FR937773A - Perfectionnements aux appareils d'éclairage - Google Patents

Perfectionnements aux appareils d'éclairage

Info

Publication number
FR937773A
FR937773A FR937773DA FR937773A FR 937773 A FR937773 A FR 937773A FR 937773D A FR937773D A FR 937773DA FR 937773 A FR937773 A FR 937773A
Authority
FR
France
Prior art keywords
lighting fixtures
fixtures
lighting
fixtures improvements
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)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR937773A publication Critical patent/FR937773A/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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR937773D 1945-01-01 1946-11-22 Perfectionnements aux appareils d'éclairage Expired FR937773A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US937773XA 1945-01-01 1945-01-01

Publications (1)

Publication Number Publication Date
FR937773A true FR937773A (fr) 1948-08-26

Family

ID=22240648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937773D Expired FR937773A (fr) 1945-01-01 1946-11-22 Perfectionnements aux appareils d'éclairage

Country Status (1)

Country Link
FR (1) FR937773A (fr)

Similar Documents

Publication Publication Date Title
FR1011455A (fr) Perfectionnements aux appareils d'éclairage
FR912665A (fr) Perfectionnements aux appareils d'éclairage
FR937773A (fr) Perfectionnements aux appareils d'éclairage
FR921175A (fr) Perfectionnements aux appareils d'éclairage antidéflagrants
FR923751A (fr) Appareil d'éclairage
FR944000A (fr) Perfectionnements aux appareils d'éclairage
FR953782A (fr) Perfectionnement aux appareils d'éclairage
FR1003026A (fr) Appareil d'éclairage
FR916831A (fr) Perfectionnements aux abat-jour
FR938008A (fr) Appareil d'éclairage
FR918199A (fr) Appareil d'éclairage
FR916958A (fr) Appareils d'éclairage décoratif à luminescence
FR1027128A (fr) Perfectionnements aux appareils d'éclairage
FR1016594A (fr) Perfectionnements aux appareils d'éclairage
FR934432A (fr) Perfectionnements aux synchroniseurs pour lampes-éclair
FR62040E (fr) Perfectionnements aux appareils d'éclairage
FR907485A (fr) Perfectionnements aux appareils d'éclairage
FR933155A (fr) Perfectionnements aux lampes de projection
CA429108A (fr) Monture d'eclairage
FR944880A (fr) Perfectionnement aux projecteurs lumineux
FR919649A (fr) Monture pour le réflecteur des appareils d'éclairage
FR1000662A (fr) Perfectionnements aux appareils d'éclairage indirect et semiindirect
FR56185E (fr) Perfectionnements aux appareils d'éclairage indirect et semi-indirect
FR985319A (fr) Perfectionnements aux appareils d'éclairage
FR918402A (fr) Perfectionnement aux dynamos d'éclairage pour cycles