FR2132405A1 - - Google Patents

Info

Publication number
FR2132405A1
FR2132405A1 FR7211754A FR7211754A FR2132405A1 FR 2132405 A1 FR2132405 A1 FR 2132405A1 FR 7211754 A FR7211754 A FR 7211754A FR 7211754 A FR7211754 A FR 7211754A FR 2132405 A1 FR2132405 A1 FR 2132405A1
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.)
Granted
Application number
FR7211754A
Other versions
FR2132405B1 (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.)
Siemens AG
Original Assignee
Siemens AG
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 DE19712116849 external-priority patent/DE2116849C/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of FR2132405A1 publication Critical patent/FR2132405A1/fr
Application granted granted Critical
Publication of FR2132405B1 publication Critical patent/FR2132405B1/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
    • G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
FR7211754A 1971-04-06 1972-04-04 Expired FR2132405B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712116849 DE2116849C (de) 1971-04-06 Vorrichtung zur Einstellung der beiden Strahlenbünde) eines optischen Zweistrahlgerätes auf gleiche Intensität, vorzugsweise zur Nullpunkteinstellung eines Infrarot-Gasanalysegeräts

Publications (2)

Publication Number Publication Date
FR2132405A1 true FR2132405A1 (fr) 1972-11-17
FR2132405B1 FR2132405B1 (fr) 1976-10-29

Family

ID=5804051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7211754A Expired FR2132405B1 (fr) 1971-04-06 1972-04-04

Country Status (6)

Country Link
US (1) US3758786A (fr)
BE (1) BE781757A (fr)
FR (1) FR2132405B1 (fr)
GB (1) GB1348233A (fr)
IT (1) IT950955B (fr)
LU (1) LU65102A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389876A1 (fr) * 1977-05-07 1978-12-01 Leybold Heraeus Gmbh & Co Kg

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125314A (en) * 1977-05-05 1978-11-14 Dr. Ralph M. Grant Engineering Consultants, Inc. Beam ratio control for holography

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754424A (en) * 1953-01-30 1956-07-10 Perkin Elmer Corp Non-dispersion analyzers
US3105147A (en) * 1961-04-03 1963-09-24 Beckman Instruments Inc Monobeam infrared gas analyzer with means to control the phase difference between the two cells

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2389876A1 (fr) * 1977-05-07 1978-12-01 Leybold Heraeus Gmbh & Co Kg

Also Published As

Publication number Publication date
DE2116849B2 (de) 1972-07-06
GB1348233A (en) 1974-03-13
BE781757A (fr) 1972-10-06
US3758786A (en) 1973-09-11
IT950955B (it) 1973-06-20
DE2116849A1 (fr) 1972-07-06
FR2132405B1 (fr) 1976-10-29
LU65102A1 (fr) 1972-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse