Earphone with adjustable plug
US8358800B2 · kind B2 · utility
2Cited by
2References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 3, 2010 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | Apr 7, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R2103/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An earphone comprises two earbuds, a plug assembly, and a wire connected to the earbuds and the plug assembly. The plug assembly comprises a first insulation shell, a second insulation shell, an adjusting wheel located between the first insulation shell and the second insulation shell, a plug fixed in the inside of the first insulation shell, two stopping blocks fixed to one side of the first insulation shell away from the wire, and a resetting element received in the second insulation shell. The plug comprises a plug core and a sleeve set on the outside of the plug core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.