Disk device

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data verification

Reexamination Certificate

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Details

C360S060000, C360S077020, C360S078040, C360S039000

Reexamination Certificate

active

07136245

ABSTRACT:
A disk device performs position control of a head. An acquiring unit acquires correction information and check information from a disk for checking the correction information. A judging unit judges whether the correction information acquired should be used for correcting position information recorded in the disk, based on the correction information acquired and the check information acquired.

REFERENCES:
patent: 6587302 (2003-07-01), Ahn
patent: 2005/0068650 (2005-03-01), Annampedu et al.
patent: 11-120720 (1999-04-01), None

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