FR731324A - Reflector for incandescent electric lamps - Google Patents

Reflector for incandescent electric lamps

Info

Publication number
FR731324A
FR731324A FR731324DA FR731324A FR 731324 A FR731324 A FR 731324A FR 731324D A FR731324D A FR 731324DA FR 731324 A FR731324 A FR 731324A
Authority
FR
France
Prior art keywords
reflector
electric lamps
incandescent electric
incandescent
lamps
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
Jacques Schweig
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 FR731324A publication Critical patent/FR731324A/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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • 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
    • F21V7/0091—Reflectors for light sources using total internal reflection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR731324D 1932-02-12 1932-02-12 Reflector for incandescent electric lamps Expired FR731324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR731324T 1932-02-12

Publications (1)

Publication Number Publication Date
FR731324A true FR731324A (en) 1932-09-01

Family

ID=9117844

Family Applications (1)

Application Number Title Priority Date Filing Date
FR731324D Expired FR731324A (en) 1932-02-12 1932-02-12 Reflector for incandescent electric lamps

Country Status (1)

Country Link
FR (1) FR731324A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421057A (en) * 1945-05-30 1947-05-27 American Display Company Adjustable reflector
EP1831601A1 (en) * 2004-12-03 2007-09-12 Acuity Brands, Inc. Luminaire reflector with light-modifying flange

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421057A (en) * 1945-05-30 1947-05-27 American Display Company Adjustable reflector
EP1831601A1 (en) * 2004-12-03 2007-09-12 Acuity Brands, Inc. Luminaire reflector with light-modifying flange
EP1831601A4 (en) * 2004-12-03 2008-02-20 Acuity Brands Inc Luminaire reflector with light-modifying flange
US7850342B2 (en) 2004-12-03 2010-12-14 Abl Ip Holding Llc Luminaire reflector with light-modifying flange

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