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    • 6. 发明授权
    • Optical pick-up apparatus having low coefficient of friction between
slide bearing and guiding member
    • 在滑动轴承和导向构件之间具有低摩擦系数的光学拾取装置
    • US5875166A
    • 1999-02-23
    • US681972
    • 1996-07-30
    • Tetsuo IkegameHiroshi EzawaJunichi Nakano
    • Tetsuo IkegameHiroshi EzawaJunichi Nakano
    • G11B21/02G11B7/085G11B7/00
    • G11B7/08582
    • An optical pick-up apparatus for writing and/or reading information on and/or from an optical record medium including a light source, an objective lens projecting a light beam emitted by the light source onto the optical record medium, a holding member holding the objective lens movably in a focusing direction to perform a focusing control, a carriage to which the holding member is secured, a supporting mechanism for supporting the carriage movably in a tracking direction to effect a tracking control as well as an access control, and a driving member moving a movable member including the objective lens, holding member and carriage in the tracking direction. The supporting mechanism includes guide rails extending in the tracking direction and slide bearings formed in the carriage and coupled with the slide bearings. A coefficient of static friction of the movable member is set to a value not larger than 0.25.
    • 一种用于在包括光源的光学记录介质和/或从光学记录介质读取和/或读取信息的光学拾取装置,将由光源发射的光束投影到光学记录介质上的物镜,保持构件 在聚焦方向可移动地进行聚焦控制的物镜,固定有保持构件的滑架,用于沿跟踪方向可移动地支撑滑架的支撑机构,以进行跟踪控制以及进入控制 构件沿跟踪方向移动包括物镜,保持构件和托架的可动构件。 支撑机构包括沿跟踪方向延伸的导轨和形成在滑架中并与滑动轴承联接的滑动轴承。 可动构件的静摩擦系数设定为0.25以下的值。
    • 10. 发明授权
    • Image blur correcting device and image pickup device
    • 图像模糊校正装置和图像拾取装置
    • US08908272B2
    • 2014-12-09
    • US13194309
    • 2011-07-29
    • Hiroshi Ezawa
    • Hiroshi Ezawa
    • G02B27/64H04N5/232G03B5/00
    • H04N5/23254G02B27/646G03B5/00G03B2205/0038G03B2205/0069H04N5/23287
    • Provided is an image blur correcting device, including: an image pickup element (42); an image pickup element holder (41) movable in an X direction and in a Y direction orthogonal to the optical axis, and has the image pickup element placed thereon in such a manner that two mutually orthogonal sides extend along the X direction and the Y direction; a frame-like base (31) for supporting the image pickup element holder (41) in a movable manner in the X direction and in the Y direction; and first and second electromagnetic drive means, each arranged on sides extending along Y direction of the image pickup element (41), formed of coils (45a, 45b, 46a, 46b)and magnets (47a, 47b, 48a, 48b) for driving the image pickup element holder (41), with respect to the base (31), in the X direction and in the Y direction.
    • 提供一种图像模糊校正装置,包括:图像拾取元件(42); 图像拾取元件保持件(41),其能够沿与X轴方向正交的X方向和Y方向移动,并且以使得两个相互正交的边沿X方向和Y方向延伸的方式配置有摄像元件 ; 用于在X方向和Y方向上以可移动的方式支撑图像拾取元件保持器的框状基座(31) 以及第一和第二电磁驱动装置,每个第一和第二电磁驱动装置布置在沿着图像拾取元件(41)的Y方向延伸的侧面上,该线圈由用于驱动的​​线圈(45a,45b,46a,46b)和磁体(47a,47b,48a,48b) 相对于基座(31),图像拾取元件保持器(41)在X方向和Y方向上。