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:
Aug. 02, 2022
Filed:
Dec. 05, 2019
Applicant:
Aac Technologies Pte. Ltd., Singapore, SG;
Inventor:
Dijiang Tong, Shenzhen, CN;
Assignee:
AAC Technologies Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/02 (2006.01); H04R 1/02 (2006.01);
U.S. Cl.
CPC ...
H04R 7/02 (2013.01); H04R 1/026 (2013.01);
Abstract
The present invention provides a sound device, which includes a housing and a sound unit with a diaphragm. The housing includes a cover plate and a bottom plate, the cover plate and the bottom plate are matched to form an accommodating cavity, and the sound unit is fixedly placed in the accommodating cavity. The bottom plate includes a main plate and a steel sheet embedded in the main plate, the main plate is provided with a first opening, the steel sheet is fixedly connected with the main plate and covers the first opening, and one side of the sound unit away from the diaphragm is welded and fixed with the steel sheet.