| 摘要 |
PURPOSE: A security device is provided to prevent crime regardless of the opened or closed state of windows or doors and to reduce security failure and improve security reliability. CONSTITUTION: A security device (100) comprises a supporting bar (110), a plurality of rotating bars (120-1,120-2,120-3,125), a rotation sensing device, and a control device. The supporting bar is installed in order to be adjacent to a side wall of an installation space. The rotating bar is combined in the supporting bar to be laterally rotatable. The rotation sensing device senses the rotation of the rotating bar. The control device controls to implement a predetermined security function according to the rotation detection of the rotation sensing device. |
