Method and system for time compensation of re-writeable...

Details Method and system for time compensation of re-writeable... Method and system for time compensation of re-writeable...

2007-11-27

2007-11-27

Edun, Muhammad (Department: 2627)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Control of information signal processing channel

C369S047220, C369S047280, C369S059100, C369S275300

Reexamination Certificate

active

11467609

ABSTRACT:
An optical medium storage device improves the usable life of re-writable optical storage mediums, such CD-RW, DVD+RW and DVD-RAM disks, by adjusting write parameters to compensate for time between an initial write on the optical storage medium and the current time, with adjusted write parameters fine-tuning signal-to-noise ratios and improving the number of reliable overwrites for the optical storage medium. A time compensator determines the time delta between an initial write on the optical storage medium, such as formatting of the medium, and the current time, and then applies the time delta to determine a time compensation factor that adjust the write parameters of a focused laser beam that writes information to the optical storage medium

REFERENCES:
patent: 6154437 (2000-11-01), Utsunomiya et al.
patent: 6407976 (2002-06-01), Nagara et al.
patent: 6445669 (2002-09-01), Hattori et al.
patent: 6469968 (2002-10-01), Van Den Enden et al.
patent: 6912187 (2005-06-01), Steenbergen
patent: 7102968 (2006-09-01), Steenbergen

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