FR984085A - Improvements to luminescent tube lighting devices - Google Patents

Improvements to luminescent tube lighting devices

Info

Publication number
FR984085A
FR984085A FR984085DA FR984085A FR 984085 A FR984085 A FR 984085A FR 984085D A FR984085D A FR 984085DA FR 984085 A FR984085 A FR 984085A
Authority
FR
France
Prior art keywords
lighting devices
tube lighting
luminescent tube
luminescent
devices
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
French (fr)
Inventor
Louis Creze
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 FR984085A publication Critical patent/FR984085A/en
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
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • 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
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • 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
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/37—U-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR984085D 1949-02-09 1949-02-09 Improvements to luminescent tube lighting devices Expired FR984085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR984085T 1949-02-09

Publications (1)

Publication Number Publication Date
FR984085A true FR984085A (en) 1951-07-02

Family

ID=9536494

Family Applications (1)

Application Number Title Priority Date Filing Date
FR984085D Expired FR984085A (en) 1949-02-09 1949-02-09 Improvements to luminescent tube lighting devices

Country Status (1)

Country Link
FR (1) FR984085A (en)

Similar Documents

Publication Publication Date Title
FR59848E (en) Improvements to discharge tubes
FR993783A (en) Improvements to fluorescence lighting tubes
FR1019095A (en) Television tube enhancements
FR984085A (en) Improvements to luminescent tube lighting devices
FR988241A (en) Discharge tube
FR981130A (en) Luminescent tube lighting fixture
FR978563A (en) Improvements to fluorescent tubes
FR981142A (en) Luminescent tube lighting device
FR984394A (en) Tube generator
FR1011564A (en) Improvements to luminescent tube lighting installations
FR966850A (en) Luminescent tube lighting fixture
FR1021201A (en) Improvements to fluorescent lighting devices
FR991814A (en) Improvements to luminescent tubes
FR1008814A (en) Improvements to gas-filled tubes
FR1038125A (en) Improvements made to the priming switches of luminescence tubes
FR1008567A (en) Improvements to luminescent tubes
FR1071605A (en) Improvements to lighting projectors
FR1008260A (en) Luminescent Discharge Tube
FR980586A (en) Improvements to discharge lamps
FR997663A (en) Fluorescent tube anti-gas lighting installation
FR1038105A (en) Fluorescent tube lighting fixture
FR1000745A (en) Luminescent tube
FR1008259A (en) Glow-coated discharge tube
FR990614A (en) Tube microphone
FR968127A (en) Fluorescent lighting enhancements