ATE263966T1 - Verfahren zur wasserdetektion an einer oberfläche - Google Patents

Verfahren zur wasserdetektion an einer oberfläche

Info

Publication number
ATE263966T1
ATE263966T1 AT99901741T AT99901741T ATE263966T1 AT E263966 T1 ATE263966 T1 AT E263966T1 AT 99901741 T AT99901741 T AT 99901741T AT 99901741 T AT99901741 T AT 99901741T AT E263966 T1 ATE263966 T1 AT E263966T1
Authority
AT
Austria
Prior art keywords
infra
wavelength
red
water
optical filter
Prior art date
Application number
AT99901741T
Other languages
English (en)
Inventor
Stuart Charles Murray
Original Assignee
Lattice Intellectual Property
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 Lattice Intellectual Property filed Critical Lattice Intellectual Property
Application granted granted Critical
Publication of ATE263966T1 publication Critical patent/ATE263966T1/de

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
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/427—Dual wavelengths spectrometry

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Geophysics And Detection Of Objects (AREA)
AT99901741T 1998-02-06 1999-01-19 Verfahren zur wasserdetektion an einer oberfläche ATE263966T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9802473.0A GB9802473D0 (en) 1998-02-06 1998-02-06 Method and apparatus to detect the presence of water on a surface
PCT/GB1999/000165 WO1999040412A1 (en) 1998-02-06 1999-01-19 Method and apparatus to detect the presence of water on a surface

Publications (1)

Publication Number Publication Date
ATE263966T1 true ATE263966T1 (de) 2004-04-15

Family

ID=10826521

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99901741T ATE263966T1 (de) 1998-02-06 1999-01-19 Verfahren zur wasserdetektion an einer oberfläche

Country Status (10)

Country Link
US (1) US6680479B1 (de)
EP (1) EP1055113B1 (de)
JP (1) JP2002502965A (de)
AT (1) ATE263966T1 (de)
AU (1) AU744111B2 (de)
CA (1) CA2318793A1 (de)
DE (1) DE69916249T2 (de)
DK (1) DK1055113T3 (de)
GB (1) GB9802473D0 (de)
WO (1) WO1999040412A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ568833A (en) * 2003-03-14 2009-05-31 Liwas Aps Life Warning System A device for detection of road surface condition
CN1898550A (zh) * 2003-12-22 2007-01-17 皇家飞利浦电子股份有限公司 光学分析系统、血液分析系统以及确定主分量幅值的方法
US20060267758A1 (en) * 2005-02-18 2006-11-30 Barth R T System and method for detection of a variety of alarm conditions
US10620032B2 (en) 2013-09-10 2020-04-14 Eaton Intelligent Power Limited Electro-optic liquid sensor with the use of reflected residual light to enable a test of the sensor
EP3044551B1 (de) * 2013-09-10 2020-03-18 Eaton Corporation Elektro-optischer flüssigkeitssensor der prüfung in flüssigkeit erlaubt
US20170294099A1 (en) * 2016-04-07 2017-10-12 Tyco Fire & Security Gmbh Method for detecting floods and spills using lifi
US11703458B2 (en) * 2020-12-06 2023-07-18 Pixart Imaging Inc. Detecting device and automatic cleaner

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885091A (en) 1973-10-24 1975-05-20 Halliburton Co Method and apparatus for pipeline inspection
GB2008745A (en) * 1977-11-03 1979-06-06 Anacon Instr Ltd Spectrophotometer
US4274091A (en) * 1978-03-09 1981-06-16 Decker Peter W Road surface ice detector and method for vehicles
GB2122768A (en) * 1982-06-18 1984-01-18 Infrared Eng Calibration standard for infrared absorption gauge
SE8406065D0 (sv) * 1984-11-30 1984-11-30 Lennart Wettervik Metod for sokning och kartleggning av inleckande vatten i spillvattenledningar
JPH03115838A (ja) 1989-09-29 1991-05-16 Kawasaki Steel Corp 赤外線による水分測定方法
JPH09311029A (ja) * 1996-05-24 1997-12-02 Mitsubishi Heavy Ind Ltd トンネル壁面の剥離検出装置
GB9624035D0 (en) 1996-11-19 1997-01-08 Infrared Eng Infrared measuring gauge
US6102617A (en) * 1998-01-13 2000-08-15 Vivian A. Hampton Impoundment leak detection, location, and containment system and method with mobile sensor

Also Published As

Publication number Publication date
CA2318793A1 (en) 1999-08-12
DE69916249D1 (de) 2004-05-13
EP1055113B1 (de) 2004-04-07
AU2174699A (en) 1999-08-23
US6680479B1 (en) 2004-01-20
WO1999040412A1 (en) 1999-08-12
GB9802473D0 (en) 1998-04-01
EP1055113A1 (de) 2000-11-29
DK1055113T3 (da) 2004-07-26
JP2002502965A (ja) 2002-01-29
DE69916249T2 (de) 2005-04-14
AU744111B2 (en) 2002-02-14

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties