| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an alarm which can be made easy to identify sound generated from home electronics or the like inside a room and out-of-battery alarm sound or the like from the alarm. <P>SOLUTION: A fire alarm 100 is configured so that when a smoke detection part 20 or a heat detection part 30 is determined as being abnormal, or when a battery voltage monitoring circuit 60 determines as being voltage drop, a control part 10 starts to drive a sounding component and a display lamp, and driving number of times of the display lamp is set larger than the driving number of times of the sounding component. <P>COPYRIGHT: (C)2013,JPO&INPIT |
