FR1134616A - Posemètre - Google Patents

Posemètre

Info

Publication number
FR1134616A
FR1134616A FR1134616DA FR1134616A FR 1134616 A FR1134616 A FR 1134616A FR 1134616D A FR1134616D A FR 1134616DA FR 1134616 A FR1134616 A FR 1134616A
Authority
FR
France
Prior art keywords
light meter
meter
light
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
Jean-Eugene-Gabriel Petit
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 FR1134616A publication Critical patent/FR1134616A/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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR1134616D 1955-10-24 1955-10-24 Posemètre Expired FR1134616A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1134616T 1955-10-24

Publications (1)

Publication Number Publication Date
FR1134616A true FR1134616A (fr) 1957-04-15

Family

ID=9639426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1134616D Expired FR1134616A (fr) 1955-10-24 1955-10-24 Posemètre

Country Status (1)

Country Link
FR (1) FR1134616A (fr)

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