Title:
LENS DRIVE DEVICE
Document Type and Number:
Japanese Patent JP2018197834
Kind Code:
A
Abstract:
To provide a lens drive device capable of stabilizing a lens when driving the lens in an optical axis direction.SOLUTION: A lens drive device comprises: a voice coil motor for driving a lens barrel to move in an optical axis direction of the lens; a housing for accommodating the lens barrel; and a shaft which is inserted through an insertion hole formed in the lens barrel for guiding movement of the lens in the lens barrel in the optical axis direction. The voice coil motor has a magnet on either one of the housing or the lens barrel and a coil and a yoke on the other one. The yoke is disposed so that the lens barrel is pressed on the shaft constituting a guide part by means of magnetic force attracting the yoke to magnet.SELECTED DRAWING: Figure 8
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Inventors:
MATSUSHIMA TOSHIHARU
SHIODA YUTAKA
FUJII TAKESHI
SHIODA YUTAKA
FUJII TAKESHI
Application Number:
JP2017103315A
Publication Date:
December 13, 2018
Filing Date:
May 25, 2017
Export Citation:
Assignee:
CM TECH CO LTD
International Classes:
G02B7/04; G02B7/08
Attorney, Agent or Firm:
Baba Shiba
Karakama Mutsumi
Karakama Mutsumi