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    • 1. 发明申请
    • INFORMATION STORAGE APPARATUS
    • 信息存储设备
    • WO1981002492A1
    • 1981-09-03
    • PCT/US1981000220
    • 1981-02-19
    • NCR CORP
    • NCR CORPDONOHUE J
    • G11B21/08
    • G11B19/20G11B21/083
    • System for obtaining read/write head (26) positioning movement and control for a storage disc drive. The rotational energy source for the disc (10) is also utilized for the additional task of indexing the read/ write head assembly (26, 28). To provide a simple, low-cost and reliable means of controlling the position of head assembly (26, 28), a belt (18), driven by the disc drive, drives rollers (50, 52) in opposite directions, and solenoid actuating means (68, 70) are employed to engage one of rollers (50, 52) with a track position wheel (80) to cause said wheel (80) to rotate in one of two opposite directions. The rotational movement is converted (44, 46, 47, 49) into indexing movement of the read/write head assembly (26, 28).
    • 用于获取读/写头(26)的系统,用于存储盘驱动器的定位运动和控制。 用于盘(10)的旋转能量源还用于对读/写头组件(26,28)进行索引的附加任务。 为了提供控制头部组件(26,28)的位置的简单,低成本和可靠的手段,由盘驱动器驱动的皮带(18)以相反的方向驱动辊子(50,52),并且螺线管致动 使用装置(68,70)将一个辊(50,52)与轨道位置轮(80)接合,以使所述轮(80)沿两个相反方向中的一个方向旋转。 旋转运动被转换(44,46,47,49)到读/写头组件(26,28)的分度运动。