Magnetic printing head having a high signal-to-noise ratio

Details Magnetic printing head having a high signal-to-noise ratio Magnetic printing head having a high signal-to-noise ratio

1981-03-06

1982-07-13

Swann, III, Glen R.

Recorders

Magnetographic

Magnetographic head

360 66, 360123, 365214, G01D 1512, G03G 1900

Patent

active

043397603

ABSTRACT:
The signal-to-noise ratio as measured by the ratio of the full select magnetic field levels to the half select magnetic field levels, is improved in a coincident current magnetic printing head by providing means for producing a bias magnetic field which is at least somewhat opposed to the signal magnetic fields.

REFERENCES:
patent: 3946404 (1976-03-01), Berkowitz et al.
patent: 4001841 (1977-01-01), Berkowitz
patent: 4097871 (1978-06-01), Berkowitz

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