| 摘要 |
The invention concerns a device comprising at least one sensor (3) consisting of a CCD camera with very short spectral band ranging between 0,4 mu m and 1.1 mu m, equipped with a infrared filter eliminating the spectral band ranging between 0.4 mu m and 0.8 mu m approximately, said sensor being associated with a computer (4) in particular for image processing, at least a display screen (6), and a control panel (5). Thus it is possible, using only one type of sensor (3), to detect hot spots, flames, smoke, displacement of objects, and to display the inside of the enclosed space (2).
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