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    • 73. 发明授权
    • Transfer material transport device capable of exerting proper tension on
a transfer sheet
    • 能够在转印纸上施加适当张力的转印材料输送装置
    • US5428431A
    • 1995-06-27
    • US198782
    • 1994-02-18
    • Takashi AbeTakeshi Okoshi
    • Takashi AbeTakeshi Okoshi
    • B65H5/06G03G15/00G03G15/16G03G15/14
    • G03G15/165G03G15/6564
    • When an electromagnetic clutch 45 is turned on, a rotating force of a main motor 62 is transmitted to a shaft 42 of a drive roller 41a of transport rollers 41 through a double gear 49 and a high-speed gear 46. As a result, the drive roller 41a rotates so as to produce a transport speed higher than the circumferential speed of a photoreceptor drum 13, thereby looping a transfer material P. When the electromagnetic clutch 45 turned off, the rotating force of the main motor 62 is transmitted to the shaft 42 through the double gear 49 and a low-speed gear 47. Accordingly, the drive roller 41a rotates so as to produce a transport speed lower than the circumferential speed of the photoreceptor drum 13. As a result, the loop of the transfer material P gradually shrinks and finally disappears. The drive roller 41a is therefore separated from the main motor 62 by the action of a one-way clutch 48, to follow the rotation of the photoreceptor drum 13 while exerting tension on the transfer material P.
    • 当电磁离合器45接通时,主电动机62的旋转力通过双齿轮49和高速齿轮46传递到输送辊41的驱动辊41a的轴42。结果, 驱动辊41a旋转以产生高于感光鼓13的圆周速度的传送速度,从而使转印材料P环绕。当电磁离合器45关闭时,主电动机62的旋转力传递到轴 因此,驱动辊41a旋转以便产生低于感光鼓13的圆周速度的传送速度。结果,转印材料P的环路 逐渐缩小,最后消失。 因此,驱动辊41a通过单向离合器48的作用与主电动机62分离,以在感光鼓13的旋转同时在转印材料P上施加张力。
    • 80. 发明授权
    • Lens control apparatus and interchangeable lens including lens control apparatus
    • 透镜控制装置和可互换镜头,包括透镜控制装置
    • US08619374B2
    • 2013-12-31
    • US13540680
    • 2012-07-03
    • Takashi AbeHiroyuki Kawahara
    • Takashi AbeHiroyuki Kawahara
    • G02B15/14
    • G02B7/102G02B7/282G02B7/38
    • A lens control apparatus, and an interchangeable lens including the lens control apparatus, are provided which can obtain, in zoom tracking operation, excellent optical images at subject distances in a wider range. A lens control apparatus controls drive of an optical system including a first and a second focus lens for adjusting a focus state and a zoom lens for adjusting an angle of view. The lens control apparatus includes: a first driver that drives the first focus lens; a second driver that drives the second focus lens; a controller that controls the first and second drivers; and a storage unit that stores first and second tracking data, the first and second tracking data each being information that associates a position of the first and second focus lenses respectively with a position of the zoom lens for focusing on a subject.
    • 提供了一种透镜控制装置和包括透镜控制装置的可互换透镜,其能够在变焦跟踪操作中获得较宽范围内的被摄体距离处的优异光学图像。 透镜控制装置控制包括用于调节聚焦状态的第一和第二聚焦透镜的光学系统的驱动和用于调节视角的变焦透镜。 透镜控制装置包括:驱动第一聚焦透镜的第一驱动器; 驱动第二聚焦透镜的第二驱动器; 控制器,其控制第一和第二驱动器; 以及存储单元,其存储第一和第二跟踪数据,所述第一和第二跟踪数据分别是将所述第一和第二聚焦透镜的位置分别与用于聚焦在被摄体上的变焦镜头的位置相关联的信息。