| 摘要 |
PURPOSE:To prevent a crime to extract cash by destroying a shop from occurring in a time zone when no burglar preventing camera in the shop is operated. CONSTITUTION:A control means 1 turns on the power sources of a front approach sensor 2, a rear approach sensor 3, a front camera 4, a rear camera 5, and a floppy disk device 9 by a power control 6 while an internal clock 8 counts a designated monitoring time value inputted from an input means 7, and images picked up with the cameras 4, 5 in accordance with the approach sensors 2, 3 detecting the approach of a person are accumulated in a floppy disk (not shown in figure) by the floppy disk device 9. |
