Magneto resistive magnetic transducers

Details Magneto resistive magnetic transducers Magneto resistive magnetic transducers

1979-06-08

1981-03-31

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360 66, G11B 512, G11B 547

Patent

active

042597030

ABSTRACT:
A magneto resistive transducer arrangement in which a magneto resistive transducer element is biassed by a periodic bidirectional magnetic field. A lack of coincidence between a minimum in the resistance of the element and a zero in the biassing field indicates the presence of an external field. The arrangement may be used for recovering information in a magnetisable record medium.

REFERENCES:
patent: 3814863 (1974-06-01), O'Day et al.
patent: 4075671 (1978-02-01), Cheatham
patent: 4141051 (1979-02-01), Kuijk et al.
patent: 4191977 (1980-03-01), Lewkowicz

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