Invention Grant
US08385166B2 Repeatable run out compensation 有权
可重复耗尽补偿

Repeatable run out compensation
Abstract:
A method to compensate repeatable run out of a hard disk drive apparatus includes receiving a write or read command to write or read data with respect to a disk having an inner diameter (ID) area, a middle diameter (MD) area, and an outer diameter (OD) area which are preset, determining a present position of a magnetic head and a position where the magnetic head writes or read data, stopping an operation of at least one of RRO compensators for RRO components of particular frequencies when the present position of the magnetic head is the ID area and the position where the magnetic head writes or reads the data is the MD area or OD area of the disk, and performing data writing or reading by performing seeking and settling of the magnetic head.
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