CAMERA MODULE AND AUTO FOCUSING METHOD THEREOF

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:

KR20150097998A	2015-08-27
KR20150080710A	2015-07-10
KR20160020692A	2016-02-24
KR20130071000A	2013-06-28
US20100033616A1	2010-02-11