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Patent Searching and Data


Title:
ACTUATOR, LENS UNIT EQUIPPED WITH SAME, AND CAMERA
Document Type and Number:
WIPO Patent Application WO/2019/097844
Kind Code:
A1
Abstract:
The present invention provides an actuator (10) for correcting image shake that is characterized by comprising a fixed part (12), a moving part (14) with an image shake correction lens (16) attached thereto, a moving part support means (18) for supporting the moving part, three or more driving coil assemblies (20, 21, 22) arranged around the optical axis of the moving part, and three or more driving magnet assemblies (23, 24, 25) provided on the fixed part so as to face the respective driving coil assemblies, and in that: each driving coil assembly is constituted by three or more mutually adjacent coils; and the center points of the coils arranged at both ends are located closer to the optical axis than a straight line that passes through the center point of the coil arranged at the central position and is tangent to the circle centered at the optical axis.

Inventors:
AKUTSU TOSHINORI (JP)
Application Number:
PCT/JP2018/035386
Publication Date:
May 23, 2019
Filing Date:
September 25, 2018
Export Citation:
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Assignee:
TAMRON KK (JP)
International Classes:
G03B5/00
Foreign References:
JP2008233525A2008-10-02
JP2015138054A2015-07-30
JP2012215605A2012-11-08
JP2013238764A2013-11-28
JPH10203626A1998-08-04
JP2016170339A2016-09-23
US20100260492A12010-10-14
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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