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    • 4. 发明申请
    • Lens driving device
    • 镜头驱动装置
    • US20020093745A1
    • 2002-07-18
    • US09989516
    • 2001-11-20
    • Olympus Optical Co., Ltd.
    • Tatsuo TakanashiJunichi Ito
    • G02B015/14G02B007/02
    • H04N5/23296G02B7/10
    • A lens barrel incorporating a lens driving device has a fixed frame; a cam ring inserted into the fixed frame in freely rotatable fashion, first and second group lens frames inserted into the cam ring enabling free forward and backward motion, and an aperture ring, supported by the first group lens frame in freely rotatable manner. In the above cam ring are provided a diagonal cam groove which drives the lens frames to zoom positions in stages, circumferential-direction cam grooves which hold each zoom position, and aperture cam grooves which drive the aperture ring; in a state in which the lens frames are positioned and fixed at respective zoom positions, the cam ring can be rotated to rotate the aperture ring, thereby setting the aperture value of the pickup lenses. By means of the lens driving device of this lens barrel, a simple configuration can be used to combine and set a prescribed zoom value and an arbitrary aperture value.
    • 装有透镜驱动装置的镜筒具有固定框架; 凸轮环以可自由旋转的方式插入到固定框架中,插入到凸轮环中的第一和第二组透镜框架能够自由向前和向后运动,以及孔径环,其由第一组透镜框架以可自由旋转的方式支撑。 在上述凸轮环中设置有用于分别驱动透镜框以变焦位置的对角凸轮槽,保持每个变焦位置的圆周方向凸轮槽和驱动孔环的孔凸轮槽; 在透镜框架被定位并固定在各个变焦位置的状态下,可以旋转凸轮环以旋转孔环,由此设置拾取透镜的光圈值。 通过该镜筒的透镜驱动装置,可以使用简单的结构来组合和设定规定的变焦值和任意的光圈值。
    • 5. 发明申请
    • Zoom lens barrel
    • 变焦镜头镜筒
    • US20010005288A1
    • 2001-06-28
    • US09739465
    • 2000-12-18
    • Olympus Optical Co., Ltd.
    • Shigeo HayashiTatsuo Takanashi
    • G02B007/02
    • G02B7/10
    • In this zoom lens barrel, its cam ring has three sets of three cam grooves for advancing or retracting a first group frame, a focus frame and third group frame. The three cam grooves include a cam follower introducing groove connected to ends of two cam grooves for the focus frame and third group frame and a joint groove for joining two cam grooves for the first group frame and the focus frame. When inserting a cam follower of the first group frame into the cam groove, after it is inserted into the introducing groove, it is passed through the cam groove for the focus frame and then, passed through the joint groove and fit to the cam groove for the first group frame. Further, when inserting the cam followers of the focus frame and third group frame into the cam groove, after it is inserted from the introducing groove, it can be fit to the focus frame and third group frame separately. Therefore, the assembly is facilitated and it is possible to provide a zoom lens barrel ensuring an excellent space efficiency and achieving reduction of the size and compactness.
    • 在该变焦镜筒中,其凸轮环具有三组用于使第一组框架,聚焦框架和第三组框架前进或缩回的三个凸轮槽。 三个凸轮槽包括连接到用于对焦框架和第三组框架的两个凸轮槽的端部的凸轮从动件引入槽和用于连接用于第一组框架和聚焦框架的两个凸轮槽的接合槽。 当将第一组框架的凸轮从动件插入凸轮槽中时,在将其插入到引入槽中之​​后,通过用于对焦框架的凸轮槽,然后穿过接合槽,并配合到凸轮槽 第一组框架。 此外,当将聚焦框架和第三组框架的凸轮从动件插入到凸轮槽中时,在从导入槽插入之后,可以分别配合到聚焦框架和第三组框架。 因此,组装便利,并且可以提供确保优异的空间效率并实现尺寸和紧凑性的减小的变焦镜头镜筒。
    • 6. 发明申请
    • Lens barrel
    • 镜筒
    • US20040095657A1
    • 2004-05-20
    • US10712503
    • 2003-11-13
    • Olympus Optical Co., Ltd.
    • Tatsuo TakanashiMitsuhiro Sato
    • G02B015/14G02B007/02
    • G02B27/62G02B7/005G02B7/023G02B26/0875
    • A body of a lens frame, which is a lens barrel of the present invention, consists of an inner frame for holding a lens, an intermediate frame in which an adjusting screw is screwed, and an outer frame in which an adjusting screw is screwed. The frames are connected to one another by parallel springs. In the case of this lens frame, the inner frame is displaced in the direction of X-axis or a horizontal axis by screwing the adjusting screw thereinto in the direction of the horizontal axis and screwing another adjusting screw thereinto by the direction of a vertical axis. Thus, the inner frame is displaced in Y-direction through the intermediate frames. Consequently, the translation of the position of the optical axis of the lens is performed without inclination of the intermediate frame. Hence, the adjustment of the position of the optical axis is easily achieved. Moreover, this lens frame achieves a reduction in the cost of components thereof.
