Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LENS HOLDER DRIVE DEVICE, CAMERA MODULE, AND PORTABLE TERMINAL PROVIDED WITH CAMERA
Document Type and Number:
WIPO Patent Application WO/2015/020000
Kind Code:
A1
Abstract:
Provided is a lens holder drive device (10) that can suppress defects resulting from dust. The lens holder drive device (10) includes: an AF unit (20) containing a permanent magnet (28); and a vibration correction unit that corrects vibrations by moving the AF unit (20) with respect to a stationary section (13). The vibration correction unit includes: a support member (16) that supports the AF unit (20) in an oscillatable manner; and a vibration correction coil (18) disposed on the stationary section (13) opposing the permanent magnet (28). The stationary section (13) includes: a coil substrate (40) at which is formed the vibration correction coil (18) and that holds an inner peripheral wall (40c) that delimits a circular opening (40c); and a dust generation prevention member (47) that covers at least the inner peripheral wall (40c) of the coil substrate (40) and that prevents the inner peripheral wall (40c) of the coil substrate (40) from being scraped and causing the generation of dust.

Inventors:
HAYASHI ICHIRO (JP)
Application Number:
PCT/JP2014/070488
Publication Date:
February 12, 2015
Filing Date:
August 04, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
International Classes:
G03B5/00; G02B7/02; G02B7/04; H04N5/225; H04N5/232
Foreign References:
JP2013024938A2013-02-04
JP2011039485A2011-02-24
JP2013092578A2013-05-16
JP2013079998A2013-05-02
JP2013249388A2013-12-12
Other References:
See also references of EP 3032327A4
Attorney, Agent or Firm:
IKEDA, Noriyasu et al. (JP)
Noriyasu Ikeda (JP)
Download PDF: