| 摘要 |
<p>An object detector includes: a detector for outputting a detected quantity based on a presence or absence of an object to be detected; a setting device for setting a threshold; a comparater for comparing the detected quantity obtained by the detector with the threshold set by the setting device and outputting a detected result; and a display for numerically displaying either the detected quantity obtained by the detector or the threshold set by the setting device. <IMAGE></p> |
