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    • 23. 发明公开
    • LENS APPARATUS AND IMAGE PICKUP APPARATUS HAVING LENS APPARATUS
    • 具有镜头装置的镜头装置和图像拾取设备
    • EP3182201A1
    • 2017-06-21
    • EP16002603.5
    • 2016-12-07
    • Canon Kabushiki Kaisha
    • Makita, Keisuke
    • G03B3/10G02B7/10
    • G02B7/08G02B7/102G03B3/10
    • A lens apparatus comprises an optical system including a focus lens, a vibrating motor for driving the focus lens in an optical axis direction, a detector for detecting a position of the focus lens in the optical axis direction, an operating unit for inputting a position instruction for the focus lens, and a controller for, on the basis of the position instruction and a state of the optical system, switching between a case of controlling the motor by using an instruction value which is obtained on the basis of the position of the focus lens obtained from the detector and the position instruction obtained from the operating unit and a case of not controlling the motor by using the instruction value.
    • 一种镜头装置,包括:光学系统,包括聚焦透镜,用于在光轴方向上驱动聚焦透镜的振动马达,用于检测聚焦透镜在光轴方向上的位置的检测器,用于输入位置指令的操作单元 用于聚焦透镜;以及控制器,用于基于位置指令和光学系统的状态,通过使用基于焦点的位置获得的指令值来控制马达的控制情况 从检测器获得的透镜和从操作单元获得的位置指令,以及通过使用指令值不控制电动机的情况。
    • 27. 发明公开
    • LENS DRIVING DEVICE AND CAMERA MODULE COMPRISING SAME
    • LINSENANSTEUERUNGSVORRICHTUNG UND KAMERAMODUL DAMIT
    • EP3115819A4
    • 2017-03-01
    • EP15758167
    • 2015-02-25
    • LG INNOTEK CO LTD
    • PARK SANG OKSON BYUNG WOOKLEE SEONG MINLEE JUN TAEK
    • H02K41/035G02B7/08G02B7/09G03B3/10H02K11/00
    • G02B7/08G03B3/10G03B2205/0069H02K41/0356
    • A lens driving device according to an embodiment comprises: a movable unit on which at least one lens is mounted; a first coil and a driving magnet which face and interact with each other such that the movable unit is moved in the optical axis direction of the lens; a position sensor for sensing the position of the movable unit in the optical axis direction or a driver comprising the position sensor; and a positively magnetized magnet arranged to face the position sensor or the driver, wherein the positively magnetized magnet comprises a first side surface, which faces the position sensor and has a first polarity, and a second side surface, which faces the position sensor, which is arranged to be spaced from the first side surface in a direction parallel with the optical axis direction or arranged to abut the first side surface, and which has a second polarity that is the opposite of the first polarity of the first side surface, and the length of the first side surface in the optical axis direction may be equal to or larger than the length of the second side surface in the optical axis direction.
    • 根据实施例的透镜驱动装置包括:可移动单元,其上安装有至少一个透镜; 面对并相互作用的第一线圈和驱动磁体,使得可动单元沿着透镜的光轴方向移动; 用于感测可动单元在光轴方向上的位置的位置传感器或包括位置传感器的驱动器; 以及被配置为面对所述位置传感器或所述驱动器的正磁化磁体,其中所述正磁化磁体包括面向所述位置传感器并具有第一极性的第一侧表面和面向所述位置传感器的第二侧表面, 布置成在与光轴方向平行的方向上与第一侧表面间隔开,或者布置成邻接第一侧表面,并且具有与第一侧表面的第一极性相反的第二极性,并且 第一侧面的光轴方向的长度可以在第二侧面的光轴方向的长度以上。