FR1392200A - Posemètre - Google Patents

Posemètre

Info

Publication number
FR1392200A
FR1392200A FR971842A FR971842A FR1392200A FR 1392200 A FR1392200 A FR 1392200A FR 971842 A FR971842 A FR 971842A FR 971842 A FR971842 A FR 971842A FR 1392200 A FR1392200 A FR 1392200A
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
FR971842A
Other languages
English (en)
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.)
Ernst & Wilhelm Bertram Fa
Original Assignee
Ernst & Wilhelm Bertram Fa
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 Ernst & Wilhelm Bertram Fa filed Critical Ernst & Wilhelm Bertram Fa
Priority to FR971842A priority Critical patent/FR1392200A/fr
Application granted granted Critical
Publication of FR1392200A publication Critical patent/FR1392200A/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
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR971842A 1964-04-22 1964-04-22 Posemètre Expired FR1392200A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR971842A FR1392200A (fr) 1964-04-22 1964-04-22 Posemètre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR971842A FR1392200A (fr) 1964-04-22 1964-04-22 Posemètre

Publications (1)

Publication Number Publication Date
FR1392200A true FR1392200A (fr) 1965-03-12

Family

ID=8828373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR971842A Expired FR1392200A (fr) 1964-04-22 1964-04-22 Posemètre

Country Status (1)

Country Link
FR (1) FR1392200A (fr)

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