Optically coded document and method of making same

Details Optically coded document and method of making same Optically coded document and method of making same

1977-11-07

1979-08-07

Abercrombie, Willie G.

Printed matter

Calendar

283 8B, B42D 1500

Patent

active

041635701

ABSTRACT:
A document is disclosed, which comprises an information carrier in which information is recorded as optical markings. The information carrier has a shape-memorizing capability actuated by supplying energy, such as heat, which changes the shape of the information carrier and the optical markings.

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