Patent · US Active

Electroacoustic transducer

US8215445B2 · kind B2 · utility

2Cited by

21References

9Claims

0Family size

Assignee

Sennheiser electronic GmbH & Co. KG · DE

Inventors

Jens Wildhagen · Waiblingen, DE
Jan Peter Kuhtz · Celle, DE
Axel Grell · Großburgwedel, DE

Key dates

Filing date	Dec 10, 2007
Grant date	Jul 10, 2012
Priority date	—
Expiry date	Dec 10, 2027

Classification

Technology area (CPC H)Electricity
CPC primaryH04R31/003
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Provided is an electroacoustic transducer having a diaphragm (10). The diaphragm (10) has a first and a second region (20, 30), wherein the hardness, stiffness or compliance of the first region (20) differs from the second region (30).

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