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Patent Searching and Data


Title:
LENS DRIVE DEVICE, CAMERA MODULE, AND CAMERA-MOUNTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/103697
Kind Code:
A1
Abstract:
A lens drive device is provided with: an AF drive unit that has an AF coil unit disposed around a lens unit and an AF magnet unit disposed with an intervening space in the radial direction of the AF coil unit and automatically carries out focusing by moving an AF movable unit, which includes the AF coil unit, with respect to an AF fixed unit, which includes the AF magnet unit, in the direction of an optical axis, making use of drive force from a voice coil motor constituted of the AF coil unit and AF magnet unit; and a base unit disposed with an intervening space on the image formation side of the AF drive unit in the direction of the optical axis. The AF drive unit has elastic support units connecting the AF movable unit and the AF fixed unit. The AF movable unit is affixed to the AF fixed unit by being pressed upward to the light receiving side in the direction of the optical axis by the AF magnet unit and urged toward the image formation side in the direction of the optical axis by the elastic support units.

Inventors:
SUGAWARA MASAYOSHI
Application Number:
PCT/JP2015/006422
Publication Date:
June 30, 2016
Filing Date:
December 24, 2015
Export Citation:
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Assignee:
MITSUMI ELECTRIC CO LTD (JP)
SUGAWARA MASAYOSHI
International Classes:
G02B7/04; G03B5/00; H04N5/225; H04N5/232
Foreign References:
JP2013210550A2013-10-10
JP2013104967A2013-05-30
Other References:
See also references of EP 3239756A4
Attorney, Agent or Firm:
WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)
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