Patent · US Active

Loudspeaker diaphragm and method for manufacturing a loudspeaker diaphragm

US8107667B2 · kind B2 · utility

1Cited by

4References

19Claims

0Family size

Assignee

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

Inventors

Daniel Beer · Martinroda, DE
Heinz Gensicke · Bad Lippspringe, DE
Sandra Brix · Ilmenau, DE
Thomas Sporer · Ergolding, DE
Martin Kuster · Los Gatos, US

Key dates

Filing date	Jun 20, 2007
Grant date	Jan 31, 2012
Priority date	—
Expiry date	Sep 8, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49575
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A loudspeaker diaphragm includes a tapering edge region. Thus, it is possible to prevent or considerably reduce wave reflection and uncontrolled wave propagation caused thereby in a cheap and effective manner.

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