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2. 发明授权

US09405949B2 System for interrogating a remotely interrogatable passive sensor integrated into a metal cavity with reduced system loss and interrogation method 有权
标题翻译：用于询问集成到金属腔中的远程可询问无源传感器的系统，具有减少的系统损耗和询问方法
公开(公告)号：US09405949B2
公开(公告)日：2016-08-02
申请号：US14265191
申请日：2014-04-29
申请人： SENSEOR
发明人： Luc Chommeloux , Jean-Michel Friedt , Christophe Droit , Jeremy Masson
IPC分类号： H04Q5/22 , A61N5/00 , G21K5/10 , H01J37/08 , H03B7/14 , G06K7/10 , G01K11/26 , G01S7/40 , G01S13/75
CPC分类号： G06K7/10366 , G01K11/265 , G01S7/40 , G01S13/75
摘要： A system comprises a cavity being reflecting for RF waves and comprises at least one acoustic wave sensor exhibiting a resonance frequency band, coupled to a sensor antenna; and an interrogation/reception device for the sensor. The interrogation/reception device comprises: means for transmitting/receiving an RF signal transmitting within an interrogation frequency band comprising the resonance frequency band of the sensor; at least a first transmission/reception antenna and a second transmission antenna/reception, positioned within the cavity; means for dividing the signal into at least a first RF signal and a second RF signal, the first signal being transmitted to the first transmission/reception antenna and the second signal being transmitted to the second transmission/reception antenna; means for creating a phase-shift between the first RF signal and the second RF signal; means for analysing the power level of the received signal. An interrogation method used in the system is also provided.
摘要翻译：一种系统包括反射用于RF波的空腔，并且包括耦合到传感器天线的表现出共振频带的至少一个声波传感器; 以及用于传感器的询问/接收装置。询问/接收装置包括：发送/接收在包括传感器的共振频带的询问频带内传送的RF信号的装置; 至少第一发送/接收天线和第二发送天线/接收，位于所述空腔内; 用于将所述信号分成至少第一RF信号和第二RF信号的装置，所述第一信号被发送到所述第一发送/接收天线，所述第二信号被发送到所述第二发送/接收天线; 用于在所述第一RF信号和所述第二RF信号之间产生相移的装置; 用于分析接收信号的功率电平的装置。还提供了系统中使用的询问方法。

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