Signalization of types of defects of an optical information carr

Details Signalization of types of defects of an optical information carr Signalization of types of defects of an optical information carr

1995-05-16

1996-01-16

Hindi, Nabil Z.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 58, 369 32, G11B 700

Patent

active

054854440

ABSTRACT:
A process and an arrangement for identifying the type of defects in optical information from an optical information carrier includes circuitry for detecting the displaying various types of defects which can occur in the information carrier. A processing circuit is linked to a display device to enable the cause of the defect to be displayed. The invention facilitates evaluation of the fidelity of reproduction of optical information carriers,

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patent: 5212677 (1993-05-01), Shimot et al.
patent: 5270880 (1993-12-01), Ottesen et al.
patent: 5303219 (1994-04-01), Kulakowski et al.
Elektor Electronics, vol. 15, No. 171 Oct 1989, Canterbury pp. 12-15 Giffard "CD Error Detector".
IBM Technical Journal, vol. 31 No. 8, Jan. 1989, New York pp. 128-130 "Multi-Threshold Surface Ananysis Tester".

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