作者: Lauren E. Lewis , Phyo Thinzar , Natasha Bonina , James A. Beaulieu
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摘要: A personal protection device carried or worn by a user has simple actuator button and transmitter operable within mesh network covering monitored environment such as college campus industrial park transmits an exigent assistance call to first responder security DPS (Department of Public Safety) personnel for urgent response. The system deploying monitoring the devices distributes otherwise transfers possession user, that is adapted wearing disposing on in anticipation sudden situation. distribution repository associates with which association temporary subsequent second provide efficient reuse are exchanged no longer needed.