Input device for scanning documents with magnetic bubble printin

Details Input device for scanning documents with magnetic bubble printin Input device for scanning documents with magnetic bubble printin

1975-03-26

1976-10-26

Lucas, Jay P.

Recorders

Magnetographic

340174TF, G03G 1900

Patent

active

039887391

ABSTRACT:
A scanner transfers information in the form of magnetic characters to a soft magnetic film, and subsequently transfers the information to a storage medium, such as disc, tape, or the like. Use of amorphous and other bubble material is suggested. A bias field is coupled through the magnetic characters to the material in which bubbles are generated and transported.

REFERENCES:
patent: 3793640 (1974-02-01), Potgiesser
patent: 3840865 (1974-10-01), Holtzberg et al.
IBM Tech Disc Bull, vol. 14, No. 7, Dec. 1971, p. 2121; "Bubble Domain Sensor Arrays . . ." Chang et al.

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