Self-computing credit card telephone paystation method and system
US4731818A · kind A · utility
48Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1985 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Dec 5, 2005 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M17/023
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method and apparatus for processing a call from a credit card telephone paystation reads magnetic encoded data on a credit card and produces a credit card identification signal. The credit card identification signal is identified as valid prior to enabling the telephone call. Call information data is stored at the telephone paystation including the credit card identification signal, the called number, the time and date of the call and the call duration. The stored call data is transmitted at periodic intervals to a central billing computer upon request by the central billing computer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.