CH196012A - Photoelectric light meter. - Google Patents

Photoelectric light meter.

Info

Publication number
CH196012A
CH196012A CH196012DA CH196012A CH 196012 A CH196012 A CH 196012A CH 196012D A CH196012D A CH 196012DA CH 196012 A CH196012 A CH 196012A
Authority
CH
Switzerland
Prior art keywords
light meter
photoelectric light
photoelectric
meter
light
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Zeiss Ikon
Original Assignee
Zeiss Ikon Ag
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 Zeiss Ikon Ag filed Critical Zeiss Ikon Ag
Publication of CH196012A publication Critical patent/CH196012A/en

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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/06—Restricting the angle of incident light
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0477—Prisms, wedges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Elements Other Than Lenses (AREA)
CH196012D 1935-07-10 1936-06-03 Photoelectric light meter. CH196012A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE475203X 1935-07-10

Publications (1)

Publication Number Publication Date
CH196012A true CH196012A (en) 1938-02-28

Family

ID=6541816

Family Applications (1)

Application Number Title Priority Date Filing Date
CH196012D CH196012A (en) 1935-07-10 1936-06-03 Photoelectric light meter.

Country Status (2)

Country Link
CH (1) CH196012A (en)
GB (1) GB475203A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134021A (en) * 1959-08-01 1964-05-19 Zeiss Ikon Ag Photoelectric exposure meters with light ray limiters

Also Published As

Publication number Publication date
GB475203A (en) 1937-11-16

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