Magnetic assembly for a transducer
US7362878B2 · kind B2 · utility
17Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2004 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Jul 4, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2209/024
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transducer suitable for use as a microphone or receiver in a hearing aid has a housing and a diaphragm disposed within the housing. A motor assembly is also disposed within the housing and operatively coupled to the diaphragm. The motor assembly includes a magnet assembly having a magnetic yoke forming a channel and a drive magnet disposed within the channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.