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. 01, 2026
Filed:
Dec. 29, 2023
Aac Technologies (Nanjing) Co., Ltd., Nanjing, CN;
AAG Technologies (Nanjing) Co., Ltd., Nanjing, CN;
Abstract
A speaker box and an electronic device are provided. The speaker box includes a housing, a speaker unit, and a sound-absorbing foam sheet. The housing includes an accommodating space. The speaker unit is accommodated in the accommodating space. The speaker unit is enclosed with the housing to define a rear cavity. The sound-absorbing foam sheet is adhered to an inner wall of the rear cavity. The sound-absorbing foam sheet includes a foam block and sound-absorbing powders adhered in the foam block. Through the sound-absorbing foam sheet, resonant frequency of the speaker box is effectively reduced, acoustic performance of the speaker box is improved, a structure of the speaker box is stable, and a preparation of the speaker box is simple.