Patent · US Active

MEMS microphone and package with integrated passive acoustic filter, extended soundport

US11910154B2 · kind B2 · utility

2Cited by

1References

20Claims

0Family size

Assignee

Infineon Technologies AG · DE

Inventors

Daniel Neumaier · Feldkirchen in Kärnten, AT
Niccoló De Milleri · Villach, AT

Key dates

Filing date	Apr 8, 2022
Grant date	Feb 20, 2024
Priority date	—
Expiry date	Apr 21, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2201/003
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A MEMS device includes a package for providing an inner volume, a MEMS microphone arranged in the inner volume, a sound port through the package to the inner volume, and a passive acoustic attenuation filter acoustically coupled to the sound port.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.