Printable, writeable article for tracking counterfeit and diverted products
US9652644B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2015 |
| Grant date | May 16, 2017 |
| Priority date | — |
| Expiry date | Nov 30, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3231
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A system includes a printed, writeable memory, an initiating computer, the initiating computer having a processor configured to execute instructions that cause the computer to generate an original value, and a memory interface to allow the computer to write the original value to the memory. The system also includes an object to which the printed, writeable memory is attached, the object having a characteristic usable to derive a seed, a reader device having at least one reader to read the original value from the memory, the reader device having at least one reader, the reader to retrieve the original value, and a recipient computer having a processor configured to execute code that causes the processor to generate an authentication value and compare the authentication value to the original value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.