Electroacoustic transducer with resistance to shock-waves
US7995789B2 · kind B2 · utility
11Cited by
21References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2007 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jun 8, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transducer comprising a pair of spaced magnets at least partially forming a tunnel having a central axis. A coil having a first and a second side wall and an upper and a lower wall at least partially forms the tunnel. A reed having a central portion extends through the tunnel. The reed has a stationary end, a deflection end, and a tip portion which lies at least partially between the magnets, wherein the reed is mounted for deflection towards or away from the respective magnets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.