BE612976A - Dispositifs d'éclairage permettant la gradation de la lumiére émise - Google Patents

Dispositifs d'éclairage permettant la gradation de la lumiére émise

Info

Publication number
BE612976A
BE612976A BE612976A BE612976A BE612976A BE 612976 A BE612976 A BE 612976A BE 612976 A BE612976 A BE 612976A BE 612976 A BE612976 A BE 612976A BE 612976 A BE612976 A BE 612976A
Authority
BE
Belgium
Prior art keywords
dimming
light emitted
lighting devices
devices allowing
allowing
Prior art date
Application number
BE612976A
Other languages
English (en)
Original Assignee
Joseph Wetzel
Anciens Etablissements Tuzet
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 Joseph Wetzel, Anciens Etablissements Tuzet filed Critical Joseph Wetzel
Publication of BE612976A publication Critical patent/BE612976A/fr

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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F21V11/18—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed movable, e.g. flaps, slides
    • 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
    • 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
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
BE612976A 1961-02-03 1962-01-23 Dispositifs d'éclairage permettant la gradation de la lumiére émise BE612976A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR851582A FR1287572A (fr) 1961-02-03 1961-02-03 Dispositif d'éclairage permettant la gradation de la lumière émise

Publications (1)

Publication Number Publication Date
BE612976A true BE612976A (fr) 1962-05-16

Family

ID=8748056

Family Applications (1)

Application Number Title Priority Date Filing Date
BE612976A BE612976A (fr) 1961-02-03 1962-01-23 Dispositifs d'éclairage permettant la gradation de la lumiére émise

Country Status (5)

Country Link
US (1) US3152766A (fr)
BE (1) BE612976A (fr)
FR (1) FR1287572A (fr)
GB (1) GB965940A (fr)
LU (1) LU41144A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8608337B2 (en) * 2010-02-18 2013-12-17 Koninklijke Philips N.V. Lighting fixture having a louvered light shield

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1490676A (en) * 1923-09-07 1924-04-15 Miller William Automatic headlight control
US1810604A (en) * 1924-02-28 1931-06-16 Gen Electric Light projector
US2065164A (en) * 1932-06-16 1936-12-22 Wetzel Joseph Nondazzling projector
US2305818A (en) * 1938-10-18 1942-12-22 Tura Paolo Antiglare device
US2502880A (en) * 1947-07-11 1950-04-04 William P Olinger Combined fog lamp and head lamp
US2617918A (en) * 1948-10-18 1952-11-11 William A Foster Fluorescent lamp shade structure

Also Published As

Publication number Publication date
FR1287572A (fr) 1962-03-16
GB965940A (en) 1964-08-06
LU41144A1 (fr) 1962-03-24
US3152766A (en) 1964-10-13

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