Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Mechanism control by the control signal
Reexamination Certificate
2007-07-17
2007-07-17
Psitos, Aristotelis M (Department: 2627)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Mechanism control by the control signal
C369S053210
Reexamination Certificate
active
10153506
ABSTRACT:
An optical disk drive that can automatically adjust an erase power to an appropriate level to keep the error rate low and not to shorten the life of an erasable optical disk. The optical disk drive obtains a reference erasing modulation factor using a test area of the erasable optical disk when the disk is set. While overwriting data in the erasable optical disk, the optical disk drive obtains an erasing modulation factor based on the read signal detected in an erased region from time to time to adjust the erase power so that the erase power continually adjusted to the appropriate level.
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MAT (Machine assisted translation—specification only) of JP 2001-351249.
Mashimo Akira
Shimizu Toshiki
Anderson Kill & Olick PC
Psitos Aristotelis M
TEAC Corporation
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