FR2079267A3 - - Google Patents

Info

Publication number
FR2079267A3
FR2079267A3 FR7103862A FR7103862A FR2079267A3 FR 2079267 A3 FR2079267 A3 FR 2079267A3 FR 7103862 A FR7103862 A FR 7103862A FR 7103862 A FR7103862 A FR 7103862A FR 2079267 A3 FR2079267 A3 FR 2079267A3
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
FR7103862A
Other languages
French (fr)
Other versions
FR2079267B3 (fi
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.)
DATEX Oy
Original Assignee
DATEX 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 DATEX Oy filed Critical DATEX Oy
Publication of FR2079267A3 publication Critical patent/FR2079267A3/fr
Application granted granted Critical
Publication of FR2079267B3 publication Critical patent/FR2079267B3/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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7103862A 1970-02-05 1971-02-05 Expired FR2079267B3 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI31970A FI46099C (fi) 1970-02-05 1970-02-05 Fotometri.

Publications (2)

Publication Number Publication Date
FR2079267A3 true FR2079267A3 (fi) 1971-11-12
FR2079267B3 FR2079267B3 (fi) 1973-10-19

Family

ID=8503931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7103862A Expired FR2079267B3 (fi) 1970-02-05 1971-02-05

Country Status (6)

Country Link
CA (1) CA930191A (fi)
DE (1) DE2105486A1 (fi)
FI (1) FI46099C (fi)
FR (1) FR2079267B3 (fi)
GB (1) GB1304326A (fi)
SE (1) SE359162B (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195022A1 (fi) * 1972-08-02 1974-03-01 Cometa
EP0115294A2 (en) * 1983-01-27 1984-08-08 Miles Laboratories, Inc. Photometric device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2195022A1 (fi) * 1972-08-02 1974-03-01 Cometa
EP0115294A2 (en) * 1983-01-27 1984-08-08 Miles Laboratories, Inc. Photometric device
EP0115294A3 (en) * 1983-01-27 1985-04-24 Miles Laboratories, Inc. Photometric device

Also Published As

Publication number Publication date
FI46099C (fi) 1972-12-11
DE2105486A1 (de) 1971-08-26
FI46099B (fi) 1972-08-31
CA930191A (en) 1973-07-17
SE359162B (fi) 1973-08-20
GB1304326A (fi) 1973-01-24
FR2079267B3 (fi) 1973-10-19

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