Method and apparatus for generating summaries of prepaid instrument transaction activity
US5651116A · kind A · utility
16Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 18, 1995 |
| Grant date | Jul 22, 1997 |
| Priority date | — |
| Expiry date | Sep 18, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K19/072
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Method of communication between a processing unit associated with an applications program and portable information carriers of different types. It consists in adding a communications layer between the applications program and the carriers, so as to only one communications protocol in the applications program to access the carriers, whatever may be their type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.