Method and means for using additional cards in a mobile station
US6612498B1 · kind B1 · utility
87Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2000 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Mar 9, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/0069
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A mobile station (MS) that includes an interface card slot (SLOT) to which it is possible to connect either an MMC-card or a small SIM-card. To connect the small interface card a separate adapter the size of an MMC-card is used, or, in addition to the first contact pins for use of an MMC-card, second contact pins for use of a SIM-card are arranged to the interface card slot. The operating voltage of the interface card is selected to fit the currently used interface card. In some embodiments of the present invention at least partially shared contact pins, which have been multiplexed, are being used to connect MMC- and SIM-cards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.