FR856118A - Appareil d'éclairage permettant la réversibilité de la lumière - Google Patents

Appareil d'éclairage permettant la réversibilité de la lumière

Info

Publication number
FR856118A
FR856118A FR856118DA FR856118A FR 856118 A FR856118 A FR 856118A FR 856118D A FR856118D A FR 856118DA FR 856118 A FR856118 A FR 856118A
Authority
FR
France
Prior art keywords
reversibility
light
lighting device
device allowing
allowing
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
Emilien Andre Mortier
Rene Paul Mook
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 FR856118A publication Critical patent/FR856118A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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)
FR856118D 1939-06-12 1939-06-12 Appareil d'éclairage permettant la réversibilité de la lumière Expired FR856118A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR856118T 1939-06-12

Publications (1)

Publication Number Publication Date
FR856118A true FR856118A (fr) 1940-05-30

Family

ID=9328685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856118D Expired FR856118A (fr) 1939-06-12 1939-06-12 Appareil d'éclairage permettant la réversibilité de la lumière

Country Status (1)

Country Link
FR (1) FR856118A (fr)

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