Earjack and electronic device including the same
US9525941B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2014 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | Jan 27, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1091
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An ear jack for preventing the generation of popup noise, and an electronic device including the same are provided. The ear jack includes a body including a passage into which an earphone is inserted. On an inside of the passage is disposed a microphone terminal to which a capacitor is connected, the microphone terminal for receiving microphone bias power when the earphone is connected to the ear jack, a ground terminal, a right sound terminal for outputting right sounds, a left sound terminal for outputting left sounds, and a detection terminal for detecting insertion of the earphone. The ground terminal includes a first ground terminal, according to a standard of the ear jack; and a second ground terminal for discharging an electric power of the capacitor, which is charged by the microphone bias power when the earphone is removed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.