Method for generating a wobble signal in a CD-R drive

Details Method for generating a wobble signal in a CD-R drive Method for generating a wobble signal in a CD-R drive

1997-08-26

1999-12-28

Hindi, Nabil

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 4413, 369 4441, G11B 700

Patent

active

060090596

ABSTRACT:
An output from a left half light-receiving portion C1, C4 of a main-beam photodiode 5 of an optical pickup and an output from a right half light-receiving portion C2, C3 of a main-beam photodiode 5 of an optical pickup are normalized, and the difference between the normalized outputs is calculated.

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