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:
Dec. 17, 2019
Filed:
Dec. 27, 2017
Tdk Taiwan Corp., Yangmei, Taoyuan County, TW;
Chao-Chang Hu, Yangmei, TW;
Shu-Shan Chen, Yangmei, TW;
Cheng-Kai Yu, Yangmei, TW;
Bing-Ru Song, Yangmei, TW;
TDK TAIWAN CORP., Yangmei, Taoyuan County, TW;
Abstract
A lens driving apparatus with a closed-loop anti-shake structure, including: a lens holder including a coil; a frame including a plurality of magnets and receiving the lens holder; a driving circuit board disposed under the frame; a plurality of first set of elastic bodies configured such that the lens holder remains movable in a direction of a first axis with respect to the frame; a plurality of second set of elastic bodies configured such that the frame remains movable in a direction perpendicular to the first axis with respect to the driving circuit board; and a first optical module and a first optical reference respectively disposed at the driving circuit board and the lens holder, the first optical module sensing a relative movement of the first optical reference so as to sense a movement of the lens holder in the direction of the first axis.