Personal chip card for a mobile radio terminal
US6370374B1 · kind B1 · utility
22Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1999 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Mar 9, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/02
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A mobile radio telephone terminal for communication (voice and data transmission) via a mobile radio telephone network is described in which at least one access number (A) to a telecommunication network service (e.g., calling card service) and a corresponding personal identification number (B) are stored. The mobile radio telephone terminal provides and transmits the access number (A) and the personal identification number (B) after an already-effected authentication to the mobile radio telephone network for communication establishment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.