Process, magnetic transducer and system for generating a magneti

Details Process, magnetic transducer and system for generating a magneti Process, magnetic transducer and system for generating a magneti

1979-12-18

1982-04-06

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Hall effect

360115, G11B 512

Patent

active

043239404

ABSTRACT:
A process for generating a magnetic induction field within a magnetic medium. A magnetic energizing field and a selection wave are caused to act at the same time at each point on a path of at least one unsaturated portion of the magnetic medium, in such manner as to modify the magnetic properties of the medium at this point and so as to produce therein the said induction field. The process is applicable to devices for generating a magnetic field utilized in magnetic data recording systems.

REFERENCES:
patent: 3671681 (1972-06-01), Stauffer
patent: 3723665 (1973-03-01), Lazzari et al.
patent: 3846841 (1974-11-01), Lazzari et al.
patent: 4138702 (1979-02-01), Magnenet
IBM/TDB vol. 17, No. 11, Apr. 1975, pp. 3498-3500, "Six Acoustic Transducers . . . " by Bajorek et al.
IBM/TDB vol. 12, No. 8, Jan. 1970, p. 1304, "Magnetic Recording . . . " by Wellbrock.
IBM/TDB vol. 21, No. 2, Jul. 1978, pp. 667-668, "Magnetic Read/Write Thin Film Head . . . " by Brunsch et al.
IEEE proceedings, Sep. 1966, pp. 1216-1217, "A Magnetostrictive Device for Use in Scanning" by Chin.

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