Title:
Lens drive
Document Type and Number:
Japanese Patent JP5905275
Kind Code:
B2
Abstract:
A lens driving device includes a base member, a movable member that is disposed at the base member and moves in a plane that is orthogonal to an optical axis, a first driving portion that moves the movable member in a direction that is orthogonal to the optical axis in accordance with image shake, a lens frame that is mounted to the movable member and moves in a direction of the optical axis, a second driving portion that moves the lens frame in the direction of the optical axis and includes a first magnet that is secured to the movable member and a first coil that is secured to the lens frame, and a Hall element that is disposed so as to oppose the first magnet in the direction of the optical axis and detects a change in a magnetic field of the first magnet.
Inventors:
Takuya Machida
Kazuo Sakuma
Haruhiko Bandai
Yusuke Ehara
Nobuaki Watanabe
Kazuo Sakuma
Haruhiko Bandai
Yusuke Ehara
Nobuaki Watanabe
Application Number:
JP2012016827A
Publication Date:
April 20, 2016
Filing Date:
January 30, 2012
Export Citation:
Assignee:
Nidec Copal Corporation
International Classes:
G03B5/00; G02B7/04
Domestic Patent References:
| JP2011065140A | ||||
| JP2011085666A | ||||
| JP2011247909A | ||||
| JP2011138027A |
Foreign References:
| US20120154614 | ||||
| US20110286732 |
Attorney, Agent or Firm:
Eichi International Patent Office