IT1118426B - Dispositivo luminoso a pannello per informazioni insegne segnalazioni e simili - Google Patents

Dispositivo luminoso a pannello per informazioni insegne segnalazioni e simili

Info

Publication number
IT1118426B
IT1118426B IT67526/79A IT6752679A IT1118426B IT 1118426 B IT1118426 B IT 1118426B IT 67526/79 A IT67526/79 A IT 67526/79A IT 6752679 A IT6752679 A IT 6752679A IT 1118426 B IT1118426 B IT 1118426B
Authority
IT
Italy
Prior art keywords
signals
information
bright device
similar signs
panel bright
Prior art date
Application number
IT67526/79A
Other languages
English (en)
Other versions
IT7967526A0 (it
Original Assignee
Decaux Jean Claude
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 Decaux Jean Claude filed Critical Decaux Jean Claude
Publication of IT7967526A0 publication Critical patent/IT7967526A0/it
Application granted granted Critical
Publication of IT1118426B publication Critical patent/IT1118426B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Road Signs Or Road Markings (AREA)
IT67526/79A 1978-04-04 1979-03-13 Dispositivo luminoso a pannello per informazioni insegne segnalazioni e simili IT1118426B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7809876A FR2422215A1 (fr) 1978-04-04 1978-04-04 Dispositif lumineux et mobilier urbain equipe de ce dispositif

Publications (2)

Publication Number Publication Date
IT7967526A0 IT7967526A0 (it) 1979-03-13
IT1118426B true IT1118426B (it) 1986-03-03

Family

ID=9206642

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67526/79A IT1118426B (it) 1978-04-04 1979-03-13 Dispositivo luminoso a pannello per informazioni insegne segnalazioni e simili

Country Status (15)

Country Link
US (1) US4249231A (it)
JP (1) JPS54132199A (it)
AT (1) AT379458B (it)
BE (1) BE874236A (it)
CA (1) CA1106815A (it)
CH (1) CH631282A5 (it)
DE (1) DE2908904C2 (it)
EG (1) EG14682A (it)
ES (1) ES242495Y (it)
FR (1) FR2422215A1 (it)
GB (1) GB2017997B (it)
IT (1) IT1118426B (it)
LU (1) LU80933A1 (it)
NL (1) NL172380C (it)
PT (1) PT69370A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768801A (en) * 1980-10-17 1982-04-27 Fuji Photo Optical Co Ltd Linear lighting equipment
FR2514105A1 (fr) * 1981-10-05 1983-04-08 Cibie Projecteurs Projecteur a conduit de lumiere pour vehicules automobiles
JPS58119108A (ja) * 1982-01-09 1983-07-15 森　敬 装飾灯
US4561203A (en) * 1983-08-04 1985-12-31 Dual-Lite Manufacturing Opaque sign plaque with dual reflector illumination
US4615579A (en) * 1983-08-29 1986-10-07 Canadian Patents & Development Ltd. Prism light guide luminaire
JPS6155684A (ja) * 1984-08-27 1986-03-20 三菱レイヨン株式会社 光拡散装置
DE3542243A1 (de) * 1985-11-29 1987-06-04 Manfred Toeller Leuchttafel fuer werbe-, informations-, oder dekorationszwecke
FR2597642B1 (fr) * 1986-04-18 1990-01-12 Blanchet Pierre Dispositif d'affichage lumineux de documents translucides
JPH0635203Y2 (ja) * 1988-09-27 1994-09-14 アルプス電気株式会社 照光用導光体
JP3131034B2 (ja) * 1992-07-03 2001-01-31 ローム株式会社 平面ディスプレイパネル用光源
DE9209490U1 (it) * 1992-07-15 1992-10-15 Narva Gluehlampenwerk Oberweissbach Gmbh, O-6432 Oberweissbach, De
DE9310110U1 (de) * 1993-07-07 1994-11-10 Lumatec S A Leuchttafel
DE4342338C2 (de) * 1993-12-11 2000-05-18 Ceag Sicherheitstechnik Gmbh Scheibe für die Verwendung als Bestandteil einer Scheibenleuchte
DE29714000U1 (de) * 1997-08-06 1997-10-16 Sauernheimer Gmbh Leuchteinrichtung mit einem an einem Mast angeordneten Informationsträger
GB0018132D0 (en) * 2000-07-24 2000-09-13 Gradus Ltd Lighting system
US7163305B2 (en) 2003-06-25 2007-01-16 Gemtron Corporation Illuminated shelf
FR2871918B1 (fr) * 2004-06-21 2006-08-25 Raymond Fournet Enseigne modulaire
AU2007100617B4 (en) * 2007-07-09 2008-12-11 Ian George Gale Illuminated Panel
US8317384B2 (en) * 2009-04-10 2012-11-27 Intellectual Discovery Co., Ltd. Light guide film with cut lines, and optical keypad using such film
US9927568B2 (en) 2013-11-15 2018-03-27 Dolby Laboratories Licensing Corporation Uniformly lit light guides

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR30346E (fr) * 1925-04-20 1926-05-07 Plaque signalisatrice à usage diurne et nocturne pour automobiles, indication du nom des rues, etc.
US2347665A (en) * 1941-03-04 1944-05-02 Christensen Geneva Bandy Internal reflection lighting means
CH460516A (de) * 1966-03-31 1968-07-31 D Krecke Edmund Beleuchtete Anzeigevorrichtung, insbesondere für Strassen
JPS5239091B1 (it) * 1968-04-15 1977-10-03
JPS493586B1 (it) * 1972-07-22 1974-01-26
DE2511030A1 (de) * 1974-03-14 1975-12-18 Sikob Ab Beleuchtungskoerper insbesondere fuer refraktierende flaechenbeleuchtung
CH614599GA3 (en) * 1976-04-29 1979-12-14 Passive electro-optical display device and method for manufacturing it
GB1505785A (en) * 1976-10-13 1978-03-30 Crestworth Ltd Display lamp having a translucent envelope

Also Published As

Publication number Publication date
NL172380B (nl) 1983-03-16
GB2017997A (en) 1979-10-10
EG14682A (en) 1985-06-30
PT69370A (fr) 1979-04-01
US4249231A (en) 1981-02-03
ES242495U (es) 1979-09-01
NL172380C (nl) 1983-08-16
LU80933A1 (fr) 1979-06-18
JPS54132199A (en) 1979-10-13
GB2017997B (en) 1983-01-06
AT379458B (de) 1986-01-10
FR2422215B1 (it) 1982-04-09
CA1106815A (en) 1981-08-11
IT7967526A0 (it) 1979-03-13
ES242495Y (es) 1980-02-01
ATA230679A (de) 1985-05-15
DE2908904A1 (de) 1979-10-11
BE874236A (fr) 1979-06-18
NL7901573A (nl) 1979-10-08
CH631282A5 (fr) 1982-07-30
FR2422215A1 (fr) 1979-11-02
DE2908904C2 (de) 1982-03-25

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