FR1028780A - Diffuser for luminescent tubes - Google Patents

Diffuser for luminescent tubes

Info

Publication number
FR1028780A
FR1028780A FR1028780DA FR1028780A FR 1028780 A FR1028780 A FR 1028780A FR 1028780D A FR1028780D A FR 1028780DA FR 1028780 A FR1028780 A FR 1028780A
Authority
FR
France
Prior art keywords
diffuser
luminescent tubes
luminescent
tubes
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)
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.)
SEIDENBERG FRERES
Original Assignee
SEIDENBERG FRERES
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 SEIDENBERG FRERES filed Critical SEIDENBERG FRERES
Application granted granted Critical
Publication of FR1028780A publication Critical patent/FR1028780A/en
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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • 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
    • 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)
FR1028780D 1950-07-10 1950-07-10 Diffuser for luminescent tubes Expired FR1028780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1028780T 1950-07-10

Publications (1)

Publication Number Publication Date
FR1028780A true FR1028780A (en) 1953-05-27

Family

ID=9581489

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1028780D Expired FR1028780A (en) 1950-07-10 1950-07-10 Diffuser for luminescent tubes

Country Status (1)

Country Link
FR (1) FR1028780A (en)

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