Title:
ZOOM DRIVING ACTUATOR AND POSITION CONTROL METHOD FOR ZOOM DRIVING
Document Type and Number:
WIPO Patent Application WO/2022/065760
Kind Code:
A1
Abstract:
A zoom driving actuator according to the present invention comprises: a first carrier to which a first lens is mounted and which moves in an optical-axis direction; a second carrier to which a second lens is mounted and which moves in the optical-axis direction above or below the first carrier with respect to the optical-axis direction; a housing in which the first carrier and the second carrier are received; a first magnet which is mounted to the first carrier; a second magnet which is mounted to the second carrier; a first coil part which is provided in the housing and faces the first magnet; a second coil part which is provided in the housing and faces the second magnet; and balls which are disposed between the housing and the first carrier and between the housing and the second carrier, respectively.
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Inventors:
PARK CHUL SOON (KR)
KANG IN SU (KR)
YEON JE SEUNG (KR)
LEE BYUNG CHEOL (KR)
CHO HYEON IK (KR)
KANG IN SU (KR)
YEON JE SEUNG (KR)
LEE BYUNG CHEOL (KR)
CHO HYEON IK (KR)
Application Number:
PCT/KR2021/012257
Publication Date:
March 31, 2022
Filing Date:
September 09, 2021
Export Citation:
Assignee:
JAHWA ELECTRONICS CO LTD (KR)
International Classes:
G03B5/00; G03B17/02; H04N5/225
Foreign References:
| KR20200047275A | 2020-05-07 | |||
| KR20190128279A | 2019-11-18 | |||
| KR20150119759A | 2015-10-26 | |||
| KR20180012150A | 2018-02-05 | |||
| JP2005331399A | 2005-12-02 |
Attorney, Agent or Firm:
JEONG, Young Chan (KR)
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