Method and apparatus of determining bias voltage of servo signal in optical disc drive
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United States of America Patent
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Sep 7, 2010
Grant Date -
Oct 18, 2007
app pub date -
Apr 10, 2007
filing date -
Apr 10, 2006
priority date (Note) -
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Abstract
A method for determining a bias voltage of a servo signal of an optical disc drive is disclosed. The method includes: generating a plurality of sensing signals via an optical sensor of the optical disc drive; generating a first and a second servo signals according to the sensing signals; adjusting the first and the second servo signals to generate a first and a second adjusted signal respectively; and determining the bias voltage of the servo signal according to the first and the second adjusted signals.
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