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Title:
CAMERA MODULE AND AUTO FOCUSING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2017/196023
Kind Code:
A1
Abstract:
The present invention includes a fixed unit having a perforated hole formed therein, a movable unit including at least one lens, the movable unit configured to linearly move in the perforated hole of the fixed unit, a movable coil disposed on a surface of the movable unit, and a fixed coil disposed on a surface of the fixed unit, the fixed coil configured to receive from the movable coil an induced current or voltage according to a distance from the movable coil, wherein the movable coil receives a current or a voltage via a first wiring and a second wiring for moving the movable unit, and wherein the fixed coil outputs a current or a voltage via a third wiring and a fourth wiring based on the received induced current or voltage from the movable coil.

Inventors:
KANG HYUNGJOO (KR)
KWON SUNGDU (KR)
KWON YOUNGMAN (KR)
LEE JAYONG (KR)
Application Number:
PCT/KR2017/004720
Publication Date:
November 16, 2017
Filing Date:
May 04, 2017
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
G02B7/02; G03B3/10; G02B7/04
Foreign References:
KR20150097998A2015-08-27
KR20150080710A2015-07-10
KR20160020692A2016-02-24
KR20130071000A2013-06-28
US20100033616A12010-02-11
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
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