Automatic magnetic record sheet copying apparatus

Details Automatic magnetic record sheet copying apparatus Automatic magnetic record sheet copying apparatus

1975-03-24

1977-04-26

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

360 2, 235 6111D, G11B 2504, G11B 580

Patent

active

040205045

ABSTRACT:
In an automatic magnetic record sheet copying apparatus in which a master sheet having a master magnetic record thereon is pressed together with a blank magnetic copy sheet and an external magnetic field is superimposed thereon to enhance duplication of the magnetic record onto the copy sheet, means are provided for automatically transferring blank copy sheets from a supply of such sheets to a copying station wherein the duplication of the master record onto the blank copy sheet is effected and for automatically transferring the recorded copy sheet to a discharge station. The apparatus precisely positions the copy sheet together with the master magnetic record to ensure that the duplicated magnetic record on the copy sheet is precisely located thereon.

REFERENCES:
patent: 2247905 (1941-07-01), Bryce
patent: 2999907 (1961-09-01), Hoshino et al.
patent: 3070374 (1962-12-01), Nakamatsu
patent: 3602649 (1971-08-01), Rin
patent: 3721775 (1973-03-01), Fujimoto et al.

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