发明名称 |
Repeatable runout determination within a rotating media storage device |
摘要 |
A rotating media storage device (RMSD) includes a disk having at least one track with a plurality of servo wedges, a moveable head, and a microprocessor. The microprocessor receives a plurality of position error signal (PES) values during track following and sums PES values for a plurality of different sets of servo wedges of the track to generate a plurality of shifted summed position error signal (SSPES) values. The microprocessor shifts the plurality of generated SSPES values by a phase shift value to generate a plurality of corrected shifted summed position error signal (CSSPES) values, which correspond to the repeatable runout (RRO) of the disk.
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申请公布号 |
US6847502(B1) |
申请公布日期 |
2005.01.25 |
申请号 |
US20020185983 |
申请日期 |
2002.06.28 |
申请人 |
WESTERN DIGITAL TECHNOLOGIES, INC. |
发明人 |
CODILIAN RAFFI |
分类号 |
G11B5/596;(IPC1-7):G11B5/596 |
主分类号 |
G11B5/596 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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