| 摘要 |
PURPOSE: An unmanned crime preventive alarming apparatus is provided to implement a crime preventive function with a battery by being implemented based on low power without stand-by power. CONSTITUTION: A block structure(110) is adjacently installed to an open end on the frame of a door. A sensor(120) corresponds to physical intrusion which is detected between the door and the frame and detects the physical damage of the block structure. An alarming unit responds to the intrusion reaction of the sensor and generates an alarming signal. The alarming unit is operated when the sensor detects the intrusion reaction. |
