Dynamic magnetic information storage or retrieval – Monitoring or testing the progress of recording
Reexamination Certificate
2007-09-11
2007-09-11
Wellington, Andrea (Department: 2627)
Dynamic magnetic information storage or retrieval
Monitoring or testing the progress of recording
C360S075000
Reexamination Certificate
active
10946646
ABSTRACT:
A disk drive including a self-servo writing apparatus is disclosed. The self-servo writing apparatus calculates a pitch of servo tracks constituted on a disk medium by a calculation method using a positional error calculation value based on a reproduction amplitude value of a servo burst pattern signal reproduced by a head.
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Davidson Dan I
Kabushiki Kaisha Toshiba
Pillsbury Winthrop Shaw & Pittman LLP
Wellington Andrea
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