Open earphone
US11856351B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2022 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Apr 30, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a waterproof open earphone. The waterproof open earphone may include a housing, at least one button, at least one elastic pad, and at least one pair of speaker units. The housing may be placed on a head or at least one ear of a user while not blocking an ear canal of the user. The at least one button may be set on the housing, wherein each of the at least one button corresponds to a button hole. The at least one elastic pad may correspond to the at least one button, respectively, wherein each elastic pad prevents the corresponding button from moving relative to the button hole. Each pair of the at least one pair of speaker units may generate sound within a frequency range from two sound guiding holes through two sound guiding tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.