Dynamic magnetic information storage or retrieval – General recording or reproducing – Recording-or erasing-prevention
Reexamination Certificate
2008-07-01
2008-07-01
Sniezek, Andrew L. (Department: 2627)
Dynamic magnetic information storage or retrieval
General recording or reproducing
Recording-or erasing-prevention
C360S057000, C360S075000, C360S077020, C360S078040
Reexamination Certificate
active
07394607
ABSTRACT:
Embodiments of the invention provide a disk drive capable of writing information on data tracks even more positively when a shingle write method is adopted. In one embodiment, the disk drive is characterized in that, when information is to be written on a plurality of adjacent data tracks on a recording medium through the shingle write method, writing of information is controlled by detecting an actual writing position based on servo information recorded on the recording medium and determining whether or not the detected actual writing position meets a predetermined condition.
REFERENCES:
patent: 6185063 (2001-02-01), Cameron
patent: 2005/0168861 (2005-08-01), Furuhashi
patent: 2006/0227449 (2006-10-01), Che et al.
patent: 2003-263850 (2003-09-01), None
Ohno Jun
Suzuki Noboru
Tanabe Hiroyasu
Tsuyoshi Toshiaki
Duncan Patrick
Hitachi Global Storage Technologies - Netherlands B.V.
Sniezek Andrew L.
Townsend and Townsend / and Crew LLP
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