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:
Jun. 13, 2017
Filed:
Jun. 17, 2015
Applicant:
Robert Bosch Gmbh, Stuttgart, DE;
Inventors:
Zhijun Guo, Pittsburgh, PA (US);
Andrew J. Doller, Sharpsburg, PA (US);
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 31/00 (2006.01); B81B 3/00 (2006.01); H04R 7/20 (2006.01); H04R 7/26 (2006.01); H04R 19/00 (2006.01); H04R 19/04 (2006.01);
U.S. Cl.
CPC ...
H04R 31/003 (2013.01); B81B 3/0051 (2013.01); H04R 7/20 (2013.01); H04R 7/26 (2013.01); H04R 19/005 (2013.01); H04R 19/04 (2013.01); H04R 31/00 (2013.01); B81B 2201/0257 (2013.01); H04R 2231/003 (2013.01);
Abstract
A MEMS microphone including a plurality of overtravel stops (OTS) connected to a perimeter of a membrane of the MEMS microphone. The OTS are released from a backplate layer during manufacturing and are configured to contact the backplate to restrict movement of the OTS and thus restrict movement of the membrane of the MEMS microphone. Embodiments of the invention provide, in particular, an overtravel stop that limits movement of the membrane in a radial direction.