Optical disc and apparatus for reproducing signals recorded on t

Details Optical disc and apparatus for reproducing signals recorded on t Optical disc and apparatus for reproducing signals recorded on t

1992-10-21

1994-01-18

Dzierzynski, Paul M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692753, 369 99, 369 43, 369 4426, G11B 700

Patent

active

052804666

ABSTRACT:
An optical disc is provided with: a signal track formed on a signal recording surface of the optical disc; and a plurality of cross-talk detection areas each formed on a portion of the signal track and including pits for detecting a cross-talk. The signals are recorded on areas of the signal track other than the cross-talk detection areas. An apparatus for reproducing the signals recorded on the optical disk, is provided with: a device for receiving the reflected light and for generating read signals; a device for detecting the cross-talk detection areas, and for extracting signal components of the pits for detecting the cross-talk; a device for performing a predetermined operation on the extracted signal components and for generating a control signal; and a device for receiving the read signals and the control signal and for deriving a reproduced signal in which the cross-talk is eliminated.

REFERENCES:
patent: 5181161 (1993-01-01), Hirose et al.

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