CH490639A - Directional control device for a light source consisting of at least one fluorescent tube - Google Patents

Directional control device for a light source consisting of at least one fluorescent tube

Info

Publication number
CH490639A
CH490639A CH806668A CH806668A CH490639A CH 490639 A CH490639 A CH 490639A CH 806668 A CH806668 A CH 806668A CH 806668 A CH806668 A CH 806668A CH 490639 A CH490639 A CH 490639A
Authority
CH
Switzerland
Prior art keywords
light source
control device
fluorescent tube
directional control
source consisting
Prior art date
Application number
CH806668A
Other languages
French (fr)
Inventor
Vilhelm Hagner Bo Anders
Original Assignee
Hagner Bo Anders V
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 Hagner Bo Anders V filed Critical Hagner Bo Anders V
Publication of CH490639A publication Critical patent/CH490639A/en

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
    • F21V3/00—Globes; Bowls; Cover glasses
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
CH806668A 1967-05-31 1968-05-31 Directional control device for a light source consisting of at least one fluorescent tube CH490639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE762267 1967-05-31

Publications (1)

Publication Number Publication Date
CH490639A true CH490639A (en) 1970-05-15

Family

ID=20271860

Family Applications (1)

Application Number Title Priority Date Filing Date
CH806668A CH490639A (en) 1967-05-31 1968-05-31 Directional control device for a light source consisting of at least one fluorescent tube

Country Status (4)

Country Link
CH (1) CH490639A (en)
DE (1) DE1772529A1 (en)
FR (1) FR1563590A (en)
GB (1) GB1173408A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004145A (en) * 1975-02-24 1977-01-18 Ignacio Goytisolo Taltavull Nil-luminance lighting panel
DE102004044167A1 (en) * 2004-09-13 2006-04-06 BöSha GmbH + Co KG Transparent covers for explosion-proof lights

Also Published As

Publication number Publication date
GB1173408A (en) 1969-12-10
FR1563590A (en) 1969-04-11
DE1772529A1 (en) 1971-07-15

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Legal Events

Date Code Title Description
PL Patent ceased