Magnetic head for azimuth recording in a high density magnetic r

Details Magnetic head for azimuth recording in a high density magnetic r Magnetic head for azimuth recording in a high density magnetic r

1988-03-30

1990-01-30

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Core

G11B 5147

Patent

active

048977489

ABSTRACT:
A magnetic head for the video tape recorder of azimuth recording type, which features an improved S/N ratio in the overwrite region and assures a high picture quality has a magnetic core for defining a magnetic gap in this head which is made of a plurality of magnetic materials differing in saturation flux density in the direction of track width, with the material having a higher saturation flux density being disposed on the overwriting side of the head. This arrangement permits recording to a greater depth than the depth of magnetization by previous recording to assure an improved picture quality with a higher S/N ratio.

REFERENCES:
patent: 3365709 (1968-01-01), Gooch
patent: 3673353 (1972-06-01), Tiemann et al.
patent: 4156882 (1979-05-01), Delagi et al.
patent: 4769729 (1988-09-01), Kumasaka et al.

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