METHOD FOR CONNECTING EXTERNAL AUDIO DEVICE AND ELECTRONIC DEVICE THEREOF

    公开(公告)号:US20200311004A1

    公开(公告)日:2020-10-01

    申请号:US16831654

    申请日:2020-03-26

    Abstract: An electronic device may include a connection unit including four ports for connecting an external audio device; a codec configured to generate an audio signal transmitted to the external audio device; a first switch unit configured to, if the external audio device is electrically connected to the electronic device, connect the first port and the second port with the codec; a second switch unit configured to, if the external audio device is electrically connected to the electronic device, connect the third port and the fourth port with the codec; a third switch unit configured to swap connection directions of the third port and the fourth port according to a coupling orientation of the external audio device and the electronic device; and a ground unit connected to the third port and the fourth port and configured to ground one of the third port and the fourth port.

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