Magnetic recording and reproducing apparatus

Details Magnetic recording and reproducing apparatus Magnetic recording and reproducing apparatus

1983-07-13

1985-07-16

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

360134, G11B 502

Patent

active

045300160

ABSTRACT:
Signals are recorded on a magnetic tape having a magnetic recording layer containing a magnetic material whose magnetic permeability or high frequency loss varies with a magnetic field produced therein. Changes in the permeability or high frequency loss produced according to the recording signals are converted into changes in the resonant frequency or Q of a resonant circuit, whereby a reproduced output is obtained.

REFERENCES:
patent: 3051943 (1962-08-01), Simons et al.
patent: 3701133 (1972-10-01), Smaller et al.
patent: 4351010 (1982-09-01), Arai
patent: 4442159 (1984-04-01), Dezawa et al.

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