CAMERA ACTUATOR, LENS TRANSFER APPARATUS, AND CAMERA APPARATUS COMPRISING SAME

    公开(公告)号:US20250047962A1

    公开(公告)日:2025-02-06

    申请号:US18722481

    申请日:2022-12-14

    Abstract: Disclosed, in an embodiment of the present invention, is a camera apparatus comprising: a housing; a first lens assembly and a second lens assembly moving in an optical axis direction on the basis of the housing; an optical drive unit including a first drive unit moving the first lens assembly and a second drive unit moving the second lens assembly; and a first hall sensor adjacent to the first drive unit and a second hall sensor adjacent to the second lens assembly, wherein at least a portion of the first hall sensor and the second hall sensor do not overlap each other in a direction perpendicular to the optical axis direction.

    LENS DRIVING DEVICE
    2.
    发明申请

    公开(公告)号:US20230065237A1

    公开(公告)日:2023-03-02

    申请号:US17908351

    申请日:2021-03-19

    Abstract: The present embodiment relates to a lens driving device comprising: a lens barrel; a lens disposed in the lens barrel; and a driving unit disposed in the lens barrel, wherein: the driving unit includes a piezoelectric element expanding or contracting in a direction perpendicular to an optical axis direction of the lens when a voltage is applied thereto, a first member disposed on the piezoelectric element, and a second member coupled to the first member and disposed in the lens barrel; the lens barrel moves in the optical axis direction of the lens when the voltage is applied to the piezoelectric element; and a first length in the lengthwise direction of the first member is shorter than a second length in the lengthwise direction of the second member.

    LENS DRIVING DEVICE AND CAMERA DEVICE COMPRISING SAME

    公开(公告)号:US20240337813A1

    公开(公告)日:2024-10-10

    申请号:US18293898

    申请日:2022-07-29

    Abstract: An embodiment of the present disclosure discloses a lens driving device including a first lens group including at least one lens, a first magnet coupled to the first lens group, a first coil disposed at a location corresponding to the first magnet, N sensors that detect a magnetic field of the first magnet, and a driving part that receives outputs of the N sensors and controls a current applied to the first coil, wherein N is a natural number of three or more, the N sensors are connected to have (N−1)/2 serial connections when N is an odd number, and the N sensors are connected to have N/2 serial connections when N is an even number.

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