METHOD FOR CALIBRATING A TRACKING ERROR SIGNAL OF AN OPTICAL DISK DRIVE

  • US 20080094975A1
  • Filed: 09/25/2007
  • Published: 04/24/2008
  • Est. Priority Date: 10/24/2006
  • Status: Active Grant
First Claim
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1. A method for adjusting a tracking error signal of an optical disk drive, comprising:

  • applying a pickup head control signal to move a pickup head during a calibration process;

    generating the tracking error signal while the pickup head moves;

    sampling the tracking error signal and determining a characteristic value of the tracking error signal;

    generating an adjustment signal according to the characteristic value and a target value; and

    adjusting the tracking error signal according to the adjustment signal.

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