摘要
介绍了热释红外传感器的工作原理,给出了一种被动型热释电红外报警器的结构原理及其应用电路。这种电路把红外线的隐蔽性很好地应用于报警系统中 ,从而实现了防盗报警功能 。
The principle of Pyroelectric Infrared sensors is discussed in this paper.The application circuit and working theory of passive Infrared Alarm Buzzer are provided.The alarm system about the pyroelectric infrared sensor make full use of the concealment of infrared to implement the alarm function,which can realize home's safety.
出处
《国外电子元器件》
2005年第3期18-20,共3页
International Electronic Elements
