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:
Oct. 15, 2019
Filed:
Jul. 10, 2017
Aac Technologies Pte, Ltd., Singapore, SG;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
A vibration motor includes a housing, an electromagnetic driving device accommodated in the housing, a vibrator, and an elastic component elastically supporting the vibrator. The vibrator has a hollow portion penetrating through upper and lower surfaces of the vibrator in a direction perpendicular to vibrating direction, and the hollow portion is defined by a first inner wall along the vibrating direction and a second inner wall connected with the first inner wall, the electromagnetic driving device is in the hollow portion and fixed on the housing, a distance between the electromagnetic driving device and the second inner wall in vibrating direction is greater than the maximum amplitude of the vibrator, on the housing, a stopper is provided between the inner wall and the electromagnetic driving device. The present disclosure can bring the product reliability under premise of guaranteeing the driving force and the size.