Title:
振れ補正機能付き光学ユニット
Document Type and Number:
Japanese Patent JP6883468
Kind Code:
B2
Abstract:
An optical unit with a shake correction function include a movable body having an optical element, a swing support mechanism swingably supporting the movable body between a reference posture and a tilted posture, a fixed body supporting the movable body through the swing support mechanism, a magnetic swing drive mechanism structured to swing the movable body, and a posture return mechanism structured to return the movable body to the reference posture. The magnetic swing drive mechanism includes a coil and a magnet, the magnet is polarized and magnetized to have different magnetic poles in an axial line direction, the posture return mechanism includes the magnet and a magnetic member attached to a side to which the coil is fixed, and a center of the magnetic member is overlapped with a magnetizing polarized line of the magnet when the movable body in the reference posture is viewed in a radial direction.
Inventors:
Shinji Minamizawa
Application Number:
JP2017092235A
Publication Date:
June 09, 2021
Filing Date:
May 08, 2017
Export Citation:
Assignee:
Nidec Sankyo Co., Ltd.
International Classes:
G03B5/00
Domestic Patent References:
| JP2017016113A | ||||
| JP2009025481A | ||||
| JP2013156432A |
Foreign References:
| WO2012004994A1 |
Attorney, Agent or Firm:
Toru Kawai
Shin Kodaira
Kawaguchi Nobuko
Shin Kodaira
Kawaguchi Nobuko