Microphone with adjustable characteristics
US9107008B2 · kind B2 · utility
9Cited by
0References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2010 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Aug 23, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2410/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A microphone comprises a movable diaphragm 2 and a back electrode 4. The mechanical relationship between the back electrode 4 and the diaphragm 2 is adjustable thereby to control the cut-off frequency of the microphone. This enables the microphone to be adapted to different noise environments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.