Microphone with acoustic mesh to protect against sudden acoustic shock
US8724841B2 · kind B2 · utility
52Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2012 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Oct 25, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable electronic device having an outer case having a substantially planar face in which a microphone associated acoustic port is formed. The device also has a micro-electro-mechanical system (MEMS) microphone positioned within the outer case, the MEMS microphone having a diaphragm facing the microphone associated acoustic port. An acoustic mesh is positioned between the front face of the outer case and the diaphragm, the acoustic mesh having a non-linear acoustic resistance so as to minimize an effect of an incoming air burst on the diaphragm. Other embodiments are also described and claimed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.