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:
Sep. 10, 2024

Filed:

Jun. 22, 2023
Applicant:

Denso Ten Limited, Kobe, JP;

Inventors:

Shizuka Ishigaki, Kobe, JP;

Hironori Shiroto, Kobe, JP;

Yutaka Matsunami, Kobe, JP;

Assignee:

DENSO TEN Limited, Kobe, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H04R 1/22 (2006.01); H04R 7/04 (2006.01); H04R 17/10 (2006.01);
U.S. Cl.
CPC ...
H04R 7/045 (2013.01); H04R 1/22 (2013.01); H04R 3/007 (2013.01); H04R 17/10 (2013.01); H04R 2440/05 (2013.01);
Abstract

A panel-type speaker includes a panel and an actuator and is configured to vibrate the panel by the actuator so as to output sound waves from the panel, the actuator includes: a vibrating plate; and a piezoelectric element arranged on at least one surface of the vibrating plate, the piezoelectric element has, at a central portion of the piezoelectric element in a plan view, an opening from which the vibrating plate is exposed, and at a portion of the vibrating plate exposed from the opening, the vibrating plate is coupled to the panel.


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