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:
Feb. 20, 2018
Filed:
Oct. 31, 2014
Applicant:
Sennheiser Electronic Gmbh & Co. KG, Wedemark, DE;
Inventors:
Elmar Stein (né Schulze), Hannover, DE;
André Grandt, Wedemark, DE;
Assignee:
Sennheiser electronic GmbH & Co. KG, Wedemark, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/10 (2006.01); H04R 7/04 (2006.01); H04R 3/14 (2006.01); H04R 9/06 (2006.01); H04R 23/02 (2006.01); H04R 9/00 (2006.01); H04R 17/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/1075 (2013.01); H04R 1/1008 (2013.01); H04R 3/14 (2013.01); H04R 7/04 (2013.01); H04R 9/06 (2013.01); H04R 17/005 (2013.01); H04R 23/02 (2013.01); H04R 9/00 (2013.01); H04R 17/00 (2013.01);
Abstract
A headphone device comprising a surrounding ear pad and a sound generator which has a substantially rigid plate and a drive system for converting electrical signals into mechanical oscillations of the plate.