发明授权
US09117481B1 Delaying unload operation when rate of unloads exceeds a time varying unload limit
有权
卸载速度超过时间变化卸载限制时的延时卸载操作
- 专利标题： Delaying unload operation when rate of unloads exceeds a time varying unload limit
- 专利标题（中）： 卸载速度超过时间变化卸载限制时的延时卸载操作
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申请号： US12471265申请日： 2009-05-22
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公开(公告)号： US09117481B1公开(公告)日： 2015-08-25
- 发明人: Alan T. Meyer , Kenny T. Coker , Daniel D. Reno
- 申请人： Alan T. Meyer , Kenny T. Coker , Daniel D. Reno
- 申请人地址： US CA Irvine
- 专利权人： Western Digital Technologies, Inc.
- 当前专利权人： Western Digital Technologies, Inc.
- 当前专利权人地址： US CA Irvine
- 主分类号： G11B21/02
- IPC分类号： G11B21/02
摘要：
A disk drive is disclosed comprising a disk, a head, and a ramp located near an outer periphery of the disk. The disk drive further comprises control circuitry operable to load the head off the ramp over the disk, receive an unload command to perform an unload operation, evaluate a number of unloads relative to an unload limit that varies over time, and when the number of unloads exceeds the unload limit, delay the unload operation.
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