Title:
VOICE COIL MOTOR AND DRIVING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/060521
Kind Code:
A1
Abstract:
A voice coil motor (VCM) is disclosed, the VCM including: a stator including a magnet generating a first electromagnetic field; a mover including a bobbin formed with a hollow hole through which light passes and a coil formed on a periphery of the bobbin that generates a second electromagnetic field responsive to the first electromagnetic field; a base fixed at the stator and formed with an opening through which the light passes; and at least one elastic member elastically supporting the bobbin and forming a gap between the bobbin and the base when the coil is not applied with a current.
Inventors:
PARK SANGOK (KR)
Application Number:
PCT/KR2011/001141
Publication Date:
May 10, 2012
Filing Date:
February 22, 2011
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
PARK SANGOK (KR)
PARK SANGOK (KR)
International Classes:
H02K33/18; G02B7/04; H02P7/06
Foreign References:
| JP2009271204A | 2009-11-19 | |||
| KR20080076841A | 2008-08-20 | |||
| JP2008020668A | 2008-01-31 | |||
| KR20090032905A | 2009-04-01 | |||
| JP2009271204A | 2009-11-19 |
Other References:
See also references of EP 2636132A4
Attorney, Agent or Firm:
JIN, Cheon Woong et al. (Deuk-Young Bldg.,423-5 Dogok-dong, Gangnam-Gu, Seoul 135-855, KR)
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Claims: