Printed document including bar code authentication system

Details Printed document including bar code authentication system Printed document including bar code authentication system

B - Operations, Transporting

42

D

B42D 15/10 (2006.01) A63F 3/06 (2006.01) B41M 3/00 (2006.01) G06K 9/18 (2006.01)

Patent

CA 2752551

A printed document in which a bar code is imprinted on a surface thereof and entirely covered with a scratch-off layer, the removal of the scratch-off layer reveals the entire bar code thereby enabling easy authentication of the printed document.

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