Speaker core, speaker, and electronic device
US12212924B2 · kind B2 · utility
0Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 2021 |
| Grant date | Jan 28, 2025 |
| Priority date | — |
| Expiry date | Oct 8, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker core, speaker, and associated electronic device include at least one bent portion of a diaphragm folded ring suspended over a top of a diaphragm frame enclosing an enlarged vibration space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.