Magnetic recording reproducing apparatus with field generating m

Details Magnetic recording reproducing apparatus with field generating m Magnetic recording reproducing apparatus with field generating m

1977-04-19

1978-08-29

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

G11B 586

Patent

active

041107977

ABSTRACT:
Informations recorded in a master medium are first magnetically transferred to a temporary copy medium. The transferred informations are repeatedly reproduced with at least one reproducing magnetic head. The feature of the invention resides in the magnetic transfer means wherein the magnetic transfer field is generated from mechanically rotating or oscillating permanent magnet means.

REFERENCES:
patent: 3277244 (1966-10-01), Frost
patent: 3566786 (1971-03-01), Kaufer et al.
patent: 3617648 (1971-11-01), Irving et al.
patent: 3869711 (1975-03-01), Bernard et al.

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