Precisely controlled microphone acoustic attenuator with protective microphone enclosure
US11785375B2 · kind B2 · utility
0Cited by
57References
18Claims
0Family size
Inventors
Key dates
| Filing date | Mar 21, 2022 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Mar 21, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The acoustic attenuator also serves as a protective microphone enclosure that reduces exposure to debris as well as environmental humidity 5 and harmful gases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.