Data accumulation system

Details Data accumulation system Data accumulation system

1972-08-28

1976-11-30

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Record copying

360 16, G11B 586

Patent

active

039953130

ABSTRACT:
A system using a recording medium for accumulating data to be fed to electronic data processing equipment. The system includes homogeneous permanent magnet material master source documents capable of being magnetized throughout in discrete patterns providing external magnetic fields representative of encoded data. The permanent magnet material has a coercivity of not less than 1000 oersteds and a maximum energy product of not less than 5 .times. 10.sup.5 gauss-oersteds. The data is recorded onto a recording medium momentarily positioned adjacent the documents. The data is subsequently sensed from the recording medium to produce electrical signals to be processed in data processing equipment. In one embodiment customer and transaction data are magnetically recorded onto the recording medium.

REFERENCES:
patent: 3037090 (1962-05-01), Bouzemburg
patent: 3341854 (1967-09-01), Supernowicz
patent: 3401394 (1968-09-01), Leonard et al.
patent: 3496304 (1970-02-01), Nelson
patent: 3571527 (1971-03-01), Becker et al.
patent: 3617648 (1971-11-01), Irving

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