FR2044844A6 - - Google Patents

Info

Publication number
FR2044844A6
FR2044844A6 FR6909279A FR6909279A FR2044844A6 FR 2044844 A6 FR2044844 A6 FR 2044844A6 FR 6909279 A FR6909279 A FR 6909279A FR 6909279 A FR6909279 A FR 6909279A FR 2044844 A6 FR2044844 A6 FR 2044844A6
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
FR6909279A
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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
Priority claimed from FR165207A external-priority patent/FR1583127A/fr
Application filed by Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Priority to FR6909279A priority Critical patent/FR2044844A6/fr
Priority to US00889877A priority patent/US3746452A/en
Priority to DE19691944617 priority patent/DE1944617A1/en
Priority to GB4409469A priority patent/GB1242479A/en
Application granted granted Critical
Publication of FR2044844A6 publication Critical patent/FR2044844A6/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
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors

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)
  • Spectroscopy & Molecular Physics (AREA)
FR6909279A 1968-09-05 1969-03-28 Expired FR2044844A6 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR6909279A FR2044844A6 (en) 1968-09-05 1969-03-28
US00889877A US3746452A (en) 1968-09-05 1969-09-03 Device for determining the transparency of the atmosphere
DE19691944617 DE1944617A1 (en) 1968-09-05 1969-09-03 Method for measuring the permeability of the atmosphere and device for carrying out this method
GB4409469A GB1242479A (en) 1968-09-05 1969-09-05 Optical transmission responsive apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR165207A FR1583127A (en) 1968-09-05 1968-09-05
FR6909279A FR2044844A6 (en) 1968-09-05 1969-03-28

Publications (1)

Publication Number Publication Date
FR2044844A6 true FR2044844A6 (en) 1971-02-26

Family

ID=26182212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6909279A Expired FR2044844A6 (en) 1968-09-05 1969-03-28

Country Status (1)

Country Link
FR (1) FR2044844A6 (en)

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