发明名称 |
Data communication system |
摘要 |
An access control or tolling base station (1) to transponder (2) data exchange system control (9) procedure periodically activates (10) the transponder receiver (5, 6) to listen for the base station activation signal for a longer wait time than the activation signal duration. - INDEPENDENT CLAIM is included for a system using the procedure. |
申请公布号 |
EP0744843(B1) |
申请公布日期 |
2005.05.04 |
申请号 |
EP19960108471 |
申请日期 |
1996.05.28 |
申请人 |
SIMONSVOSS TECHNOLOGIES AG |
发明人 |
SIMONS, OLIVER |
分类号 |
G06K7/00;G07B15/06;G07C9/00;H04B1/16;H04L12/12;H04L12/40;(IPC1-7):H04B7/26;H04L29/02;E05B49/00 |
主分类号 |
G06K7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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