Optical disc for data storage with invisible tracks and...

Details Optical disc for data storage with invisible tracks and... Optical disc for data storage with invisible tracks and...

2008-04-01

2008-04-01

Psitos, A M (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S275400

Reexamination Certificate

active

09178508

ABSTRACT:
An optical disc and a method of making the same are provided in which the tracks on the disc are not numbered in strict numeric sequence. For example, a disc may contain only odd or only even numbered tracks, or tracks numbered 11 to 20. This is accomplished by providing invisible tracks in the positions of the tracks missing from the listing. Invisible tracks are of minimal length such that the invisible tracks are counted by a disc playing device, but will seem to a listener to be missing when the device plays the disc.

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patent: WO-9516990 (1995-06-01), None

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