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本文介绍了小型防盗防火报警器的工作原理、技术指标、设计电路和试验情况。提出了提高人体感应传感器灵敏度的技术措施和提高报警器工作可靠性和稳定性的方法。
This article describes the working principle, technical indicators, design circuit and test conditions of small burglar alarm. The technical measures to improve the sensitivity of human sensor and the method to improve the reliability and stability of the alarm are put forward.