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.:

US 8576495 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 05, 2013

Filed:

Mar. 23, 2012
Applicants:

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;

Inventors:

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;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/14 (2006.01);
U.S. Cl.
CPC ...
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.


Find Patent Forward Citations

Li, Zi-Yuan. (2013). Zoom lens and imaging device using same (U.S. Patent No. 8576495). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8576495

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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