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:
Apr. 23, 2024
Filed:
Mar. 05, 2021
Tdk Corporation, Tokyo, JP;
Akira Satoh, Tokyo, JP;
Kaoru Kijima, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
An acoustic deviceincludes a piezoelectric element and a housing. The housingincludes a main body portionand a rib portion. The main body portionincludes a vibrating portionand a plurality of support portions. The rib portionis connected to the main body portion. The rib portionextends in a third direction between a pair of the support portionsand) facing each other and separated from each other in the third direction intersecting a second direction, when viewed from the second direction along a vibrating surface. A hollow region V is defined by the vibrating portionand the plurality of support portions, The above opening Sis defined by the rib portionand the main body portionand communicates with the hollow region V. The rib portioncovers the middle of the hollow region V when viewed from the second direction.