FR1249905A - Appareil d'éclairage assurant un éclairement uniforme sur des objets perpendiculaires à une surface plane rectangulaire - Google Patents

Appareil d'éclairage assurant un éclairement uniforme sur des objets perpendiculaires à une surface plane rectangulaire

Info

Publication number
FR1249905A
FR1249905A FR810951A FR810951A FR1249905A FR 1249905 A FR1249905 A FR 1249905A FR 810951 A FR810951 A FR 810951A FR 810951 A FR810951 A FR 810951A FR 1249905 A FR1249905 A FR 1249905A
Authority
FR
France
Prior art keywords
flat surface
lighting fixture
rectangular flat
uniform illumination
providing uniform
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
FR810951A
Other languages
English (en)
Inventor
William Cremer
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
Priority to FR810951A priority Critical patent/FR1249905A/fr
Application granted granted Critical
Publication of FR1249905A publication Critical patent/FR1249905A/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
    • F21V7/09—Optical design with a combination of different curvatures
    • 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)
FR810951A 1959-11-23 1959-11-23 Appareil d'éclairage assurant un éclairement uniforme sur des objets perpendiculaires à une surface plane rectangulaire Expired FR1249905A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR810951A FR1249905A (fr) 1959-11-23 1959-11-23 Appareil d'éclairage assurant un éclairement uniforme sur des objets perpendiculaires à une surface plane rectangulaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR810951A FR1249905A (fr) 1959-11-23 1959-11-23 Appareil d'éclairage assurant un éclairement uniforme sur des objets perpendiculaires à une surface plane rectangulaire

Publications (1)

Publication Number Publication Date
FR1249905A true FR1249905A (fr) 1961-01-06

Family

ID=8721649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR810951A Expired FR1249905A (fr) 1959-11-23 1959-11-23 Appareil d'éclairage assurant un éclairement uniforme sur des objets perpendiculaires à une surface plane rectangulaire

Country Status (1)

Country Link
FR (1) FR1249905A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679893A (en) * 1970-09-03 1972-07-25 Sylvan R Schemitz And Associat Luminaire reflector comprising elliptical and parabolic segments
EP0123551A1 (fr) * 1983-04-22 1984-10-31 Quantum Lighting Limited Plafonnier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679893A (en) * 1970-09-03 1972-07-25 Sylvan R Schemitz And Associat Luminaire reflector comprising elliptical and parabolic segments
EP0123551A1 (fr) * 1983-04-22 1984-10-31 Quantum Lighting Limited Plafonnier
US4519019A (en) * 1983-04-22 1985-05-21 Quantum Lighting Limited Ceiling light fitting

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