Mobile device having an IC card function
US7641122B2 · kind B2 · utility
2Cited by
5References
33Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 25, 2004 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Jan 8, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
To provide a technology for making it possible to control enable/disable of an IC card function provided in a mobile device. A mobile device including an IC card unit for executing an IC card function, and a communication unit for carrying out communication through a radio telephone line detects a voltage of a battery unit for supplying an electric power to each of the IC card unit and the communication unit, judges whether or not the IC card function can be used in accordance with the detected voltage value, and issues an enable/disable instruction to the IC card unit in accordance with the Judgment results.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.