Transducer positioning system

Details Transducer positioning system Transducer positioning system

1976-12-13

1978-04-18

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 2110

Patent

active

040854272

ABSTRACT:
A transducer positioning system wherein a pair of position information signals are first processed by means which tend to equalize the offset errors in each, the signals then being further processed by peak detection circuitry, the peak detection responses thereof being matched as by suitably matching appropriate transistor pairs therein so that offset errors arising with respect to each signal during the peak detection operations are made substantially equal. The peak detected signals are then suitably combined so that the substantially equalized offset errors are effectively eliminated and good temperature stability is maintained. Automatic gain control feedback circuitry using double-integration techniques is also utilized for assuring better position accuracy.

REFERENCES:
patent: 3534344 (1970-10-01), Santana
patent: 3893180 (1975-07-01), Braun et al.

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