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:
Sep. 17, 2019
Filed:
Mar. 03, 2014
Applicant:
Epcos Ag, München, DE;
Inventors:
Jan Tue Ravnkilde, Hedehusene, DK;
Dennis Mortensen, Frederiksberg C, DK;
Morten Ginnerup, Kgs. Lyngby, DK;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 19/04 (2006.01); B06B 1/02 (2006.01); B81B 3/00 (2006.01); H04R 7/16 (2006.01); H04R 19/00 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); B06B 1/0292 (2013.01); B81B 3/0072 (2013.01); H04R 7/16 (2013.01); H04R 19/005 (2013.01); B81B 2201/0257 (2013.01); B81B 2203/0127 (2013.01); H04R 2201/003 (2013.01);
Abstract
A non-uniform stress distribution of a MEMS microphone having a non-circular shape is compensated by a structured back plate that has a compensating structure to provide a stress distribution opposite to that of the membrane.
Ravnkilde, Jan. (2019). Condenser microphone with non-circular membrane (U.S. Patent No. 10419858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10419858
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile