FR2048596A5 - - Google Patents

Info

Publication number
FR2048596A5
FR2048596A5 FR7018411A FR7018411A FR2048596A5 FR 2048596 A5 FR2048596 A5 FR 2048596A5 FR 7018411 A FR7018411 A FR 7018411A FR 7018411 A FR7018411 A FR 7018411A FR 2048596 A5 FR2048596 A5 FR 2048596A5
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
FR7018411A
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.)
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 FR2048596A5 publication Critical patent/FR2048596A5/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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • 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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/86—Investigating moving sheets

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)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
FR7018411A 1969-05-22 1970-05-21 Expired FR2048596A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82678869A 1969-05-22 1969-05-22

Publications (1)

Publication Number Publication Date
FR2048596A5 true FR2048596A5 (en) 1971-03-19

Family

ID=25247534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7018411A Expired FR2048596A5 (en) 1969-05-22 1970-05-21

Country Status (5)

Country Link
JP (1) JPS5420869B1 (en)
CH (1) CH524138A (en)
DE (1) DE2023694A1 (en)
FR (1) FR2048596A5 (en)
GB (1) GB1313427A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806718A (en) * 1972-05-31 1974-04-23 Union Carbide Corp Calibration circuit suitable for centrifugal type chemical analyzer
DE2834642A1 (en) * 1978-08-08 1980-02-28 Bosch Gmbh Robert Measurement of soot in diesel engine exhausts - using filter paper and monitoring with a light beam followed by digital monitoring system

Also Published As

Publication number Publication date
JPS5420869B1 (en) 1979-07-26
DE2023694A1 (en) 1970-12-17
CH524138A (en) 1972-06-15
GB1313427A (en) 1973-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse