Magnetic transducer for reading and/or recording of data contain

Details Magnetic transducer for reading and/or recording of data contain Magnetic transducer for reading and/or recording of data contain

1981-03-12

1983-04-19

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Head

Core

360122, 360123, G11B 522, G11B 520

Patent

active

043807844

ABSTRACT:
Transducer intended for read and/or write functions on a magnetic data carrier wherein the data is contained within a plurality of tracks. The transducer includes a magnetic circuit formed by two pole pieces separated by a gap parallel to the carrier, having its larger dimension perpendicular to the direction of travel of data on a track and a winding coupled magnetically to this circuit. The transducer is characterized in that it comprises means associated with the pole pieces situated at either side of the gap as seen in the direction of its larger dimension, for channelling the magnetic flux emitted by the immediate magnetic surroundings of the track of the carrier read by the transducer.

REFERENCES:
patent: 3353168 (1967-11-01), Poumakis
patent: 3700827 (1972-10-01), Nagao
patent: 3975771 (1976-08-01), Lazzari
patent: 4016601 (1977-04-01), Lazzari
patent: 4149205 (1979-04-01), Berghof et al.
IBM, TDB, F. L. Rogers, Jr., Write-Wide, Read-Narrow Magnetic Head, vol. 4, No. 10, Mar. 1962, p. 29.
IBM, TDB, L. F. Shrew, Increased Density Magnetic Recording, vol. 2, No. 2, Aug. 1959, p. 35.
IBM Tech. Disc. Bull., C. H. Stapper et al., Low Noise Magnetic Recording Head, vol. 8, No. 4, Sep. 1965, pp. 499-500.

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