Invention Grant
US08643493B1 Child monitoring system 失效
儿童监护系统

Child monitoring system
Abstract:
A monitoring pendant is coupled to a person, thing or animal being monitored and is adapted to transmit and receive signals to and from a key chain fob and to and from a base unit. The key chain fob is coupled or integrated into something a guardian would carry such as a set of keys, cell phone or electronics and is adapted to transmit and receive signals to and from the monitoring pendant and to and from the base unit. The base unit is coupled to the vehicle and is adapted to transmit and receive signals to and from the monitoring pendant and to and from the key chain fob.
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