Contactless prepaid product for transit fare collection
US8738485B2 · kind B2 · utility
19Cited by
111References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2007 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | May 24, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/0281
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
Transaction processing in an offline environment for a prepaid product comprising a portable consumer device includes responding to presentation of the prepaid product at a reader for offline processing by initiating operation of the prepaid product, receiving data from the prepaid product at the reader that indicates the prepaid product is associated with a prepaid account balance, determining that the prepaid product is in a negative balance condition, and taking preventive action in response to the negative balance condition such that future acceptance of the prepaid product at a reader is prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.