Hybrid optical disc

Details Hybrid optical disc Hybrid optical disc

2006-07-11

2009-10-27

Young, Wayne R (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S059250, C369S275300, C386S349000

Reexamination Certificate

active

07609598

ABSTRACT:
Hybrid optical disc has a DVD layer and a HDDVD layer in a laminating direction. When regional assignments as shown in FIGS.5A and5B are applied to these layers, regional information in the DVD layer contains “1” in the bit position corresponding to Code2and Code3, and the HDDVD layer contains “1” in the bit position corresponding to Code p, Code q, and Code r+1 through r+4. Thereby, any one of contents recorded in the two layers can be reproduced in Japan, Greenland, Korea, and Southeast Asia nations.

REFERENCES:
patent: 6141483 (2000-10-01), Yamada et al.
patent: 2005/0198115 (2005-09-01), Sugimoto et al.
patent: 2002216391 (2002-08-01), None
patent: 2004-185724 (2004-07-01), None
Machine translation of JP 2002-216391A into English, Suzuki.

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