Financial card authorization system
US5619559A · kind A · utility
21Cited by
7References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 25, 1995 |
| Grant date | Apr 8, 1997 |
| Priority date | — |
| Expiry date | Jul 25, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/4037
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A credit card authorization network which takes advantage of an all digital system to eliminate the need for analog to digital signal conversion. This allows for faster response time as well as reduced telephone charges. A credit card company may operate as an interexchange customer providing trunk protocol executing network access system devices at a Feature Group B access facility.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.