Sintered filter material and grill design to reduce and mitigate wind noise for perception
US12413887B1 · kind B1 · utility
0Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2023 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Mar 21, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sensor module comprising a housing defining an internal cavity having a proximal opening and a distal opening, a first barrier that covers the proximal opening of the internal cavity, a second barrier that is positioned between the first barrier and the proximal opening of the internal cavity, at least one microphone acoustically coupled to the distal opening of the internal cavity, and a porous plastic material that fills a particular portion of the internal cavity located between the proximal opening and the distal opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.