DE69620640D1 - Geraet zur messung der retro-reflektion - Google Patents

Geraet zur messung der retro-reflektion

Info

Publication number
DE69620640D1
DE69620640D1 DE69620640T DE69620640T DE69620640D1 DE 69620640 D1 DE69620640 D1 DE 69620640D1 DE 69620640 T DE69620640 T DE 69620640T DE 69620640 T DE69620640 T DE 69620640T DE 69620640 D1 DE69620640 D1 DE 69620640D1
Authority
DE
Germany
Prior art keywords
retro reflection
measuring
measuring retro
reflection
retro
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
DE69620640T
Other languages
English (en)
Other versions
DE69620640T2 (de
Inventor
Ole Nielsen
Harries Hansen
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.)
Delta Lys & Optik Lyngby
Original Assignee
Delta Lys & Optik Lyngby
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 Delta Lys & Optik Lyngby filed Critical Delta Lys & Optik Lyngby
Application granted granted Critical
Publication of DE69620640D1 publication Critical patent/DE69620640D1/de
Publication of DE69620640T2 publication Critical patent/DE69620640T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/55—Specular reflectivity

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69620640T 1996-01-22 1996-12-27 Geraet zur messung der retro-reflektion Expired - Fee Related DE69620640T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK006196A DK6196A (da) 1996-01-22 1996-01-22 Retroreflektionsmåler
PCT/DK1996/000554 WO1997027470A1 (en) 1996-01-22 1996-12-27 A retro-reflective measuring apparatus

Publications (2)

Publication Number Publication Date
DE69620640D1 true DE69620640D1 (de) 2002-05-16
DE69620640T2 DE69620640T2 (de) 2003-02-13

Family

ID=8089288

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69620640T Expired - Fee Related DE69620640T2 (de) 1996-01-22 1996-12-27 Geraet zur messung der retro-reflektion

Country Status (6)

Country Link
EP (1) EP0876597B1 (de)
JP (1) JP2000503395A (de)
AU (1) AU1366497A (de)
DE (1) DE69620640T2 (de)
DK (1) DK6196A (de)
WO (1) WO1997027470A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003087792A2 (en) * 2002-04-15 2003-10-23 Delta Dansk Elektronik, Lys & Akustik Method and apparatus for measuring light reflections of an object
JP4092494B2 (ja) * 2003-08-25 2008-05-28 山田技研株式会社 路面センサー及び路面の監視制御方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0075422A3 (de) * 1981-09-17 1984-07-18 Sargrove Automation Limited Reflektorleistungsmessung
US4721389A (en) * 1985-04-18 1988-01-26 Potters Industries, Inc. Method and apparatus for measuring retroreflectivity of a reflective layer on a surface
DE4343345A1 (de) * 1993-12-18 1995-06-22 Zeiss Carl Fa Verfahren und Vorrichtungen zur Messung der reflektiven bzw. transmittierenden optischen Eigenschaften einer Probe

Also Published As

Publication number Publication date
AU1366497A (en) 1997-08-20
DK6196A (da) 1997-07-23
WO1997027470A1 (en) 1997-07-31
JP2000503395A (ja) 2000-03-21
DE69620640T2 (de) 2003-02-13
EP0876597B1 (de) 2002-04-10
EP0876597A1 (de) 1998-11-11

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee