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.

Date of Patent:
Oct. 03, 2023

Filed:

Jun. 03, 2021
Applicant:

Lanto Electronic Limited, Kunshan, CN;

Inventors:

Fuyuan Wu, Kunshan, CN;

Yaobang Guo, Kunshan, CN;

Shengwen Sun, Kunshan, CN;

Bingbing Ma, Kunshan, CN;

Jie Du, Kunshan, CN;

Shangyu Hsu, Kunshan, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/04 (2021.01); G03B 5/02 (2021.01); G03B 13/34 (2021.01); H02K 41/035 (2006.01);
U.S. Cl.
CPC ...
G02B 7/04 (2013.01); G03B 5/02 (2013.01); G03B 13/34 (2013.01); H02K 41/0356 (2013.01); G03B 2205/0046 (2013.01); G03B 2205/0069 (2013.01);
Abstract

Provided is a voice coil motor including a housing assembly, a base assembly, a zoom lens holder, a first electromagnetic drive assembly, a focusing lens holder and a second electromagnetic drive assembly. The zoom lens holder and the focusing lens holder are disposed in an accommodation space formed by the housing assembly and the base assembly. The first electromagnetic drive assembly is configured to drive the zoom lens holder to move in a front-back direction and includes a first magnetic steel portion and a first coil disposed opposite to the first magnetic steel portion. The second electromagnetic drive assembly is configured to drive the focusing lens holder to move in the front-back direction and includes a second magnetic steel portion and a second coil disposed opposite to the second magnetic steel portion.


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