JPS5420869B1 - - Google Patents

Info

Publication number
JPS5420869B1
JPS5420869B1 JP4395670A JP4395670A JPS5420869B1 JP S5420869 B1 JPS5420869 B1 JP S5420869B1 JP 4395670 A JP4395670 A JP 4395670A JP 4395670 A JP4395670 A JP 4395670A JP S5420869 B1 JPS5420869 B1 JP S5420869B1
Authority
JP
Japan
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.)
Pending
Application number
JP4395670A
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 filed Critical
Publication of JPS5420869B1 publication Critical patent/JPS5420869B1/ja
Pending 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)
JP4395670A 1969-05-22 1970-05-22 Pending JPS5420869B1 (ja)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS5420869B1 true JPS5420869B1 (ja) 1979-07-26

Family

ID=25247534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4395670A Pending JPS5420869B1 (ja) 1969-05-22 1970-05-22

Country Status (5)

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

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 (de) * 1978-08-08 1980-02-28 Bosch Gmbh Robert Vorrichtung zum messen des russgehaltes und verfahren zum selbsttaetigen nullabgleich bei dieser vorrichtung

Also Published As

Publication number Publication date
FR2048596A5 (ja) 1971-03-19
CH524138A (de) 1972-06-15
GB1313427A (en) 1973-04-11
DE2023694A1 (de) 1970-12-17

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