Disk storage apparatus

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head

Reexamination Certificate

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Reexamination Certificate

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06947250

ABSTRACT:
In a disk storage apparatus, an micro processing unit (MPU) as an upper unit calculates a positional relationship between a head section and storage disks using disk management data indicating the positional relationship of servo information among the storage disks to complete a servo lock based on the result of calculation. The servo lock can thereby be executed at high rate without waiting for a disk controller as a lower unit to complete a servo lock.

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patent: 6204984 (2001-03-01), Uno et al.
patent: 6567230 (2003-05-01), Kagami et al.

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