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:
Sep. 02, 2025
Filed:
May. 29, 2023
Aac Microtech (Changzhou) Co., Ltd., Jiangsu, CN;
Haijuan Yang, Changzhou, CN;
Shuwen Wu, Changzhou, CN;
AAC Microtech (Changzhou) Co., Ltd., Changzhou, CN;
Abstract
The present disclosure discloses a speaker box including a metal cover fixed between the frame and the magnetic circuit system; the metal cover includes a bottom wall set at a bottom of the speaker unit and a side wall extending from the bottom wall and set at a side of the speaker unit; the vibration system, the frame, the metal cover and the magnetic circuit system enclosing a internal space of the speaker unit; the bottom wall and/or the side wall are provided with leak structures formed by stamping communicating the internal space and the rear cavity, the leak structure comprising a bar-shaped through-hole and a bar-shaped bulge corresponding to the bar-shaped through-hole. The present disclosure provides a speaker box can be flexibly applied to a variety of complex shapes of the housing and can enhance the filling amount of sound-absorbing powder.