FR2544078B1 - Detecteurs optiques d'aerosols solides ou liquides presents dans l'atmosphere - Google Patents

Detecteurs optiques d'aerosols solides ou liquides presents dans l'atmosphere

Info

Publication number
FR2544078B1
FR2544078B1 FR8305524A FR8305524A FR2544078B1 FR 2544078 B1 FR2544078 B1 FR 2544078B1 FR 8305524 A FR8305524 A FR 8305524A FR 8305524 A FR8305524 A FR 8305524A FR 2544078 B1 FR2544078 B1 FR 2544078B1
Authority
FR
France
Prior art keywords
atmosphere
liquid aerosol
optical solid
detectors present
aerosol detectors
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
FR8305524A
Other languages
English (en)
Other versions
FR2544078A1 (fr
Inventor
Georges Manolikakis
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
Priority to FR8305524A priority Critical patent/FR2544078B1/fr
Publication of FR2544078A1 publication Critical patent/FR2544078A1/fr
Application granted granted Critical
Publication of FR2544078B1 publication Critical patent/FR2544078B1/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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's

Landscapes

  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR8305524A 1983-04-05 1983-04-05 Detecteurs optiques d'aerosols solides ou liquides presents dans l'atmosphere Expired FR2544078B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8305524A FR2544078B1 (fr) 1983-04-05 1983-04-05 Detecteurs optiques d'aerosols solides ou liquides presents dans l'atmosphere

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8305524A FR2544078B1 (fr) 1983-04-05 1983-04-05 Detecteurs optiques d'aerosols solides ou liquides presents dans l'atmosphere

Publications (2)

Publication Number Publication Date
FR2544078A1 FR2544078A1 (fr) 1984-10-12
FR2544078B1 true FR2544078B1 (fr) 1987-12-04

Family

ID=9287523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8305524A Expired FR2544078B1 (fr) 1983-04-05 1983-04-05 Detecteurs optiques d'aerosols solides ou liquides presents dans l'atmosphere

Country Status (1)

Country Link
FR (1) FR2544078B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872588A (en) * 1953-11-16 1959-02-03 Phillips Petroleum Co Analyzer
US3807875A (en) * 1971-06-09 1974-04-30 Corning Glass Works Densitometry apparatus
US3910701A (en) * 1973-07-30 1975-10-07 George R Henderson Method and apparatus for measuring light reflectance absorption and or transmission
GB1560731A (en) * 1977-04-25 1980-02-06 Graviner Ltd Radiation responsive devices
US4242673A (en) * 1978-03-13 1980-12-30 American District Telegraph Company Optical particle detector

Also Published As

Publication number Publication date
FR2544078A1 (fr) 1984-10-12

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