Invention Grant
- Patent Title: Voice coil motor
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Application No.: US16269782Application Date: 2019-02-07
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Publication No.: US10587179B2Publication Date: 2020-03-10
- Inventor: Tae Jin Jung
- Applicant: LG INNOTEK CO., LTD.
- Applicant Address: KR Seoul
- Assignee: LG INNOTEK CO., LTD.
- Current Assignee: LG INNOTEK CO., LTD.
- Current Assignee Address: KR Seoul
- Agency: KED & Associates LLP
- Priority: KR10-2012-0097323 20120903
- Main IPC: H02K41/03
- IPC: H02K41/03 ; H02K41/035 ; G02B7/08 ; G03B3/10

Abstract:
The VCM according to an exemplary embodiment of the present disclosure includes a base unit, a mover including a bobbin arranged at an upper surface of the base unit and formed with a plurality of rotation prevention units along a periphery and a first driving unit arranged at a periphery of the bobbin, a stator including a yoke configured to the base unit to surround the mover and inner yoke units each extended to between the rotation prevention units, and a second driving unit oppositely arranged to the first driving unit, and an elastic member elastically supporting the mover, wherein an object occurrence preventing portion is formed between the rotation prevention unit and the inner yoke units to decrease a contact area between the rotation prevention unit and the inner yoke units.
Public/Granted literature
- US20190173368A1 VOICE COIL MOTOR Public/Granted day:2019-06-06
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