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Patent Searching and Data


Title:
LENS DRIVE DEVICE AND CAMERA MODULE
Document Type and Number:
WIPO Patent Application WO/2020/184184
Kind Code:
A1
Abstract:
A lens drive device (101) comprises: a first movable coil (3A) and a third movable coil (3C) respectively disposed on a first lateral surface (2A1) and a fifth lateral surface (2A5) of a lens holding member (2); a first magnet (5A) and a third magnet (5C) respectively disposed outward of, and apart from, the first movable coil (3A) and the third movable coil (3C); a second magnet (5B) and a fourth magnet (5D) disposed outward of, and apart from, a third lateral surface (2A3) and a seventh lateral surface (2A7) of the lens holding member (2); and a second fixed coil (9B) and a fourth fixed coil (9D) respectively disposed apart from the second magnet (5B) and the fourth magnet (5D) in an optical axis direction. The first magnet (5A) is configured such that an upper section (5AU) thereof that faces an upper section (3AU) of the first movable coil (3A) and a lower section (5AL) thereof that faces a lower section (3AL) of the first movable coil (3A), have different magnetic poles. The same applies to the third magnet (5C).

Inventors:
OSADA HIROSHI (JP)
INAGAKI YASUSHI (JP)
TANAKA TOSHIYUKI (JP)
SARUDATE AKIYOSHI (JP)
GOMYO HIDEYUKI (JP)
Application Number:
PCT/JP2020/007768
Publication Date:
September 17, 2020
Filing Date:
February 26, 2020
Export Citation:
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Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G03B5/00; G02B7/04; H04N5/225
Foreign References:
JP2016045485A2016-04-04
JP2016095514A2016-05-26
JP2011085666A2011-04-28
JP2016180836A2016-10-13
JP2014160195A2014-09-04
JP2017107209A2017-06-15
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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