Earphone
US10735847B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 9, 2018 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Oct 9, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earphone includes an earphone body and an adjustment assembly. The earphone includes a shell and a speaker unit. The shell has a chamber, an audio hole and a ventilation hole. The audio hole and the ventilation hole are connected to the chamber. The speaker unit is located in the chamber and is corresponding to the audio hole. The adjustment assembly includes a baffle and a button. The baffle is located in the chamber and is located between the speaker unit and the ventilation hole. The button is connected to the baffle and is movably disposed on the shell so that the baffle is movable to connect the ventilation hole to the chamber or to disconnect the ventilation hole from the chamber by the button.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.