| 摘要 |
A method of protecting a safe and system is provided to supply overall protection and time delay at the protection area by spreading harmless gas to the human body and the acoustic emission mode which man dislikes. In a method of protecting a safe and system, a command is delivered through the security system(10) to a controller(11) when detecting intrusion by a sensor. A controller receives the command and controls the operation of apparatuses(12, 13). An injection system receives the command and sprays the gas(smoke) which is harmless to the human body within the fast time, which makes the intruder embarrassed and cover the vision of the intruder. A sound speaker radiates the sound wave which man dislikes and it exceedingly makes intruder harassed. |
