| 摘要 |
PURPOSE: A toilet paper absence notifying lamp is provided to notify the absence of toilet papers using a detecting sensor attached to the center of a roll. CONSTITUTION: A toilet paper absence notifying lamp is capable of displaying the information of the absence of toilet papers by sensing the supplement of a toilet paper roll or the replacement of the roll using a detecting sensor. An entrance door of a bathroom includes a green or red lamp capable of displaying the state of the toilet papers by capturing a signal from the detecting sensor on the toilet paper roll using a CPU. |
