FR1123121A - Lighting device fitted with a tubular light source - Google Patents

Lighting device fitted with a tubular light source

Info

Publication number
FR1123121A
FR1123121A FR1123121DA FR1123121A FR 1123121 A FR1123121 A FR 1123121A FR 1123121D A FR1123121D A FR 1123121DA FR 1123121 A FR1123121 A FR 1123121A
Authority
FR
France
Prior art keywords
light source
lighting device
tubular light
device fitted
fitted
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1123121A publication Critical patent/FR1123121A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • 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)
FR1123121D 1954-04-29 1955-04-27 Lighting device fitted with a tubular light source Expired FR1123121A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1123121X 1954-04-29

Publications (1)

Publication Number Publication Date
FR1123121A true FR1123121A (en) 1956-09-18

Family

ID=19869687

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1123121D Expired FR1123121A (en) 1954-04-29 1955-04-27 Lighting device fitted with a tubular light source

Country Status (1)

Country Link
FR (1) FR1123121A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1167772B (en) * 1960-07-28 1964-04-16 Trilux Lenze Gmbh & Co Kg Trough-shaped mirror light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1167772B (en) * 1960-07-28 1964-04-16 Trilux Lenze Gmbh & Co Kg Trough-shaped mirror light

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