Servo system for controlling the position of a reading head

Details Servo system for controlling the position of a reading head Servo system for controlling the position of a reading head

G - Physics

11

B

352/21.32

G11B 21/04 (2006.01) G11B 5/48 (2006.01) G11B 5/584 (2006.01) G11B 5/588 (2006.01) G11B 21/10 (2006.01)

Patent

CA 1067997

ABSTRACT: A servo system fur controlling the position of a magnetic reading head relative to the centre of a selected information track. During recording a long-wave positioning signal is recorded below the data signal in the tracks. Upon reading out, the head not only reads the information of the selected track but, as result of cross-talk, also the positioning signals of the adjacent tracks. After filtering out and processing the positioning signals, a control signal for controlling the head is obtained.

231141

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