PROBLEM TO BE SOLVED: To provide a problem-solving means that for changing a diaper, a care worker always needs a caution, sometimes confirms it and has difficulties by time and effort and care, and a person to be cared has also constraint, anxiety and displeasure feeling.SOLUTION: The urination in the diaper is made to sense by a sensor 1, and the signal is sent to a receiving alarm by wireless from a transmitter 3, and by a chime and a blink light, a person separated from it is imformed, and furthermore, call can be made by a push button 5 of the transmitter.COPYRIGHT: (C)2012,JPO&INPIT【課題】おむつ交換には、介護者は、常に注意が必要で、時々確かめるなど、手間と気配りで世話に苦労があり、また被介護者も気兼ねや不安、不快感があったことの解決策を提供する。【解決手段】おむつの排尿をセンサー1で感知させ、発信機3よりワイヤレスで受信報知機に送り、チャイムと点滅灯で離れたところの者に知らせ、さらに発信機の押ボタン5でもコールすることができるようにした。【選択図】図1