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:
Feb. 23, 2021
Filed:
Nov. 29, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present invention provides a speaker, which includes a basket, a vibration system and a magnetic circuit system. The magnetic circuit system includes a magnetic frame, the magnetic frame and the basket define an accommodating space for accommodating the magnetic circuit system and the vibration system. The magnetic frame includes a magnetic frame bottom wall, a magnetic frame side wall extending from an outer side of the magnetic frame bottom wall towards the basket, and an extended portion extending from the magnetic frame side wall towards an outer side, the extended portion is provided with a plurality of protrusions formed by a semi-shearing process and protruding towards the basket, and an opening hole which is clamped and fixed with the protrusion is provided in a bottom wall of the basket. The speaker of the present disclosure has advantages of a stable structure size and suitability for accurate locating.