Electronic head adjust system for removable magnetic discs

Details Electronic head adjust system for removable magnetic discs Electronic head adjust system for removable magnetic discs

1974-10-24

1976-04-27

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 78, 360 98, 360105, G11B 554, G11B 558

Patent

active

039538893

ABSTRACT:
Means for making field alignment of transducers with reference tracks prerecorded on a master disc comprising a source of regulated voltage, a separate potentiometer associated with each selected transducer, a separate switch coupling each potentiometer to a summing junction of a positioner servo-control circuit common to all transducers, and means responsive to transducer selecting signals for turning on the coupling switch of the associated potentiometer.

REFERENCES:
patent: 3733592 (1973-05-01), Applequist et al.
patent: 3737883 (1973-06-01), Sordello et al.
patent: 3753254 (1973-08-01), Ruble et al.
patent: 3787644 (1974-01-01), Schneider
patent: 3789378 (1974-01-01), Bonzano
patent: R25719 (1965-01-01), Johnson et al.

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