发明名称 Chip card with integrated time-determining system
摘要 Billing method for billing a call to a user identified with an identification card (2) in a telecommunication network. The duration of the calls is determined by a GPS receiver. The identification card further preferably comprises downloaded scales of charges, the billed amount depending on the determined duration of the call and on the stored scales of charges. Advantage: the determined time can not be falsified by the user.
申请公布号 US2002082992(A1) 申请公布日期 2002.06.27
申请号 US20010962901 申请日期 2001.09.25
申请人 RITTER R. 发明人 RITTER R.
分类号 G06K19/00;G01S5/14;H04M1/00;H04M15/00;H04W4/02;H04W4/24;H04W64/00;H04W88/02;H04W92/08;(IPC1-7):G06F17/60 主分类号 G06K19/00
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