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1. 发明授权

US07570449B2 Retract control method of HDD and HDD using the same 失效
标题翻译：使用相同的HDD和HDD的缩回控制方法
公开(公告)号：US07570449B2
公开(公告)日：2009-08-04
申请号：US11633541
申请日：2006-12-05
申请人： Dong wook Lee , Byoung kul Ji
发明人： Dong wook Lee , Byoung kul Ji
IPC分类号： G11B21/12 , G11B5/54
CPC分类号： G11B21/22
摘要： A retract control method of an HDD to prevent a head from landing on a disk due to a retract failure and an HDD using the same. The retract control method includes performing a retract operation of retracting a head on the ramp, determining whether the head is normally retracted on the ramp, when it is determined that the head is not normally retracted on the ramp, moving the head to a predetermined zone of a disk, and when the head arrives at the predetermined zone of the disk, parking the head in the predetermined zone of the disk by stopping a spindle motor. Accordingly, even when a retract operation fails, a reliable retract operation can be performed by retrying the retract operation while adjusting one or more retract parameters.
摘要翻译：一种HDD的缩回控制方法，用于防止头部由于退回故障而落在盘上，并且HDD使用该缩回控制方法。缩回控制方法包括执行在坡道上缩回头部的缩回操作，当确定头部未正常地在斜坡上缩回时，确定头部是否正常地在斜面上缩回，将头部移动到预定区域并且当磁头到达磁盘的预定区域时，通过停止主轴电动机将磁头停在磁盘的预定区域中。因此，即使当缩回操作失败时，也可以通过在调整一个或多个缩回参数的同时重试缩回操作来执行可靠的缩回操作。

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