Authentication method for pharmaceutical products having coded packaging
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United States of America Patent
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Oct 9, 2012
Issued Date -
N/A
app pub date -
Mar 26, 2008
filing date -
May 18, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for authenticating a pharmaceutical product, the pharmaceutical product being associated with packaging having disposed thereon or therein coded data including a number of coded data portions, each coded data portion being indicative of an identity of the pharmaceutical product and at least part of a digital signature of at least part of the identity. The method includes, using a sensing device to sense at least one coded data portion. A processor then determines the identity at least one determined signature part, and uses these to authenticate the pharmaceutical product. The coded data is arranged in accordance with at least one layout having n-fold rotational symmetry, where n is at least two. The layout includes n identical sub-layouts rotated 1/n revolutions apart about a centre of rotation. At least one sub-layout includes rotation-indicating data that distinguishes that sub-layout from each other sub-layout
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