Registers – Systems controlled by data bearing records
Reexamination Certificate
2011-04-12
2011-04-12
Trail, Allyson N (Department: 2876)
Registers
Systems controlled by data bearing records
C235S462450, C235S472010
Reexamination Certificate
active
07922075
ABSTRACT:
A sensing device for use with a security document is disclosed. The security document has disposed thereon or therein coded data including a plurality of coded data portions. Each coded data portion is indicative of an identity of the security document and a signature part. The signature part is a part of a digital signature of at least the identity. The sensing device has a sensor for sensing coded data portions and a processor. The processor determines, using sensed coded data portions, a sensed identity, a plurality of signature parts, and an identifier for each signature part, generates a sensed signature from the plurality of signature parts by arranging signature parts according to respective identifiers, determines a generated identity from the sensed signature, and authenticates the security document by comparing the sensed identity and the generated identity.
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Lapstun Paul
Silverbrook Kia
Silverbrook Research Pty Ltd
Trail Allyson N
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