FR2130819A5 - - Google Patents

Info

Publication number
FR2130819A5
FR2130819A5 FR7109954A FR7109954A FR2130819A5 FR 2130819 A5 FR2130819 A5 FR 2130819A5 FR 7109954 A FR7109954 A FR 7109954A FR 7109954 A FR7109954 A FR 7109954A FR 2130819 A5 FR2130819 A5 FR 2130819A5
Authority
FR
France
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
FR7109954A
Other languages
French (fr)
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR7109954A priority Critical patent/FR2130819A5/fr
Application granted granted Critical
Publication of FR2130819A5 publication Critical patent/FR2130819A5/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
    • 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
    • G01N21/256—Arrangements using two alternating lights and one detector

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)
  • Spectroscopy & Molecular Physics (AREA)
FR7109954A 1971-03-22 1971-03-22 Expired FR2130819A5 (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7109954A FR2130819A5 (sv) 1971-03-22 1971-03-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7109954A FR2130819A5 (sv) 1971-03-22 1971-03-22

Publications (1)

Publication Number Publication Date
FR2130819A5 true FR2130819A5 (sv) 1972-11-10

Family

ID=9073909

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7109954A Expired FR2130819A5 (sv) 1971-03-22 1971-03-22

Country Status (1)

Country Link
FR (1) FR2130819A5 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000180A1 (en) * 1977-10-05 1979-04-19 Hectronic Ag Indicator for a limit value and a measurement value

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1979000180A1 (en) * 1977-10-05 1979-04-19 Hectronic Ag Indicator for a limit value and a measurement value

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Legal Events

Date Code Title Description
TP Transmission of property