JPS6437694A - Alarm device - Google Patents

Abstract

PURPOSE:To save electric power by stopping the operation of a nearby informing means when a remote informing means is kept at a state capable of informing the generation of an abnormal state to a prescribed position remotely separated from an equipment. CONSTITUTION:When a flip-flop (FF) 31 is set, its non-inverted output Q is supplied to respective bases of transistors (TRs) 25, 28, 38, 53 through an OR circuit 30, so that respective TRs are turned off and respective abnormality detectors are disabled from executing the detecting operation of the abnormal state. When a safe door detector 11 detect the opening of the door of a safe, the FF 31 is set and its non-inverted output Q is supplied to a set input S of an FF 57 through the OR circuit 30 and an inverter 56. Consequently, the FF 57 is set, an alarm buzzer 10 is rung, the generation of the abnormal state is announced to the nearby area of the device, and an FF 61 also is simultaneously set by the non-inverted output Q of the FF 31. Consequently, a TR 60a in an external informing circuit 60 is turned on and the generation of the abnormal state is informed to a remote guarding company or the like.