Patent · US Active

Condenser microphone

US8818004B2 · kind B2 · utility

0Cited by

1References

4Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventors

Guenter Rosen · Großburgwedel, DE
Alexander Nowak · Hannover, DE

Key dates

Filing date	Mar 10, 2009
Grant date	Aug 26, 2014
Priority date	—
Expiry date	Jun 2, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH05K1/147
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

There is provided a capacitor microphone comprising a microphone capsule (100), which has an at least partially electrically conductive diaphragm (110) and a counterelectrode (120) associated therewith. The counterelectrode (120) has a printed circuit board (21) having a carrier of an insulating material (121a) and at least one electrically conductive surface (121b).

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