Optical disk copy-protection using an optically changeable...

Details Optical disk copy-protection using an optically changeable... Optical disk copy-protection using an optically changeable...

2006-04-25

2006-04-25

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Storage medium structure

Specified material

C428S064400, C430S270100

Reexamination Certificate

active

07035200

ABSTRACT:
A method and system for providing copy-protected optical medium using a substrate having information stored thereon in information pits and information lands, wherein the information lands comprise lands in two different planes.

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