FR1043369A - Photomètre pour la photographie - Google Patents

Photomètre pour la photographie

Info

Publication number
FR1043369A
FR1043369A FR1043369DA FR1043369A FR 1043369 A FR1043369 A FR 1043369A FR 1043369D A FR1043369D A FR 1043369DA FR 1043369 A FR1043369 A FR 1043369A
Authority
FR
France
Prior art keywords
photometer
photography
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
English (en)
Inventor
Julien-Gaston Servais
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 FR1043369A publication Critical patent/FR1043369A/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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/12—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means
    • G01J1/122—Visual exposure meters for determining the exposure time in photographical recording or reproducing
    • G01J1/124—Visual exposure meters for determining the exposure time in photographical recording or reproducing based on the comparison of the intensity of measured light with a comparison source or comparison illuminated surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR1043369D 1951-09-29 1951-09-29 Photomètre pour la photographie Expired FR1043369A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1043369T 1951-09-29

Publications (1)

Publication Number Publication Date
FR1043369A true FR1043369A (fr) 1953-11-09

Family

ID=9590500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1043369D Expired FR1043369A (fr) 1951-09-29 1951-09-29 Photomètre pour la photographie

Country Status (1)

Country Link
FR (1) FR1043369A (fr)

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