| 摘要 |
PROBLEM TO BE SOLVED: To avoid the sudden supply of hot water or the like by allowing a person who takes a bath to easily recognize set temperature or the like. SOLUTION: The entry into a room by one who takes a bath 20 is detected based on the output of a magnetic switch for detecting the opening or closing of a door 6 and the output of an artificial retina sensor 5 for detecting the change in an image that has been picked up, thus outputting bath temperature and hot water temperature that are the setting state of a water heater 10 from a remote controller 3 for bath by voice. |
