公开(公告)号：US20080114223A1

公开(公告)日：2008-05-15

申请号：US11932119

申请日：2007-10-31

Applicant: Anthony T. Pierry ,  David R. Rich

Inventor： Anthony T. Pierry ,  David R. Rich

IPC: A61B5/00 ,  A61B5/087

CPC classification number: A61B5/087 ,  A61B5/0205 ,  A61B5/083 ,  A61B2562/226 ,  G01N21/05 ,  G01N21/3504 ,  G01N33/497 ,  G01N2021/0118 ,  G01N2021/0193 ,  G01N2201/1215

Abstract: A method and apparatus for interfacing a plurality of volumetric measurement systems, each of which includes a gas measurement and a flow measurement system, to a host system via an interface unit.

Abstract translation: 一种用于经由接口单元将多个体积测量系统（每个体积测量系统包括气体测量和流量测量系统）连接到主机系统的方法和装置。

公开(公告)号：US20060197015A1

公开(公告)日：2006-09-07

申请号：US11256656

申请日：2005-10-21

Applicant: Bernhard Sterling ,  W. Hall ,  Kenneth Witte ,  Mark Wechsler ,  Peng Zheng ,  Richard Keenan

Inventor： Bernhard Sterling ,  W. Hall ,  Kenneth Witte ,  Mark Wechsler ,  Peng Zheng ,  Richard Keenan

IPC: G01D18/00 ,  G01J3/42 ,  G12B13/00

CPC classification number: G01N21/274 ,  A61B5/14532 ,  A61B5/14535 ,  A61B5/14546 ,  A61B5/1459 ,  A61B5/1495 ,  A61B2560/0223 ,  A61M5/14212 ,  A61M2230/20 ,  G01N21/35 ,  G01N35/00693 ,  G01N35/00712 ,  G01N2201/1215 ,  G01N2201/127

Abstract: A method and apparatus are described that permit an analyte concentration to be estimated from a measurement in the presence of compounds that interfere with the measurement. The method reduces the error in the analyte concentration in the presence of interferents. The method includes the use of a set of measurements obtained for a large population having a range of known analyte and interfering compound concentrations. From a sample measurement, which may or may not be one of the population, likely present interferents are identified, and a calibration vector is calculated.

公开(公告)号：US5055690A

公开(公告)日：1991-10-08

申请号：US458244

申请日：1989-12-28

Applicant: Ulrich Bonne

Inventor： Ulrich Bonne

IPC: G01J1/16 ,  G01J1/44 ,  G01N21/31 ,  G01N21/35

CPC classification number: G01N21/3504 ,  G01J1/1626 ,  G01J2001/161 ,  G01J2001/4242 ,  G01N2021/3166 ,  G01N21/314 ,  G01N2201/1215

Abstract: A method of eliminating additional absorption caused by water vapor in detecting gases wherein absorption of infrared light is used to determine measured abosrption signals and interference absorption signals. The method of eliminating water vapor absorption comprises the steps of emitting infrared light from a light source into an optical cell, and admitting sample gas into the optical cell. The infrared light is passed through the optical cell to a chopper wheel which positions at least two band pass filters and the filtered light emitted from the band pass filters is detected by an infrared radiation detector. The interference caused by water vapor absorption at a measurement channel is subtracted and thus, a true measurement channel which is free of any interference caused by water vapor absorption is produced. The true measurement channel is used to positvely and accurately identify the gas. The method of this invention may also be used to eliminate interference around more than one measurement channel.

Abstract translation: 在检测气体中消除由水蒸气引起的附加吸收的方法，其中使用红外光的吸收来确定测量的吸收信号和干扰吸收信号。 消除水蒸汽吸收的方法包括以下步骤：将来自光源的红外光发射到光学单元中，并将样品气体导入光学单元。 将红外光通过光学单元传送到定位至少两个带通滤光器的斩波轮，并且通过红外辐射检测器检测从带通滤波器发射的滤波光。 减去在测量通道处的水蒸汽吸收引起的干扰，因此，产生没有由水蒸气吸收引起的任何干扰的真实的测量通道。 真正的测量通道用于正确和准确地识别气体。 本发明的方法也可用于消除多于一个测量通道周围的干扰。

公开(公告)号：US4999498A

公开(公告)日：1991-03-12

申请号：US361169

申请日：1989-06-05

Applicant: Robert N. Hunt ,  Robert L. Sandridge

Inventor： Robert N. Hunt ,  Robert L. Sandridge

IPC: G01J3/453 ,  G01N21/35

CPC classification number: G01N21/3504 ,  G01J3/453 ,  G01N2021/178 ,  G01N2201/1215

Abstract: A particular area or areas are monitored for the presence of gaseous materials, particularly pollutants by analyzing background infrared radiation present in the selected area with a spectrometer and making the results of this analysis available in a form understandable to the person or device monitoring the area for the presence of specified gaseous materials. The results of the spectrometric analysis may, for example, be displayed on a video unit or they may be printed. Apparatus useful in the practice of this invention generally includes an interferometer of the Michaelson-Morely type having specific optical characteristics, a sensitive infrared detector, electronic data processor, and a device which records and/or displays the results of the determination(s).In a preferred embodiment, no radiation concentrating or focusing elements are used ahead of the beamsplitter of the Michelson-Morely interferometer, said interferometer having imaging optics which, combined with detector size, results in the optical field of view being essentially no larger than the area of the remote source employed.

公开(公告)号：US3893770A

公开(公告)日：1975-07-08

申请号：US39425673

申请日：1973-09-04

Applicant: HITACHI LTD

Inventor： TAKAMI KATSUMI ,  SHIMBO CHIAKI ,  SUDA KYO

IPC: G01N21/31 ,  G01N21/35 ,  G01N21/34

CPC classification number: G01N21/3504 ,  G01N2201/1215

Abstract: In the analysis of mixed gases, electrical signals corresponding to the absorption spectra of a specific wavelength range corresponding to the component gases whose mutual spectrophotometric interferences are irreversible are corrected by other electrical signals simulating the interferences between the component gases.

Abstract translation: 在混合气体的分析中，对应于相互分光光度学干扰不可逆的成分气体的特定波长范围的吸收光谱的电信号通过模拟组分气体之间的干扰的其他电信号来校正。