FR1141825A - Multicurve toric reflector with differential conical equations - Google Patents

Multicurve toric reflector with differential conical equations

Info

Publication number
FR1141825A
FR1141825A FR1141825DA FR1141825A FR 1141825 A FR1141825 A FR 1141825A FR 1141825D A FR1141825D A FR 1141825DA FR 1141825 A FR1141825 A FR 1141825A
Authority
FR
France
Prior art keywords
multicurve
equations
toric reflector
differential conical
conical
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
Robert Gallois
Maurice Deloire
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 FR1141825A publication Critical patent/FR1141825A/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
    • F21V7/09—Optical design with a combination of different curvatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/33—Elongate light sources, e.g. fluorescent tubes curved annular

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1141825D 1956-02-28 1956-02-28 Multicurve toric reflector with differential conical equations Expired FR1141825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1141825T 1956-02-28

Publications (1)

Publication Number Publication Date
FR1141825A true FR1141825A (en) 1957-09-09

Family

ID=9642899

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141825D Expired FR1141825A (en) 1956-02-28 1956-02-28 Multicurve toric reflector with differential conical equations

Country Status (1)

Country Link
FR (1) FR1141825A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951145A (en) * 1996-03-22 1999-09-14 Toshiba Lighting & Technology Corporation Lighting apparatus
DE19952502A1 (en) * 1999-10-29 2001-05-03 Acl Lichttechnik Gmbh Ceiling light for ring-shaped fluorescent tube; has annular symmetrical reflector and perpendicular light exit surface, with two circular light tubes next to each other in center of reflector
EP1526329A1 (en) * 2003-10-23 2005-04-27 PIZZIGA, Jean-Pierre Reflector for a circular lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951145A (en) * 1996-03-22 1999-09-14 Toshiba Lighting & Technology Corporation Lighting apparatus
DE19952502A1 (en) * 1999-10-29 2001-05-03 Acl Lichttechnik Gmbh Ceiling light for ring-shaped fluorescent tube; has annular symmetrical reflector and perpendicular light exit surface, with two circular light tubes next to each other in center of reflector
EP1526329A1 (en) * 2003-10-23 2005-04-27 PIZZIGA, Jean-Pierre Reflector for a circular lamp

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