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:
Oct. 27, 2020
Filed:
Dec. 29, 2018
Aac Technologies Pte. Ltd., Singapore, SG;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present disclosure relates to a speaker box. The speaker box includes a housing having a top wall, and a sounding unit accommodated in the housing. The sounding unit includes a diaphragm, which together with the top wall are disposed with a spacing therebetween to form a front acoustic cavity. The speaker box further includes a sound guiding channel. The front acoustic cavity and the sound guiding channel together constitute a front chamber of the speaker box. At least two first through-holes disposed with a spacing therebetween are provided in a region of the top wall corresponding to the front chamber. The speaker box further includes a cover plate provided on the top wall. The cover plate includes hard sheets covering the first through-holes and a soft rubber fixing portion, which surrounds and spaces the hard sheets from the top wall, and is fixedly connected with the top wall.