Read-after-write head

Details Read-after-write head Read-after-write head

1975-12-22

1978-02-07

Kilgore, Robert M.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 520

Patent

active

040729940

ABSTRACT:
There is disclosed a read-after-write head for use in reproducing information immediately after recording, which comprises a recording or writing core and a reproducing or reading core arranged in the head. A dummy core is juxtaposed to the reproducing core, and a winding of some turns is wound on the dummy core in one sense to be connected in series with the winding wound on the reproducing core in another sense. The voltage induced in the reproducing core due to the cross-field is cancelled by the voltage induced in the dummy core, with the result that the cross-field between the recording and reproducing cores is reduced.

REFERENCES:
patent: 2689274 (1954-09-01), Saeger
patent: 3287713 (1966-11-01), Porter
patent: 3959824 (1976-05-01), Ohi

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