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    • 6. 发明授权
    • Head shifting apparatus
    • 头移位装置
    • US5381399A
    • 1995-01-10
    • US056964
    • 1993-05-03
    • Tsukasa Uehara
    • Tsukasa Uehara
    • B41J19/20G05B19/40G05B19/401G11B5/55G11B21/08H04N1/047G11B17/30G11B21/02
    • G05B19/4015B41J19/202G05B19/40G11B21/08G11B5/5547H04N1/047
    • Disclosed is a head shifting apparatus for shifting a head relative to a recording medium, which comprises a shifting mechanism for shifting the head stepwise, detecting means for detecting when the head reaches a predetermined reference position and control means for controlling the shifting mechanism in such a manner that the head is shifted in a first shifting mode where the head is shifted on the basis of a predetermined first unit increment of shifting step until the head reaches the reference position, and after that when to perform normal recording or reproducing, the head is shifted in a second shifting mode where the basis is shifted on the basis of a predetermined second unit increment of shifting step larger than the first unit increment of shifting step.
    • 公开了一种用于相对于记录介质移动磁头的磁头移位装置,其包括用于逐步移动磁头的移位机构,用于检测磁头到达预定基准位置的检测装置,以及用于控制这种磁头的移位机构的控制装置 以头部移位的第一移位模式,基于移动步骤的预定的第一单位增量,直到头部到达基准位置为止,然后在执行正常的记录或再现时,头部是 基于基于移位步长的预定的第二单位增量大于移位步骤的第一单位增量的偏移移位的第二移位模式移位。
    • 8. 发明授权
    • Recording and/or reproducing apparatus utilizing record bearing media of
the disc type
    • 记录和/或重放装置利用盘式记录载体介质
    • US4941060A
    • 1990-07-10
    • US282873
    • 1988-12-05
    • Tsukasa Uehara
    • Tsukasa Uehara
    • G11B17/035G11B17/028G11B17/04G11B17/043G11B17/056G11B17/34
    • G11B17/0434
    • A recording and/or reproducing apparatus using a disc-shaped flexible record bearing medium, including a holder for receiving the medium and movable for placing the received medium at a predetermined position for signal recording and/or reproduction, and a pair of sliding members slidable for moving the holder. One of the sliding members has a first cam for operating a pressing member which presses a portion of the medium to mount the same on a rotating spindle, while the other of the sliding members has a second cam for moving a stabilizing member to an operative position at which the stabilizing member stabilizes a portion of the medium near a recording and/or reproducing head when the medium is rotated by the spindle.
    • 一种使用盘形柔性记录载体介质的记录和/或再现装置,包括用于接收介质并可移动的保持器,用于将接收的介质放置在用于信号记录和/或再现的预定位置,以及可滑动的一对滑动构件 用于移动支架。 滑动构件中的一个具有用于操作按压构件的第一凸轮,该按压构件将介质的一部分将其安装在旋转心轴上,而另一个滑动构件具有用于将稳定构件移动到操作位置的第二凸轮 当所述介质由所述主轴旋转时,所述稳定构件使所述介质的一部分稳定在记录和/或再现头附近。