FR709475A - Appareil d'éclairage - Google Patents

Appareil d'éclairage

Info

Publication number
FR709475A
FR709475A FR709475DA FR709475A FR 709475 A FR709475 A FR 709475A FR 709475D A FR709475D A FR 709475DA FR 709475 A FR709475 A FR 709475A
Authority
FR
France
Prior art keywords
lighting fixture
fixture
lighting
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
Georges Main
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 FR709475A publication Critical patent/FR709475A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR709475D 1930-04-17 1930-04-17 Appareil d'éclairage Expired FR709475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR709475T 1930-04-17

Publications (1)

Publication Number Publication Date
FR709475A true FR709475A (fr) 1931-08-07

Family

ID=9069509

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709475D Expired FR709475A (fr) 1930-04-17 1930-04-17 Appareil d'éclairage

Country Status (1)

Country Link
FR (1) FR709475A (fr)

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