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:
Apr. 24, 2018
Filed:
Jan. 30, 2015
Applicant:
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Daniel Beer, Martinroda, DE;
Lutz Ehrig, Dresden, DE;
Lorenz Betz, Wassertruedingen, DE;
Philip Leistner, Stuttgart, DE;
Karlheinz Bay, Stuttgart, DE;
Michael Leistner, Stuttgart, DE;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 7/00 (2006.01); H04R 7/16 (2006.01);
U.S. Cl.
CPC ...
H04R 7/00 (2013.01); H04R 7/16 (2013.01); H04R 2207/00 (2013.01);
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.