Hearing instrument vent
US7424122B2 · kind B2 · utility
62Cited by
11References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 5, 2004 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Aug 6, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vent configuration for a hearing instrument comprises a vent tube having a length and a vent opening, and at least one cell positioned around the periphery of the vent tube. The at least one cell is closed at a first inner end and open at an outer end, which is adjacent the vent opening. The cell is a tube that extends around the periphery of the vent tube along a portion of the length of the vent tube. A hearing instrument incorporating the vent configuration is also included.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.