FR1583727A - - Google Patents

Info

Publication number
FR1583727A
FR1583727A FR1583727DA FR1583727A FR 1583727 A FR1583727 A FR 1583727A FR 1583727D A FR1583727D A FR 1583727DA FR 1583727 A FR1583727 A FR 1583727A
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
Other languages
French (fr)
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 filed Critical
Application granted granted Critical
Publication of FR1583727A publication Critical patent/FR1583727A/fr
Expired legal-status Critical Current

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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation
    • 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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • 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)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR1583727D 1966-11-18 1967-10-17 Expired FR1583727A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6616304A NL6616304A (de) 1966-11-18 1966-11-18

Publications (1)

Publication Number Publication Date
FR1583727A true FR1583727A (de) 1969-12-05

Family

ID=19798231

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1583727D Expired FR1583727A (de) 1966-11-18 1967-10-17

Country Status (6)

Country Link
BE (1) BE705885A (de)
CH (1) CH499773A (de)
DE (1) DE1572695A1 (de)
FR (1) FR1583727A (de)
GB (1) GB1191719A (de)
NL (1) NL6616304A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2089537A5 (de) * 1970-07-24 1972-01-07 Instrumentation Specialties Co

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116429250B (zh) * 2023-06-14 2023-10-13 深圳深浦电气有限公司 光电检测电路、光电检测方法和光电传感器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2089537A5 (de) * 1970-07-24 1972-01-07 Instrumentation Specialties Co

Also Published As

Publication number Publication date
GB1191719A (en) 1970-05-13
DE1572695A1 (de) 1970-05-14
NL6616304A (de) 1968-05-20
CH499773A (de) 1970-11-30
BE705885A (de) 1968-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse