Verification of a portable consumer device in an offline environment
US8386349B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2007 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Jan 27, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/40
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portable consumer device includes a base, and a computer readable medium on the base. The computer readable medium comprises code for an issuer verification value and a supplemental verification value. The issuer verification value is used by an issuer to verify that the portable consumer device is authentic in an on-line transaction and the supplemental verification value is used to verify that the portable consumer device is authentic in an off-line transaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.