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NO167944C - DEVICE FOR LIGHT RANGE LIGHT - Google Patents

DEVICE FOR LIGHT RANGE LIGHT

Info

Publication number
NO167944C
NO167944C NO891443A NO891443A NO167944C NO 167944 C NO167944 C NO 167944C NO 891443 A NO891443 A NO 891443A NO 891443 A NO891443 A NO 891443A NO 167944 C NO167944 C NO 167944C
Authority
NO
Norway
Prior art keywords
fins
pair
light
distance
transverse
Prior art date
Application number
NO891443A
Other languages
Norwegian (no)
Other versions
NO891443D0 (en
NO891443L (en
NO167944B (en
Inventor
Per Kamsvaag
Original Assignee
Ifa Electric As
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 Ifa Electric As filed Critical Ifa Electric As
Priority to NO891443A priority Critical patent/NO167944C/en
Publication of NO891443D0 publication Critical patent/NO891443D0/en
Priority to AU54312/90A priority patent/AU5431290A/en
Priority to AT90906378T priority patent/ATE112030T1/en
Priority to DE69012812T priority patent/DE69012812T2/en
Priority to PCT/NO1990/000061 priority patent/WO1990012245A1/en
Priority to EP90906378A priority patent/EP0469031B1/en
Publication of NO891443L publication Critical patent/NO891443L/en
Publication of NO167944B publication Critical patent/NO167944B/en
Priority to FI914719A priority patent/FI914719A0/en
Publication of NO167944C publication Critical patent/NO167944C/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Glass Compositions (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Laser Surgery Devices (AREA)
  • Eye Examination Apparatus (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

A fixture device for luminous tubes, preferably of the ceiling-mounted kind, is equipped with a new type of transverse lamellas or fins (6) on the underside for shielding and distribution of the light from said fixture. The transverse fins (6) are constructed as pairs of single fins, with a mirror symmetrical design about a center plane for each pair. The distance between two single fins (6) in one pair is smaller than the distance from a single fin to the nearest single fin in the adjacent pair. The fins (6) are preferably equipped with outer reflection surfaces (7) with parabolic curvature, and the inner reflection surfaces in a pair are divided in two areas in such a manner that the lower area (9) of the inner reflection surface has the same curvature type as the outer reflection surface (7).
NO891443A 1989-04-07 1989-04-07 DEVICE FOR LIGHT RANGE LIGHT NO167944C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NO891443A NO167944C (en) 1989-04-07 1989-04-07 DEVICE FOR LIGHT RANGE LIGHT
AU54312/90A AU5431290A (en) 1989-04-07 1990-04-06 Improvement in fixtures for luminous tubes
AT90906378T ATE112030T1 (en) 1989-04-07 1990-04-06 IMPROVEMENTS TO FITTINGS FOR LIGHTING TUBES.
DE69012812T DE69012812T2 (en) 1989-04-07 1990-04-06 IMPROVEMENTS TO FIXINGS FOR LIGHTING TUBES.
PCT/NO1990/000061 WO1990012245A1 (en) 1989-04-07 1990-04-06 Improvement in fixtures for luminous tubes
EP90906378A EP0469031B1 (en) 1989-04-07 1990-04-06 Improvement in fixtures for luminous tubes
FI914719A FI914719A0 (en) 1989-04-07 1991-10-07 FOERBAETTRINGAR I FASTSAETTNINGAR FOER LYSROER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO891443A NO167944C (en) 1989-04-07 1989-04-07 DEVICE FOR LIGHT RANGE LIGHT

Publications (4)

Publication Number Publication Date
NO891443D0 NO891443D0 (en) 1989-04-07
NO891443L NO891443L (en) 1990-10-08
NO167944B NO167944B (en) 1991-09-16
NO167944C true NO167944C (en) 1991-12-27

Family

ID=19891912

Family Applications (1)

Application Number Title Priority Date Filing Date
NO891443A NO167944C (en) 1989-04-07 1989-04-07 DEVICE FOR LIGHT RANGE LIGHT

Country Status (7)

Country Link
EP (1) EP0469031B1 (en)
AT (1) ATE112030T1 (en)
AU (1) AU5431290A (en)
DE (1) DE69012812T2 (en)
FI (1) FI914719A0 (en)
NO (1) NO167944C (en)
WO (1) WO1990012245A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109492C2 (en) * 1991-03-22 2000-06-08 Parol Leuchtenkomponenten Gmbh Luminaire louvre for louvre luminaires equipped with discharge lamps
DE4243659A1 (en) * 1992-12-23 1994-06-30 Licentia Gmbh Metal grid for a lamp
ATE187538T1 (en) * 1993-09-09 1999-12-15 Veko Products B V CROSS SLATS FOR LIGHT BOX
NL9301557A (en) * 1993-09-09 1995-04-03 Simon Cornelis Van Putten Transverse lamella for a light box
NL9302169A (en) * 1993-12-13 1995-07-03 Simon Cornelis Van Putten Transverse lamella for a light box
NL1005610C2 (en) * 1997-03-24 1998-09-28 Veco Products B V Illuminated sign with a transverse blade.
US7128443B2 (en) * 2002-06-28 2006-10-31 Koninklijke Philips Electronics, N.V. Light-collimating system
DE102004039676A1 (en) * 2004-08-16 2006-02-23 Zumtobel Staff Gmbh grid array
NL1027815C2 (en) * 2004-12-17 2006-06-20 Lichtholland B V Lamella (52) is for a reflector (2) for a light fitting for a tube lamp and comprises two opposing main sides, an upper side and a lower side (8), all sides having a light-reflecting surface

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1984108U (en) * 1968-01-13 1968-04-25 Guenther Gubela GRID FOR ARRANGEMENT IN FRONT OF LIGHTING SOURCES.
DE3412162C1 (en) * 1984-03-31 1985-08-29 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Elongated lamp
US6109566A (en) * 1999-02-25 2000-08-29 United Technologies Corporation Vibration-driven acoustic jet controlling boundary layer separation

Also Published As

Publication number Publication date
FI914719A0 (en) 1991-10-07
DE69012812T2 (en) 1995-02-16
AU5431290A (en) 1990-11-05
NO891443D0 (en) 1989-04-07
NO891443L (en) 1990-10-08
ATE112030T1 (en) 1994-10-15
EP0469031B1 (en) 1994-09-21
EP0469031A1 (en) 1992-02-05
DE69012812D1 (en) 1994-10-27
WO1990012245A1 (en) 1990-10-18
NO167944B (en) 1991-09-16

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