Magnetic reproduction system utilizing magnetic body as capacito

Details Magnetic reproduction system utilizing magnetic body as capacito Magnetic reproduction system utilizing magnetic body as capacito

1983-04-14

1986-06-03

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Flux gate

360 30, 360110, G11B 534, G11B 504

Patent

active

045933324

ABSTRACT:
A capacitance element includes as an interelectrode substance a magnetic body for detecting a magnetic field formed by a magnetic recording medium. A tuned circuit includes the capacitance element as a tuning element and receives a signal from a high-frequency oscillator. The magnetic characteristics of the magnetic body change with changes in the magnetic field formed by the magnetic recording medium. The high-frequency signal output from the tuned circuit changes with changes in the magnetic characteristics of the magnetic body. A detecting circuit detects the changes in the high-frequency signal output so as to reproduce signals recorded on the magnetic recording medium.

REFERENCES:
patent: 2918534 (1959-12-01), Wiegand
patent: 3842407 (1974-10-01), Argyle et al.
patent: 4120011 (1978-10-01), Kolb
patent: 4182987 (1980-01-01), Moeller
patent: 4280158 (1981-07-01), De Niet
patent: 4286216 (1981-08-01), Auld et al.
patent: 4464691 (1984-08-01), Sawazaki et al.

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