Title:
SLIM-TYPE ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2022/197056
Kind Code:
A1
Abstract:
A slim-type actuator according to one embodiment of the present invention comprises: a first carrier; a second carrier moving, with respect to the first carrier, in a first direction that is vertical to an optical axis or in a second direction vertical to both the optical axis and the first direction; a support means for physically providing support between the first and second carriers; first and second magnets provided in the second carrier and provided in the orthogonal direction with respect to each other; n (n is a natural number of 2 or greater) number of first coils facing the first magnet; m (m is a natural number of 1 or greater) number of second coils facing the second magnet; k (k is a natural number of 2 or greater) number of first hall sensors, which face the first magnet and are positioned at different locations; and a driving driver for differentially controlling the power supplied to each of the n number of first coils according to differences in electric signals inputted from each of the k number of first hall sensors.
Inventors:
LEE BYUNG CHEOL (KR)
KIM DOK HYUN (KR)
LEE HWAN HWI (KR)
KIM DOK HYUN (KR)
LEE HWAN HWI (KR)
Application Number:
PCT/KR2022/003567
Publication Date:
September 22, 2022
Filing Date:
March 15, 2022
Export Citation:
Assignee:
JAHWA ELECTRONICS CO LTD (KR)
International Classes:
H02K33/18; G03B3/00; G03B5/00; H02K11/30; H02K41/03; H04N5/225; H04N5/232
Foreign References:
| KR20190061439A | 2019-06-05 | |||
| JP5963596B2 | 2016-08-03 | |||
| KR20190063716A | 2019-06-10 | |||
| KR20160005956A | 2016-01-18 | |||
| KR20200102236A | 2020-08-31 |
Attorney, Agent or Firm:
JEONG, Young Chan (KR)
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