An automated, real-time, reprogrammable monitoring and control system for portable, remote sensors and subjects includes one or more portable monitoring units, each of the portable monitoring units having a sensor, a location-determining device, and a sensor interface unit. Each sensor interface unit...http://www.google.fr/patents/US5959529?utm_source=gb-gplus-shareBrevet US5959529 - Reprogrammable remote sensor monitoring system
