| 摘要 |
A route guidance system for guiding occupants of an enclosed space to a location, such as an exit, said system comprising a network of interconnected nodes located at spaced locations throughout said enclosed space, at least some of said nodes being adapted to convey route guidance instruction to said occupants, each node comprising a control unit and a communication means enabling the control unit to communicate with the control unit of at least one adjacent node for passing information and/or instructions between adjacent nodes. |
