Diaphragm, a sound generator, a hearing device and a method
US10820104B2 · kind B2 · utility
0Cited by
76References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2018 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Aug 22, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R11/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A diaphragm with a hinge portion and a drive portion and a plurality of oblong frame portions between the hinge portion and drive portion. The oblong frame portions are able to vibrate independently of each other and may have different resonance frequencies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.