Earphone
US11012771B2 · kind B2 · utility
0Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2017 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Aug 16, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/09
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides an earphone, including: an earphone base; an earphone plug, where the earphone plug is disposed on the earphone base; an eject pin configured to remove a card tray of a mobile terminal, where the eject pin is disposed in the earphone plug and the eject pin is connected to the earphone base by using a spring; and a pin controller, where the pin controller is connected to the earphone base, and the pin controller controls the eject pin to extend out of the earphone plug along an axial direction of the earphone plug or to retract into the earphone plug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.