Invention Grant
US09594933B2 Printable, writeable article for tracking counterfeit and diverted products 有权
可打印的,可写的文章,用于跟踪假冒和转移产品

Printable, writeable article for tracking counterfeit and diverted products
Abstract:
A device includes a first reader capable of reading a seed value from an object, a second reader capable of accessing and retrieving an original value from a printed memory attached to the object, a memory in which is stored at least one authentication value, and a processor to generate an authentication value from the seed value, compare the authentication value to the seed value, and determine a status of the object.
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