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. 12, 2017
Filed:
Feb. 21, 2014
Applicant:
Harman International Industries, Incorporated, Stamford, CT (US);
Inventor:
Ulrich Horbach, Canyon Country, CA (US);
Assignee:
Harman International Industries, Incorporated, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 17/00 (2006.01); H04R 17/02 (2006.01);
U.S. Cl.
CPC ...
H04R 17/00 (2013.01); H04R 17/005 (2013.01); H04R 17/02 (2013.01); H04R 17/025 (2013.01); H04R 2217/00 (2013.01); H04R 2217/01 (2013.01); H04R 2217/03 (2013.01);
Abstract
Embodiments are disclosed for a loudspeaker driven by one or more piezoelectric actuators. In embodiments of the disclosure, a loudspeaker comprises a support structure, and a piezoelectric layered cantilever actuator affixed to the support structure via at least two grips. The support structure may also comprise a membrane suspended over the piezoelectric actuator, the membrane being in contact with the piezoelectric actuator between the at least two grips.