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    Image display device, method of connecting peripheral device, and image display system including same image display device
    4.
    发明授权
    Image display device, method of connecting peripheral device, and image display system including same image display device 有权

    公开(公告)号：US11050967B2

    公开(公告)日：2021-06-29

    申请号：US16922167

    申请日：2020-07-07

    Applicant: LG ELECTRONICS INC.

    Inventor： Seon Il Yu ,  Jang Hee Lee ,  Kwangseob Jeong

    IPC: H04N5/44 ,  G06F3/14 ,  H04N3/10

    Abstract: An image display device includes an external device interface unit configured to connect the image display device with an external device; a display unit configured to display an image received from the external device; a user input interface unit configured to receive an input signal and to send a control signal corresponding to the input signal to a relay device acting a communication relay between the image display device and the external device; and a controller configured to in response to the image display device being powered on, check whether or not a connection log of the image display device includes a previous connection between the image display device and the relay device, scan for an advertisement packet from the relay device at a first scan interval when the connection log does not include the previous connection between the image display device and the relay device, and scan for the advertisement packet from the relay device at a second scan interval having a longer time duration than the first scan interval when the connection log includes the previous connection between the image display device and the relay device.

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