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:
Jul. 10, 2012
Filed:
Dec. 10, 2007
Applicants:
Jens Wildhagen, Burgdorf, DE;
Jan Peter Kuhtz, Celle, DE;
Axel Grell, Burgdorf, DE;
Inventors:
Assignee:
Sennheiser electronic GmbH & Co. KG, Wedemark, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10K 13/00 (2006.01); H04R 7/02 (2006.01); H04R 7/14 (2006.01); H04R 7/00 (2006.01); H04R 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is an electroacoustic transducer having a diaphragm (). The diaphragm () has a first and a second region (), wherein the hardness, stiffness or compliance of the first region () differs from the second region ().