SE9904665D0 - Metod att detektera beläggningar av is och vatten - Google Patents

Metod att detektera beläggningar av is och vatten

Info

Publication number
SE9904665D0
SE9904665D0 SE9904665A SE9904665A SE9904665D0 SE 9904665 D0 SE9904665 D0 SE 9904665D0 SE 9904665 A SE9904665 A SE 9904665A SE 9904665 A SE9904665 A SE 9904665A SE 9904665 D0 SE9904665 D0 SE 9904665D0
Authority
SE
Sweden
Prior art keywords
distance
laser
light
contribute
ice
Prior art date
Application number
SE9904665A
Other languages
English (en)
Other versions
SE9904665L (sv
SE521094C2 (sv
Inventor
Sten Loefving
Original Assignee
Sten Loefving Med Firma Optica
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 Sten Loefving Med Firma Optica filed Critical Sten Loefving Med Firma Optica
Priority to SE9904665A priority Critical patent/SE521094C2/sv
Publication of SE9904665D0 publication Critical patent/SE9904665D0/sv
Publication of SE9904665L publication Critical patent/SE9904665L/sv
Publication of SE521094C2 publication Critical patent/SE521094C2/sv

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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials

Landscapes

  • 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)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE9904665A 1999-12-20 1999-12-20 Metod att detektera beläggningar av is och vatten. SE521094C2 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9904665A SE521094C2 (sv) 1999-12-20 1999-12-20 Metod att detektera beläggningar av is och vatten.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9904665A SE521094C2 (sv) 1999-12-20 1999-12-20 Metod att detektera beläggningar av is och vatten.

Publications (3)

Publication Number Publication Date
SE9904665D0 true SE9904665D0 (sv) 1999-12-20
SE9904665L SE9904665L (sv) 2001-06-21
SE521094C2 SE521094C2 (sv) 2003-09-30

Family

ID=20418201

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9904665A SE521094C2 (sv) 1999-12-20 1999-12-20 Metod att detektera beläggningar av is och vatten.

Country Status (1)

Country Link
SE (1) SE521094C2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3299993A1 (en) 2016-09-22 2018-03-28 OmniKlima AB Method and arrangement for determining a condition of a road surface
SE543227C2 (sv) * 2019-02-28 2020-10-27 Omniklima Ab Method and arrangement for determining a condition of a road surface by superposing images of NIR camera and RGB sensor

Also Published As

Publication number Publication date
SE9904665L (sv) 2001-06-21
SE521094C2 (sv) 2003-09-30

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Legal Events

Date Code Title Description
NUG Patent has lapsed