Sound generating device
US12126978B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2020 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | Apr 7, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure discloses a sound generating device, which comprises: a magnetic conductive yoke; a housing extending along an edge of the magnetic conductive yoke and having an annular shape, wherein a leakage opening is formed in a gap between the housing and the magnetic conductive yoke; and a metal mesh covering the leakage opening, wherein a portion of the metal mesh corresponding to the leakage opening is provided with a plurality of air holes. The sound generating device of the present disclosure can reduce the defective rate of products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.