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    • 8. 发明授权
    • Camera
    • 相机
    • US4598989A
    • 1986-07-08
    • US564297
    • 1983-12-22
    • Minoru YamadaEiji ItoMasaru Nagai
    • Minoru YamadaEiji ItoMasaru Nagai
    • G02B7/08G03B3/10
    • G02B7/08
    • An automatic focusing camera comprising: a distance measuring means, a cylindrical permanent magnet means which is provided fixedly inside of the lens barrel, a cylindrical moving coil member which is concentric with said cylindrical permanent means, a lens unit which is driven together with the cylindrical moving coil member, and a spring for urging said lens unit to the most frequently employed focusing point of its travelling range, wherein the lens unit is adapted to move to a point corresponding to an output signal from the distance measuring means under the influence of the cylindrical moving coil member.
    • 一种自动对焦照相机,包括:距离测量装置,固定地设置在镜筒内部的圆柱形永磁体装置,与所述圆柱形永久装置同心的圆柱形动圈材,与圆柱形 移动线圈构件和用于将所述透镜单元推压到其行进范围的最常用聚焦点的弹簧,其中,所述透镜单元适于在所述透镜单元的影响下移动到与所述距离测量装置的输出信号相对应的点 圆柱形活动线圈构件。