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:
May. 27, 2025

Filed:

Apr. 18, 2023
Applicant:

Aac Microtech (Changzhou) Co., Ltd., Changzhou, CN;

Inventors:

Zhang Ren, Shenzhen, CN;

Zhiwei Zhong, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 7/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); H04R 7/06 (2013.01);
Abstract

The present invention provides a sounding device. The sounding device includes a frame, a first vibration system having a first diaphragm and a first voice coil, a second vibration system, a magnetic circuit system with a first magnetic gap and a second magnetic gap, and an inner sounding cavity, a support ring, and an insertion member. Airflow generated by the vibration of the first diaphragm pushes the second diaphragm through the support ring. Compared with the related art, the sounding device of the present invention is convenient to improve the low frequency performance and has a better user experience effect.


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