JPS4946272B1 - - Google Patents

Info

Publication number
JPS4946272B1
JPS4946272B1 JP43087520A JP8752068A JPS4946272B1 JP S4946272 B1 JPS4946272 B1 JP S4946272B1 JP 43087520 A JP43087520 A JP 43087520A JP 8752068 A JP8752068 A JP 8752068A JP S4946272 B1 JPS4946272 B1 JP S4946272B1
Authority
JP
Japan
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.)
Pending
Application number
JP43087520A
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
Publication of JPS4946272B1 publication Critical patent/JPS4946272B1/ja
Pending 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
    • G01N21/27—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
    • 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
    • G01J1/18—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors using comparison with a reference electric value

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
JP43087520A 1967-12-12 1968-11-29 Pending JPS4946272B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68996067A 1967-12-12 1967-12-12

Publications (1)

Publication Number Publication Date
JPS4946272B1 true JPS4946272B1 (ja) 1974-12-09

Family

ID=24770534

Family Applications (1)

Application Number Title Priority Date Filing Date
JP43087520A Pending JPS4946272B1 (ja) 1967-12-12 1968-11-29

Country Status (5)

Country Link
US (1) US3476940A (ja)
JP (1) JPS4946272B1 (ja)
BE (1) BE725277A (ja)
DE (1) DE1814077A1 (ja)
GB (1) GB1253547A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3571599A (en) * 1969-02-24 1971-03-23 Eastman Kodak Co Photomultiplier tube circuit employing varistor
JPS6057762A (ja) * 1983-09-08 1985-04-03 Dainippon Screen Mfg Co Ltd 画像走査記録装置における光電子増倍管の印加電圧調整方法
GB2255634A (en) * 1991-05-10 1992-11-11 British Steel Plc Photomultiplier tube for thickness measurement
US20030048375A1 (en) * 2001-09-11 2003-03-13 Thorstein Seim Method and apparatus for digitizing light measurements by computer control of light source emission
CN109917840B (zh) * 2019-03-07 2023-05-02 浙江大学 光电倍增管专用高压电源的输出电压调节装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605430A (en) * 1946-02-20 1952-07-29 Henry O Marcy Automatic gain control circuit for electron multiplier phototubes
US2840720A (en) * 1956-03-19 1958-06-24 Albert B Van Rennes Multiplier phototube stabilizing circuit

Also Published As

Publication number Publication date
DE1814077A1 (de) 1969-07-24
GB1253547A (en) 1971-11-17
US3476940A (en) 1969-11-04
BE725277A (ja) 1969-05-16

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