Combined magnetic head having recording and playback cores

Details Combined magnetic head having recording and playback cores Combined magnetic head having recording and playback cores

1977-07-11

1979-06-26

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Head

Plural gaps

360125, G11B 527

Patent

active

041594932

ABSTRACT:
A single magnetic head assembly having vertically stacked separate units of recording and playback cores is comprised of a first unit of at least one recording cores, and a second unit of at least one playback core which is located in stacked positional relationship relative to the first unit. These units of cores are arranged to be jointly shifted vertically to meet the required track of the magnetic tape when used, to thereby utilize that particular unit of cores optimum for recording or playback, as desired.

REFERENCES:
patent: 3167618 (1965-01-01), Oster et al.
patent: 3242556 (1966-03-01), Broughton
patent: 3358276 (1967-12-01), Schulte
patent: 3440359 (1969-04-01), Page et al.
patent: 3564153 (1971-02-01), Kronfeld
patent: 3668669 (1972-06-01), Marino et al.
patent: 3824622 (1974-07-01), Kashimoto
patent: 3829895 (1974-08-01), Tanaka et al.
patent: 3969770 (1976-07-01), Cavallari
patent: 3978523 (1976-08-01), Tanaka et al.
patent: 3983579 (1976-09-01), Nishinakagawa

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