| 摘要 |
PURPOSE: An object breakaway appearance sensing device is provided to prevent robbery and intrusion in an indoor, outdoor, a closed, or dead zone. CONSTITUTION: A transceiver(30) transmits and receives an infrared ray. A wired or wireless communications unit(10) communicates with a central control unit. A microcomputer controller(20) controls the function of an infrared sensing device. An alarming device(40) generates a visible and audible alarm when a detection result is changed according to the control of the microcomputer controller. |
