JPS4946269B1 - - Google Patents

Info

Publication number
JPS4946269B1
JPS4946269B1 JP43061405A JP6140568A JPS4946269B1 JP S4946269 B1 JPS4946269 B1 JP S4946269B1 JP 43061405 A JP43061405 A JP 43061405A JP 6140568 A JP6140568 A JP 6140568A JP S4946269 B1 JPS4946269 B1 JP S4946269B1
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
JP43061405A
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 JPS4946269B1 publication Critical patent/JPS4946269B1/ja
Pending 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
    • G01J1/10—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
    • G01J1/22—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 a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—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 a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
JP43061405A 1967-08-28 1968-08-28 Pending JPS4946269B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66384467A 1967-08-28 1967-08-28

Publications (1)

Publication Number Publication Date
JPS4946269B1 true JPS4946269B1 (ja) 1974-12-09

Family

ID=24663483

Family Applications (1)

Application Number Title Priority Date Filing Date
JP43061405A Pending JPS4946269B1 (ja) 1967-08-28 1968-08-28

Country Status (4)

Country Link
US (1) US3529898A (ja)
JP (1) JPS4946269B1 (ja)
DE (1) DE1797004A1 (ja)
GB (1) GB1236285A (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1414311A (en) * 1972-07-12 1975-11-19 Pye Ltd Sepctrophotometers
US4601395A (en) * 1984-04-23 1986-07-22 Owens-Illinois, Inc. Inspecting and sorting of glass containers
CN115078187B (zh) * 2022-06-30 2023-04-11 佐竹机械(苏州)有限公司 一套辅助分析颗粒物料的设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2186203A (en) * 1937-12-11 1940-01-09 Centeno Melchor Optical filter
US3013470A (en) * 1958-07-31 1961-12-19 Texaco Inc Wedge structure for a double beam spectrophotometer
DE1158362B (de) * 1961-06-28 1963-11-28 Leitz Ernst Gmbh Verfahren und Vorrichtung zur Belichtungsregelung fuer mikrophotographische Aufnahmen
US3347616A (en) * 1962-05-28 1967-10-17 Tokyo Shibaura Electric Co Photometric comb minimizing photometric errors arising from non-uniformity of illumination

Also Published As

Publication number Publication date
GB1236285A (en) 1971-06-23
US3529898A (en) 1970-09-22
DE1797004A1 (de) 1971-07-08

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