Record carrier having an optically readable information...

Details Record carrier having an optically readable information... Record carrier having an optically readable information...

G - Physics

11

B

352/32.4

G11B 7/00 (2006.01) G11B 5/82 (2006.01) G11B 7/007 (2006.01)

Patent

CA 1182916

24 ABSTRACT: A record carrier having an optically readable information structure and apparatus for reading said record carrier. A record carrier is described which has an optically readable information structure in which information areas of adjacent information track portions have different phase depths, and an apparatus for reading said record carrier. By a suitable choice of the phase depths and by an electronic phase shift of the signals supplied by the read detectors, cross-talk between adjacent tracks can substantially be eliminated.

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