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Patent Searching and Data


Title:
LENS DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/175505
Kind Code:
A1
Abstract:
[Problem] To provide a lens drive device including a plurality of lens holding members and capable of facilitating design while allowing miniaturization. [Solution] An embodiment of the lens drive device according to the present invention comprises: a first lens holding member (31); a second lens holding member (32) arranged side by side with the first lens holding member along a prescribed direction; a first drive unit (30A) for driving the first lens holding member; a second drive unit (30B) for driving the second lens holding member. The first drive unit includes a first coil (33) provided on the first lens holding member and a magnet facing the first coil, and the second drive unit includes a second coil (34) provided on the second lens holding member and a magnet facing the second coil. A combined magnet (43) is arranged between the first coil and the second coil. The combined magnet has mutually different magnetic poles on the first coil side and the second coil side, and not only serves as a magnet for the first drive unit but also serves as a magnet for the second drive unit.

Inventors:
TANAKA TOSHIYUKI (JP)
KATO AKIHIKO (JP)
KIKUCHI ISAMU (JP)
OSADA HIROSHI (JP)
Application Number:
PCT/JP2017/006794
Publication Date:
October 12, 2017
Filing Date:
February 23, 2017
Export Citation:
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Assignee:
ALPS ELECTRIC CO LTD (JP)
International Classes:
G02B7/04; G03B35/08; H04N5/225
Domestic Patent References:
WO2015178083A12015-11-26
Foreign References:
US20150316744A12015-11-05
Attorney, Agent or Firm:
NOZAKI, Teruo (JP)
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