Magnetic reproducing system

Details Magnetic reproducing system Magnetic reproducing system

1981-08-05

1984-08-07

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Head

Flux gate

360 30, G11B 534, G11B 504

Patent

active

044646917

ABSTRACT:
A magnetic head includes a magnetic body, at least the permeability or high frequency loss of which is changed with changes of the record magnetic field on a magnetic tape, and a coil. A high frequency signal is supplied to a tuned circuit, which includes the coil and a capacitor, and a signal corresponding to the record magnetic field is taken out through the detection of the changes of the voltage of the high frequency signal supplied to the tuned circuit.

REFERENCES:
patent: 3225145 (1965-12-01), Warren
patent: 3246219 (1966-04-01), Devol et al.
patent: 3423742 (1969-01-01), Harris
patent: 3521261 (1970-07-01), Metz
patent: 4182987 (1978-08-01), Moeller

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