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FR878647A - Scintillating photometer - Google Patents

Scintillating photometer

Info

Publication number
FR878647A
FR878647A FR878647DA FR878647A FR 878647 A FR878647 A FR 878647A FR 878647D A FR878647D A FR 878647DA FR 878647 A FR878647 A FR 878647A
Authority
FR
France
Prior art keywords
scintillating
photometer
scintillating photometer
Prior art date
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)
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.)
Zeiss Ikon AG
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
Application granted granted Critical
Publication of FR878647A publication Critical patent/FR878647A/en
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
    • G01J1/10—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
    • G01J1/34—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 separate light paths used alternately or sequentially, e.g. flicker

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR878647D 1941-02-20 1942-01-22 Scintillating photometer Expired FR878647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE878647X 1941-02-20

Publications (1)

Publication Number Publication Date
FR878647A true FR878647A (en) 1943-01-26

Family

ID=6818633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR878647D Expired FR878647A (en) 1941-02-20 1942-01-22 Scintillating photometer

Country Status (1)

Country Link
FR (1) FR878647A (en)

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