Adjustable spring assembly for a vibrator of a bone anchored hearing aid
US8798300B2 · kind B2 · utility
2Cited by
4References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 18, 2012 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Jan 28, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/606
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Spring assembly as part of a vibrator for a bone anchored hearing aid, wherein the spring assembly comprises a suspension spring having a first end immovably connected to a mass of the vibrator and a second end immovably connected to a coupling attachable to a user's skull bone and comprised by the vibrator, wherein the spring assembly comprises an adjusting means adapted to adjust a spring rate of the suspension spring between a first spring rate and a second spring rate, the first rate being higher than the second rate, so as to move a resonance peak of the vibrator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.