公开(公告)号：US11372789B2

公开(公告)日：2022-06-28

申请号：US16831654

申请日：2020-03-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Junho Ko ,  Youngjun An ,  Jiyoung Lim ,  Janghoon Hong

IPC: G06F13/40 ,  H01R13/66 ,  H01R27/00 ,  G06F11/30 ,  H01R24/58 ,  H04M1/60

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.