【摘要】 介绍了一种由单片机、电话网及各种传感器构成的多功能自动报警系统.这种报警系统采用美国ISD公司的ISD4002系列芯片和台湾义隆公司的EM78P156EL作为语音和传感器无线收发射器,通过收集各种传感器的信号,当出现异常情况时通过电话发出相应的报警信息,提供经济、快速、准确、全面的安全保障.更多还原

【Abstract】 A kind of automatic alarm system is introduced, which is composed of Single Chip Micyoco, telephone network and many sorts of detectors including smog sensor, body sensor, gas sensor, door magnet, window magnet, etc. This device used ISD 4002 and EM 78 P 156 series chip, which work as voice alarm and sensor’s information transport. It will send the alarm voice automatically by telephone when the situation is abnormal. The alarm system can provide accurately with economical and effective all-around shield safeguard.更多还原