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. 21, 2017
Filed:
Apr. 11, 2014
Leping Dong, Shenzhen, CN;
Shi Zhou, Shenzhen, CN;
Leping Dong, Shenzhen, CN;
Shi Zhou, Shenzhen, CN;
AAC Acoustic Technologies (Shenzhen) Co., Ltd., Shenzhen, CN;
Abstract
A lens holder driving apparatus is disclosed. The lens holder driving apparatus includes a housing, an auto-focusing lens holder driving portion and a fixed portion. The auto-focusing lens holder driving portion includes an octagonal lens holder with a focusing coil, a positioning magnet mounted on the lens holder, a magnet holder with a magnet group including a bracket having a sidewall, a pillar projecting at the four corners of the sidewall of the bracket, and a first notch disposed at the pillar face to the focusing coil. The fixed portion includes a base having a sidewall, a FPC mounted on the sidewall of the base and a Hall element electrically connecting with the FPC inserted into the first notch for detecting the position of the positioning magnet so as to adjust the position of the lens holder.