发明名称 PROCEDE DE LOCALISATION D'UN BADGE POUR UN SYSTEME MAIN LIBRE D'UN VEHICULE AUTOMOBILE
摘要 <p>A method for locating a badge for a motor vehicle handsfree system includes transmission in the form of an inquiry of a signal by a first group of antennas of the vehicle to the tag, response of the tag to this first inquiry, transmission in the form of an inquiry of a signal by a second group of antennas of the vehicle to the tag, and response of the tag to this second inquiry. In responding to the first inquiry, the tag stores for a predetermined time span the fact that it has responded to a signal transmitted by an antenna of the first group of antennas. The response made to the second inquiry may include a cue indicating that a response has already been transmitted following an inquiry originating from the first group of antennas.</p>
申请公布号 FR2826732(B1) 申请公布日期 2003.09.26
申请号 FR20010008470 申请日期 2001.06.27
申请人 SIEMENS AUTOMOTIVE SA 发明人 BRILLON ALAIN
分类号 B60R25/24;(IPC1-7):G01S11/06;E05B65/12;E05B49/00;B60R25/00;E05B65/36 主分类号 B60R25/24
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