作者: Hoyt M. Layson , Peter Lefferson , David S. Segal
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摘要: A body worn transmitter and its associated portable monitoring receiver receiving global position signals, is provided with tamper detection to support twenty-four hour violation reporting from a subject under community supervision moves about the community. The incorporates active radio frequency sensors determine if has either been removed subject's or attachment strap experienced tampering for purpose of removal body. signal encrypted in order prevent recording retransmission an purposes masking make falsely appear different location. can be immersed electrolyte solutions without generating false signal.