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:
Jul. 21, 2026

Filed:

Jan. 25, 2024
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Kaoru Narita, Tokyo, JP;

Akira Satoh, Tokyo, JP;

Kaoru Kijima, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 17/00 (2006.01); H04R 1/02 (2006.01); H10N 30/20 (2023.01); H10N 30/87 (2023.01); H10N 30/88 (2023.01);
U.S. Cl.
CPC ...
H04R 17/00 (2013.01); H04R 1/025 (2013.01); H10N 30/20 (2023.02); H10N 30/875 (2023.02); H10N 30/88 (2023.02); H04R 2400/11 (2013.01);
Abstract

An acoustic device includes a piezoelectric element and a housing holding the piezoelectric element. The housing includes a vibrator having a main surface to which the piezoelectric element is bonded, and a frame body bonded to the main surface to surround the piezoelectric element. The frame body is disposed inward of an outer edge of the main surface when viewed in a direction perpendicular to the main surface.


Find Patent Forward Citations

Loading…