Optical disc device and disc reproducing method

Details Optical disc device and disc reproducing method Optical disc device and disc reproducing method

2011-01-11

2011-01-11

Young, Wayne R (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S094000

Reexamination Certificate

active

07869322

ABSTRACT:
The first layer (DVD layer) is first reproduced using the red layer light. Thereafter, search for the second layer (HDDVD layer) is performed with the blue laser light in accordance with the reproducing operation being temporarily interrupted for menu display (display for chapter or language selection). If the second layer is detected, a display indicating that the second layer can be selected is displayed over the menu display. If instruction to reproduce the second layer is input from the user according to the display, the reproducing operation of the first layer using the red laser light is switched to the reproducing operation of the second layer (HDDVD layer) using the blue laser light.

REFERENCES:
patent: 6320840 (2001-11-01), Oh et al.
patent: 6373807 (2002-04-01), Ohtaki et al.
patent: 6469965 (2002-10-01), Horita
patent: 7355944 (2008-04-01), van de Grampel et al.
patent: 2005/0117465 (2005-06-01), Kishimoto et al.
patent: 2003-346348 (2003-12-01), None

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