Optical disk carrying tracking information in multiple formats a

Details Optical disk carrying tracking information in multiple formats a Optical disk carrying tracking information in multiple formats a

1991-05-31

1992-11-24

Young, Wayne R.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 4426, 369 4427, 369 4434, 369 58, G11B 724

Patent

active

051669218

ABSTRACT:
An optical disk for information interchange having two distinct areas, one of which is comparatively wider than the other, each of the areas having a different tracking information format, so that an apparatus can analyze the optical disc regardless of the tracking information format implemented in the apparatus. The two areas can be separated by a third disk portion which has no tracking information.

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