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. 02, 2024

Filed:

Jun. 14, 2022
Applicant:

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

Inventor:

Tao Shao, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 9/02 (2006.01); H04R 7/12 (2006.01); H04R 7/16 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01);
U.S. Cl.
CPC ...
H04R 9/025 (2013.01); H04R 7/127 (2013.01); H04R 7/16 (2013.01); H04R 9/045 (2013.01); H04R 9/06 (2013.01); H04R 2400/11 (2013.01);
Abstract

The present invention provides a coaxial speaker, which includes a frame, a vibration system and a magnetic circuit system. The magnetic circuit system includes a magnetic conduction assembly and a magnet assembly. The magnetic conduction assembly includes a first magnetic conduction plate, an inner side wall and an outer side wall, and a second magnetic conduction plate fixed on the side of the inner side wall. The magnet assembly includes a first magnet that forms a first magnetic gap and a second magnet that forms a second magnetic gap, a first vibration assembly and a second vibration assembly. The present invention is provided with high internal space integration, high magnetic circuit utilization, and meets the requirements of the full frequency domain.


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