| 摘要 |
<p>15.5.1979 1 PHN 9398 A record carrier is described having an optically readable information structure comprising trackwise arranged information areas which, in the track direction alternate with intermediate areas the information being contained in at least the local length of the information areas of which information structure the average length of the information areas varies, It is demonstrated that by adapting the track period to the average length of the information areas in the tracks, the cross-talk between the tracks may be reduced without essentially reducing the information density.</p> |
