Printable, writeable article for tracking counterfeit and diverted products
US9852317B2 · kind B2 · utility
2Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2015 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Nov 30, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/0776
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An article includes a writeable memory printed on a substrate, a characteristic of the article usable to derive a seed value, and a value stored in the memory, wherein the value is generated by a hashing process using the seed value. The writeable memory may also be a readable memory, and may store more than one value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.