Hearing aid with a ventilation channel that is adjustable in cross-section
US6549635B1 · kind B1 · utility
96Cited by
2References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 6, 2000 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Feb 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hearing aid device that can be directly inserted in the ear or worn with an otoplastic that can be inserted in the ear has an arrangement for adjusting the ventilation channel that is situated in the ventilation channel or at an opening of the ventilation channel. The arrangement has one or more adjustment elements that is/are positioned by electrical and/or magnetic miniature drives, initiated by corresponding operating elements or by the signal processing unit of the hearing aid device, or by programming the hearing aid device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.