FR2074695A6 - - Google Patents

Info

Publication number
FR2074695A6
FR2074695A6 FR7001805A FR7001805A FR2074695A6 FR 2074695 A6 FR2074695 A6 FR 2074695A6 FR 7001805 A FR7001805 A FR 7001805A FR 7001805 A FR7001805 A FR 7001805A FR 2074695 A6 FR2074695 A6 FR 2074695A6
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
FR7001805A
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
Application filed by Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Priority to FR7001805A priority Critical patent/FR2074695A6/fr
Priority to DE19712100264 priority patent/DE2100264A1/de
Priority to GB254371A priority patent/GB1333300A/en
Priority to US106672*[A priority patent/US3698820A/en
Application granted granted Critical
Publication of FR2074695A6 publication Critical patent/FR2074695A6/fr
Priority to JP48092974A priority patent/JPS5070077A/ja
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)
  • Optical Radar Systems And Details Thereof (AREA)
FR7001805A 1970-01-19 1970-01-19 Expired FR2074695A6 ( )

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7001805A FR2074695A6 ( ) 1970-01-19 1970-01-19
DE19712100264 DE2100264A1 (de) 1970-01-19 1971-01-05 Verfahren und Vorrichtung zur Messung der Durchlässigkeit der Atmosphäre
GB254371A GB1333300A (en) 1970-01-19 1971-01-19 Optical transmission responsive apparatus
US106672*[A US3698820A (en) 1970-01-19 1971-02-15 Apparatus for measuring the transmissive power of the atmosphere employing two transmitters and receivers
JP48092974A JPS5070077A ( ) 1970-01-19 1973-08-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7001805A FR2074695A6 ( ) 1970-01-19 1970-01-19

Publications (1)

Publication Number Publication Date
FR2074695A6 true FR2074695A6 ( ) 1971-10-08

Family

ID=9049254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7001805A Expired FR2074695A6 ( ) 1970-01-19 1970-01-19

Country Status (5)

Country Link
US (1) US3698820A ( )
JP (1) JPS5070077A ( )
DE (1) DE2100264A1 ( )
FR (1) FR2074695A6 ( )
GB (1) GB1333300A ( )

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409499A1 (fr) * 1977-11-18 1979-06-15 Asea Ab Instrument pour mesurer la visibilite

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3772525A (en) * 1972-05-01 1973-11-13 United Aircraft Corp Atmospheric transmissometer
CA1000964A (en) * 1973-04-13 1976-12-07 Aerazur Constructions Aeronautiques, Societe Anonyme Measurement of atmospheric transmission factors and intensity of ambient light
US4207561A (en) * 1975-10-31 1980-06-10 International Telephone And Telegraph Corporation Intruder alarm arrangement for an optical communication system
US4095098A (en) * 1977-02-17 1978-06-13 Looper Norman G Ratiometric transparency meter
FR2393295A1 (fr) * 1977-05-31 1978-12-29 Snecma Appareil de mesure du pouvoir transmissif de l'atmosphere
JPS58103625A (ja) * 1981-12-15 1983-06-20 Hitachi Ltd 光度計
US4529315A (en) * 1983-01-28 1985-07-16 Westinghouse Electric Corp. Multi-channel position detection system
GB2156516A (en) * 1984-03-30 1985-10-09 Nl Industries Inc System for multichannel processing of redundant wellbore sensor
US4759631A (en) * 1986-09-29 1988-07-26 Circuits And Systems, Inc. System for transmission loss comparison
GB8711309D0 (en) * 1987-05-13 1987-06-17 Combustion Dev Ltd Monitoring equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2409499A1 (fr) * 1977-11-18 1979-06-15 Asea Ab Instrument pour mesurer la visibilite

Also Published As

Publication number Publication date
GB1333300A (en) 1973-10-10
DE2100264A1 (de) 1971-07-29
JPS5070077A ( ) 1975-06-11
US3698820A (en) 1972-10-17

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