Lg Electronics Inc.

Jangwoong Park

Hyeonjae Lee

Minsoo Lee

Younghwan Kwon

Seungryul Yang

Jaeho Lee

Jingu Choi

Hyunsik Yang

Dokyun Kim

Jinkwon Lim

Jinpil Kim

Janghun Bae

Jaekoo Lee

Sejin Oh

Kyoungsoo Moon

Kyungho Kim

Seungjoo An

Beomjin Jeon

Jinho Kim

Jongyeul Suh

Hyunmook Oh

Beom Jin Jeon

Taeyoung Song

Joonhee Yoon

Youngwook Kang

Younghun Nam

Joonkie Kim

Minsup Lee

Chanhun Jeon

Dongtaek Lee

The present invention relates to a method and device for transmitting and receiving, by a first device, data using Bluetooth. The present invention provides a method and device wherein the first device: generates a group for group communication with a plurality of devices; exchanges, with the plurality of devices, first configuration information of the group for the group communication; establishes Bluetooth connection to the plurality of devices on the basis of the first configuration information, the Bluetooth connection being established using a broadcasting channel or a time division technique for establishing simultaneous connection to the plurality of devices; and transmits and receives voice data to and from the plurality of devices by using a specific channel.

Method and device for transmitting and receiving data using Bluetooth technology

A method for supplying power performed by a power provider device including a plurality of ports according to an embodiment of the present invention may include providing power to a plurality of power consumer devices through the plurality of ports which is connected to the plurality of power consumer devices through an HDMI cable; detecting a connection release between a first power consumer device among the plurality of power consumer devices and a port; detecting a second power consumer device which is provided with insufficient power currently among the plurality of power consumer devices; notifying remaining supply power levels that are available to additionally supply to the second power consumer device; receiving a request of a power level that the second power consumer device is to receive among the remaining supply power levels; and supplying the power additionally to the second power consumer device as much as the requested power level.

Method for transmitting and receiving power by using HDMI and device therefor

The present invention provides a method for processing Human Interface Device (HID) data on a high-speed interface performed by a sink device including permitting a use of a Human Interface Device (HID) on a user interface of the sink device to control a user interface of a source device; receiving a request for initial configuration information of the HID from the source device; in response to the request, transmitting the initial configuration information of the HID to the source device; receiving operable configuration information from the source device, and the operable configuration information indicates configuration information of the source device which is matched to the initial configuration information of the HID; and controlling the user interface of the source device according to an input signal of the HID based on the operable configuration information.

Method and apparatus for processing human interface device (HID)-based data using high-speed interface

The present invention relates to a method and apparatus for a device to set advertising messages on Bluetooth LE (Low Energy), wherein: a gostof the device transmits to a controller of the device a first parameter-setting command for setting parameters of two or more advertising messages, and receives, as a response to the parameter-setting command from the controller, a first completion command indicating that the parameter setting has been completed; the host transmits to the controller a first data-setting command for setting first data including the two or more advertising messages, and receives, as a response to the data-setting command from the controller, a second completion command indicating that the data setting has been completed; and the host transmits to the controller a first instruction command instructing transmission of the two or more advertising messages.

Method and apparatus for sending and receiving data on Bluetooth

A method for supplying and receiving, by a sink device, power using an HDMI may include being connected to a source device through the HDMI, receiving a +5 V signal, transmitting an HPD signal, transmitting EDID information including power delivery support information or power delivery request information of the sink device, receiving a first SCDC write message including required power characteristic information indicative of a first power level requested by the source device from the sink device, writing the required power characteristic information in the power delivery configuration registers of an SCDCS, writing support power characteristic information indicative of a second power level capable of being supplied by the sink device in the status flag register of the SCDCS, transmitting the written support power characteristic information to the source device, and transmitting the power of the second power level to the source device.

Method for transmitting and receiving power using HDMI and apparatus therefor

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.

Method and device for transmitting/receiving data using HDMI

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.

Method and apparatus for transmitting and receiving data by using HDMI

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.

Method and apparatus for controlling session between devices on network including multiple devices

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.

Method for controlling IP-based HDMI device

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.

Method and apparatus for transmitting and receiving data using HDMI

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.

Method and apparatus for transmitting data using Bluetooth low energy in wireless communication system

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.

Device and method for transmitting and receiving data using HDMI

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.

Method and apparatus for Bluetooth connection

Disclosed herein is a power supply method of a sink device using a High Definition Multimedia Interface (HDMI). The method may include being connected to a source device through the HDMI, not receiving a +5 V signal from the source device for a predetermined time, supplying power of a predetermined power level to the source device through the connected HDMI, receiving the +5 V signal from the source device, transmitting a Hot Plug Detect (HPD) signal, transmitting Extended Display Identification Data (EDID) information including power supply support information of the sink device to the source device, receiving request power characteristic information of the source device, and supplying power to the source device based on the request power characteristic information.

Method and device for transmitting and receiving power using HDMI

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.

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Seoul, South Korea

Jangwoong Park