FR722326A - Appareil d'éclairage - Google Patents

Appareil d'éclairage

Info

Publication number
FR722326A
FR722326A FR722326DA FR722326A FR 722326 A FR722326 A FR 722326A FR 722326D A FR722326D A FR 722326DA FR 722326 A FR722326 A FR 722326A
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
Georges Main
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
G MAIN ET CIE SA
Original Assignee
G MAIN ET CIE SA
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 G MAIN ET CIE SA filed Critical G MAIN ET CIE SA
Application granted granted Critical
Publication of FR722326A publication Critical patent/FR722326A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR722326D 1930-11-26 1930-11-26 Appareil d'éclairage Expired FR722326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR722326T 1930-11-26

Publications (1)

Publication Number Publication Date
FR722326A true FR722326A (fr) 1932-03-15

Family

ID=9100929

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722326D Expired FR722326A (fr) 1930-11-26 1930-11-26 Appareil d'éclairage

Country Status (1)

Country Link
FR (1) FR722326A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751816A (en) * 1951-09-12 1956-06-26 John D Strong Paraboloidal reflector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751816A (en) * 1951-09-12 1956-06-26 John D Strong Paraboloidal reflector

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