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. 11, 2014
Filed:
May. 09, 2012
Kokichi Terajima, Tokyo, JP;
Kokichi Terajima, Tokyo, JP;
Micro Win Tech Inc., Tokyo, JP;
Largan Precision Co., Ltd., Taichung, TW;
Other;
Xinhongzhou Precision Technology Co., Ltd, Xiamen, CN;
Abstract
This invention provides an electromagnetically driven device applicable to a lens driving device with an anti-shake function by a simple structure that enables the movable member to swing around an axis thereof. A flat spring for swinging connects to a stationary frame body provided with a permanent magnet set and a coil set for swinging is mounted on an outer circumference of a movable frame body. When an axial direction of the movable frame body is designated as the Z axis, the coil set for swinging including a first through fourth coils arranged around the Z axis and spaced at uniform intervals with each winding around an axis perpendicular to the Z axis and opposite to the permanent magnet set respectively. The permanent magnet set includes a first through fourth magnets, wherein each magnet is arranged between two adjacent coils among the first through fourth coils.