FR678987A - Panel illumination process, particularly applicable to the illumination of ceilings and the means to achieve it - Google Patents

Panel illumination process, particularly applicable to the illumination of ceilings and the means to achieve it

Info

Publication number
FR678987A
FR678987A FR678987DA FR678987A FR 678987 A FR678987 A FR 678987A FR 678987D A FR678987D A FR 678987DA FR 678987 A FR678987 A FR 678987A
Authority
FR
France
Prior art keywords
illumination
ceilings
achieve
particularly applicable
panel
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
Victor Lestorte
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 FR678987A publication Critical patent/FR678987A/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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • F21V7/24—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors characterised by the material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR678987D 1928-11-23 1928-11-23 Panel illumination process, particularly applicable to the illumination of ceilings and the means to achieve it Expired FR678987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR678987T 1928-11-23

Publications (1)

Publication Number Publication Date
FR678987A true FR678987A (en) 1930-04-07

Family

ID=9021377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678987D Expired FR678987A (en) 1928-11-23 1928-11-23 Panel illumination process, particularly applicable to the illumination of ceilings and the means to achieve it

Country Status (1)

Country Link
FR (1) FR678987A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0637717A1 (en) * 1993-08-02 1995-02-08 SOKA, société anonyme Lighting device with recessed deflector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0637717A1 (en) * 1993-08-02 1995-02-08 SOKA, société anonyme Lighting device with recessed deflector
FR2708715A1 (en) * 1993-08-02 1995-02-10 Soka Sa Recessed deflector lighting device.

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