IT1025329B - Unita strutturale ottica per un fotonetro a due raggi - Google Patents

Unita strutturale ottica per un fotonetro a due raggi

Info

Publication number
IT1025329B
IT1025329B IT28972/74A IT2897274A IT1025329B IT 1025329 B IT1025329 B IT 1025329B IT 28972/74 A IT28972/74 A IT 28972/74A IT 2897274 A IT2897274 A IT 2897274A IT 1025329 B IT1025329 B IT 1025329B
Authority
IT
Italy
Prior art keywords
photoneter
structural unit
optical structural
optical
unit
Prior art date
Application number
IT28972/74A
Other languages
English (en)
Italian (it)
Original Assignee
Hartmann & Braun 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
Application filed by Hartmann & Braun Ag filed Critical Hartmann & Braun Ag
Application granted granted Critical
Publication of IT1025329B publication Critical patent/IT1025329B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
    • G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors
    • 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)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Measuring Cells (AREA)
  • Spectrometry And Color Measurement (AREA)
IT28972/74A 1974-01-16 1974-10-30 Unita strutturale ottica per un fotonetro a due raggi IT1025329B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7401319 1974-01-16

Publications (1)

Publication Number Publication Date
IT1025329B true IT1025329B (it) 1978-08-10

Family

ID=6643327

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28972/74A IT1025329B (it) 1974-01-16 1974-10-30 Unita strutturale ottica per un fotonetro a due raggi

Country Status (5)

Country Link
US (1) US3932041A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5445087Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2257899B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1476535A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1025329B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467213A (en) * 1982-06-28 1984-08-21 Beckman Instruments, Inc. Source assembly for gas analysis instruments

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227147A (en) * 1938-03-24 1940-12-31 American District Telegraph Co Photoelectric burglar alarm system
FR1389955A (fr) * 1964-04-09 1965-02-19 Hartmann & Braun Ag Photomètre à diffusion
CH514838A (de) * 1970-04-17 1971-10-31 Jaeger Erich Gerät zur Gasanalyse
DE2065118A1 (de) * 1970-10-27 1972-07-20 Siemens Ag Lichtzerhacker für ein nach dem Zweistrahlprinzip arbeitendes Ultrarot-Gasanalysegerät. Ausscheidung aus: 2052609
JPS516142Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-04-16 1976-02-19

Also Published As

Publication number Publication date
FR2257899B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-12-31
GB1476535A (en) 1977-06-16
JPS50100584U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-08-20
US3932041A (en) 1976-01-13
JPS5445087Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-12-24
FR2257899A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-08-08

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