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:
Dec. 10, 2019
Filed:
Jan. 26, 2018
Applicant:
Sivantos Pte. Ltd, Singapore, SG;
Inventors:
Marco Steffen, Hiddenhausen, DE;
Thomas Naether, Lemgo, DE;
Assignee:
Sivantos Pte. Ltd., Singapore, SG;
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 19/00 (2006.01); H04R 19/04 (2006.01);
U.S. Cl.
CPC ...
H04R 25/604 (2013.01); H04R 25/602 (2013.01); H04R 19/005 (2013.01); H04R 19/04 (2013.01); H04R 2201/02 (2013.01);
Abstract
A microphone unit includes a housing having a first main surface and a second main surface disposed opposite each other. The housing surrounds an inner chamber which includes a resonance chamber. The first main surface includes a concave indentation facing toward the inner chamber. A hearing aid, including a substantially cylindrical battery and a microphone unit is also provided.