OPTICAL CONCENTRATION MEASURING METHOD
    2.
    发明申请

    公开(公告)号:US20170254743A1

    公开(公告)日:2017-09-07

    申请号:US15504501

    申请日:2015-02-23

    申请人: TOHOKU UNIVERSITY

    摘要: To provide a concentration measuring method with which the concentration of a predetermined chemical component can be accurately, quickly, and nondestructively measured down to a concentration range of an extremely small amount with a simple means, and to provide a concentration measuring method with which the concentration of a chemical component in an object to be measured can be accurately and quickly measured down to a concentration range of a nano-order extremely small amount in real time, the method having universality, i.e., the ability to be embodied in various forms and modes. Light having a first wavelength and light having a second wavelength, which have different light absorptances with respect to an object to be measured, are each radiated onto the object to be measured using a time-sharing method; the light having the first wavelength and the light having the second wavelength, optically passing through the object to be measured as a result of the irradiation with the light having the first and second wavelengths, are received with a common light receiving sensor; a differential signal between a signal related to the light having the first wavelength and a signal related to the light having the second wavelength to be output from the light receiving sensor according to the received light is formed; and the concentration of a chemical component in the object to be measured is derived on the basis of the differential signal.

    Detection and Correction of Window Moisture Condensation
    7.
    发明申请
    Detection and Correction of Window Moisture Condensation 有权
    窗口水分凝结检测与校正

    公开(公告)号:US20160113067A1

    公开(公告)日:2016-04-21

    申请号:US14221578

    申请日:2014-03-21

    IPC分类号: H05B3/84

    摘要: Condensation mitigation devices and condensation prediction/detection techniques configured to prevent window condensation with reduced power consumption are disclosed. A condensation mitigation device is configured to predict and/or detect a window condensation event. The condensation mitigation device is powered on only during such an event, and the condensation mitigation device is powered off afterwards to conserve power.

    摘要翻译: 公开了减少冷凝装置和凝结预测/检测技术,其被配置为防止窗口冷凝降低功耗。 冷凝减轻装置被配置为预测和/或检测窗口冷凝事件。 冷凝减轻装置仅在这种事件期间被供电,并且冷凝减轻装置之后被断电以节省电力。

    Tracer to compensate for environmental variations that influence a chemical vapor sensor measurement
    9.
    发明授权
    Tracer to compensate for environmental variations that influence a chemical vapor sensor measurement 有权
    示踪剂补偿影响化学气相传感器测量的环境变化

    公开(公告)号:US07736903B2

    公开(公告)日:2010-06-15

    申请号:US11243556

    申请日:2005-10-05

    IPC分类号: G01N33/00

    摘要: A chemical vapor sensor is provided that passively measures a suspect chemical species of interest with high sensitivity and chemical specificity, for use with safety systems. A vapor concentrator amplifies a suspect chemical vapor concentration to a detectible level, for use with an infrared detector. Compensation is provided for environmental variations that may influence the passive measurement of the chemical vapor sensor. Environmental variations may include extrinsic vapors in the surrounding air, or air currents that divert the sample vapor as it drifts from the suspect vapor source to a sampling intake. In an example, ethanol vapor is measured and carbon dioxide tracer measurements are used to calculate an ethanol vapor measurement that is adjusted for environmental variations. In an aspect, a time artifact filter sets the output of the carbon dioxide sensor to match the time dependence of the ethanol sensor, to calculate blood alcohol concentration.

    摘要翻译: 提供了一种化学气相传感器,被动地测量了高灵敏度和化学特异性的可疑化学物质,用于安全系统。 蒸汽浓缩器将可疑的化学气体浓度放大到可检测的水平,以便与红外检测器一起使用。 为可能影响化学气相传感器被动测量的环境变化提供补偿。 环境变化可能包括周围空气中的外在蒸汽,或者当样品蒸汽从可疑蒸汽源漂移到采样进气口时,使样品蒸气转移的气流。 在一个实例中,测量乙醇蒸气并使用二氧化碳示踪剂测量来计算根据环境变化调节的乙醇蒸气测量值。 在一方面,时间伪影过滤器设定二氧化碳传感器的输出以匹配乙醇传感器的时间依赖性,以计算血液酒精浓度。

    Detector with condenser
    10.
    发明申请
    Detector with condenser 有权
    带冷凝器的检测器

    公开(公告)号:US20070012088A1

    公开(公告)日:2007-01-18

    申请号:US11474541

    申请日:2006-06-26

    IPC分类号: G01N21/15 G01N21/61

    摘要: An ambient condition detector has a housing that carries a sensor of an airborne constituent such as a gas, and a condenser for minimizing an inflow of moisture into the sensor. A filter can be used to reduce fluid flow velocity prior to passing through or by the condenser.

    摘要翻译: 环境条件检测器具有承载诸如气体的空气传播构件的传感器的壳体和用于最小化湿气进入传感器的冷凝器。 过滤器可以用于在通过或通过冷凝器之前减少流体流速。