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    • 4. 发明授权
    • Motor drive system
    • 电机驱动系统
    • US5643120A
    • 1997-07-01
    • US740072
    • 1996-10-24
    • Nobuharu MurashimaJunichi TaniiYoshito KonishiKen Tanino
    • Nobuharu MurashimaJunichi TaniiYoshito KonishiKen Tanino
    • G03B17/00F16H3/00F16H37/06F16H1/32F16H3/34F16H59/14F16H59/40
    • F16H3/003F16H37/065Y10T74/19014Y10T74/19056Y10T74/19367
    • A motor drive system is provided with two drive units so that the system may be driven not only by operating one of the drive units but by simultaneously operating both of the drive units in accordance with load condition. Both of the first and second drive units are provided with a motor and a gear reduction mechanism. The output gear of the second drive unit is mounted as a planetary gear of a planetary gear mechanism on the carrier. When the current is supplied simultaneously to both the motor of the first drive unit and to the motor of the second drive unit, the output gear of the first drive unit comes into mesh with the output gear of the second drive unit, combining the output forces of the first and second drive units to drive the load driving shaft. When the use of only the first drive unit is required to drive the load, the motor of the second drive unit is rotated reversely to move the carrier of the planetary gear mechanism to a refuge position, where the output gear of the second drive unit is de-meshed from the output gear of the first drive unit.
    • 电动机驱动系统设置有两个驱动单元,使得不仅可以通过操作驱动单元之一来驱动系统,而且可以根据负载条件同时操作两个驱动单元。 第一和第二驱动单元都具有马达和齿轮减速机构。 第二驱动单元的输出齿轮作为行星齿轮机构的行星齿轮安装在载体上。 当同时向第一驱动单元的电动机和第二驱动单元的电动机提供电流时,第一驱动单元的输出齿轮与第二驱动单元的输出齿轮啮合,将输出力 的第一和第二驱动单元以驱动负载驱动轴。 当仅需要使用第一驱动单元来驱动负载时,第二驱动单元的电动机反向旋转以将行星齿轮机构的行星架移动到避难位置,其中第二驱动单元的输出齿轮为 从第一驱动单元的输出齿轮脱离。
    • 6. 发明授权
    • Field-of-view frame switching device
    • 视场框架切换装置
    • US06181881B2
    • 2001-01-30
    • US09201825
    • 1998-12-01
    • Yoshito KonishiYoshiyuki InoueWong Ngai Kit
    • Yoshito KonishiYoshiyuki InoueWong Ngai Kit
    • G03B1310
    • G03B13/12
    • A field-of-view frame switching device has a rectangular fixed field-of-view frame and a plurality of light-shielding members for covering portions of the rectangular fixed field-of-view frame so as to vary the size of the actual field-of-view frame. The light-shielding members are composed of a first pair of oppositely arranged light-shielding members and a second pair of oppositely arranged light-shielding members. The field-of-view frame switching device also has a coupling member for coupling the light-shielding members together in such relation that, when the first pair of light-shielding members are positioned closer to each other to narrow the actual field-of-view frame, the second pair of light-shielding members are positioned wide apart from each other and that, when the first pair of light-shielding members are positioned wide apart from each other, the second pair of light-shielding members are positioned closer to each other to narrow the actual field-of-view frame. The field-of-view frame switching device further has a moving member for moving at least a part of the light-shielding members in a direction substantially parallel to one side of the rectangular fixed field-of-view frame.
    • 视野框架切换装置具有矩形固定视场框架和多个遮光构件,用于覆盖矩形固定视野框架的部分,以便改变实际场地的尺寸 - 视图框架。 遮光构件由第一对相对布置的遮光构件和第二对相对布置的遮光构件组成。 视野框架切换装置还具有用于将遮光构件联接在一起的联接构件,其中,当第一对遮光构件彼此更靠近地定位时, 所述第二对遮光构件彼此分开定位,并且当所述第一对遮光构件彼此分开放置时,所述第二对遮光构件定位成更靠近 彼此缩小实际的视野框架。 视场框架切换装置还具有移动构件,用于沿与矩形固定视场框架的一侧大致平行的方向移动至少一部分遮光构件。