| 摘要 |
PROBLEM TO BE SOLVED: To provide a magneto-optical disk device capable of satisfactorily coping with the high speed recording and high density recording of the information. SOLUTION: A magnetic head 3 is furnished with a movement mechanism for moving the generating position of the magnetic field at least including a magnetic pole to the tracking direction. The eccentric component of the magneto-optical disk 1 is extracted from a tracking error signal, and by driving the movement mechanism is accordance with the obtained eccentric component, the tracking is executed so that the magnetic field generating position of the magnetic head 3 follows up to the light beam emitted from the optical pickup 4.
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