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.

Date of Patent:
Jul. 28, 2026

Filed:

Aug. 27, 2024
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Andreas Winden, Reutlingen, DE;

Bernhard Gehl, Wannweil, DE;

Daniel Maier, Leonberg, DE;

Peter Engelhart, St. Johann, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B81B 3/00 (2006.01); H04R 19/00 (2006.01); H04R 19/02 (2006.01);
U.S. Cl.
CPC ...
B81B 3/004 (2013.01); H04R 19/005 (2013.01); H04R 19/02 (2013.01); B81B 2201/0257 (2013.01); B81B 2203/0127 (2013.01); B81B 2203/0163 (2013.01); B81B 2203/0315 (2013.01); B81B 2203/04 (2013.01); H04R 2201/003 (2013.01);
Abstract

A microelectromechanical loudspeaker. The loudspeaker includes a substrate, a housing arranged on the substrate, and a cavity delimited by the housing and the substrate. The loudspeaker includes a translation device, which is arranged in the cavity so as to be movable and deflectable in a specified movement direction parallel to the substrate surface and includes an arrangement of a plurality of movable fin structures, which are arranged next to one another in the movement direction and divide the cavity into a plurality of portions fluidically separated from one another, and a support structure connecting the movable fin structures to one another, and a drive device designed to deflect the translation device in the movement direction, including a plurality of drive units each including least one actuator electrode mechanically connected to the translation device and at least one stator electrode mechanically connected to the housing and/or the substrate.


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