Title:
METHOD FOR CONNECTING EXTERNAL AUDIO DEVICE AND ELECTRONIC DEVICE THEREOF
Document Type and Number:
WIPO Patent Application WO/2020/197265
Kind Code:
A1
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.
Inventors:
KO JUNHO (KR)
AN YOUNGJUN (KR)
LIM JIYOUNG (KR)
HONG JANGHOON (KR)
AN YOUNGJUN (KR)
LIM JIYOUNG (KR)
HONG JANGHOON (KR)
Application Number:
PCT/KR2020/004069
Publication Date:
October 01, 2020
Filing Date:
March 25, 2020
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H04R5/04; H04R3/00; H04R5/02
Foreign References:
| US20140211958A1 | 2014-07-31 | |||
| US9699545B1 | 2017-07-04 | |||
| KR20170060522A | 2017-06-01 | |||
| KR101822939B1 | 2018-01-29 | |||
| KR101560619B1 | 2015-10-16 | |||
| US20170127203A1 | 2017-05-04 |
Other References:
See also references of EP 3925234A4
Attorney, Agent or Firm:
KWON, Hyuk-Rok et al. (KR)
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