| 摘要 |
A fire detector 1 operating by the scattered radiation principle is described, having at least one radiation transmitter 5.1, 5.2, 5.3 and at least one radiation receiver 6.1, 6.2, 6.3 , whose beam paths form a scattering volume 7.1, 7.2, 7.3 . The fire detector 1 includes, in addition to at least one first radiation transmitter 5.1 and one first radiation receiver 6.1 , at least one second radiation transmitter 5.2 and one second radiation receiver 6.2 , whose beam paths form at least two spatially separated scattering volumes 7.1, 7.2.
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