Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Reexamination Certificate
2006-10-20
2010-10-19
Negrón, Daniell L (Department: 2627)
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
Reexamination Certificate
active
07817515
ABSTRACT:
Within a disk recording/reproducing apparatus for improving a transfer rate when recording/reproducing, and an alternation process method for a disk for it, for recording or reproducing information onto/from an optical disk100, while conducting a alternation on a defect block within a user data recording area into an alternation area, a controller500determines an alternation destination where data of an alternation origin are recorded therein, or a drive speed during the alternation process, upon basis of the position of the alternation origin on the optical disk, when conducting the alternation process. The alternation destination is determined upon basis of an intermediate position (rmid) of the disk, when the optical disk includes alternation areas on an innermost periphery and an outermost periphery thereof, and when it is conducted with CAV recording, on the other hand it is determined upon basis of an inner/outer peripheral rotation speed average position (rav) of the disk, when being conducted with CLV recording. Or, the drive speed during the alternation process is determined on the position of the alternation origin, upon basis of a drive speed inner peripheral rotation speed average position (rint), when the optical disk includes the alternation area only on the innermost periphery thereof, and when it is conducted with CLV recording.
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Shimizu Kikuo
Suzuki Motoyuki
Antonelli, Terry Stout & Kraus, LLP.
Gupta Parul
Hitachi , Ltd.
Hitachi-LG Data Storage, Inc.
Negrón Daniell L
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