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公开(公告)号：US20190196139A1
公开(公告)日：2019-06-27
申请号：US16171899
申请日：2018-10-26
发明人： Hong Joo LEE , Jung Woo KIM , Suk Young OH , Young Bok YOON , Dong Yeon SHIN
CPC分类号： G02B7/102 , H04N5/2252 , H04N5/2254
摘要： A camera device actuator includes: a magnet disposed on a side surface of a lens carrier disposed to be movable in an optical axis direction in an internal space of a fixed housing; a member to be detected disposed on the side surface of the lens carrier, connected to the magnet, and having a width in the optical axis direction that is less than a width of the magnet in the optical axis direction; a driving coil disposed opposite to and spaced apart from the magnet, on a panel disposed on the housing; and a sensing coil including a first sensing coil and a second sensing coil disposed on the panel, spaced apart from and opposite to the member to be detected, and arranged in-line with each other in the optical axis direction.
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公开(公告)号：US20220210300A1
公开(公告)日：2022-06-30
申请号：US17554618
申请日：2021-12-17
发明人： Bo Sung SEO , Ji Buem CHUN , Jae Won JUNG , Nam Ki PARK , Dong Yeon SHIN , Young Bok YOON , Byung Gi AN , Dong Ryul KIM , Joo Sub MAENG , Se Hyeun YUN , Han Na LEE , Soo Yeon OH , Jun Sup SHIN , Suk Young OH , Joung Ho SON
摘要： A camera module includes a housing having an internal space, and a first lens module and a second lens module disposed in the internal space and each configured to be movable in an optical axis direction, wherein a first shaft and a first ball member are disposed between the first lens module and the housing, wherein a second shaft and a second ball member are disposed between the second lens module and the housing, and wherein, when moving in the optical axis direction, rolling friction occurs on one of both sides of each lens module, and sliding friction occurs on the other of both sides.
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公开(公告)号：US20180284568A1
公开(公告)日：2018-10-04
申请号：US15942672
申请日：2018-04-02
发明人： Suk Young OH , Je Hyun BANG , Hong Joo LEE , Young Bok YOON , Hoon HEO , Jung Seok LEE , Ick Chan SHIM
IPC分类号： G03B5/00
CPC分类号： G03B5/00 , G02B27/646 , G03B3/10 , G03B2205/0007 , G03B2205/0069 , H04N5/23248 , H04N5/23287
摘要： An actuator of a camera module includes: a detection target; and a position detecting unit disposed to face the detection target and including at least two sensing coils respectively forming at least two oscillation circuits, wherein the position detecting unit detects a position of the detection target depending on at least two oscillation signals generated by the at least two oscillation circuits and having different frequency ranges.
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