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    • 6. 发明授权
    • Bellows activated underdrive two speed accessory drive
    • 波纹管启动低速配件驱动
    • US4706521A
    • 1987-11-17
    • US892536
    • 1986-07-31
    • Andrew G. AndersonLeigh A. Shoji
    • Andrew G. AndersonLeigh A. Shoji
    • F16H3/54F16H63/30F16H3/44F16H57/10
    • F16H3/54F16H63/3026
    • A drive (10) having high speed and low speed modes of operation comprising an input shaft (20), a planetary gear set (12) drivingly connected to the input shaft (20) comprising a sun gear (14) disposed about the input shaft, a brake (46) for preventing the ring gear from rotating during the low speed mode; an output pulley (50) linked to and rotatably with the planetary gear set (12), a clutch (60) for connecting the output pulley (50) to the input shaft (20) during the high speed mode and for disengaging the output pulley from the input shaft during the low speed mode, and bellows (90) for moving the clutch (60) into and out from engagement during the high and low speed modes.
    • 具有高速和低速操作模式的驱动器(10),包括输入轴(20),驱动地连接到输入轴(20)的行星齿轮组(12),包括围绕输入轴设置的太阳齿轮(14) ,用于防止所述齿圈在所述低速模式期间旋转的制动器(46); 与行星齿轮组(12)连接并与其可转动的输出滑轮(50),用于在高速模式期间将输出滑轮(50)连接到输入轴(20)的离合器(60) 在低速模式期间从输入轴和用于在高速和低速模式期间将离合器(60)移入和离开接合的波纹管(90)。
    • 8. 发明授权
    • Display system
    • 显示系统
    • US4091382A
    • 1978-05-23
    • US726747
    • 1976-09-27
    • Andrew G. AndersonWilliam D. GreasonAnantaraman R. Prasan
    • Andrew G. AndersonWilliam D. GreasonAnantaraman R. Prasan
    • G09F9/37G08B5/00
    • G09F9/372
    • A display system is made up of an array of blocks, each block in turn consisting of rows and columns of individual display units each having a thin, pivotally mounted vane movable by electrostatic forces between an upright (WRITE) position and a horizontal (ERASE) position. A message can be displayed by selection of a pattern of vanes moved from one position to the other. Each vane assembly is symmetrically bistable, being movable in both directions by the same triggering electrodes which are subjected to a short pulse of high D.C. voltage that kicks the vane towards a mid position and subsequently allows it to continue its travel under its own momentum and gravity. Selection of units not to be operated is carried out by means of inhibit electrodes located near the vane in its extreme positions, such electrodes, when energized, preventing movement by the triggering electrodes. By having two write inhibit electrodes adjacent the vane in its horizontal position and two erase inhibit electrodes adjacent the vane in its upright position, it is possible to energize a pattern of inhibit electrodes that will permit a given triggering signal to move only a single selected vane of the array.
    • 显示系统由块阵列组成,每个块依次由单独的显示单元的行和列组成,每个显示单元具有薄的可枢转地安装的叶片,该叶片可以通过直立(WRITE)位置和水平(ERASE)之间的静电力移动, 位置。 可以通过选择从一个位置移动到另一个位置的叶片图案来显示消息。 每个叶片组件对称双稳态,可通过相同的触发电极在两个方向上移动,所述触发电极经受高直流电压的短脉冲,将叶片向中间位置推动,随后允许其在其自身的动量和重力下继续行进 。 通过位于叶片最靠近的位置的抑制电极,这种电极通电时,可以防止不被操作的装置的选择,防止触发电极移动。 通过在其水平位置具有与叶片相邻的两个写禁止电极和在其直立位置上邻近叶片的两个擦除禁止电极,可以激励禁止电极的图案,其将允许给定的触发信号仅移动单个选定的叶片 的数组。