Patent · US Expired

Method for spreading parameters in offline chip-card terminals as well as corresponding chip-card terminals and user chip-cards

US6726100B2 · kind B2 · utility

11Cited by

8References

21Claims

0Family size

Assignee

Swisscom Mobile AG · CH

Inventors

Eric Lauper · Bern, CH
Renato Cantini · Belfaux, CH

Key dates

Filing date	Sep 10, 2002
Grant date	Apr 27, 2004
Priority date	—
Expiry date	Oct 31, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG06Q20/4033
WIPO fieldControl
WIPO sectorInstruments

Abstract

Method for updating time-limited parameters (50), in particular lists of blocked user chip-cards, in offline chip-card terminals (5), in which said parameters are updated with the user chip-cards (4) used in said offline chip-card terminal (5).Advantage: the offline terminals do not have to be inspected manually.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.