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:
Mar. 29, 2022
Filed:
Dec. 02, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
Feng Tao, Shenzhen, CN;
Fanghua Ling, Shenzhen, CN;
Mengxun Shi, Shenzhen, CN;
Xiaofeng Pu, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present invention provides a linear vibration motor including a housing with a receiving space, a vibration unit placed in the receiving space, an elastic part suspending the vibration unit in the receiving space and a coil assembly fixed on the housing and driving the vibration of the vibration unit. The vibration unit includes a weight in which a pole plate is disposed for positioning a magnet. The pole plate includes a body part and a positioning protrusion extending from the body part. The magnet includes a positioning hole corresponding to the positioning protrusion. Compared with the related technology, the linear vibration motor of the invention has the advantages of simpler assembly, higher assembly precision and higher vibration reliability.