Optical disc, information playback apparatus, information...

Details Optical disc, information playback apparatus, information... Optical disc, information playback apparatus, information...

2008-05-06

2008-05-06

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S083000, C369S059250

Reexamination Certificate

active

10988572

ABSTRACT:
An optical disc according to one aspect of this invention has a first field to record first version information, and a second field to record second version information obtained by updating the first version information.

REFERENCES:
patent: 6915374 (2005-07-01), Pereira
patent: 7193959 (2007-03-01), Lee et al.
patent: 2002-56543 (2002-02-01), None
patent: 10-2005-0017552 (2005-02-01), None
“120 mm (4,7 Gbytes per side) and 80 mm (1,46 Gbytes per side) DVD Rewritable Disk (DVD-RAM)”, Standard ECMA-330, 2ndEdition, Jun. 2002.

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