FIELD: banks and miscellaneous offices dealing with securities and important documents. SUBSTANCE: measures include covering banknotes with protective code by scanning banknote material microstructure, determining vector of this banknote identifier, its encoding with digital electronic signature, encoding, and printing on denomination. EFFECT: improved effectiveness of forgery protection. 4 cl, 10 dwg
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Authors
Dates
1997-08-27—Published
1994-01-11—Filed