second device through the Bluetooth LE, receiving a first response message including the connection information from the first device, and establishing a Bluetooth BR/EDR connection for providing a specific service with the second device.

Abstract: The present specification relates to a method for performing, by a first device, scanning in a wireless communication system, comprising the steps of: receiving a scan request which orders at least one neighboring device to perform scanning; and performing the scan negotiation procedure with a second device. According to the present specification, it is possible to enable a device with an insufficient energy source to perform a scanning function at lower power than a conventional wireless communication technique by performing a search function by another device.

Abstract: Provided are a video display device and a method of operating the same. The method includes: executing an enhanced service playing application not dependent on any single channel; obtaining an uncompressed audio video (AV) content; playing the uncompressed AV content through the display unit; attempting to obtain contents information on the uncompressed AV content on the basis of a part of the uncompressed AV content; transmitting an enhanced service request message to an enhanced service providing server not dependent on any single channel by the enhanced service; receiving an enhanced service from the enhanced service providing server; and playing the enhanced service through the display unit by the enhanced service playing application.