A multilayer dual optical disk

Details A multilayer dual optical disk A multilayer dual optical disk

G - Physics

11

B

G11B 23/03 (2006.01)

Patent

CA 2590597

A data disc (40) consists of several layers (42, 44, 45, 46, 48), including at least one layer (46) conforming to a first format, a first protocol, and a second layer (45) conforming to a second format, a second protocol. The formats can include CD, DVD (46), HD a BD formats and the layers may be physical, logic or application layers.

L'invention concerne un disque de données, qui comprend plusieurs couches, dont au moins une couche correspondant à un premier format et une seconde couche correspondant à un second format. Les formats peuvent comprendre des formats CD, DVD, HD et BD, et les couches peuvent être des couches physiques, logiques ou des couches d'application.

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