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:
Apr. 01, 2025

Filed:

Dec. 30, 2022
Applicant:

Aac Technologies (Nanjing) Co., Ltd., Nanjing, CN;

Inventors:

Yao Hui, Shenzhen, CN;

Jiujian Liu, Shenzhen, CN;

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

A multifunctional sounding device is provided, including a housing, a sounding unit, and a motor assembly including a coil unit fixed to the housing. The sounding unit includes a basin frame, a vibration system and a magnetic circuit system, the vibration system is driven by the magnetic circuit system to vibrate in a first direction, the magnetic circuit system is elastically connected to the housing through elastic arms and has a through hole at a central position. The motor assembly is accommodated in the through hole, and the coil unit is spaced apart from the magnetic circuit system and drives the magnetic circuit system to vibrate in a second direction. The multifunctional sounding device has a small overall thickness and size, a strong driving force of the motor assembly and a small influence on the driving force of the magnetic circuit system, and excellent acoustic and vibration performance.


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