Radiotelephone credit card data communications
US4831647A · kind A · utility
123Cited by
25References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 2, 1987 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Jun 2, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W12/08
- WIPO fieldIT methods for management
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for communicating credit card information read at a mobile radiotelephone unit is disclosed. Data read from a credit card is placed in a variable length error protected format and transmitted from the mobile radiotelephone unit to authorize payment of the radiotelephone call.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.