Diaphragm assembly, a transducer, a microphone, and a method of manufacture
US11190880B2 · kind B2 · utility
0Cited by
76References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2019 |
| Grant date | Nov 30, 2021 |
| Priority date | — |
| Expiry date | Jan 14, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A diaphragm assembly for a miniature acoustical transducer having a sufficiently light paddle to allow good audio performance and a sufficiently stiff frame to allow handling. The paddle may be made of a thin sheet of aluminium and the frame of thicker aluminium or a bent sheet of aluminium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.