Hearing-aid transducer having an engineered surface
US8506473B2 · kind B2 · utility
54Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 8, 2009 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Jan 3, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/658
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hearing aid transducer adapts itself to variations in the surface of a tympanic membrane and slides over the migrating membrane without lubrication. Microscopic setae create a conforming interface between the biocompatible material of the transducer and the living tissue of the tympanic membrane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.