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    • 8. 发明授权
    • Lens barrel, camera and information device
    • 镜筒,相机和信息装置
    • US07839579B2
    • 2010-11-23
    • US12593969
    • 2008-04-11
    • Tetsuya Iwasaki
    • Tetsuya Iwasaki
    • G02B15/14G02B7/02
    • G02B7/102G03B17/04
    • A cam locus of the cam surface (G1) on the image plane side of the first group cam groove (27) of the rotating cylinder (21) has an angle to a flat surface where the optical axis crosses perpendicularly. In a case in which the cam follower (25) engages with (abuts on) the cam surface (G1) on the image plane side, an impact force is dispersed into the optical axis direction and into the rotating direction of the rotating cylinder (21), and a load which the cam follower (25) and the male helicoid (31) of the rotating cylinder (21) receive is reduced. Additionally, when the first group lens system (11) is pressed by a light load such as a hand operation by a user and the like, the cam follower (25) of the first group lens movement frame (15) engages with (or abuts on) the cam surface (G1) on the image plane side, and an angle of the cam surface (G1) is an angle that an occurring force in the rotating direction is so as to be a moving direction from the collapsed position (S1) to the wide angle end position (W1). Therefore, the rotating cylinder (21) does not rotate easily, and when the load is removed, returns to a position before the load is received.
    • 旋转圆筒(21)的第一组凸轮槽(27)的像面上的凸轮表面(G1)的凸轮轨迹与光轴垂直交叉的平坦表面成角度。 在凸轮从动件(25)与图像平面侧的凸轮面(G1)接合(抵接)的情况下,冲击力分散在旋转圆筒(21)的光轴方向和旋转方向 ),并且减小了旋转缸(21)的凸轮从动件(25)和雄螺旋体(31)所接收的负荷。 此外,当第一组透镜系统(11)被诸如用户等的手动操作的轻负载按压时,第一组透镜运动框架(15)的凸轮从动件(25)与(或邻接) 在图像平面侧上的凸轮表面(G1)上,并且凸轮表面(G1)的角度是旋转方向上产生的力作为从折叠位置(S1)移动的方向的角度, 到广角端位置(W1)。 因此,旋转缸(21)不容易旋转,并且当负载被移除时,返回到接收负载之前的位置。
    • 9. 发明申请
    • LENS BARREL, CAMERA AND INFORMATION DEVICE
    • 镜头条,相机和信息设备
    • US20100046089A1
    • 2010-02-25
    • US12593969
    • 2008-04-11
    • Tetsuya Iwasaki
    • Tetsuya Iwasaki
    • G02B15/14
    • G02B7/102G03B17/04
    • A cam locus of the cam surface (G1) on the image plane side of the first group cam groove (27) of the rotating cylinder (21) has an angle to a flat surface where the optical axis crosses perpendicularly. In a case in which the cam follower (25) engages with (abuts on) the cam surface (G1) on the image plane side, an impact force is dispersed into the optical axis direction and into the rotating direction of the rotating cylinder (21), and a load which the cam follower (25) and the male helicoid (31) of the rotating cylinder (21) receive is reduced. Additionally, when the first group lens system (11) is pressed by a light load such as a hand operation by a user and the like, the cam follower (25) of the first group lens movement frame (15) engages with (or abuts on) the cam surface (G1) on the image plane side, and an angle of the cam surface (G1) is an angle that an occurring force in the rotating direction is so as to be a moving direction from the collapsed position (S1) to the wide angle end position (W1). Therefore, the rotating cylinder (21) does not rotate easily, and when the load is removed, returns to a position before the load is received.
    • 旋转圆筒(21)的第一组凸轮槽(27)的像面上的凸轮表面(G1)的凸轮轨迹与光轴垂直交叉的平坦表面成角度。 在凸轮从动件(25)与图像平面侧的凸轮面(G1)接合(抵接)的情况下,冲击力分散在旋转圆筒(21)的光轴方向和旋转方向 ),并且减小了旋转缸(21)的凸轮从动件(25)和雄螺旋体(31)所接收的负荷。 此外,当第一组透镜系统(11)被诸如用户等的手动操作的轻负载按压时,第一组透镜运动框架(15)的凸轮从动件(25)与(或邻接) 在图像平面侧上的凸轮表面(G1)上,并且凸轮表面(G1)的角度是旋转方向上产生的力作为从折叠位置(S1)移动的方向的角度, 到广角端位置(W1)。 因此,旋转缸(21)不容易旋转,并且当负载被移除时,返回到接收负载之前的位置。
    • 10. 发明申请
    • LENS BARREL, CAMERA AND MOBILE INFORMATION TERMINAL DEVICE HAVING THE SAME
    • 镜头条,相机和移动信息终端设备
    • US20090046198A1
    • 2009-02-19
    • US11817992
    • 2006-03-06
    • Tetsuya Iwasaki
    • Tetsuya Iwasaki
    • H04N5/232
    • G03B17/04G02B7/102G02B13/001G02B13/009G02B15/173G02B15/177G03B5/00G03B2217/002
    • At least one object of the present invention is to provide a lens barrel, including: a fixed frame (21) having a fixed cylinder (21); a telescopic cylinder (22, 23, 24, etc.) configured to be accommodated within the fixed cylinder (21); a plurality of lens groups (11, 12) configured to be retained in the telescopic cylinder; a lens driving device (51, 52, etc.) configured to drive the plurality of lens groups along a optical axis of the telescopic cylinder between a collapsed position and an extended position; and two retractable lens groups (13, 14) configured to be retracted into the telescopic cylinder when the telescopic cylinder is in the extended position and configured to be retracted out of the telescopic cylinder when the telescopic cylinder is in the collapsed position.
    • 本发明的至少一个目的是提供一种镜筒,包括:具有固定筒体(21)的固定框架(21); 构造成容纳在固定筒体(21)内的伸缩筒(22,23,24等); 多个透镜组(11,12),被配置为保持在伸缩筒中; 被配置为沿着所述伸缩筒的光轴在折叠位置和延伸位置之间驱动所述多个透镜组的透镜驱动装置(51,52等) 以及两个缩回透镜组(13,14),其构造成当所述伸缩筒处于所述伸缩位置时缩回到所述伸缩筒中并且构造成当所述伸缩筒处于折叠位置时被缩回到伸缩筒内。