FR883438A - Appareil d'éclairage - Google Patents

Appareil d'éclairage

Info

Publication number
FR883438A
FR883438A FR883438DA FR883438A FR 883438 A FR883438 A FR 883438A FR 883438D A FR883438D A FR 883438DA FR 883438 A FR883438 A FR 883438A
Authority
FR
France
Prior art keywords
lighting fixture
fixture
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
English (en)
Inventor
Friedrich Richard Dietrich
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 FR883438A publication Critical patent/FR883438A/fr
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
    • F21V7/08—Optical design with elliptical curvature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR883438D 1942-06-22 1942-06-22 Appareil d'éclairage Expired FR883438A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR883438T 1942-06-22

Publications (1)

Publication Number Publication Date
FR883438A true FR883438A (fr) 1943-07-05

Family

ID=9374514

Family Applications (1)

Application Number Title Priority Date Filing Date
FR883438D Expired FR883438A (fr) 1942-06-22 1942-06-22 Appareil d'éclairage

Country Status (1)

Country Link
FR (1) FR883438A (fr)

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