NO921257D0 - DIFFUSER FOR USE IN ADVERTISING / INFORMATION BOARDS - Google Patents

DIFFUSER FOR USE IN ADVERTISING / INFORMATION BOARDS

Info

Publication number
NO921257D0
NO921257D0 NO921257A NO921257A NO921257D0 NO 921257 D0 NO921257 D0 NO 921257D0 NO 921257 A NO921257 A NO 921257A NO 921257 A NO921257 A NO 921257A NO 921257 D0 NO921257 D0 NO 921257D0
Authority
NO
Norway
Prior art keywords
diffuser
advertising
information boards
boards
information
Prior art date
Application number
NO921257A
Other languages
Norwegian (no)
Other versions
NO175399B (en
NO921257L (en
NO175399C (en
Inventor
Sigbjoern Vikan
Original Assignee
Osram Fabrikken 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 Osram Fabrikken As filed Critical Osram Fabrikken As
Priority to NO921257A priority Critical patent/NO175399C/en
Publication of NO921257D0 publication Critical patent/NO921257D0/en
Priority to SE9300943A priority patent/SE507966C2/en
Priority to FI931433A priority patent/FI104652B/en
Priority to DE4311013A priority patent/DE4311013A1/en
Priority to DK037493A priority patent/DK171277B1/en
Publication of NO921257L publication Critical patent/NO921257L/en
Publication of NO175399B publication Critical patent/NO175399B/en
Publication of NO175399C publication Critical patent/NO175399C/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0409—Arrangements for homogeneous illumination of the display surface, e.g. using a layer having a non-uniform transparency
    • 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
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
NO921257A 1992-03-31 1992-03-31 Diffuser for use in advertising / information boards NO175399C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO921257A NO175399C (en) 1992-03-31 1992-03-31 Diffuser for use in advertising / information boards
SE9300943A SE507966C2 (en) 1992-03-31 1993-03-22 Diffusers for chandeliers
FI931433A FI104652B (en) 1992-03-31 1993-03-30 Light diffuser for billboards and billboards
DE4311013A DE4311013A1 (en) 1992-03-31 1993-03-30 Light diffuser for publicity display panel or LCD back-light - has flat plate in front of light tube with aperture fields providing increasing transparency with distance from light tube
DK037493A DK171277B1 (en) 1992-03-31 1993-03-30 Diffuser for use in advertising and information boards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO921257A NO175399C (en) 1992-03-31 1992-03-31 Diffuser for use in advertising / information boards

Publications (4)

Publication Number Publication Date
NO921257D0 true NO921257D0 (en) 1992-03-31
NO921257L NO921257L (en) 1993-10-01
NO175399B NO175399B (en) 1994-06-27
NO175399C NO175399C (en) 1994-10-05

Family

ID=19895023

Family Applications (1)

Application Number Title Priority Date Filing Date
NO921257A NO175399C (en) 1992-03-31 1992-03-31 Diffuser for use in advertising / information boards

Country Status (5)

Country Link
DE (1) DE4311013A1 (en)
DK (1) DK171277B1 (en)
FI (1) FI104652B (en)
NO (1) NO175399C (en)
SE (1) SE507966C2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29513401U1 (en) * 1995-08-21 1996-12-19 Siemens Ag Display system
EP0787943B1 (en) * 1996-02-05 2001-08-22 ERCO Leuchten GmbH Luminaire comprising a reflector including at least one rotation symmetrical or cylindrical reflecting surface
DE19632665C2 (en) * 1996-02-05 1999-01-14 Erco Leuchten Luminaire with a reflector and a diffusely scattering component
DE19620659C2 (en) * 1996-05-22 2002-06-27 Zumtobel Licht Luminaire with a light exit disc
DE29609245U1 (en) * 1996-05-23 1997-09-25 Trautwein Gmbh & Co Advertising order
FR2797083B1 (en) * 1999-07-26 2003-12-12 Bernard Duval LIGHT PANEL
DE10018499B4 (en) * 2000-04-14 2008-04-10 Maehler & Kaege Licht Gmbh Flat lamp with uniform radiation characteristic
DE10308523A1 (en) * 2003-02-26 2004-09-16 Ralph Zernisch Electrical lighting panel has a main panel with inset strip lights and outer cover of diffuser and shadow material
ITBS20030037U1 (en) * 2003-04-07 2004-10-08 Flos Spa LUMINOUS DIFFUSER WITH DIFFERENTIATED LIGHT EMISSION PARTS FOR AP LIGHTING EQUIPMENT
ES1056874Y (en) * 2004-03-01 2004-09-01 Vilagrasa S A BRIGHT, PERFECTED PANEL.
DE102009010720A1 (en) 2009-02-27 2010-09-02 Prettl, Rolf Optical diffuser, light box, injection mold and use of an injection mold

Also Published As

Publication number Publication date
DK37493A (en) 1993-10-01
SE9300943D0 (en) 1993-03-22
NO175399B (en) 1994-06-27
DK171277B1 (en) 1996-08-19
NO921257L (en) 1993-10-01
SE507966C2 (en) 1998-08-03
DE4311013A1 (en) 1993-10-07
FI931433A (en) 1993-10-01
FI104652B (en) 2000-03-15
NO175399C (en) 1994-10-05
FI931433A0 (en) 1993-03-30
SE9300943L (en) 1993-10-01
DK37493D0 (en) 1993-03-30

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