Solid state transducer for converting between an electrical signal and sound
US6552469B1 · kind B1 · utility
51Cited by
17References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2001 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | May 8, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R19/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A solid state transducer is disclosed. The transducer comprises a micromachined electrostatic actuator formed of silicon, a support brace disposed about the actuator, and a membrane coupled to the support brace. The actuator is operatively coupled to the membrane. The transducer may be either a receiver or a microphone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.