DE3468930D1 - Parabolic strip element for elongated lamps - Google Patents

Parabolic strip element for elongated lamps

Info

Publication number
DE3468930D1
DE3468930D1 DE8484730107T DE3468930T DE3468930D1 DE 3468930 D1 DE3468930 D1 DE 3468930D1 DE 8484730107 T DE8484730107 T DE 8484730107T DE 3468930 T DE3468930 T DE 3468930T DE 3468930 D1 DE3468930 D1 DE 3468930D1
Authority
DE
Germany
Prior art keywords
webs
strip element
elongated lamps
parabolic
transverse webs
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
DE8484730107T
Other languages
German (de)
Inventor
Armin Bansbach
Dieter Dipl Ing Albert
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.)
Semperlux GmbH
Original Assignee
Semperlux GmbH
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 Semperlux GmbH filed Critical Semperlux GmbH
Priority to DE8484730107T priority Critical patent/DE3468930D1/en
Application granted granted Critical
Publication of DE3468930D1 publication Critical patent/DE3468930D1/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
    • 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

Abstract

1. Louvre for elongated light sources, comprising longitudinal webs (1) and V-shaped transverse webs (2), the sides of said transverse webs in cross section, are designed approximately parabolic and, in longitudinal direction, have a concave upper edge (7), characterized in that the transverse webs (2), starting from their centre (A-B), increase towards the lateral longitudinal webs (1) in height and in width.
DE8484730107T 1983-10-18 1984-10-05 Parabolic strip element for elongated lamps Expired DE3468930D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8484730107T DE3468930D1 (en) 1983-10-18 1984-10-05 Parabolic strip element for elongated lamps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19838330299U DE8330299U1 (en) 1983-10-18 1983-10-18 PARABOLIC BLADE ELEMENT FOR LONG-STRETCHED LIGHT SOURCES
DE8484730107T DE3468930D1 (en) 1983-10-18 1984-10-05 Parabolic strip element for elongated lamps

Publications (1)

Publication Number Publication Date
DE3468930D1 true DE3468930D1 (en) 1988-02-25

Family

ID=6758155

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19838330299U Expired DE8330299U1 (en) 1983-10-18 1983-10-18 PARABOLIC BLADE ELEMENT FOR LONG-STRETCHED LIGHT SOURCES
DE8484730107T Expired DE3468930D1 (en) 1983-10-18 1984-10-05 Parabolic strip element for elongated lamps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19838330299U Expired DE8330299U1 (en) 1983-10-18 1983-10-18 PARABOLIC BLADE ELEMENT FOR LONG-STRETCHED LIGHT SOURCES

Country Status (3)

Country Link
EP (1) EP0138747B1 (en)
AT (1) ATE32135T1 (en)
DE (2) DE8330299U1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4882662A (en) * 1987-02-17 1989-11-21 Siemens Aktiengesellschaft Grid of lamellae for a lamp
NL9302169A (en) * 1993-12-13 1995-07-03 Simon Cornelis Van Putten Transverse lamella for a light box
NL9301557A (en) * 1993-09-09 1995-04-03 Simon Cornelis Van Putten Transverse lamella for a light box
ATE187538T1 (en) * 1993-09-09 1999-12-15 Veko Products B V CROSS SLATS FOR LIGHT BOX
NZ300261A (en) * 1995-02-14 1997-11-24 Philips Electronics Nv Luminaire with lamellae having concave outer edges for providing more uniform illumination
FR2738623A1 (en) * 1995-09-13 1997-03-14 Philips Eclairage Fluorescent light fitting with improved louvred cover
ES2272038T3 (en) * 1998-05-19 2007-04-16 Koninklijke Philips Electronics N.V. LUMINARY.
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
DE19916601C2 (en) * 1999-04-13 2002-08-01 Siteco Beleuchtungstech Gmbh Slat, luminaire grid for glare control and luminaire
EP1113219B1 (en) 1999-12-27 2008-01-02 Ludwig Leuchten KG Lamp
DE10040501B4 (en) * 2000-08-18 2006-11-30 Siteco Beleuchtungstechnik Gmbh Round light, grid for round light and slat for round light
GB0029532D0 (en) 2000-12-04 2001-01-17 Webb Steven P Reflector for a linear light source and louvre controller incorporating the same
DE60223066T2 (en) * 2001-11-01 2008-07-17 Koninklijke Philips Electronics N.V. LIGHT AND LIGHT GRID FOR SUCH LUMINAIRE
CN1625667B (en) * 2002-01-28 2012-12-05 皇家飞利浦电子股份有限公司 Luminaire with lamellas for tubular lamp
DE102004039676A1 (en) * 2004-08-16 2006-02-23 Zumtobel Staff Gmbh grid array
CN201407599Y (en) * 2009-04-24 2010-02-17 富昱电机股份有限公司 Lighting tube luminaire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024355A (en) * 1959-12-07 1962-03-06 Willis L Lipscomb Curved, cellular light control panel
DE8106507U1 (en) * 1981-03-07 1981-08-27 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg "LUMINAIRE WITH A LONG ELASTIC LAMP AND A MIRROR GRID BELOW IT"
DE3112210C2 (en) * 1981-03-27 1985-01-10 Siemens AG, 1000 Berlin und 8000 München Mirror light
AT381577B (en) * 1983-04-08 1986-11-10 Bartenbach Christian GLARE-FREE LAMP FOR A ROD-SHAPED LIGHT SOURCE

Also Published As

Publication number Publication date
EP0138747A1 (en) 1985-04-24
ATE32135T1 (en) 1988-02-15
DE8330299U1 (en) 1984-04-12
EP0138747B1 (en) 1988-01-20

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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