FR1100012A - Comparateur photométrique pour tireuse photographique - Google Patents

Comparateur photométrique pour tireuse photographique

Info

Publication number
FR1100012A
FR1100012A FR1100012DA FR1100012A FR 1100012 A FR1100012 A FR 1100012A FR 1100012D A FR1100012D A FR 1100012DA FR 1100012 A FR1100012 A FR 1100012A
Authority
FR
France
Prior art keywords
photometric
comparator
photographic printer
photographic
printer
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
Bernard Jodot
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 FR1100012A publication Critical patent/FR1100012A/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)
FR1100012D 1954-02-19 1954-02-19 Comparateur photométrique pour tireuse photographique Expired FR1100012A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1100012T 1954-02-19

Publications (1)

Publication Number Publication Date
FR1100012A true FR1100012A (fr) 1955-09-15

Family

ID=9620118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1100012D Expired FR1100012A (fr) 1954-02-19 1954-02-19 Comparateur photométrique pour tireuse photographique

Country Status (1)

Country Link
FR (1) FR1100012A (fr)

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