Electromagnetic transducer head assembly

Details Electromagnetic transducer head assembly Electromagnetic transducer head assembly

1982-11-09

1985-09-17

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of the amplifier

G11B 502

Patent

active

045424225

ABSTRACT:
An electromagnetic transducer head assembly for use in magnetic recording comprises a ferromagnetic core structure (1'; 30) having a magnetic gap and a winding (1"; 31) mounted on the core structure. A capacitor (3; 34) is mounted in proximity to and connected to the winding to form a resonance circuit. An amplifier circuit (4; 38) is also mounted in proximity to and connected to the resonant circuit for generating an alternating current in the winding.

REFERENCES:
patent: 2980768 (1961-04-01), Ehrer
patent: 3346821 (1967-10-01), Swyryd
patent: 3347996 (1967-10-01), Uchikoshi
patent: 3351716 (1967-11-01), Hirota
patent: 3354270 (1967-11-01), Smith et al.
patent: 3666893 (1972-05-01), Fujiwara et al.
patent: 3723669 (1973-03-01), Bose et al.
Tietze/Schenk, Holbleiter-Schaltungs-Technik, 2nd Edition Springer-Verlag Berlin, Heidelberg, New York, 1971, p. 367.
Funkschau, vol. 50, No. 25, Dec. 1978, pp. 117-120, Munich, DE; G. Corinth: "Ein Hochwertiger Magnetton-Aufsprechverstarker", p. 118, Line 4-p. 120, Middle Column, Line 5, FIGS. 3-4.
IBM Technical Disclosure Bulletin, vol. 8, No. 3, Aug. 1965, pp. 359-360, New York, US; A. T. Germano et al., "Transducer Head Assembly Including Modified Field Effect Coupling", Whole Document.

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