发明名称 System for electronic payment and monitoring of fees
摘要 A system for the payment and monitoring of fees which includes a personal device carried by a user and a monitoring device which communicates with the personal device to confirm/ascertain that the personal device has been activated to deduct the required fee.
申请公布号 US2005021459(A1) 申请公布日期 2005.01.27
申请号 US20040487530 申请日期 2004.09.08
申请人 BELL JOHN DAVID 发明人 BELL JOHN DAVID
分类号 G07B15/02;G07F7/08;G07F7/10;(IPC1-7):G06F17/60 主分类号 G07B15/02
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