Method for connecting external audio device and electronic device thereof
US11372789B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2020 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Mar 26, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2213/0042
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.