GB2229269B - Surface moisture detection - Google Patents

Surface moisture detection

Info

Publication number
GB2229269B
GB2229269B GB9003148A GB9003148A GB2229269B GB 2229269 B GB2229269 B GB 2229269B GB 9003148 A GB9003148 A GB 9003148A GB 9003148 A GB9003148 A GB 9003148A GB 2229269 B GB2229269 B GB 2229269B
Authority
GB
United Kingdom
Prior art keywords
surface moisture
moisture detection
detection
moisture
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 - Fee Related
Application number
GB9003148A
Other versions
GB2229269A (en
GB9003148D0 (en
Inventor
Ian Robert Fothergill
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB9003148D0 publication Critical patent/GB9003148D0/en
Publication of GB2229269A publication Critical patent/GB2229269A/en
Application granted granted Critical
Publication of GB2229269B publication Critical patent/GB2229269B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/38—Investigating fluid-tightness of structures by using light
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • 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
    • G01N2021/1738—Optionally different kinds of measurements; Method being valid for different kinds of measurement
    • G01N2021/1742—Optionally different kinds of measurements; Method being valid for different kinds of measurement either absorption or reflection
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N2021/8405—Application to two-phase or mixed materials, e.g. gas dissolved in liquids
    • 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
    • G01N21/59—Transmissivity
    • G01N21/5907—Densitometers
    • G01N21/5911—Densitometers of the scanning type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0696—Pulsed
    • G01N2201/0697—Pulsed lasers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9003148A 1989-02-16 1990-02-12 Surface moisture detection Expired - Fee Related GB2229269B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898903556A GB8903556D0 (en) 1989-02-16 1989-02-16 Surface moisture detection

Publications (3)

Publication Number Publication Date
GB9003148D0 GB9003148D0 (en) 1990-04-11
GB2229269A GB2229269A (en) 1990-09-19
GB2229269B true GB2229269B (en) 1993-04-21

Family

ID=10651809

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898903556A Pending GB8903556D0 (en) 1989-02-16 1989-02-16 Surface moisture detection
GB9003148A Expired - Fee Related GB2229269B (en) 1989-02-16 1990-02-12 Surface moisture detection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898903556A Pending GB8903556D0 (en) 1989-02-16 1989-02-16 Surface moisture detection

Country Status (1)

Country Link
GB (2) GB8903556D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270546A (en) * 1992-04-29 1993-12-14 Mpb Technologies Inc. Method and apparatus for non-contact, rapid and continuous moisture measurements
DE19542872C1 (en) * 1995-11-17 1997-01-30 Krupp Ag Hoesch Krupp Process for the detection of lubricating film on rails
GB2396006B (en) * 1999-06-23 2004-08-25 Patrick Toomey Water detection and source identification methods for structures using electromagnetic radiation spectroscopy
WO2000079235A1 (en) * 1999-06-23 2000-12-28 Patrick Toomey Water detection and source identification methods for structures using electromagnetic radiation spectroscopy

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB371177A (en) * 1931-05-07 1932-04-21 B F Sturtevant Co Improved method and means for controlling the vapour content or humidity of air and other gases
GB1484613A (en) * 1973-10-29 1977-09-01 Karl G Windscreen soiling sensor
EP0005696A1 (en) * 1977-03-19 1979-12-12 Peter Dr.-Ing. Decker Slippery road alarming device
EP0009414A1 (en) * 1978-09-25 1980-04-02 Raymond James Noack Apparatus and method for controlling windscreen wiper and windscreen washer apparatus of a vehicle
GB2056059A (en) * 1979-08-10 1981-03-11 Bosch Gmbh Robert A method of assessing the quality of a system comprising a wiper blade and the surface of a windscreen
GB1596050A (en) * 1978-05-30 1981-08-19 Casswell P H Vehicle window wiping arrangements
GB2127540A (en) * 1982-09-22 1984-04-11 Unicell Ltd Condensation prevention apparatus
US4737629A (en) * 1985-05-21 1988-04-12 Nippondenso Co., Ltd. Automatic windscreen defogger
GB2208433A (en) * 1987-07-31 1989-03-30 Veglia Borletti Srl Detecting water droplets on a vehicle window and controlling windscreen wiper in response thereto
GB2208434A (en) * 1987-07-31 1989-03-30 Veglia Borletti Srl Detecting water droplets on a vehicle window and controlling windscreen wiper in response thereto

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB371177A (en) * 1931-05-07 1932-04-21 B F Sturtevant Co Improved method and means for controlling the vapour content or humidity of air and other gases
GB1484613A (en) * 1973-10-29 1977-09-01 Karl G Windscreen soiling sensor
EP0005696A1 (en) * 1977-03-19 1979-12-12 Peter Dr.-Ing. Decker Slippery road alarming device
GB1596050A (en) * 1978-05-30 1981-08-19 Casswell P H Vehicle window wiping arrangements
EP0009414A1 (en) * 1978-09-25 1980-04-02 Raymond James Noack Apparatus and method for controlling windscreen wiper and windscreen washer apparatus of a vehicle
GB2056059A (en) * 1979-08-10 1981-03-11 Bosch Gmbh Robert A method of assessing the quality of a system comprising a wiper blade and the surface of a windscreen
GB2127540A (en) * 1982-09-22 1984-04-11 Unicell Ltd Condensation prevention apparatus
US4737629A (en) * 1985-05-21 1988-04-12 Nippondenso Co., Ltd. Automatic windscreen defogger
GB2208433A (en) * 1987-07-31 1989-03-30 Veglia Borletti Srl Detecting water droplets on a vehicle window and controlling windscreen wiper in response thereto
GB2208434A (en) * 1987-07-31 1989-03-30 Veglia Borletti Srl Detecting water droplets on a vehicle window and controlling windscreen wiper in response thereto

Also Published As

Publication number Publication date
GB2229269A (en) 1990-09-19
GB8903556D0 (en) 1989-04-05
GB9003148D0 (en) 1990-04-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990212