Filter for a microphone system, a microphone system, a miniature electronic device and a method of equipping a printed circuit board
US11128964B2 · kind B2 · utility
5Cited by
0References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2017 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | May 5, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/342
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A filter for a microphone system of a miniature electronic device. The filter includes a sound inlet and a sound outlet, wherein the filter is adapted to be mounted on a surface of a printed circuit board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.