FR970666A - Lanterne pour lampes à vapeur de mercure du type à haute pression - Google Patents

Lanterne pour lampes à vapeur de mercure du type à haute pression

Info

Publication number
FR970666A
FR970666A FR970666DA FR970666A FR 970666 A FR970666 A FR 970666A FR 970666D A FR970666D A FR 970666DA FR 970666 A FR970666 A FR 970666A
Authority
FR
France
Prior art keywords
lantern
high pressure
pressure type
mercury vapor
vapor lamps
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.)
General Electric Company PLC
Original Assignee
General Electric Company PLC
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 General Electric Company PLC filed Critical General Electric Company PLC
Application granted granted Critical
Publication of FR970666A publication Critical patent/FR970666A/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
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
    • 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

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR970666D 1948-08-24 1948-08-24 Lanterne pour lampes à vapeur de mercure du type à haute pression Expired FR970666A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR970666T 1948-08-24

Publications (1)

Publication Number Publication Date
FR970666A true FR970666A (fr) 1951-01-08

Family

ID=9507418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970666D Expired FR970666A (fr) 1948-08-24 1948-08-24 Lanterne pour lampes à vapeur de mercure du type à haute pression

Country Status (1)

Country Link
FR (1) FR970666A (fr)

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