Title:
ボイスコイルモーター
Document Type and Number:
Japanese Patent JP6923616
Kind Code:
B2
Abstract:
A VCM is disclosed, the VCM including a bobbin formed with a coil at an outer surface thereof; at least one permanent magnet facing the coil formed at the bobbin; a cylindrical yoke encompassing the bobbin and the permanent magnet and including a metal member for blocking a magnetic field generated by the coil; a base coupled to the yoke; and an elastic member including a first elastic member interposed between the yoke and the permanent magnet for elastically supporting the bobbin and a second elastic member interposed between the base and the permanent magnet.
Inventors:
Park Sunok
Lee Song Min
Lee Song Min
Application Number:
JP2019186907A
Publication Date:
August 25, 2021
Filing Date:
October 10, 2019
Export Citation:
Assignee:
LG Innotek Co., Ltd
International Classes:
H02K33/18; G02B7/04
Domestic Patent References:
| JP2009053573A | ||||
| JP2009271204A | ||||
| JP2009118722A |
Foreign References:
| US20090268311 | ||||
| CN201107449Y |
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mitsuhashi
Akira Kawai
Tomohiro Minamiyama
Shinji Mitsuhashi
Akira Kawai
Tomohiro Minamiyama