Title:
LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2017/043884
Kind Code:
A1
Abstract:
An embodiment comprises: a housing; a bobbin for mounting a lens, the bobbin being accommodated inside the housing; a first coil disposed on an outer circumferential surface of the bobbin; a magnet disposed in the housing; and a second coil disposed in the housing, wherein the second coil comprises a third coil and a fourth coil, a first signal is applied to the first coil, a second signal is applied to the fourth coil, and an induction voltage is generated in the second coil by a mutual induction operation between the first coil and the second coil.
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Inventors:
PARK SANG OK (KR)
SON BYUNG WOOK (KR)
LEE SEONG MIN (KR)
LEE JUN TAEK (KR)
LEE KAP JIN (KR)
SON BYUNG WOOK (KR)
LEE SEONG MIN (KR)
LEE JUN TAEK (KR)
LEE KAP JIN (KR)
Application Number:
PCT/KR2016/010088
Publication Date:
March 16, 2017
Filing Date:
September 08, 2016
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
G02B7/02; G02B7/09; G02B27/64; G03B3/10; G03B5/00; H02K41/035; H04N5/232
Foreign References:
| KR20140107903A | 2014-09-05 | |||
| JP2005331399A | 2005-12-02 | |||
| JP2002341243A | 2002-11-27 | |||
| KR101080399B1 | 2011-11-04 | |||
| KR20130075682A | 2013-07-05 |
Attorney, Agent or Firm:
PARK, Young Bok et al. (KR)
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