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:
Sep. 02, 2025

Filed:

Nov. 28, 2023
Applicant:

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

Inventors:

Zhaoyu Yin, Changzhou, CN;

Ke Li, Changzhou, CN;

Wei Wei, Changzhou, CN;

Zhizhu Chen, Changzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/06 (2006.01); H04R 1/02 (2006.01); H04R 7/04 (2006.01); H04R 7/18 (2006.01); H04R 9/02 (2006.01);
U.S. Cl.
CPC ...
H04R 9/06 (2013.01); H04R 1/025 (2013.01); H04R 7/04 (2013.01); H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 2400/11 (2013.01);
Abstract

The present disclosure discloses a speaker comprising a frame, a vibration system, a magnetic circuit system, and a flexible circuit board; the magnetic circuit system comprising a lower clamping plate and a main magnet; the lower clamping plate comprising a lower clamping body, four rectangular through-holes and four first flanges; a portion of the lower clamping body located on the side of the rectangular through-hole away from the main magnet is square to and fixed to the frame and abuts against the flexible circuit board; the speaker further comprising four breathable isolators fixed to the lower clamping body and covering each of the rectangular through-holes. The speaker can be used in an environment with an open cavity in the sound producing cavity, with good leakage effect, low cost and excellent acoustic performance.


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