FR1275268A - Luminancemètre - Google Patents

Luminancemètre

Info

Publication number
FR1275268A
FR1275268A FR845314A FR845314A FR1275268A FR 1275268 A FR1275268 A FR 1275268A FR 845314 A FR845314 A FR 845314A FR 845314 A FR845314 A FR 845314A FR 1275268 A FR1275268 A FR 1275268A
Authority
FR
France
Prior art keywords
luminance meter
luminance
meter
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
FR845314A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR845314A priority Critical patent/FR1275268A/fr
Application granted granted Critical
Publication of FR1275268A publication Critical patent/FR1275268A/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)
FR845314A 1960-11-29 1960-11-29 Luminancemètre Expired FR1275268A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR845314A FR1275268A (fr) 1960-11-29 1960-11-29 Luminancemètre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR845314A FR1275268A (fr) 1960-11-29 1960-11-29 Luminancemètre

Publications (1)

Publication Number Publication Date
FR1275268A true FR1275268A (fr) 1961-11-03

Family

ID=8743635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845314A Expired FR1275268A (fr) 1960-11-29 1960-11-29 Luminancemètre

Country Status (1)

Country Link
FR (1) FR1275268A (fr)

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