公开(公告)号：US20130061659A1

公开(公告)日：2013-03-14

申请号：US13582832

申请日：2011-03-04

Applicant: Kemal Ajay ,  Nitin Vaveda

Inventor： Kemal Ajay ,  Nitin Vaveda

IPC: B01D46/00 ,  G01N15/00

CPC classification number: G01N15/06 ,  G01N1/2205 ,  G01N2015/0693 ,  G08B17/10 ,  G08B17/113

Abstract: There is described a filter arrangement for a particle detector for detecting particles in an environment. The particle detector can include one or more sensors for analyzing fluid in a detection region to produce sensor output. The filter arrangement includes structure defining flow paths, for conveying fluid from the environment towards the detection region, including a first flow path, which includes a filter, and a second flow path bypassing the filter. There is also provided a mechanism for controlling relative flow rates of fluid through the first flow path and the second flow path and a controller configured to receive the sensor output corresponding to at least two relative flow rates and apply logic thereto to generate an output indicative of a condition of the filter.

Abstract translation: 描述了用于检测环境中的颗粒的颗粒检测器的过滤装置。 粒子检测器可以包括一个或多个用于分析检测区域中的流体以产生传感器输出的传感器。 过滤器装置包括限定流路的结构，用于将流体从环境传送到检测区域，包括包括过滤器的第一流动路径和绕过过滤器的第二流动路径。 还提供了一种用于控制通过第一流动路径和第二流动路径的流体的相对流速的机构，以及控制器，被配置为接收对应于至少两个相对流速的传感器输出并将逻辑应用于其以产生指示 过滤器的条件。

公开(公告)号：US20110058167A1

公开(公告)日：2011-03-10

申请号：US12743171

申请日：2008-11-14

Applicant: Ron Knox ,  Kemal Ajay ,  Karl Boettger

Inventor： Ron Knox ,  Kemal Ajay ,  Karl Boettger

IPC: G01N21/00

CPC classification number: G01N15/06 ,  G01N21/53 ,  G01N2015/0693 ,  G08B17/125 ,  G08B29/18 ,  G08B29/185 ,  H04N5/32 ,  H04N7/18

Abstract: A particle detection system (100), such as an active video smoke detection system, includes at least one illumination means (102) for directing a beam (106) of radiation through at least part of the air volume being monitored (110), an image sensor (104) is positioned to capture images of at least part of a beam (106) from illumination means (102); and means to analyse (107) the captured images to detect the presence of particles within the volume. At least 29 different aspects are described for improving the sensitivity, usability, and robustness of particle detection. These include, for example, configuring illumination means (102) to create a curtain of light or a rapidly-scanned beam across the air volume (110), and configuring a reflector to steer or change direction of a beam reflected from illumination means (102).

Abstract translation: 诸如有源视频烟雾探测系统的粒子检测系统（100）包括至少一个照射装置（102），用于将辐射束（106）引导通过待监测的空气体积（110）的至少一部分， 图像传感器（104）被定位成从照明装置（102）捕获至少一部分光束（106）的图像; 以及用于分析（107）所捕获的图像以检测所述体积内的颗粒的存在的装置。 描述了至少29个不同的方面来提高粒子检测的灵敏度，可用性和鲁棒性。 这些包括例如配置照明装置（102）以产生跨过空气容积（110）的光幕或快速扫描的光束，并且配置反射器以引导或改变从照明装置（102）反射的光束的方向 ）。

公开(公告)号：US08804119B2

公开(公告)日：2014-08-12

申请号：US12997155

申请日：2009-06-10

Applicant: Ron Knox ,  Karl Boettger ,  Kemal Ajay

Inventor： Ron Knox ,  Karl Boettger ,  Kemal Ajay

IPC: G01N21/00 ,  G01N15/02 ,  G01N21/53

CPC classification number: G01N21/53 ,  G01N15/0205 ,  G01N15/0227 ,  G01N15/1434 ,  G01N21/49 ,  G01N21/538 ,  G01N2201/0621 ,  G01N2201/0696 ,  G08B17/107 ,  G08B17/113

Abstract: A particle detection system including; at least one light source adapted to illuminate a volume being monitored at at least two wavelengths; a receiver having a field of view and being adapted to receive light from at least one light source after said light has traversed the volume being monitored and being adapted to generate signals indicative of the intensity of light received at regions within the field of view of the receiver; a processor associated with the receiver adapted to process the signals generated by the receiver to correlate light received at at least two wavelengths in corresponding regions within the field of view of the receiver and generate an output indicative of the relative level of light received at the two wavelengths.

