| 摘要 |
A system for emergency call box service which comprises a plurality of emergency call boxes, wherein each call box further comprises a controller, a cellular transceiver coupled to the controller, a battery coupled to the controller for providing power to the controller and transceiver, and a solar array for generating power coupled to the controller for recharging the battery; and a cellular telecommunications subsystem in radiotelecommunication with each of the plurality of emergency call boxes, and whereby the plurality of emergency call boxes can be installed and maintained at low cost and capable of arbitrarily programmable interactive operations. |
