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1. 发明授权

US6151183A Disk drive device and method for controlling the same 失效
标题翻译：磁盘驱动装置及其控制方法
公开(公告)号：US6151183A
公开(公告)日：2000-11-21
申请号：US79876
申请日：1998-05-15
申请人： Kenja Ogasawara , Fuminori Sai , Shinji Ueno , Isao Yoneda
发明人： Kenja Ogasawara , Fuminori Sai , Shinji Ueno , Isao Yoneda
IPC分类号： G11B5/02 , G11B5/60 , G11B21/08 , G11B21/12 , G11B21/21 , G11B23/50 , G11B21/02
CPC分类号： G11B21/21 , G11B21/083 , G11B5/6011
摘要： The invention relates to a magnetic recording device which can be used at a reduced atmospheric pressure without having the head/slider assembly stick to the disk. A method of the present invention for controlling the operation of a disk drive device in reduced atmospheric pressure where a read/write head mounted on a head support arm flies above the surface of a rotating recording disk. The head support arm is moved along a radial direction of the recording disk to position the read/write head to one of cylinder positions of the recording disk. The method comprises steps of (i) detecting a value of the reduced atmospheric pressure during a power on reset period before a read/write period, (ii) storing information indicating whether the detected value of atmospheric pressure is lower than a threshold value, and (iii) accessing, during the read/write period, the stored information to determine whether an operation for lowering a flying height of the read/write head to a height which is lower than a height for the read/write operation should be inhibited.
摘要翻译：本发明涉及一种磁记录装置，其可以在降低大气压的情况下使用，而不会使磁头/滑块组件粘到磁盘上。本发明的方法用于控制磁盘驱动装置在降低的大气压下的操作，其中安装在头部支撑臂上的读/写头在旋转记录盘的表面上方飞行。头支撑臂沿着记录盘的径向方向移动，以将读/写头定位到记录盘的圆柱体位置之一。该方法包括以下步骤：（i）在读/写周期之前的上电复位期间检测降低的大气压值，（ii）存储指示检测到的大气压值是否低于阈值的信息，以及（iii）在读/写周期期间访问所存储的信息，以确定是否应禁止将读/写头的飞行高度降低到低于读/写操作的高度的高度。

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