Abstract translation: 一种粒子检测系统，包括： 至少一个光源，其适于照亮在至少两个波长处被监测的体积; 具有视场的接收器，并且适于在所述光已经穿过被监视的体积之后接收来自至少一个光源的光，并且适于产生指示在所述视场内的区域中接收的光的强度的信号 接收器 与所述接收器相关联的处理器，其适于处理由所述接收器产生的信号，以将在所述接收机的视场内的相应区域中的至少两个波长处接收的光相关联，并且生成指示在所述两个接收器处接收的光的相对电平的输出 波长。

公开(公告)号：US08797531B2

公开(公告)日：2014-08-05

申请号：US13318309

申请日：2010-05-03

Applicant: Ron Knox ,  Karl Boettger ,  Kemal Ajay

Inventor： Ron Knox ,  Karl Boettger ,  Kemal Ajay

IPC: G01N21/00 ,  G01N15/02 ,  G01N15/14 ,  G01N21/53

CPC classification number: G01N21/53 ,  F21K9/00 ,  G01N15/0205 ,  G01N15/10 ,  G01N15/1434 ,  G01N15/1459 ,  G01N21/538 ,  G01N2201/061 ,  G01N2201/062 ,  G01N2201/0621 ,  G01N2201/0627 ,  G01N2201/0633 ,  G01N2201/0696

Abstract: A beam detector (10) including a light source (32), a receiver (34), and a target (36), acting in co-operation to detect particles in a monitored area (38). The target (36), reflects incident light (40), resulting in reflected light (32) being returned to receiver (34). The receiver (34) is a receiver is capable of recording and reporting light intensity at a plurality of points across its field of view. In the preferred form the detector (10) emits a first light beam (3614) in a first wavelength band; a second light beam (3618) in a second wavelength band; and a third light beam (3616) in a third wavelength band, wherein the first and second wavelengths bands are substantially equal and are different to the third wavelength band.

Abstract translation: 一种包括光源（32），接收器（34）和目标（36）的光束检测器（10），用于协调以检测被监视区域（38）中的颗粒。 目标（36）反射入射光（40），导致反射光（32）返回到接收器（34）。 接收器（34）是能够在其视场上的多个点处记录和报告光强度的接收器。 在优选形式中，检测器（10）发射第一波长带中的第一光束（3614） 在第二波长带中的第二光束（3618）; 以及第三波长带中的第三光束（3616），其中所述第一和第二波长带基本相等并且与所述第三波长带不同。

公开(公告)号：US20130192341A1

公开(公告)日：2013-08-01

申请号：US13582839

申请日：2011-03-03

Applicant: Kemal Ajay ,  Brian Alexander

Inventor： Kemal Ajay ,  Brian Alexander

IPC: B03C3/34 ,  G01N21/55 ,  G01N15/06 ,  G01N21/59

CPC classification number: B03C3/34 ,  B01D53/323 ,  B03C3/08 ,  B03C3/366 ,  B03C2201/24 ,  G01N15/06 ,  G08B17/10 ,  G08B17/113

Abstract: A particle separation system for separating particles in an airflow upstream of a detection chamber in an aspirating smoke detector is disclosed. The particle separation system includes an airflow path for directing the airflow from an inlet to an outlet. The airflow path includes a first airflow path section in a first direction and a second airflow path section in a second direction, the first and second directions being different relative to each other. The airflow path also includes at least one electrically charged surface such that the airflow undergoes electrostatic precipitation as it traverses the airflow path. A method of separating particles in an airflow upstream of a detection chamber in an aspirating smoke detector is also disclosed.

Abstract translation: 公开了一种用于分离吸气式烟雾探测器中检测室上游气流中的颗粒的颗粒分离系统。 颗粒分离系统包括用于将气流从入口引导到出口的气流路径。 气流路径包括在第一方向上的第一气流通道部分和第二方向上的第二气流通道部分，第一和第二方向彼此不同。 气流路径还包括至少一个充电表面，使得气流在穿过气流路径时经历静电沉淀。 还公开了一种在吸气式烟雾探测器中的检测室上游的气流中分离颗粒的方法。

公开(公告)号：US20130013227A1

公开(公告)日：2013-01-10

申请号：US13544214

申请日：2012-07-09

Applicant: KEMAL AJAY ,  Arjun Vinoo Caprihan ,  Michael Rezny

Inventor： KEMAL AJAY ,  Arjun Vinoo Caprihan ,  Michael Rezny

IPC: G01F1/74 ,  G01F1/66 ,  G06F19/00 ,  G01F1/00

CPC classification number: G01F1/74 ,  G01F1/66 ,  G01F1/667 ,  G01N1/2205 ,  G01N1/2273 ,  G01N1/26 ,  G01N29/024 ,  G01N2015/0046 ,  G01N2015/1486 ,  G01N2291/0217 ,  G01N2291/02408 ,  G01N2291/02836 ,  G08B17/10 ,  G08B17/113

Abstract: A method of detecting one or more blocked sampling holes in a pipe of an aspirated smoke detector system. The method includes ascertaining the base flow of fluid through a particle detector using a flow sensor; monitoring subsequent flow through the particle detector; comparing the subsequent flow with the base flow; and indicating a fault if the difference between the base flow and the subsequent flow exceeds a predetermined threshold.

