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Title:
LENS DRIVING DEVICE, CAMERA MODULE, AND CAMERA-EQUIPPED DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/100646
Kind Code:
A1
Abstract:
This lens driving device comprises an autofocus (AF) driving unit which uses a driving force from a VCM, and a shake correction driving unit which uses a driving force from the VCM, wherein a shake correction support member is formed of a pair of power supply suspension wires and a pair of signal suspension wires, and couples a shake correction fixation unit and an AF fixation unit. While an AF movable unit includes a position detecting magnet, the AF fixation unit includes an AF power source line, a signal line, a coil power source line, and an AF control unit. The AF control unit includes a hole element which detects the position, in the optical axis, of the AF movable unit, a coil control unit which controls current passing through an AF coil part, and an AF circuit board on which the hole element and the coil control unit are mounted. As a result of contact between a lens holder and a base which has rigidity higher than that of a coil substrate, movement of the AF movable unit toward a formed image in the optical axis is restricted.

Inventors:
MURAKAMI TOMOYUKI
SATO KEIICHI
Application Number:
PCT/JP2016/085422
Publication Date:
June 07, 2018
Filing Date:
November 29, 2016
Export Citation:
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Assignee:
MITSUMI ELECTRIC CO LTD (JP)
MURAKAMI TOMOYUKI
SATO KEIICHI
International Classes:
G03B5/00; G02B7/04; H04N5/225
Domestic Patent References:
WO2009133690A12009-11-05
WO2016199776A12016-12-15
Foreign References:
JP2016126118A2016-07-11
JP2013031136A2013-02-07
JP2013057973A2013-03-28
JP2009294393A2009-12-17
Attorney, Agent or Firm:
WASHIDA, Kimihito (JP)
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