| 摘要 |
<p>An automatic detection and signalling system of dangerous or emergency situations, including a base control unit (10), installed on the premises of the caller which, by pressing a push button (20, 21, 22) or due to the intervention of certain exterior anti-intrusion (48, 78, 79) and ambient (75-77) sensors and detectors, sends an intervention request through a sequence switch to a series of telephone numbers, programmed by the user, and memorized in the system or to an operations centre which identifies the receiver of the request and coordinates the assistance by simultaneous viva voce communication with the caller and phone communication with the helpers. <IMAGE></p> |
