Patent · US Active

Microphone component

US9035307B2 · kind B2 · utility

0Cited by

1References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Bernhard Gehl · Wannweil, DE
Thomas Buck · Tamm, DE
Florian Schoen · Altdorf, DE

Key dates

Filing date	Dec 27, 2013
Grant date	May 19, 2015
Priority date	—
Expiry date	Dec 27, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04R19/04
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A 2-chip MEMS microphone component includes: at least one first MEMS microphone structural component having at least one first microphone structure formed in the front side of the structural component; an ASIC structural component having evaluation electronics for the microphone signal of the MEMS microphone structural component; and a housing having a sound opening. The MEMS microphone structural component is mounted within the housing and above the sound opening in such a way that the rear side of the microphone structure is acted on by the sound pressure. The ASIC structural component also includes a second MEMS microphone structure whose microphone signal is fed to the evaluation electronics.

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