Earphone
US11197080B2 · kind B2 · utility
6Cited by
0References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 21, 2020 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | May 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earphone includes a housing, a first eartip, and a second eartip. The housing defines a vent hole therein. The first eartip is configured to be mounted on the housing and cover the vent hole. The second eartip is configured to be mounted on the housing and exposing the vent hole. The housing selectively cooperates with one of the first eartip and the second eartip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.