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US09477858B2 Restraining system including near field RFID detection 有权
限制系统包括近场RFID检测

Restraining system including near field RFID detection
Abstract:
A restraining system comprises a restraining device including first and second interlockable parts that, when interlocked, restrain the system. The restraining system further comprises a passive RFID tag attached to the first part, and a passive RFID reader coupled to the second part for near field detection of the tag within a prescribed range of the second part.
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