| 摘要 |
PROBLEM TO BE SOLVED: To provide an interphone system capable of reporting an abnormal situation to a management room, even if a resident living alone is in poor physical condition and it is difficult to depress an emergency button.SOLUTION: In the interphone system, including a management room master unit installed in the management room and a house information panel installed inside a dwelling house and performing intercom communication between a communication means provided in the management room master unit and a communication means provided in the house information panel; the house information panel includes a living check button operated by a resident at each predetermined interval of time; and a resident activity signal transmission means for transmitting a resident activity signal indicating that the resident is normally acting on the management room master unit, when the living check button is operated, and the management room master unit issues an alarm, if the resident activity signal is not received within the predetermined time. |
