| 摘要 |
A security system for marking an intruder in an area with a marking agent is disclosed. In an embodiment the system includes a reservoir, a sensing circuit and an 5 outlet coupled to the reservoir. The reservoir contains a volume of a marking agent. The sensing circuit detects an intrusion into the area and momentarily enables a control signal for a predetermined duration in response to detecting the intrusion. The outlet is activatable in response to the enabling of the control signal to release into the area a quantity of the volume of the marking agent from the reservoir. A method of marking an 10 intruder in an area with a marking agent is also disclosed. 108 -+V ---- L----- GND + SENSOR] |
