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公开(公告)号：US4585313A
公开(公告)日：1986-04-29
申请号：US560993
申请日：1983-12-13
CPC分类号： G02B7/10
摘要： A lens drive mechanism comprising a lens mount, a basic barrel having a compartment defined therein for accommodating the lens mount for movement in a direction parallel to the optical axis, a pin member, and a generally semicircular cross-sectioned cam member mounted so as to cover the basic barrel for rotation about the optical axis and having a cam groove defined therein with the free end of the pin member engaged in the cam groove.
摘要翻译： 一种透镜驱动机构，包括透镜支架，基本筒体，其具有限定在其中的隔室，用于容纳用于在平行于光轴的方向上移动的透镜支架;销构件;以及大致半圆形横截面的凸轮构件， 覆盖基本筒体以围绕光轴旋转并且具有限定在其中的凸轮槽，销构件的自由端接合在凸轮槽中。
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公开(公告)号：US4596449A
公开(公告)日：1986-06-24
申请号：US560989
申请日：1983-12-13
IPC分类号： G02B7/10
CPC分类号： G02B7/10
摘要： A zoom lens apparatus comprising a moving construction for moving a zoom-ratio adjusting barrel composed of a variator-lens amount and a compensator-lens mount by the rotation along the direction of the optical axis within the fixed barrel; a stepping motor, which is coupled to the moving construction is composed of a rotor having a hollow portion as a light path including the optical axis and a stator to be combined with the rotor, and reversibly rotates in accordance with the pulse signal to be applied; and a circuit means for controlling the operation of the stepping motor with providing advantages and that the reduction gear and clutch mechanism are not required, the outer shape is kept cylindrical, but is not required bigger in size and the price can be made lower.
摘要翻译： 一种变焦透镜装置，包括：移动构造，用于通过沿着固定筒内的光轴方向的旋转来移动由变倍透镜量组成的变焦倍率调节筒和补偿透镜座; 耦合到移动结构的步进电机由具有作为包括光轴的光路的中空部分和与转子组合的定子的转子构成，并且根据要施加的脉冲信号可逆地旋转 ; 以及用于控制步进电动机的操作的电路装置，并且不需要减速齿轮和离合器机构，外形保持为圆柱形，但不需要尺寸更大，并且可以降低价格。
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