FR1000239A - Device for masking the light source in fluorescent tube lighting or the like - Google Patents

Device for masking the light source in fluorescent tube lighting or the like

Info

Publication number
FR1000239A
FR1000239A FR1000239DA FR1000239A FR 1000239 A FR1000239 A FR 1000239A FR 1000239D A FR1000239D A FR 1000239DA FR 1000239 A FR1000239 A FR 1000239A
Authority
FR
France
Prior art keywords
masking
light source
fluorescent tube
tube lighting
lighting
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
Hambrook Russell Jones
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 FR1000239A publication Critical patent/FR1000239A/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
    • 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)
FR1000239D 1949-11-22 1949-11-22 Device for masking the light source in fluorescent tube lighting or the like Expired FR1000239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1000239T 1949-11-22

Publications (1)

Publication Number Publication Date
FR1000239A true FR1000239A (en) 1952-02-11

Family

ID=9560306

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1000239D Expired FR1000239A (en) 1949-11-22 1949-11-22 Device for masking the light source in fluorescent tube lighting or the like

Country Status (1)

Country Link
FR (1) FR1000239A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003760A1 (en) * 1984-02-22 1985-08-29 Solar Armaturproduktion A/S Luminaire with a rodlike lamp and lamella segment therefore
EP2088363A1 (en) * 2008-02-07 2009-08-12 Dan Laursen A lamp shade made of a spiral coil spring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003760A1 (en) * 1984-02-22 1985-08-29 Solar Armaturproduktion A/S Luminaire with a rodlike lamp and lamella segment therefore
EP2088363A1 (en) * 2008-02-07 2009-08-12 Dan Laursen A lamp shade made of a spiral coil spring

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