The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 31, 2012
Filed:
Jun. 20, 2007
Applicants:
Daniel Beer, Martinroda, DE;
Heinz Gensicke, Bad Lippspringe, DE;
Sandra Brix, Ilmenau, DE;
Thomas Sporer, Fuerth, DE;
Martin Kuster, MecHangen, DE;
Inventors:
Daniel Beer, Martinroda, DE;
Heinz Gensicke, Bad Lippspringe, DE;
Sandra Brix, Ilmenau, DE;
Thomas Sporer, Fuerth, DE;
Martin Kuster, MecHangen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01);
U.S. Cl.
CPC ...
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.