| 摘要 |
The present invention provides a method for guiding a pick-up head to follow an information track. The method comprises the steps of sensing and sending notification of displacement between the pick-up head and the center of the information track, generating a first correction directly proportional to the displacement, generating a second correction non-proportional to the displacement and generating a driving force proportional to the sum of the first and second correction, driving the pick-up head to follow the information track.
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