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    • 5. 发明授权
    • Interrogator and interrogation system employing the same
    • 采用相同的询问器和询问系统
    • US08174366B2
    • 2012-05-08
    • US11838091
    • 2007-08-13
    • John P. VolpiLogan ScottWallace A. KluckDavid W. Hensley
    • John P. VolpiLogan ScottWallace A. KluckDavid W. Hensley
    • H04Q5/22
    • G01S13/66A61B90/98A61B2090/0805G01S13/825G01S13/878G06K7/0008G06K17/00G06K2017/0045G06Q10/08G06Q10/087
    • An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the object is an RFID object (e.g., an object with an RFID tag), the interrogators employ signal processing techniques such as precharging the RFID object, and correlating a reference code with a reply code from the RFID object using selected techniques to increase a sensitivity of the interrogator, especially for adverse environments. In other embodiments, the interrogation systems include variations of metal instruments and sponges employed therewith. In yet another embodiment, the interrogation system includes metal interrogators capable of discerning the presence of a metal object, especially in a presence of another metal object.
    • 询问器,辨别对象的存在的方法以及采用该对象的询问系统。 在一个实施例中,询问系统包括与基本命令单元通信以跟踪对象的位置的多个询问器。 在其中物体是RFID物体(例如,具有RFID标签的物体)的另一个实施例中,询问器采用诸如预先对RFID物体进行预充电的信号处理技术,并且使用所选技术将参考码与来自RFID物体的回复码相关联 增加询问器的灵敏度,特别是对于恶劣环境。 在其他实施例中,询问系统包括与其一起使用的金属器具和海绵的变型。 在另一个实施例中,询问系统包括能够识别金属物体的存在的金属询问器,特别是在存在另一金属物体的情况下。
    • 8. 发明授权
    • Interrogator and interrogation system employing the same
    • 采用相同的询问器和询问系统
    • US07671744B2
    • 2010-03-02
    • US11838094
    • 2007-08-13
    • John P. VolpiLogan ScottDavid W. Hensley
    • John P. VolpiLogan ScottDavid W. Hensley
    • G08B13/14
    • G01S13/66A61B90/98A61B2090/0805G01S7/40G01S13/825G01S13/878G06K7/0008G06K17/00G06K2017/0045G06Q10/08G06Q10/087
    • An interrogator, methods of discerning the presence of an object, and interrogation systems employing the same. In one embodiment, the interrogation systems include multiple interrogators that communicate with a base command unit to track a location of an object. In another embodiment wherein the object is an RFID object (e.g., an object with an RFID tag), the interrogators employ signal processing techniques such as precharging the RFID object, and correlating a reference code with a reply code from the RIFD object using selected techniques to increase a sensitivity of the interrogator, especially for adverse environments. In other embodiments, the interrogation systems include variations of metal instruments and sponges employed therewith. In yet another embodiment, the interrogation system includes metal interrogators capable of discerning the presence of a metal object, especially in a presence of another metal object.
    • 询问器,辨别对象的存在的方法以及采用该对象的询问系统。 在一个实施例中,询问系统包括与基本命令单元通信以跟踪对象的位置的多个询问器。 在其中物体是RFID物体(例如,具有RFID标签的物体)的另一实施例中,询问器采用诸如预先对RFID物体进行预充电的信号处理技术,并且使用所选技术将参考码与来自RIFD物体的回复码相关联 增加询问器的灵敏度,特别是对于恶劣环境。 在其他实施例中,询问系统包括与其一起使用的金属器具和海绵的变型。 在另一个实施例中,询问系统包括能够识别金属物体的存在的金属询问器,特别是在存在另一金属物体的情况下。