Method and apparatus for electronic cash transactions
US5438184A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1993 |
| Grant date | Aug 1, 1995 |
| Priority date | — |
| Expiry date | Oct 26, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F7/1008
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A paystation device adapted to be coupled to a transaction terminal for carrying out a transaction between a seller and a buyer using a smart card having a cash token value stored therein and having a current cash token value. A smart card interface accepts insertion of a smart card for reading a current cash token value stored therein and for writing a new cash token value thereto. A display device displays cash amounts. A communication interface communicates data messages between the paystation device and the transaction terminal. A programmed control unit is coupled to and operates the smart card interface, the display device, and the communication interface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.