DE3874182D1 - GRID FOR FLUORESCENT LAMP LIGHTS. - Google Patents

GRID FOR FLUORESCENT LAMP LIGHTS.

Info

Publication number
DE3874182D1
DE3874182D1 DE8888104820T DE3874182T DE3874182D1 DE 3874182 D1 DE3874182 D1 DE 3874182D1 DE 8888104820 T DE8888104820 T DE 8888104820T DE 3874182 T DE3874182 T DE 3874182T DE 3874182 D1 DE3874182 D1 DE 3874182D1
Authority
DE
Germany
Prior art keywords
grid
fluorescent lamp
lamp lights
lights
fluorescent
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 - Fee Related
Application number
DE8888104820T
Other languages
German (de)
Inventor
Georg Ing Kempter
Siegfried Dipl Ing Hoefle
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.)
Zumtobel AG
Original Assignee
Zumtobel AG
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 Zumtobel AG filed Critical Zumtobel AG
Application granted granted Critical
Publication of DE3874182D1 publication Critical patent/DE3874182D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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)
  • Vessels And Coating Films For Discharge Lamps (AREA)
DE8888104820T 1987-04-13 1988-03-25 GRID FOR FLUORESCENT LAMP LIGHTS. Expired - Fee Related DE3874182D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0091687A AT386471B (en) 1987-04-13 1987-04-13 GRID FOR FLUORESCENT LAMP LIGHTS

Publications (1)

Publication Number Publication Date
DE3874182D1 true DE3874182D1 (en) 1992-10-08

Family

ID=3502778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888104820T Expired - Fee Related DE3874182D1 (en) 1987-04-13 1988-03-25 GRID FOR FLUORESCENT LAMP LIGHTS.

Country Status (3)

Country Link
EP (1) EP0286890B1 (en)
AT (1) AT386471B (en)
DE (1) DE3874182D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743406B1 (en) * 1996-01-10 1998-04-03 Vial Henri Noel IMPROVEMENT WITH SCREENING GRIDS FOR FLUORESCENT LIGHTING
NL1011025C2 (en) * 1999-01-14 2000-07-17 Juliette Simone Catharina Van Fluorescent lighting assembly has transverse laminae which have narrow section and provide greater light output than from conventional assembly
EP1090253B1 (en) 1999-04-28 2006-11-08 Koninklijke Philips Electronics N.V. Luminaire with lamellae having a gradual change in their profiles
DE10315268A1 (en) 2003-04-03 2004-10-14 Zumtobel Staff Gmbh Light influencing element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2460115B2 (en) * 1974-12-19 1977-12-22 Trilux - Lenze Gmbh + Co Kg, 5760 Arnsberg GRID COVER WITH BASICALLY PLANE CROSSED SLATS FOR LONG ELEVATED FLUORESCENT LAMPS
FR2298057A1 (en) * 1975-01-17 1976-08-13 Cegedur Fire retarding antidazzle light screen - has profiled sections of fresnel lens shape intersected by folded blades
DE2648961A1 (en) * 1976-10-28 1977-11-03 Trilux Lenze Gmbh & Co Kg Aluminium anti dazzle lampshade - has mesh of strips with both sides stepped and forming concave reflective surface
FR2485691A1 (en) * 1980-06-24 1981-12-31 Cetek Const Electrotechni Cent Reflective grille for fluorescent tube light - uses array of V=shaped parabolic segment reflectors of differing profiles and differing vertical orientation to maximise illumination
AT379228B (en) * 1984-03-06 1985-12-10 Zumtobel Ag GRID FOR FLUORESCENT LAMP LIGHTS
DE8508740U1 (en) * 1985-03-23 1985-05-15 Zumtobel Ag, Dornbirn Grid for fluorescent lamp luminaires

Also Published As

Publication number Publication date
EP0286890A3 (en) 1989-11-29
EP0286890B1 (en) 1992-09-02
EP0286890A2 (en) 1988-10-19
AT386471B (en) 1988-08-25
ATA91687A (en) 1988-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee