Method and apparatus for tracking servo system

Details Method and apparatus for tracking servo system Method and apparatus for tracking servo system

2005-01-11

2005-01-11

To, Doris H. (Department: 2655)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044280, C369S053230, C369S053280

Reexamination Certificate

active

06842407

ABSTRACT:
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 from the first correction a second correction non-proportional to the displacement, generating a third correction from an amplified tracking error signal and generating a driving force proportional to the sum of the second and third corrections, driving the pick-up head to follow the information track.

REFERENCES:
patent: 6104681 (2000-08-01), Yonezawa
patent: 6341107 (2002-01-01), Watanabe

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