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. 02, 2025
Filed:
Mar. 15, 2023
Denso Ten Limited, Hyogo, JP;
Kazuki Matsui, Kobe, JP;
DENSO TEN Limited, Kobe, JP;
Abstract
A panel speaker includes: a single vibration panel formed by adhering one surface of a first panel and one surface of a second panel; a first vibration actuator configured to drive and vibrate the single vibration panel; and a second vibration actuator configured to drive and vibrate the single vibration panel, the single vibration panel has, in a plan view, a first non-adhesive region and a second non-adhesive region in both of which the first panel and the second panel are not bonded to each other, and the first vibration actuator is coupled to other surface of the second panel to drive the first non-adhesive region, and the second vibration actuator is coupled to the other surface of the second panel to drive the second non-adhesive region.