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:
Jul. 27, 2021
Filed:
Dec. 17, 2019
Applicant:
Denso Ten Limited, Kobe, JP;
Inventors:
Shinichi Ikeda, Kobe, JP;
Shizuka Ishigaki, Kobe, JP;
Assignee:
DENSO TEN Limited, Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/28 (2006.01); H04R 17/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2834 (2013.01); H04R 1/2857 (2013.01); H04R 17/00 (2013.01);
Abstract
A speaker device in an embodiment includes a panel and an actuator. The actuator is provided on the panel. The actuator includes a diaphragm, a piezoelectric element, and a vibration transmission portion. The piezoelectric element is provided on at least one of principal surfaces of the diaphragm. The vibration transmission portion is provided on the diaphragm and abuts the panel without making contact with the piezoelectric element.