US 6,611,598 · Granted 2003-08-26

Self-authentication of value documents using encoded indices

A method and system as presented by which valuable documents such as checks, deeds, driver's licenses, and other types of valuable documents can be imprinted with encoded symbols by a printer whereupon multiple assemblages of data can be imprinted on the valued document which is then susceptible to readout by a document reader which will automatically authenticate and verify the originator or the document and its authenticity and obviate any attempts for fraudulent alteration.

Fig. 1. Illustration of a payment card. Not this patent’s official drawing.

Patent details

Publication number
US 6,611,598
Filing date
2000-10-16
Grant date
2003-08-26
Assignee
Unisys Corporation
Inventor(s)
HAYOSH THOMAS DAVID
CPC class
B42D25/29

Want to file your own patent?

Run your idea through our free scanner — we’ll show you which existing patents are conceptually closest, including this one if it’s a match.

Free patentability scan