Customized graphics for dual layer optical discs

Details Customized graphics for dual layer optical discs Customized graphics for dual layer optical discs

1997-03-20

1999-08-31

Neyzari, Ali

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692754, G11B 724

Patent

active

059462868

ABSTRACT:
A dual layer optical disc having images encoded therein. The dual layer optical disc includes a first data layer and a second data layer coupled to the first data layer. An optically viewable image is encoded within the first data layer or the second data layer. The viewable image may be a light contrast, medium contrast, or high contrast image. The first data layer and the second data layer may have a balanced reflectivity rating. In another embodiment, the first data layer and the second data layer have an unbalance reflectivity rating, for varying the visibility of images encoded therein. The dual layer optical disc may further include a second side, having a third data layer and a fourth data layer having an optically viewable image encoded within the third data layer or the fourth data layer. The optically viewable image may be a holographic image.

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