CA1141191A - Appareil pour l'observation et la mesure de la diffusion en avant - Google Patents

Appareil pour l'observation et la mesure de la diffusion en avant

Info

Publication number
CA1141191A
CA1141191A CA000361226A CA361226A CA1141191A CA 1141191 A CA1141191 A CA 1141191A CA 000361226 A CA000361226 A CA 000361226A CA 361226 A CA361226 A CA 361226A CA 1141191 A CA1141191 A CA 1141191A
Authority
CA
Canada
Prior art keywords
light
visibility meter
partition
meter defined
visibility
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
Application number
CA000361226A
Other languages
English (en)
Inventor
Frank Frugel
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1141191A publication Critical patent/CA1141191A/fr
Expired 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility

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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CA000361226A 1979-10-02 1980-09-29 Appareil pour l'observation et la mesure de la diffusion en avant Expired CA1141191A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH884979A CH639769A5 (de) 1979-10-02 1979-10-02 Sichtweitenmessgeraet nach dem prinzip der vorwaertsstreuung und dessen verwendung.
CH8849/79-2 1979-10-02

Publications (1)

Publication Number Publication Date
CA1141191A true CA1141191A (fr) 1983-02-15

Family

ID=4345438

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000361226A Expired CA1141191A (fr) 1979-10-02 1980-09-29 Appareil pour l'observation et la mesure de la diffusion en avant

Country Status (5)

Country Link
JP (1) JPS5651647A (fr)
CA (1) CA1141191A (fr)
CH (1) CH639769A5 (fr)
DE (1) DE3016610C2 (fr)
GB (1) GB2059576B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956829U (ja) * 1982-09-30 1984-04-13 ティーディーケイ株式会社 ノイズフイルタ
FI83822C (fi) * 1989-02-02 1991-08-26 Valtion Teknillinen Foerfarande och anordning foer iakttagande av trafikfoerhaollanden.
JPH079395B2 (ja) * 1990-06-12 1995-02-01 明星電気株式会社 視程測定方式
DE4106289A1 (de) * 1991-02-28 1992-09-03 Bayerische Motoren Werke Ag Pruefverfahren fuer die sichtverhaeltnisse auf fahrbahnen und vorrichtung zur durchfuehrung des verfahrens
JPH0534280A (ja) * 1991-07-26 1993-02-09 Kaijo Corp 赤外線吸収式湿度変動計
US5628609A (en) * 1996-04-05 1997-05-13 Chevron, Inc. Wheel lift vehicle lifting and towing device
US5692871A (en) * 1996-11-21 1997-12-02 Chevron, Inc. Wheel lift towing device
US5908280A (en) * 1997-04-29 1999-06-01 Allison; James Wheel lift apparatus for vehicle towing and related methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1946864A1 (de) * 1969-09-16 1971-04-01 Siemens Ag Laserentfernungsmesser
DE2135611C2 (de) * 1971-07-16 1975-02-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Modenkoppler für Peilsysteme
DE2208904C3 (de) * 1972-02-25 1975-11-06 Fruengel, Frank, Dr.-Ing., 2000 Hamburg Gerät zur Messung von Sichtwetten

Also Published As

Publication number Publication date
DE3016610C2 (de) 1984-04-26
CH639769A5 (de) 1983-11-30
GB2059576A (en) 1981-04-23
JPS5651647A (en) 1981-05-09
DE3016610A1 (de) 1981-04-16
GB2059576B (en) 1984-04-04

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Legal Events

Date Code Title Description
MKEX Expiry