Apparatus and method for detecting defect of optical disc

Details Apparatus and method for detecting defect of optical disc Apparatus and method for detecting defect of optical disc

2011-07-19

2011-07-19

Giesy, Adam R (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S053150, C369S044320, C369S044330

Reexamination Certificate

active

07983128

ABSTRACT:
A method for detecting a defect of an optical disc includes steps of: confirming an optical pickup head being accessing data in a track on state; determining a defective region of the optical disc according to a peak-to-peak value of a wobble signal; and, maintaining the optical pickup head being unchanged when the defective region is detected.

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