Recording medium with restricted playback feature and...

Details Recording medium with restricted playback feature and... Recording medium with restricted playback feature and...

2006-09-05

2006-09-05

Edun, Muhammad (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S275100, C369S059200, C369S053450

Reexamination Certificate

active

07102989

ABSTRACT:
A recording medium, such as a high-density and/or read-only recording medium, such as BD-ROM, capable of preventing unauthorized duplication of data streams, written thereon, onto another medium, such as a BD-RE or BD-R, which includes physical mark information, and to methods and apparatuses for forming, recording, reproducing, and restricting playback of the recording medium to prevent unauthorized duplication.

REFERENCES:
patent: 6266299 (2001-07-01), Oshima et al.
patent: 2002/0001274 (2002-01-01), Nakajima et al.

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