| 摘要 |
There are security problems with storage boxes such as a safe-deposit box or the like if the doors thereof are left open. In addition, storage of packages in a storage box with a door at a freight distribution center or the like to prevent exposure to dirt and water will not meet dustproofing and waterproofing requirements if the door is open outside of work hours. Therefore, the present invention provides an information display system that has a camera unit, a projector unit, and an information processing device and that is characterized in that the camera unit captures an image of an area around a door, including a movable part of the door, the information processing device outputs an alarm signal when the time period during which the door is open has exceeded a preset time period, and the projector unit projects text or a pattern based on the alarm signal at a preset position. |
