Abstract: The present disclosure provides a method performed by a control device and an apparatus therefor. According to the present disclosure, a method performed by a control device in a short-range wireless communication system, the method comprising: transmitting, to a first device, a signal for configuring an audio data output volume of the first device as a reference value; transmitting, to the first device, a test stream for calibration on a audio data output volume of devices consisting of a multi-channel surround system; and measuring an audio data output of the first device based on (i) the reference value and (ii) the test stream.

Abstract: A method for receiving audio data using Bluetooth Low Energy technology comprises: receiving, from a server device, a first advertisement message including information for providing an audio streaming service and a second advertisement message including synchronization information for synchronization between the client device and the server device; receiving, from the server device, a third advertisement message including transmission timing information of the audio data related to the audio streaming service, wherein audio data information for providing information on the audio data is included in at least one of the second advertisement message and the third advertisement message; receiving, from the server device, the audio data through isochronous channel; obtaining, from an user, specific information related to whether to permit a provision of the audio streaming service based on the audio data information; and decoding the audio data based on the specific information representing permission to provide t

Abstract: A method for receiving audio data using Bluetooth Low Energy technology, the method performed by a client device comprising: receiving, from a server device, a first advertisement message including information for providing an audio streaming service; receiving, from the server device, a second advertisement message including synchronization information for synchronization between the client device and the server device; receiving, from the server device, a third advertisement message including an indicator representing that audio data of the audio streaming service is grouped with audio data information for the audio data and transmitted; receiving, from the server device, broadcast audio data including the grouped audio data and the audio data information based on the indicator, through an isochronous channel; obtaining, from an user, specific information related to whether to permit a provision of the audio streaming service based on the audio data information; and decoding the audio data based on the s

Abstract: A method for a control device to control a connection between a first device and a second device using short-range wireless communication, the method comprising: transmitting, to the first device, a first message including a first operation code for reconnection after an initial connection between the first device and the second device is established, wherein the first operation code includes a first code instructing storage of an address of the second device in a first white list including addresses of devices connected to the first device at least once; transmitting, to the second device, a second message including a second operation code for the reconnection, wherein the second operation code includes a second code instructing storage of an address of the first device in a second white list including addresses of devices connected to the second device at least once; and instructing the first device and the second device to form a connection between the first device and the second device, wherein each of th

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: The present disclosure relates to a method and device for a control device to set an audio channel in a wireless communication system by using Bluetooth Low Energy technology. According to the present disclosure, an advertising packet is received from each of a plurality of devices, wherein the advertising packet includes at least one among location information, codec information, and/or role information for the respective device. The control device transmits a plurality of pieces of setting information, for providing an audio service, to the plurality of devices on the basis of the advertising packet, wherein each piece of setting information includes delay information about the respective device, and the control device transmits channel setting information for an isochronous channel, for providing the audio service, to the plurality of devices.

Abstract: The present disclosure provides a method of receiving audio data using Bluetooth Low Energy technology.

Abstract: The present specification provides a method for performing a user authentication of a first client device using a server device in a wireless communication system.

Abstract: Provided in the present specification is a method by which a user device performs a handover in a wireless communication system. Particularly, the method by which a user device performs a handover comprises the steps of: connecting by Bluetooth with a first target device on the basis of first authentication information; measuring a first link state between the user device and the first target device; measuring a second link state between the user device and the second target device; determining whether to perform a handover for the second target device on the basis of the first link state and the second link state; and performing a Bluetooth connection procedure with the second target device when performance of the handover for the second target device is determined, wherein second authentication information for the Bluetooth connection procedure with the second target device is the same as the first authentication information for the Bluetooth connection with the first target device.

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 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: 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 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: The present invention is related to a method and an apparatus for transmitting and receiving data by using HDMI (High Definition Media Interface). A method and an apparatus according to the present invention comprises requesting reading EDID (Extended Display Identification Data) from a sink device in case the sink device is connected; receiving from the sink device EDID including capability information of the sink device, wherein the capability information indicates whether the sink device is capable of processing gesture information; requesting gesture information indicating a predetermined gesture which may be recognized or extracted from the sink device on the basis of the EDID; and receiving the gesture information from the sink device.

Abstract: Disclosed herein are a photovoltaic module and a photovoltaic system including the photovoltaic module. The photovoltaic module includes a solar cell module having a plurality of solar cells, an inverter to convert DC power from the solar cell module to AC power, a cable to output the AC power from the inverter, and an infrared (IR) communication unit to transmit, at least one of voltage information of the solar cell module, current information of the solar cell module, voltage information of the inverter, and current information of the inverter, to an adjacent first photovoltaic module, an external gateway, or an external IR communication device. Thereby, communication with an external terminal can be easily performed.

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: The present invention relates to a method and an apparatus for transmitting and receiving data by using high definition media interface (HDMI). According to the present invention, provided are a method including: receiving a request message for requesting first latency information indicating latency for outputting the data from a receiver, the request message including second latency information indicating the latency of the receiver; acquiring the first latency information based on at least one of the second latency information and third latency information indicating the latency of the sink device; and transmitting a response message including the first latency information as a response to the request message to the receiver, and an apparatus.

Abstract: The present invention relates to a method and an apparatus for connecting a first device to a second device using Bluetooth low energy (LE). According to the present invention, provided are a method and an apparatus which receive, from the second device, a first advertising message comprising first interval information indicative of the transmission interval of the advertising message; adjust the size of a scan window for searching for peripheral devices on the basis of the first advertising message; receive a second advertising message from the second device or an external device via the scan window; and establish a Bluetooth LE connection with the second device if the transmission interval indicated by the interval information is the same as the interval at which the first advertising message and the second advertising message are transmitted.

Abstract: Disclosed is a method for controlling a session between devices on a network including a plurality of devices, including: receiving a session control request message from a control device, wherein the session control request message represents a message for operating a session control between a first device and a second device; transmitting a triggering message for a specific control operation to the first device on the basis of the received session control request message; performing the session control between the first device and the second device by using the triggering message; and receiving a triggering response message from the first device, wherein the triggering response message indicates a result of performing the session control.

Abstract: A data transmission and reception method for a sink device which is connected to a plurality of source devices by means of a high definition multimedia interface (HDMI), according to an embodiment of the present invention, comprises the steps of: receiving an allocation of an internet protocol (IP) address; transmitting device information about a sink device to a control point through a network; and transmitting service information about a supportable service by the sink device to the control point through the network.