| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an illuminance alarm system for detecting that the illuminance of a lamp has reached a prescribed value and alarming it. <P>SOLUTION: The illuminance alarm system is equipped with an illuminance- detecting means 1 for detecting the illuminance of a lamp, an alarm-outputting means 2 for outputting an alarm at the time the illuminance of the lamp detected by the illuminance-detecting means 1 has reached a prescribed value and a control means 3 for controlling the illuminance-detecting means 1 and the alarm-outputting means 2. The illuminance-detecting means 1 is composed of a solar cell functioning as a power source for the alarm-outputting means 2 and the control means 3 and also functioning as a sensor for illuminance photometory. The alarm-outputting means 2 is composed of an LED 2 for alarm that goes on and off when the illuminance of the lamp detected by the illuminance-detecting means 1 has reached the prescribed value. The fact that the illuminance of the lame has reached the prescribed value can be detected by observing flashing of the LED 2 for alarm. <P>COPYRIGHT: (C)2003,JPO</p> |
