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:
Jul. 28, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
Xiaojiang Gu, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present invention discloses a speaker, including: a vibration system; a magnetic circuit system; a frame fixing the vibration system and the magnetic circuit system, and a front cover covering the frame. The frame includes a number of hot-melt posts and a number of step parts arranged abutting against the hot-melt posts. The front cover includes a number of positioning holes matching the hot-melt posts and a number of positioning grooves matching the step parts and hollowed at a side of the front cover adjacent to the frame. The positioning holes are received in the positioning grooves; the step parts are accommodated in the positioning grooves; and the hot-melt posts pass through the positioning holes.