| 摘要 |
An emergency alarm system is disclosed as including a base unit 9 , adapted to be installed in an architectural structure at an area attracting public attention, which incorporates a temperature sensor 29 , a gas sensor 31 , a sound sensor 33 and a vibration sensor 35 and includes a transmitter 39 , a receiver 41 , a sound generator 37 and a display board 27 ; a mobile handset 23 , carried by a person for self-defense, which incorporates a temperature sensor 51 and a gas sensor 53 and includes a transmitter 59 , a receiver 61 , a sound generator 55 and a light source 57 ; and infrared ray sensors 13 , installed in respective rooms in the architectural structure, which incorporates a temperature sensor 69 and a gas sensor 71 and includes a transmitter 73 ; wherein when one of the sensors of the base unit 9 , the mobile handset 23 and the infrared ray sensors 13 detects an abnormal signal under an emergency condition, the base unit 9 , the mobile handset 23 and the infrared ray sensors 13 mutually communicate with each other through the associated transmitters and receivers.
|
