发明名称 |
Transmitting and receiving method, especially for detecting an ID transmitter |
摘要 |
In a transmitting and receiving method, a request signal is transmitted between a first and an additional transmitting and receiving device by means of a bi-directional first communications path. According to the request signal, a second communications path is established for a predetermined time interval and the receiving power in the additional transmitting and receiving device is measured by means of a measuring device.
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申请公布号 |
US7023321(B2) |
申请公布日期 |
2006.04.04 |
申请号 |
US20020237477 |
申请日期 |
2002.09.09 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
BRILLON ALAIN MARC BERNARD;HOFBECK KLAUS;ILG JOHANNES;PIESCH WOLFGANG |
分类号 |
E05B49/00;G08C19/00;B60R25/00;B60R25/10;G07C9/00;H04B7/26 |
主分类号 |
E05B49/00 |
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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