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:
Apr. 13, 2021
Filed:
Dec. 04, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
Yang Shi, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present invention provides a speaker box, which includes a housing with an accommodating space and a sound unit accommodated in the housing. The sound unit divides the accommodating space into a front cavity and a rear cavity. The housing is provided with a sound hole, the front cavity is communicated with the sound hole, the housing is provided with a baffle wall corresponding to the rear cavity, an air-permeable isolating member corresponding to the baffle wall is provided in the rear cavity, the baffle wall is matched with the air-permeable isolating member to separate a part from the rear cavity to form an independent cavity, and a sound absorbing material is filled in the independent cavity. The air-permeable isolating member is provided with a protrusion portion extending outwardly towards a direction away from the independent cavity.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile