Transaction approval system
US5177342A · kind A · utility
365Cited by
8References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 1990 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Nov 9, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/4037
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
A transaction approval system (10) is disclosed which includes various enhancements to existing systems. For example, the transaction limit (30) stored in the terminal can by dynamically adjusted to vary the level of risk at the terminal to be closer to the desired level of risk. The terminal will also generate and store a list of account numbers (44,46) which might be invalid and should provode an on-line request for authorization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.