Invention Grant
US08194592B2 Wireless monitoring and alarm system 有权
无线监控和报警系统

Wireless monitoring and alarm system
Abstract:
A monitoring system includes a multi-hop time division multiple access communication system to link a control unit wirelessly and redundantly with a plurality of modules. Communications to modules occur during predetermined time slots in a first portion of a selected frame. Communications from the modules occur during corresponding time slots during a second portion of the frame.
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