DK37493A - DIFFUSOR FOR USE IN ADVERTISING AND INFORMATION BOARDS - Google Patents

DIFFUSOR FOR USE IN ADVERTISING AND INFORMATION BOARDS

Info

Publication number
DK37493A
DK37493A DK037493A DK37493A DK37493A DK 37493 A DK37493 A DK 37493A DK 037493 A DK037493 A DK 037493A DK 37493 A DK37493 A DK 37493A DK 37493 A DK37493 A DK 37493A
Authority
DK
Denmark
Prior art keywords
diffusor
advertising
information boards
boards
information
Prior art date
Application number
DK037493A
Other languages
Danish (da)
Other versions
DK171277B1 (en
DK37493D0 (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
Publication of DK37493D0 publication Critical patent/DK37493D0/en
Publication of DK37493A publication Critical patent/DK37493A/en
Application granted granted Critical
Publication of DK171277B1 publication Critical patent/DK171277B1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Telephonic Communication Services (AREA)
  • Information Transfer Between Computers (AREA)
  • Planar Illumination Modules (AREA)
DK037493A 1992-03-31 1993-03-30 Diffuser for use in advertising and information boards DK171277B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO921257A NO175399C (en) 1992-03-31 1992-03-31 Diffuser for use in advertising / information boards
NO921257 1992-03-31

Publications (3)

Publication Number Publication Date
DK37493D0 DK37493D0 (en) 1993-03-30
DK37493A true DK37493A (en) 1993-10-01
DK171277B1 DK171277B1 (en) 1996-08-19

Family

ID=19895023

Family Applications (1)

Application Number Title Priority Date Filing Date
DK037493A DK171277B1 (en) 1992-03-31 1993-03-30 Diffuser for use in advertising and 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 Bachleitner, Wolfgang, 78655 Dunningen Display system
DK0787943T3 (en) * 1996-02-05 2001-10-08 Erco Leuchten Reflector amateur with a reflector with at least one rotationally symmetrical or cylindrical reflective 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, 45659 Recklinghausen 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
FI931433A0 (en) 1993-03-30
NO175399C (en) 1994-10-05
DK171277B1 (en) 1996-08-19
NO921257D0 (en) 1992-03-31
DK37493D0 (en) 1993-03-30
DE4311013A1 (en) 1993-10-07
NO921257L (en) 1993-10-01
FI931433A (en) 1993-10-01
SE9300943L (en) 1993-10-01
NO175399B (en) 1994-06-27
SE9300943D0 (en) 1993-03-22
FI104652B (en) 2000-03-15
SE507966C2 (en) 1998-08-03

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Legal Events

Date Code Title Description
A0 Application filed
PBP Patent lapsed

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