| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a compact infrared object detection device for accurately detecting a distance between a heat source and an infrared detection unit. <P>SOLUTION: The heat source detection device includes a first infrared detection unit configured to include only a part of a heat source within a field of vision when the heat source enters a predetermined detection area, and a second infrared detection unit configured to include the entire heat source within the field of vision, and detects approaching of the heat source on the basis of the output of the first infrared detection unit and the second infrared detection unit. <P>COPYRIGHT: (C)2013,JPO&INPIT |
