发明授权
US5872520A Identification and/or sensor system 失效
识别和/或传感器系统

Identification and/or sensor system
摘要:
An identification and/or sensor system includes a sensor that queries an identification and/or sensor configuration which contains resonators. A receiver receives an answer signal from the identification and/or sensor configuration. The receiver includes a phase-locked loop for converting a resonator decay signal into a signal of constant frequency and constant envelope curve.
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