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Coupling loop and method for positioning coupling loop
Coupling loop and method for positioning coupling loop
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机译:耦合环和定位耦合环的方法
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#$%^&*AU2011200363B220111201.pdf#####ABSTRACT A coupling loop or antenna is provided that can be used with a system that determines the resonant frequency of a sensor by adjusting the phase and 5 frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor. The coupling loop includes multiple loops. Preferably two tuned loops are used for transmitting the energizing signal to the sensor and an un-tuned loop is used for receiving the sensor signal from the sensor. A cable attached to the coupling loop provides maximum isolation 10 between the energizing signal and the sensor signal by maximizing the distance between the coaxial cables that carry the signals and maintaining the relative positions of the coaxial cables throughout the cable assembly. Orientation features on the housing for the coupling loop and the sensor are provided to assist in positioning the coupling loop relative to the sensor to maximize the coupling 15 between the sensor signal and the coupling loop. Fig. ILL
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