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:
Nov. 05, 2013
Filed:
Mar. 23, 2012
Zi-yuan LI, Guangdong, CN;
Jun-jie LI, Guangdong, CN;
Jian-jun Zhang, Guangdong, CN;
Li-hui He, Guangdong, CN;
Quan-long Tang, Guangdong, CN;
Xiao-tian Kang, Guangdong, CN;
Zi-Yuan Li, Guangdong, CN;
Jun-Jie Li, Guangdong, CN;
Jian-Jun Zhang, Guangdong, CN;
Li-Hui He, Guangdong, CN;
Quan-Long Tang, Guangdong, CN;
Xiao-Tian Kang, Guangdong, CN;
Premier Image Technology (China) Ltd., Foshan, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
Abstract
A zoom lens includes a first lens unit, a second lens unit, a third lens unit and a fourth lens unit. The third lens unit includes a movable barrel, a first slidable member able to move in a first direction perpendicular to the optical axis, and a second slidable member able to move along a second direction perpendicular to the optical axis and also perpendicular to the first direction. The movable barrel includes a first Hall member and a first coil, the first slidable member comprises a second Hall member and a second coil. A first magnet is aligned with the first coil, and a second magnet is aligned with the second coil, both coils can be independently energized to compensate any shaking movements experienced by the Hall members.