Control apparatus, storage apparatus, and computer product

Details Control apparatus, storage apparatus, and computer product Control apparatus, storage apparatus, and computer product

2007-01-31

2008-09-30

Sniezek, Andrew L. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077070, C360S077040

Reexamination Certificate

active

07430092

ABSTRACT:
Offtrack amounts corresponding to every servo in which data writing has been completed is stored in a storage unit. Offtrack amount corresponding to a next servo frame, which is a servo frame present next to a servo frame for which data has been written, is calculated from the offtrack amounts stored in the storage unit. Based on the offtrack amount of the next servo frame, it is decided whether data needs to be rewritten in a sector present before the next servo frame.

REFERENCES:
patent: 6781780 (2004-08-01), Codilian
patent: 2005/0141125 (2005-06-01), Yatsu
patent: 05-020789 (1993-01-01), None
patent: 06-052636 (1994-02-01), None
patent: 2001-014606 (2001-01-01), None
patent: 2004-047023 (2004-02-01), None

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