FR2212930A5 - - Google Patents

Info

Publication number
FR2212930A5
FR2212930A5 FR7346856A FR7346856A FR2212930A5 FR 2212930 A5 FR2212930 A5 FR 2212930A5 FR 7346856 A FR7346856 A FR 7346856A FR 7346856 A FR7346856 A FR 7346856A FR 2212930 A5 FR2212930 A5 FR 2212930A5
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
FR7346856A
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.)
SCHUMAN MARK US
Original Assignee
SCHUMAN MARK US
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 US00319729A external-priority patent/US3836255A/en
Application filed by SCHUMAN MARK US filed Critical SCHUMAN MARK US
Application granted granted Critical
Publication of FR2212930A5 publication Critical patent/FR2212930A5/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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
    • G01N21/3518—Devices using gas filter correlation techniques; Devices using gas pressure modulation techniques

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
FR7346856A 1972-12-29 1973-12-28 Expired FR2212930A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00319729A US3836255A (en) 1972-04-06 1972-12-29 Spectrometric substance analyzer employing temperature modulation

Publications (1)

Publication Number Publication Date
FR2212930A5 true FR2212930A5 (fr) 1974-07-26

Family

ID=23243424

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7346856A Expired FR2212930A5 (fr) 1972-12-29 1973-12-28

Country Status (4)

Country Link
JP (1) JPS5924377B2 (fr)
CA (1) CA1000521A (fr)
DE (1) DE2364527A1 (fr)
FR (1) FR2212930A5 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2191759T3 (es) * 1995-07-13 2003-09-16 Koninkl Philips Electronics Nv Metodo y sistema para la repeticion de datos entre agrupamientos logicamente sucesivos.

Also Published As

Publication number Publication date
DE2364527A1 (de) 1974-07-04
CA1000521A (en) 1976-11-30
JPS4999084A (fr) 1974-09-19
JPS5924377B2 (ja) 1984-06-08

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Legal Events

Date Code Title Description
ST Notification of lapse