Calibration of tracking error signal gain in a tracking servo system
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United States of America Patent
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Jun 14, 2005
Issued Date -
N/A
app pub date -
Sep 10, 2001
filing date -
Jan 25, 2001
priority date (Note) -
Expired
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Abstract
A calibration for a tracking error signal gain in a tracking servo system of an optical disk drive is presented. The calibration determines the peak-to-peak tracking error signal when the tracking servo system is open, calculates a gain factor in response to the peak-to-peak tracking error signal, and calculates a new tracking error signal gain based on the tracking error signal gain and the gain factor. New tracking error signal gains are calculated until the gain factor is approximately one.
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