Dynamic magnetic information storage or retrieval – General processing of a digital signal – Head amplifier circuit
Reexamination Certificate
2006-10-24
2006-10-24
Wellington, Andrea (Department: 2627)
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Head amplifier circuit
C360S048000, C360S075000
Reexamination Certificate
active
07126772
ABSTRACT:
Provided is a data storage device in which servo track pitch varies within a predetermined region in a radial direction of a disk-shaped storage medium.
REFERENCES:
patent: 2004/0136104 (2004-07-01), Chiao et al.
patent: 10027443 (1998-01-01), None
patent: 2000322848 (2000-11-01), None
Saikawa Manabu
Yanase Hirofumi
Davidson Dan I
Duncan Patrick
Hitachi Global Storage Technologies - Netherlands B.V.
Wellington Andrea
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