Sound producing device and electronic product
US11962962B2 · kind B2 · utility
0Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2019 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Jul 12, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a sound producing device and an electronic product, the sound producing device including a front cover and a shell which are bonded together; wherein a diaphragm is accommodated in a cavity enclosed by the front cover and shell, an upper surface of the front cover away from the diaphragm is covered with an elastic sealing piece, and the elastic sealing piece and the front cover are bonded by hot pressing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.