System and method for revaluation of stored tokens in IC cards
US5917168A · kind A · utility
219Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1996 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Apr 18, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F9/002
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A terminal for carrying out at a private location a transaction consisting of alteration of a token value stored in an IC card issued to a cardholder via an on-line transaction session with an operatively compatible terminal at a remote location. The private terminal establishes data links with the IC card and the remote terminal and passes secure authentication and transaction messages between them via these data links, relying on the IC card and the remote terminal for message security.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.