Title:
CAMERA ACTUATOR AND FOLDED ZOOM CAMERA MODULE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/260445
Kind Code:
A1
Abstract:
A camera actuator applied to a folded zoom camera module, and the folded zoom camera module comprising same are disclosed. The camera actuator according to the present invention comprises: a housing; a driving unit which is loaded in the housing, and which includes a vibration generator generating vibration from an input power source and a shaft vibrating in a first direction by means of the vibration generated by the vibration generator; an optical unit, which implements zoom and auto focusing while being driven in the first direction in the housing by means of the vibration of the shaft; and a frictional movement unit for connecting the shaft and the optical unit to transfer the first directional vibration of the shaft to the optical unit, wherein: a rebound suppression plate for suppressing the rebound of the vibration generator when the driving unit vibrates in the first direction is provided on a sidewall of the housing, which is vertical with respect to the axial line of the first direction; and a part of the end of the vibration generator opposite to the shaft is inserted into a binding groove of the sidewall having the rebound suppression plate, so as to be fixed thereto in a structure of close contact with the rebound suppression plate.
Inventors:
KIM HEE SEOUNG (KR)
LEE KYU MIN (KR)
LEE KYU MIN (KR)
Application Number:
PCT/KR2022/008113
Publication Date:
December 15, 2022
Filing Date:
June 09, 2022
Export Citation:
Assignee:
JAHWA ELECTRONICS CO LTD (KR)
International Classes:
G03B13/36; G03B3/00; G03B17/02; H01F7/02; H02N2/02
Foreign References:
| KR20080065968A | 2008-07-15 | |||
| JP2001178161A | 2001-06-29 | |||
| KR20170096949A | 2017-08-25 | |||
| KR20180137278A | 2018-12-27 | |||
| JP2000019376A | 2000-01-21 |
Attorney, Agent or Firm:
YOON, Byung Kuk et al. (KR)
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