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热词
    • 8. 发明授权
    • Smoke detector
    • 烟雾探测器
    • US06239710B1
    • 2001-05-29
    • US09445878
    • 1999-12-14
    • Ulrich Oppelt
    • Ulrich Oppelt
    • G08B1710
    • G08B17/107G08B17/113
    • A smoke alarm on the scattered radiation principle. Having a measuring field (5), accessible to smoke particles, in a measuring chamber, at which field the radiation direction of a radiation transmitter (6) is aimed, and scattered radiation occurring in the measuring field (5) can be received by a radiation receiver (7); the measuring chamber includes a portion of the hollow ellipsoid (3) which is mirror-coated on the inside; the measuring field (5) is disposed at the first focal point (1) of the hollow ellipsoid; the radiation receiver (7) is disposed at the second focal point (2) of the hollow ellipsoid (3).
    • 烟雾报警器散射辐射原理。 在辐射发射器(6)的辐射方向被瞄准的场中,在测量室中具有可吸烟颗粒的测量区域(5),并且可以通过以下方式来接收在测量区域(5)中发生的散射辐射 辐射接收器(7); 所述测量室包括所述中空椭圆体(3)的一部分,所述中空椭圆体(3)在内侧被镜面涂覆; 测量区域(5)设置在中空椭圆体的第一焦点(1)处; 放射线接收器(7)设置在中空椭圆体(3)的第二焦点(2)处。