| 摘要 |
<p>PROBLEM TO BE SOLVED: To realize an alarm display device by which it is recognized whether or not alarm is issued not only at the present point of time but also in the past from a display state. SOLUTION: This device is provided with a first display means 1 displaying the presence or absence of alarm issuing and a second display means 2 displaying the alarm issuing in the past. The first and the second display means 1 and 2 simultaneously display alarm states by the alarm issuing, the first means 1 releases the alarm display state by linking with the release of the alarm state and the second means 2 continue the alarm display state till a monitoring person recognizes the display.</p> |
