FR700485A - Appareil d'éclairage - Google Patents

Appareil d'éclairage

Info

Publication number
FR700485A
FR700485A FR700485DA FR700485A FR 700485 A FR700485 A FR 700485A FR 700485D A FR700485D A FR 700485DA FR 700485 A FR700485 A FR 700485A
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
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.)
G MAIN ET CIE SA
Original Assignee
G MAIN ET CIE SA
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 G MAIN ET CIE SA filed Critical G MAIN ET CIE SA
Application granted granted Critical
Publication of FR700485A publication Critical patent/FR700485A/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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR700485D 1929-11-21 1929-11-21 Appareil d'éclairage Expired FR700485A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR700485T 1929-11-21

Publications (1)

Publication Number Publication Date
FR700485A true FR700485A (fr) 1931-03-02

Family

ID=9050466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700485D Expired FR700485A (fr) 1929-11-21 1929-11-21 Appareil d'éclairage

Country Status (1)

Country Link
FR (1) FR700485A (fr)

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