DE69715030D1 - Infrarotmessgerät - Google Patents

Infrarotmessgerät

Info

Publication number
DE69715030D1
DE69715030D1 DE69715030T DE69715030T DE69715030D1 DE 69715030 D1 DE69715030 D1 DE 69715030D1 DE 69715030 T DE69715030 T DE 69715030T DE 69715030 T DE69715030 T DE 69715030T DE 69715030 D1 DE69715030 D1 DE 69715030D1
Authority
DE
Germany
Prior art keywords
measuring device
infrared measuring
infrared
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69715030T
Other languages
English (en)
Other versions
DE69715030T2 (de
Inventor
Gordon Fellows
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NDC Technologies Ltd
Original Assignee
Infrared Engineering Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Infrared Engineering Ltd filed Critical Infrared Engineering Ltd
Application granted granted Critical
Publication of DE69715030D1 publication Critical patent/DE69715030D1/de
Publication of DE69715030T2 publication Critical patent/DE69715030T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE69715030T 1996-11-19 1997-11-19 Infrarotmessgerät Expired - Lifetime DE69715030T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9624035.3A GB9624035D0 (en) 1996-11-19 1996-11-19 Infrared measuring gauge
PCT/GB1997/003176 WO1998022806A1 (en) 1996-11-19 1997-11-19 Infrared measuring gauges

Publications (2)

Publication Number Publication Date
DE69715030D1 true DE69715030D1 (de) 2002-10-02
DE69715030T2 DE69715030T2 (de) 2002-12-19

Family

ID=10803170

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69715030T Expired - Lifetime DE69715030T2 (de) 1996-11-19 1997-11-19 Infrarotmessgerät

Country Status (5)

Country Link
US (1) US6281498B1 (de)
EP (1) EP0939896B1 (de)
DE (1) DE69715030T2 (de)
GB (1) GB9624035D0 (de)
WO (1) WO1998022806A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2334097C (en) * 1998-02-06 2005-09-14 British Gas Plc Method and apparatus to detect the presence of water on a surface
GB9802473D0 (en) * 1998-02-06 1998-04-01 British Gas Plc Method and apparatus to detect the presence of water on a surface
US6548813B1 (en) * 1999-02-04 2003-04-15 Matsushita Electric Industrial Co., Ltd. Object-to-be-printed detector and print detecting method
DE60042564D1 (de) * 2000-03-02 2009-08-27 Ndc Infrared Egineering Ltd Vorrichtung zur elektromagnetischen detektion
JP2002245511A (ja) * 2001-02-15 2002-08-30 Hitachi Ltd 紙質識別方法
US6744516B2 (en) * 2001-08-21 2004-06-01 Spx Corporation Optical path structure for open path emissions sensing
GB2379976B (en) * 2001-09-20 2005-02-02 Ndc Infrared Eng Ltd Optical sampling window
US8223206B2 (en) * 2008-10-15 2012-07-17 Flir Systems, Inc. Infrared camera filter wheel systems and methods
US8569697B2 (en) * 2009-09-30 2013-10-29 Sharp Kabushiki Kaisha Liquid crystal panel, liquid crystal display device, and method for inspecting sealing resin
SG183800A1 (en) * 2010-03-18 2012-10-30 Cameron Int Corp Control and supply unit
WO2012127615A1 (ja) 2011-03-22 2012-09-27 日本たばこ産業株式会社 膨こう性測定方法
FI125721B (en) * 2012-05-25 2016-01-29 Valmet Automation Oy Apparatus and method for measuring an object comprising a cellulosic material and at least one dye containing printing ink
FI125514B (en) * 2012-05-25 2015-11-13 Valmet Automation Oy Device and method for measuring a web containing cellulose and possibly lignin
US11209358B2 (en) 2016-03-14 2021-12-28 Analog Devices, Inc. Blocking specular reflections
US20170261427A1 (en) * 2016-03-14 2017-09-14 Analog Devices, Inc. Optical measurements of chemical content
FR3050824B1 (fr) * 2016-04-27 2023-04-28 Connected Physics Procede et appareil de mesure de la concentration en eau dans un materiau diffusant la lumiere.
CN111157478A (zh) * 2020-01-13 2020-05-15 西北工业大学 面向sf6气体泄漏的分光型红外成像监测装置及方法
US11649721B2 (en) * 2020-06-23 2023-05-16 Saudi Arabian Oil Company Hydrocarbon evaluation systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551678A (en) * 1967-02-13 1970-12-29 Sybron Corp Paper parameter measurement using infrared radiation
US4006358A (en) * 1975-06-12 1977-02-01 Measurex Corporation Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
US4260262A (en) * 1978-11-28 1981-04-07 Neotec Corporation Grain quality analyzer
US4310763A (en) * 1979-10-15 1982-01-12 John Shields Electro-optical analyzer for measuring percentage by weight of fat, protein and lactose in milk
US4300049A (en) * 1980-02-27 1981-11-10 Accuray Corporation Dynamically standardized radiant energy method and apparatus for plural channel gain independent material property measurement
US4577104A (en) * 1984-01-20 1986-03-18 Accuray Corporation Measuring the percentage or fractional moisture content of paper having a variable infrared radiation scattering characteristic and containing a variable amount of a broadband infrared radiation absorber
US4823008A (en) 1987-11-05 1989-04-18 Process Automation Business, Inc. Apparatus and methods employing infrared absorption means to measure the moisture content of heavy grades of paper
JPH0648244B2 (ja) 1988-10-25 1994-06-22 横河電機株式会社 坪量の影響を低減した赤外線水分計
DK165391D0 (da) * 1991-09-27 1991-09-27 Foss Electric As Ir-maalesystem
US5250811A (en) * 1991-12-20 1993-10-05 Eastman Kodak Company Method for determining compositional information of a multilayer web

Also Published As

Publication number Publication date
WO1998022806A1 (en) 1998-05-28
US6281498B1 (en) 2001-08-28
DE69715030T2 (de) 2002-12-19
GB9624035D0 (en) 1997-01-08
EP0939896A1 (de) 1999-09-08
EP0939896B1 (de) 2002-08-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition