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    ADDRESSABILITY IN PARTICLE DETECTION
    2.
    发明申请
    ADDRESSABILITY IN PARTICLE DETECTION 审中-公开
    颗粒检测中的可接近性

    公开(公告)号：US20150253165A1

    公开(公告)日：2015-09-10

    申请号：US14433201

    申请日：2013-10-16

    Applicant: Xtralis Technologies, Ltd.

    Inventor： Kemal Ajay ,  Ron Knox ,  Brian Alexander ,  Karl Boettger ,  Rajiv Kumar Singh ,  Thor North ,  Stephen James Pattinson ,  Peter Massingberd-Mundy

    IPC: G01F1/66 ,  G01N15/14

    Abstract: A method of determining at least one point of entry of smoke into a smoke detection system, the system having a sampling pipe network including at least one sampling pipe and a plurality of sampling inlets through which an air sample can enter the at least one sampling pipe of the smoke detection system for analysis by a particle detector, said method including: determining a volume of sample air that has passed through at least part of the smoke detection system since a predetermined event or a value corresponding to said volume; and determining through which sampling inlet of the plurality of sampling inlets the smoke entered the smoke detection system based, at least in part, on the determined volume or value. Systems for implementing such a method and related methods are also described.

    Abstract translation: 一种确定烟雾进入烟雾检测系统的至少一个入口点的方法，所述系统具有采样管网络，所述采样管网络包括至少一个采样管道和多个采样入口，空气样品通过所述取样管线进入所述至少一个采样管道 的烟雾检测系统，用于由粒子检测器分析，所述方法包括：从预定事件或对应于所述体积的值确定经过烟雾检测系统的至少一部分的样品空气的体积; 以及至少部分地基于确定的体积或值，确定多个采样入口中的烟进入烟检测系统的哪个采样入口。 还描述了用于实现这种方法和相关方法的系统。

    Addressability in particle detection
    3.
    发明授权
    Addressability in particle detection 有权

    公开(公告)号：US10545041B2

    公开(公告)日：2020-01-28

    申请号：US14433201

    申请日：2013-10-16

    Applicant: Xtralis Technologies, Ltd.

    Inventor： Kemal Ajay ,  Ron Knox ,  Brian Alexander ,  Karl Boettger ,  Rajiv Kumar Singh ,  Thor North ,  Stephen James Pattinson ,  Peter Massingberd-Mundy

    IPC: G01F1/66 ,  G01N15/14

    Abstract: A method of determining at least one point of entry of smoke into a smoke detection system, the system having a sampling pipe network including at least one sampling pipe and a plurality of sampling inlets through which an air sample can enter the at least one sampling pipe of the smoke detection system for analysis by a particle detector, said method including: determining a volume of sample air that has passed through at least part of the smoke detection system since a predetermined event or a value corresponding to said volume; and determining through which sampling inlet of the plurality of sampling inlets the smoke entered the smoke detection system based, at least in part, on the determined volume or value. Systems for implementing such a method and related methods are also described.

    Aspirated Particle Detection With Various Flow Modifications
    8.
    发明申请
    Aspirated Particle Detection With Various Flow Modifications 审中-公开
    具有各种流量修正的吸气颗粒检测

    公开(公告)号：US20160223437A1

    公开(公告)日：2016-08-04

    申请号：US15029304

    申请日：2014-10-16

    Applicant: XTRALIS TECHNOLOGIES LTD ,  XTRALIS GLOBAL

    Inventor： Kemal Ajay ,  Ronald Knox ,  Brian Alexander ,  Kate Cooper ,  Rajiv Kumar Singh ,  Thor North ,  Stephen James Pattinson ,  Peter Massingbard- Mundy ,  Alasdair James Williamson

    IPC: G01N1/26 ,  G01N15/06

    CPC classification number: G01N1/26 ,  G01M3/2815 ,  G01N15/06 ,  G08B17/10 ,  G08B17/113

    Abstract: A method of particle detection in an aspirated particle detection system having a sampling pipe network and a particle detector. The method includes drawing sample air to the particle detector through the air sampling network; analyzing the sample air with the particle detector; entering an amplification phase, in the event that a concentration of particles in the sample air greater than a predetermined threshold is detected, to create a plurality of sample air packets in the sampling pipe, wherein each sample air packet corresponds to a sampling inlet and includes an amplified concentration of air drawn from the corresponding sampling inlet; transporting the sample air including the plurality of sample air packets through the sampling pipe to the particle detector; and determining through which sampling inlet any particles entered the particle detection system.

    Abstract translation: 在具有采样管网和粒子检测器的吸气颗粒检测系统中的颗粒检测方法。 该方法包括通过空气采样网将样品空气抽至颗粒检测器; 用粒子检测器分析样品空气; 在检测到样品空气中的颗粒浓度大于预定阈值的情况下进入放大阶段，以在取样管中产生多个样品空气分组，其中每个样品空气分组对应于采样入口，并且包括 从相应的取样口抽出的空气的放大浓度; 将包括多个样品空气包的样品空气通过采样管输送到颗粒检测器; 并确定通过哪个采样进口任何颗粒进入颗粒检测系统。

    Method of detecting particles by detecting a variation in scattered radiation
    10.
    发明授权
    Method of detecting particles by detecting a variation in scattered radiation 有权
    通过检测散射辐射的变化来检测颗粒的方法

    公开(公告)号：US09002065B2

    公开(公告)日：2015-04-07

    申请号：US14089315

    申请日：2013-11-25

    Applicant: Xtralis Technologies Ltd

    Inventor： Ron Knox ,  Karl Boettger ,  Peter Meikle ,  Brian Alexander

    IPC: G06K9/00 ,  G01N21/84 ,  G01S7/48 ,  G01S7/481 ,  G01S7/497 ,  G01S17/89 ,  G08B17/103 ,  G08B17/107 ,  G08B17/12 ,  G06K9/46 ,  G01N21/53

    CPC classification number: G01N21/53 ,  G01N15/1434 ,  G01N21/84 ,  G01N21/85 ,  G01N2201/06113 ,  G01N2201/12 ,  G01S7/4802 ,  G01S7/4811 ,  G01S7/497 ,  G01S17/89 ,  G06K9/46 ,  G08B17/10 ,  G08B17/103 ,  G08B17/107 ,  G08B17/125

    Abstract: A smoke detecting method which uses a beam of radiation such as a laser (16), to monitor a region, such as a room (12). A camera (14) is used to capture images of part of the room (12), including a path of the laser beam. Particles in the laser beam scatter light (30), and this is captured by the camera (14) for analysis. A processor (20) extracts data relating to the scattered light (30) to determine the density of particles in the beam, to determine the level of smoke in the region. The laser may have a modulated output (38) so that images captured without the laser tuned “on” can be used as a reference point and compared to images taken with the laser turned “on”, to assist in determining the level of scattered light (30) compared to ambient light. Filters (24, 26) may be used to decrease signals generated from background light.

    Abstract translation: 使用诸如激光（16）的辐射束的烟雾检测方法来监视诸如房间（12）的区域。 相机（14）用于捕获包括激光束的路径的房间（12）的一部分的图像。 激光束中的粒子散射光（30），并且由相机（14）捕获用于分析。 处理器（20）提取与散射光（30）相关的数据，以确定光束中的粒子的密度，以确定该区域中的烟雾水平。 激光器可以具有调制输出（38），使得在没有激光调谐为“开”的情况下拍摄的图像可以用作参考点，并且与激光器“打开”拍摄的图像进行比较，以帮助确定散射光的水平 （30）与环境光相比。 滤波器（24,26）可用于减少从背景光产生的信号。

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