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

1977-03-04

1977-11-01

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 70, G11B 2104, G11B 2110

Patent

active

040568326

ABSTRACT:
A servo system for controlling the position of a magnetic reading head relative to the center 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.

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