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    • 3. 发明授权
    • Spectroscopic remote sensing exhaust emission monitoring system
    • 光谱遥感废气排放监测系统
    • US06455851B1
    • 2002-09-24
    • US09547154
    • 2000-04-11
    • Harry C. LordMarc M. Baum
    • Harry C. LordMarc M. Baum
    • G01N2100
    • G01N21/33G01N21/3504G01N2021/1793
    • A spectroscopic IR and UV-vis absorption remote exhaust emission monitoring system and sensing instrument for non-invasive, multicomponent analysis of the exhaust plume emitted by in-use vehicles. The concentration of CO, CO2, HC, NO, N2O, C2H2, NH3, SO2, Aromatic hydrocarbons, aldehydes, HONO, NO2, and dust, among others and in any combination there-of, in such a mixture can be determined in real-time, or via post-processing of stored spectral data. The sensor employs an IR and a UV-vis sources, and the physically offset, collimated beams traverse the probed air column, typically a roadway, a plurality of times, before returning to the instrument. Although the IR and UV-vis beams converge at the optics opposite the instrument, they are not coaxial and, thus, do not require an optical device (i.e., dichroic beam splitter) to separate them. The separate IR and UV-vis beams are focused on the slits of rapid spectrometers, where they are analyzed to yield wavelength-resolved spectra (i.e., graphs of digital signal intensity versus radiation wavelength). These spectrometers can either be rapid scanning dispersive devices, dispersive devices employing linear or two-dimensional detector arrays, or Fourier transform spectrometers. The graphs are converted into absorbance spectra and are subsequently processed with pattern recognition algorithms and a spectral reference database to afford analyte concentration.
    • 一种分光IR和UV-vis吸收远程废气排放监测系统以及用于非侵入式多组分分析由使用中的车辆排放的排气羽流的传感仪器。 在这种混合物中CO,CO 2,HC,NO,N 2 O,C 2 H 2,NH 3,SO 2,芳族烃,醛,HONO,NO 2和粉尘等和其任何组合的浓度可以实际确定 或通过对存储的光谱数据进行后处理。 该传感器采用IR和UV-Vis源,并且在返回到仪器之前,物理偏移的准直光束穿过探测空气柱,通常是道路,多次。 虽然IR和UV-vis光束会聚在与仪器相对的光学器件上,但是它们不是同轴的,因此不需要光学器件(即,二向色光束分离器)来分离它们。 单独的IR和UV-vis光束聚焦在快速光谱仪的狭缝上,在那里对其进行分析,以产生波长分辨的光谱(即,数字信号强度与辐射波长的曲线图)。 这些光谱仪可以是快速扫描分散装置,采用线性或二维检测器阵列的分散装置,或傅里叶变换光谱仪。 将图形转换为吸收光谱,随后用模式识别算法和光谱参考数据库处理以提供分析物浓度。
    • 7. 发明授权
    • Non-invasive, miniature, breath monitoring apparatus
    • 无创微型呼吸监测仪
    • US06599253B1
    • 2003-07-29
    • US09891106
    • 2001-06-25
    • Marc M. BaumHarry C. Lord
    • Marc M. BaumHarry C. Lord
    • A61B508
    • G01N33/497A61B5/0059A61B5/029A61B5/0813A61B5/083G01N21/05G01N21/3504G01N2021/3129G01N2021/3137G01N2021/3166G01N2021/398
    • A rugged, miniature, spectroscopic gas analyzer apparatus for rapid, non-invasive, multi-component breath monitoring and analysis and subsequent determination of Q or other medical diagnostic applications. The system is comprised of one or more IR emitters focussed by optical elements through a low volume sample cell receiving a sample input of a patient's breath for analysis. The patient either at rest or during exercise, inhales C2H2—SF6 mixtures (balance of oxygen and nitrogen) which is subsequently monitored upon exhalation for CO2, H2O, C2H2, and SF6 which can be employed to determine Q directly and accurately. Measurements are performed in real-time or via post-processing of stored original data. Due to its small size, ruggedness, and low power consumption, the monitor can conveniently be employed in the field or data can also be retrieved remotely using telemetry. The miniature analyzer operates on the principle of infrared absorption spectroscopy and allows very precise concentration measurements of the analytes of interest, without any bias or interference from other matrix components.
