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, 2020
Filed:
Jul. 29, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present disclosure provides a speaker box which includes a shell, a speaker, an acoustic guiding channel, an auxiliary acoustic cavity, a baffle and a cover plate. The diaphragm of the speaker separates the receiving space into a front acoustic cavity and a rear cavity, the acoustic channel communicates the front acoustic cavity with the outside to form a front cavity. The auxiliary acoustic cavity is provided with a first through-hole in communication with the front cavity and a second through-hole in communication with the outside, and the baffle completely covers the first through-hole. The baffle is provided with a channel penetrating therethrough, and the auxiliary acoustic cavity is in communication with the front cavity through the channel. The cover plate completely covers the second through-hole and forms a fixed. Compared with the related art, the high-frequency acoustic performance of the speaker box of the present disclosure is excellent.