Eccentricity correction data recording method and recording...

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Data in specific format

Reexamination Certificate

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C360S077040

Reexamination Certificate

active

10784666

ABSTRACT:
An eccentricity correction data recording method, a disk-shaped recording medium, a head position control method and an information recording and reproducing apparatus are disclosed for effective eccentricity correction on cylinders of a disk-shaped recording medium. The eccentricity correction data recording method is for position control over a recording and reproducing head on a disk-shaped recording medium having at least one user data recording area to record user data, the method including the step of recording the eccentricity correction data in a user data recording area.

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patent: 2002-352535 (2002-12-01), None

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