公开(公告)号：US20120326837A1

公开(公告)日：2012-12-27

申请号：US13390336

申请日：2011-01-12

Applicant: Kemal Ajay ,  Charles Dean Randle

Inventor： Kemal Ajay ,  Charles Dean Randle

IPC: G05B19/00

CPC classification number: F16P3/145 ,  A61F9/029 ,  F16P3/00 ,  F16P3/141 ,  F16P3/144 ,  F16P3/147 ,  F16P3/148

Abstract: The present invention provides apparatus and methods for safety compliance in hazardous situations. The apparatus may include sensing means for detecting a first protective apparatus, means for detecting a subject, monitoring means for monitoring engagement of the protective apparatus with the subject; and a controller for controlling operability of a second apparatus according to the monitoring means. Embodiments of the invention include the protective apparatus being eyewear or attenuating sound or radiation. The apparatus may include a power source. The communication between the elements of the apparatus may be by any suitable means, whether fixed line, radio frequency, optical transmission, acoustical, or the like. The invention includes a method for safety compliance comprising the steps of detecting a subject; determining the position of the subject in relation to a protective apparatus; determining the compliance state of the protective apparatus and controlling a second apparatus according to the compliance state.

Abstract translation: 本发明提供了在危险情况下安全符合性的装置和方法。 该装置可以包括用于检测第一保护装置的感测装置，用于检测被摄体的装置，用于监测保护装置与被摄体的接合的监视装置; 以及控制器，用于根据监视装置控制第二装置的可操作性。 本发明的实施例包括保护装置是眼镜或衰减声音或辐射。 该装置可以包括电源。 设备的元件之间的通信可以通过任何合适的方式，无论是固定线路，射频，光传输，声学等。 本发明包括一种用于安全符合性的方法，包括以下步骤：检测受试者; 确定受试者相对于保护装置的位置; 确定保护装置的合规状态并根据合规状态控制第二装置。

公开(公告)号：US07784358B2

公开(公告)日：2010-08-31

申请号：US11719146

申请日：2005-11-14

Applicant: Kemal Ajay ,  Arjun Vinoo Caprihan ,  Ron Knox

Inventor： Kemal Ajay ,  Arjun Vinoo Caprihan ,  Ron Knox

IPC: G01F1/66

CPC classification number: G01F1/662 ,  B33Y80/00 ,  G01F1/667 ,  G08B17/10 ,  G08B17/113

Abstract: A method and apparatus for determining flow in an aspirated particle detector system, includes a plurality of carriers in fluid communication with a particle detector, a flow rate detector in at least one of the carriers that senses a signal transmitted between a first and a second signal transceiver, wherein the first transceiver transceives signals in at least two of the carriers.

Abstract translation: 一种用于确定抽吸颗粒检测器系统中的流量的方法和装置，包括与颗粒检测器流体连通的多个载体，至少一个载体中的流速检测器，其感测在第一和第二信号之间传输的信号 收发器，其中第一收发器收发至少两个载波中的信号。

公开(公告)号：US20070084286A1

公开(公告)日：2007-04-19

申请号：US10556482

申请日：2004-05-14

Applicant: Kemal Ajay ,  Arjun Caprihan ,  Michael Rezny

Inventor： Kemal Ajay ,  Arjun Caprihan ,  Michael Rezny

IPC: G01H5/00

CPC classification number: G01F1/74 ,  G01F1/66 ,  G01F1/667 ,  G01N1/2205 ,  G01N1/2273 ,  G01N1/26 ,  G01N29/024 ,  G01N2015/0046 ,  G01N2015/1486 ,  G01N2291/0217 ,  G01N2291/02408 ,  G01N2291/02836 ,  G08B17/10 ,  G08B17/113

Abstract: The present invention relates to the field of sensing apparatus (10) in detecting particles in air sampled from a number of locations. In one aspect the present invention provides for the determination of the time of flight of a signal transmitted between a transmitter (42, 44) and a receiver (44, 42), comprising: transmitting a first signal comprising at least one characteristic waveform feature; transmitting a second signal comprising at least one characteristic waveform feature and a waveform modification introduced at a predetermined point in time of the duration of the second signal; receiving said first and second transmitted signals; determining a point of diversion between corresponding characteristic waveform features of the first and second received signals comprising super positioning said first and second received signals such that said point of diversion corresponds to an arrival time of the introduced waveform feature modification at the receiver. In a preferred embodiment, the invention provides an accurate time of flight determination of ultrasonic signals in a flow sensor (24) adapted for a smoke detector system (10).

Abstract translation: 本发明涉及检测从多个位置取样的空气中的颗粒的感测装置（10）的领域。 在一个方面，本发明提供确定在发射机（42,44）和接收机（44,42）之间传输的信号的飞行时间，包括：发送包括至少一个特征波形特征的第一信号; 发送包括在所述第二信号的持续时间的预定时间点引入的至少一个特征波形特征和波形修改的第二信号; 接收所述第一和第二传输信号; 确定第一和第二接收信号的相应特征波形特征之间的转移点，包括超定位所述第一和第二接收信号，使得所述转向点对应于在接收机处引入的波形特征修改的到达时间。 在优选实施例中，本发明提供了适于烟雾探测器系统（10）的流量传感器（24）中超声信号的精确时间确定时间。