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. 14, 2014
Filed:
Jul. 20, 2012
An Soo Yoon, Gyunggi-do, KR;
An Soo Yoon, Gyunggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Gyunggi-Do, KR;
Abstract
Disclosed herein is a linear vibration motor including: a stator part including a coil, a printed circuit board coupled to the coil, a bracket having the printed circuit board fixedly coupled thereto, and a case having an internal space formed therein and coupled to the bracket; and a vibrator part including a main magnet positioned to face the coil, a yoke coupled to the magnet, a weight body coupled to an outer peripheral surface of the yoke, and an elastic member having one end coupled to the case and the other end coupled to the yoke, wherein the stator part further includes sub-magnets, which are magnetic damping units, the sub-magnets being disposed to face the main magnet of the vibrator part and being mounted in the stator part so that surfaces thereof facing the main magnet have the same polarities as those of the main magnet.