IT1144270B - PHOTOMETER - Google Patents

PHOTOMETER

Info

Publication number
IT1144270B
IT1144270B IT67927/81A IT6792781A IT1144270B IT 1144270 B IT1144270 B IT 1144270B IT 67927/81 A IT67927/81 A IT 67927/81A IT 6792781 A IT6792781 A IT 6792781A IT 1144270 B IT1144270 B IT 1144270B
Authority
IT
Italy
Prior art keywords
photometer
Prior art date
Application number
IT67927/81A
Other languages
Italian (it)
Other versions
IT8167927A0 (en
Inventor
Pauli Jarvinen
Original Assignee
Eflab Oy
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 Eflab Oy filed Critical Eflab Oy
Publication of IT8167927A0 publication Critical patent/IT8167927A0/en
Application granted granted Critical
Publication of IT1144270B publication Critical patent/IT1144270B/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
IT67927/81A 1980-07-11 1981-07-03 PHOTOMETER IT1144270B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI802220A FI802220A (en) 1980-07-11 1980-07-11 INTEGRATED PHOTOMETER

Publications (2)

Publication Number Publication Date
IT8167927A0 IT8167927A0 (en) 1981-07-03
IT1144270B true IT1144270B (en) 1986-10-29

Family

ID=8513620

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67927/81A IT1144270B (en) 1980-07-11 1981-07-03 PHOTOMETER

Country Status (6)

Country Link
JP (1) JPS5749841A (en)
DE (1) DE3124312A1 (en)
FI (1) FI802220A (en)
FR (1) FR2493521B1 (en)
GB (1) GB2079934B (en)
IT (1) IT1144270B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615260C2 (en) * 1986-05-06 1994-09-01 Krieg Gunther Method and system for the detection of optically absorbing compounds in a medium by optical transmission measurement
JP3345890B2 (en) * 1990-08-06 2002-11-18 株式会社ニコン System camera and rear conversion lens barrel
CA2051986C (en) * 1990-10-04 1998-06-30 Joseph F. Bader Programmable emergency signalling device and system
DE69124726T2 (en) * 1990-10-25 1997-07-03 Mitsubishi Electric Corp Distance detection device for a motor vehicle
JP2671615B2 (en) * 1991-02-18 1997-10-29 三菱電機株式会社 Guardrail detector
DE4326694C2 (en) * 1993-08-10 2003-12-24 Gunther Krieg Device for the detection of urine in containers
JP2008286816A (en) 2007-05-15 2008-11-27 Olympus Imaging Corp Focus detection optical system and imaging apparatus using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563661A (en) * 1969-08-29 1971-02-16 Battelle Development Corp Integrating nephelometer
DE2220231A1 (en) * 1972-04-25 1973-11-08 Serv Anstalt PHOTOMETER FOR DIGITAL DISPLAY OF LIGHT ABSORPTION OF A MEASURING SAMPLE IN A CUVETTE
US3954342A (en) * 1974-03-28 1976-05-04 Jan Boeke Optical device for monitoring clarity of a fluid

Also Published As

Publication number Publication date
FR2493521A1 (en) 1982-05-07
DE3124312A1 (en) 1982-04-08
IT8167927A0 (en) 1981-07-03
GB2079934B (en) 1984-04-18
GB2079934A (en) 1982-01-27
JPS5749841A (en) 1982-03-24
FR2493521B1 (en) 1985-06-14
FI802220A (en) 1982-01-12

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