Title:
CAMERA ACTUATOR AND FOLDED ZOOM CAMERA MODULE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2022/071663
Kind Code:
A1
Abstract:
Disclosed are a camera actuator for implementing auto focusing control and zoom functions and a folded zoom camera module including same. The camera actuator according to the present invention comprises: a housing; a driving unit comprising a vibration shaft mounted on the housing and extending in a first direction and a vibration generator that applies vibration to the vibration shaft in the first direction; a movable part provided in correspondence to the driving unit and moving in the first direction in the housing by a driving force generated by the driving unit; a friction moving part moving in the first direction on the vibration shaft; and a connecting part interconnecting the friction moving part and the movable part which correspond to each other, wherein the connecting part comprises a protrusion or a recess formed on a side surface of the friction moving part, which faces the movable part, and a recess or a protrusion formed on a side surface of the movable part so as to engage with the protrusion or the recess.
Inventors:
SHIN DOO SIK (KR)
KIM IN SOO (KR)
KIM HEE SEUNG (KR)
LEE KYU MIN (KR)
KIM IN SOO (KR)
KIM HEE SEUNG (KR)
LEE KYU MIN (KR)
Application Number:
PCT/KR2021/011248
Publication Date:
April 07, 2022
Filing Date:
August 24, 2021
Export Citation:
Assignee:
JAHWA ELECTRONICS CO LTD (KR)
International Classes:
G03B13/36; G03B17/17; H04N5/225
Foreign References:
| KR20180137278A | 2018-12-27 | |||
| JP2000019375A | 2000-01-21 | |||
| KR20180128675A | 2018-12-04 | |||
| JP3410250B2 | 2003-05-26 | |||
| KR20080065968A | 2008-07-15 | |||
| KR20130141294A | 2013-12-26 |
Attorney, Agent or Firm:
YOON, Byong Kuk et al. (KR)
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