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. 21, 2023
Filed:
Dec. 03, 2019
Applicant:
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v., Munich, DE;
Inventors:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 17/00 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 9/063 (2013.01); H04R 9/025 (2013.01); H04R 17/00 (2013.01); H04R 2201/003 (2013.01); H04R 2217/01 (2013.01);
Abstract
A MEMS sound transducer includes a substrate, a membrane formed within the substrate, and a bending actuator applied onto the membrane. The membrane includes at least one integrated permanent magnet and is electrodynamically controllable. The bending actuator can be piezoelectrically controlled separately from the membrane.