    • 一种坚固,微型的光谱气体分析仪,用于快速,无创,多组分呼吸监测和分析,随后确定Q或其他医疗诊断应用。 该系统由一个或多个由光学元件聚焦的IR发射器组成,所述IR发射器通过接收患者呼吸的样本输入的低体积样本细胞进行分析。 患者休息或运动期间吸入C2H2-SF6混合物(余量为氧气和氮气),随后在呼气时监测CO 2,H 2 O,C 2 H 2和SF 6,其可用于直接且准确地测定Q。 通过实时或经过后处理存储的原始数据进行测量。 由于其体积小巧,坚固耐用,功耗低,可以方便地在现场使用显示器,也可以使用遥测方式远程检索数据。 该微型分析仪的工作原理是红外吸收光谱,并且可以非常精确的浓度测量所关注的分析物,没有任何来自其他基质组分的偏差或干扰。
    • 8. 发明授权
    • Non-invasive, miniature, breath monitoring apparatus
    • 无创微型呼吸监测仪
    • US06955652B1
    • 2005-10-18
    • US10435095
    • 2003-05-09
    • Marc M. BaumHarry C. Lord
    • Marc M. BaumHarry C. Lord
    • A61B5/00A61B5/029A61B5/08A61B5/083G01N21/05G01N21/31G01N21/35G01N21/39G01N33/497
    • G01N33/497A61B5/0059A61B5/029A61B5/0813A61B5/083G01N21/05G01N21/3504G01N2021/3129G01N2021/3137G01N2021/3166G01N2021/398
    • A rugged, miniature, spectroscopic gas analyzer apparatus for rapid, non-invasive, multi-component breath monitoring and analysis and subsequent determination of Q or other medical diagnostic applications. The system is comprised of one or more IR emitters focussed by optical elements through a low volume sample cell receiving a sample input of a patient's breath for analysis. The patient either at rest or during exercise, inhales C2H2—SF6 mixtures (balance of oxygen and nitrogen) which is subsequently monitored upon exhalation for CO2, H2O, C2H2, and SF6 which can be employed to determine Q directly and accurately. Measurements are performed in real-time or via post-processing of stored original data. Due to its small size, ruggedness, and low power consumption, the monitor can conveniently be employed in the field or data can also be retrieved remotely using telemetry. The miniature analyzer operates on the principle of infrared absorption spectroscopy and allows very precise concentration measurements of the analytes of interest, without any bias or interference from other matrix components.
    • 一种坚固,微型的光谱气体分析仪,用于快速,无创,多组分呼吸监测和分析,随后确定Q或其他医疗诊断应用。 该系统由一个或多个由光学元件聚焦的IR发射器组成,所述IR发射器通过接收患者呼吸的样本输入的低体积样本细胞进行分析。 患者在休息或运动期间吸入C 2 2 H 2 -SF 6 N 6混合物(余量的氧气和氮气),随后监测 在CO 2气体,H 2 O,C 2 H 2 H和SF 6的气体呼气时, / SUB,可直接,准确地确定Q。 通过实时或经过后处理存储的原始数据进行测量。 由于其体积小巧,坚固耐用,功耗低,可以方便地在现场使用显示器,也可以使用遥测方式远程检索数据。 该微型分析仪的工作原理是红外吸收光谱,并且可以非常精确的浓度测量所关注的分析物,没有任何来自其他基质组分的偏差或干扰。
    • 9. 发明授权
    • Optical substance analyzer and data processor
    • 光学物质分析仪和数据处理器
    • US5807750A
    • 1998-09-15
    • US434527
    • 1995-05-02
    • Marc M. BaumHarry C. Lord
    • Marc M. BaumHarry C. Lord
    • G01N21/31G01N21/33G01N21/00G01N21/01G01N21/35
    • G01N21/31G01N21/33G01N2201/024
    • A liquid and gas analyzing system that provides a sample collecting probe that delivers the sample through inert materials to prevent any contamination. For gas analyzing for environmental monitoring process control, a sample collecting probe having a borosilicate glass tube liner connected through an inner spiral tube to the analyzer prevents contamination. The system then delivers the sample to a single pass radiated optical cell by a light beam. The light beam is collected by a miniature CCD array spectrometer and delivered to an industrial PC. The output from the industrial PC is then delivered to a software controlled data acquisition system for analysis. The system is constructed to be a modular in design allowing addition of complementary components for measuring and analyzing different materials. The system described can be used for extractive gas analysis as well as extractive liquid analysis for monitoring stack gases, environmental air or general environmental monitoring and with modifications for breath analysis and human saliva and blood testing. The system is also adaptable for long path remote sense gas monitoring of fence lines and for leak detection.
    • 液体和气体分析系统,提供样品收集探针,通过惰性材料传送样品以防止任何污染。 对于用于环境监测过程控制的气体分析,具有通过内螺旋管连接到分析器的硼硅酸盐玻璃管衬套的样品采集探针防止污染。 然后,系统通过光束将样品传送到单次辐射光学单元。 光束由微型CCD阵列光谱仪收集并传送到工业PC。 然后将工业PC的输出传送到软件控制的数据采集系统进行分析。 该系统被设计为模块化设计,允许添加用于测量和分析不同材料的互补部件。 所描述的系统可用于萃取气体分析以及用于监测烟气,环境空气或一般环境监测的萃取液分析,以及用于呼吸分析和人体唾液和血液测试的修改。 该系统还适用于围栏线路的远程远程遥控气体监测和泄漏检测。