TRACKING CONTROLLER

摘要

PROBLEM TO BE SOLVED: To provide a tracking controller having the stable and high follower property with respect to a track on an optical disk rotating at a high speed. SOLUTION: The stable compensation signal is obtained in such a manner that the improvement of a tracking error signal made by the compensation signal added to the tracking error signal is obtained by a means for producing the tracking error compensation signal and it is added to the tracking error signal as the tracking error compensation signal by an adding means 14.