Pyroelectric infrared sensor is widely used in alarm, and the field of moving human body detection.
热释电红外传感器被广泛的应用在报警器、人体移动检测的相关领域。
2
In order to reduce child drowning in the unattended ponds or swimming pools, a design method of a pool alarmsensor based on pulse-width anti-narrow is proposed.
为了减少无人看守的水池或游泳池中小孩的溺死事件，提出了一种基于脉宽反窄的水池警报传感器设计方法。
3
UV unit: High speed low pressure UV emitter; UV sensor with alarm.