Loudspeaker comprising a rigid membrane connected to at least two coils
US11632631B2 · kind B2 · utility
0Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2021 |
| Grant date | Apr 18, 2023 |
| Priority date | — |
| Expiry date | Mar 4, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2207/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker (10) comprising a magnetic circuit (12), and a mobile assembly (14) along an axis (D) comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.