Magnetic tape copying method and apparatus

Details Magnetic tape copying method and apparatus Magnetic tape copying method and apparatus

1976-04-14

1978-06-20

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

G11B 586

Patent

active

040965325

ABSTRACT:
In magnetic tape copying method and apparatus wherein a slave tape heated to a temperature near the Curie point and a master tape having a signal recorded thereon are put together with their magnetic surfaces in contact with each other and then cooled, an improvement of reheating the slave tape, after the completion of the transfer, under a smaller tension than that applied during the transfer at a temperature lower than the Curie point to prevent the occurence of skew distortion on a reproduced picture due to deformation with the passage of time of the slave tape.

REFERENCES:
patent: 3364496 (1968-01-01), Greiner et al.
patent: 3947872 (1976-03-01), Asai
patent: 3971069 (1976-07-01), Hanai et al.

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