BE646627A - - Google Patents

Info

Publication number
BE646627A
BE646627A BE646627A BE646627A BE646627A BE 646627 A BE646627 A BE 646627A BE 646627 A BE646627 A BE 646627A BE 646627 A BE646627 A BE 646627A BE 646627 A BE646627 A BE 646627A
Authority
BE
Belgium
Application number
BE646627A
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
Publication of BE646627A publication Critical patent/BE646627A/xx

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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • 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)
BE646627A 1957-06-21 1964-04-16 BE646627A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US667108A US3009054A (en) 1957-06-21 1957-06-21 Prismatic lighting fixture

Publications (1)

Publication Number Publication Date
BE646627A true BE646627A (ja) 1964-10-16

Family

ID=24676820

Family Applications (1)

Application Number Title Priority Date Filing Date
BE646627A BE646627A (ja) 1957-06-21 1964-04-16

Country Status (2)

Country Link
US (1) US3009054A (ja)
BE (1) BE646627A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748547A (en) * 1987-02-06 1988-05-31 Baker Glenn A Uplight luminaire for achieving uniform illuminance across a ceiling

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065333A (en) * 1961-03-13 1962-11-20 Spaulding Fluorescent lighting fixture
US3130924A (en) * 1961-09-27 1964-04-28 John W Gish Non-glare lamp
US4059755A (en) * 1975-12-29 1977-11-22 Armstrong Cork Company Luminaire lens insert
US4053762A (en) * 1975-12-29 1977-10-11 Armstrong Cork Company Twin-beam luminaire lens
US4078169A (en) * 1976-08-23 1978-03-07 Armstrong J Delvin Apparatus for promoting plant growth with artificial light
US4115843A (en) * 1977-05-04 1978-09-19 Dominion Auto Accessories Limited Warning lamp
US4488208A (en) * 1982-08-20 1984-12-11 Union-Reed Corporation Low brightness lens for circular fluorescent lamps
US7229192B2 (en) * 2004-06-18 2007-06-12 Acuity Brands, Inc. Light fixture and lens assembly for same
DE102004040130A1 (de) 2004-08-18 2006-02-23 Aldi Einkauf Gmbh & Co. Ohg Beleuchtungseinrichtung
US8220957B2 (en) 2007-02-12 2012-07-17 Abl Ip Holding Llc Retrofit light assembly
US8153894B2 (en) 2008-04-01 2012-04-10 Abl Ip Holding Llc Mounting system
USD612534S1 (en) 2008-04-24 2010-03-23 Abl Ip Holding Llc Bracket
USD640825S1 (en) 2008-04-24 2011-06-28 Abl Ip Holding Llc Louver
DE102008060874A1 (de) * 2008-12-09 2010-06-10 Manfred Grimm Leuchte
CN101881413A (zh) * 2009-05-06 2010-11-10 富士迈半导体精密工业（上海）有限公司 照明装置
JP2015115220A (ja) * 2013-12-12 2015-06-22 東芝ライテック株式会社 照明装置
USD806930S1 (en) * 2016-01-27 2018-01-02 Fluxwerx Illumination Inc. Suspended luminaire
USD815333S1 (en) * 2017-08-30 2018-04-10 Fluxwerx Illumination Inc. Suspended luminaire

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1900551A (en) * 1931-02-28 1933-03-07 Edwin F Guth Lighting unit for reflected illumination
US1923653A (en) * 1932-02-08 1933-08-22 James E Brailey Headlight
US2125635A (en) * 1935-01-14 1938-08-02 John P Hobart Illuminating device
US2318716A (en) * 1941-07-05 1943-05-11 Holophane Co Inc Luminaire
US2368014A (en) * 1943-02-10 1945-01-23 Holophane Co Inc Luminaire

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748547A (en) * 1987-02-06 1988-05-31 Baker Glenn A Uplight luminaire for achieving uniform illuminance across a ceiling

Also Published As

Publication number Publication date
US3009054A (en) 1961-11-14

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