FR824078A - Device for measuring illumination - Google Patents

Device for measuring illumination

Info

Publication number
FR824078A
FR824078A FR824078DA FR824078A FR 824078 A FR824078 A FR 824078A FR 824078D A FR824078D A FR 824078DA FR 824078 A FR824078 A FR 824078A
Authority
FR
France
Prior art keywords
measuring illumination
illumination
measuring
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.)
COMMERCIALE ET TECH Sarl SO
Original Assignee
COMMERCIALE ET TECH Sarl SO
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 COMMERCIALE ET TECH Sarl SO filed Critical COMMERCIALE ET TECH Sarl SO
Application granted granted Critical
Publication of FR824078A publication Critical patent/FR824078A/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
    • G01J1/60—Photometry, e.g. photographic exposure meter by measuring the pupil of the eye

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR824078D 1936-10-17 1936-10-17 Device for measuring illumination Expired FR824078A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR824078T 1936-10-17

Publications (1)

Publication Number Publication Date
FR824078A true FR824078A (en) 1938-02-01

Family

ID=9281677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR824078D Expired FR824078A (en) 1936-10-17 1936-10-17 Device for measuring illumination

Country Status (1)

Country Link
FR (1) FR824078A (en)

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