    • 作为本发明的镜筒的透镜框的主体由用于保持透镜的内框架,旋转调节螺钉的中间框架以及调节螺钉被拧入的外框构成。 框架通过平行弹簧彼此连接。 在该透镜框的情况下,通过沿着水平轴线的方向拧入调节螺钉,内框架沿X轴方向或水平轴方向移位,并且通过垂直轴线的方向将另一调节螺丝旋入其中 。 因此,内框架在Y方向上通过中间框架移位。 因此,透镜的光轴的位置的平移不进行中间框架的倾斜。 因此,容易实现光轴位置的调节。 此外,该透镜框架可以实现其部件成本的降低。
    • 9. 发明申请
    • Lens barrel
    • 镜筒
    • US20030035228A1
    • 2003-02-20
    • US10197154
    • 2002-07-17
    • Olympus Optical Co., Ltd.
    • Tatsuo Takanashi
    • G02B007/02
    • G02B7/10
    • A lens barrel in accordance with the present invention includes a stationary frame and a second group-of-lenses holding frame. One end of a second group-of-lenses main rod is attached to the second group-of-lenses holding frame with a sleeve between them so that the second group-of-lenses main rod can freely slide. Furthermore, one end of the second group-of-lenses sub rod is fixed to the second group-of-lenses holding frame. Consequently, the other ends of the second group-of-lenses main rod and second group-of-lenses sub rod are attached to the stationary frame so that the second group-of-lenses main rod and second group-of-lenses sub rod can freely slide. Consequently, the second group-of-lenses holding frame is borne while being permitted to freely advance or withdraw relative to the stationary frame without rotating by the main rod and second group-of-lenses sub rod. The main rod is fixed to neither the stationary frame nor lens holding frame but can slide by itself. Therefore, even when the lens barrel is collapsed, the main rod will not jut backward beyond the stationary frame. Eventually, the overall length of the lens barrel can be reduced, and no significant restrictions will be imposed on arrangement of components within a camera.
    • 根据本发明的镜筒包括固定框架和第二组透镜保持框架。 第二组透镜主杆的一端通过它们之间的套筒附接到第二组透镜保持框架,使得第二组透镜主杆可以自由滑动。 此外,第二组透镜子杆的一端固定到第二组透镜保持框。 因此,第二组透镜主杆和第二组透镜子杆的另一端附接到固定框架,使得第二组透镜主杆和第二组透镜子杆 可以自由滑动。 因此,第二组透镜保持框架被允许相对于固定框架自由地前进或退出而不被主杆和第二组透镜子杆旋转。 主杆固定在既不固定的框架也不固定框架,但可以自身滑动。 因此,即使当镜筒折叠时,主杆也不会向后突出超过固定框架。 最终,可以减小透镜镜筒的总长度,并且不会对相机内部件的布置施加明显的限制。
    • 10. 发明申请
    • Lens barrel
    • 镜筒
    • US20010028513A1
    • 2001-10-11
    • US09872043
    • 2001-06-01
    • Olympus Optical Co., Ltd.
    • Tatsuo TakanashiMitsuhiro Sato
    • G02B015/14G02B015/22G02B007/02
    • G02B7/005G02B7/023G02B26/0875G02B27/62
    • A body of a lens frame, which is a lens barrel of the present invention, consists of an inner frame for holding a lens, an intermediate frame in which an adjusting screw is screwed, and an outer frame in which an adjusting screw is screwed. The frames are connected to one another by parallel springs. In the case of this lens frame, the inner frame is displaced in the direction of X-axis or a horizontal axis by screwing the adjusting screw thereinto in the direction of the horizontal axis and screwing another adjusting screw thereinto by the direction of a vertical axis. Thus, the inner frame is displaced in Y-direction through the intermediate frames. Consequently, the translation of the position of the optical axis of the lens is performed without inclination of the intermediate frame. Hence, the adjustment of the position of the optical axis is easily achieved. Moreover, this lens frame achieves a reduction in the cost of components thereof.
    • 作为本发明的镜筒的透镜框的主体由用于保持透镜的内框架,旋转调节螺钉的中间框架以及调节螺钉被拧入的外框构成。 框架通过平行弹簧彼此连接。 在该透镜框的情况下,通过沿着水平轴线的方向拧入调节螺钉,内框架沿X轴方向或水平轴方向移位,并且通过垂直轴线的方向将另一调节螺丝旋入其中 。 因此,内框架在Y方向上通过中间框架移位。 因此,透镜的光轴的位置的平移不进行中间框架的倾斜。 因此,容易实现光轴位置的调节。 此外,该透镜框架可以实现其部件成本的降低。