Patent · US Active

Electroacoustic driver

US9955265B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

Daniel Beer · Martinroda, DE
Lutz Ehrig · Dresden, DE
Lorenz Betz · Wassertrüdingen, DE
Philip Leistner · Renningen, DE
Karlheinz Bay · Stuttgart, DE
Michael Leistner · Stuttgart, DE

Key dates

Filing date	Jan 30, 2015
Grant date	Apr 24, 2018
Priority date	—
Expiry date	Jan 30, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2207/00
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

An electroacoustic driver includes a diaphragm, a diaphragm drive system and a diaphragm suspension. The diaphragm system is configured to subject the diaphragm to a motion, wherein the diaphragm suspension is configured to guide the diaphragm. The diaphragm drive system includes an active element configured to actively influence the motion of the diaphragm.

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