FR2417819B1 - - Google Patents
Info
- Publication number
- FR2417819B1 FR2417819B1 FR7903858A FR7903858A FR2417819B1 FR 2417819 B1 FR2417819 B1 FR 2417819B1 FR 7903858 A FR7903858 A FR 7903858A FR 7903858 A FR7903858 A FR 7903858A FR 2417819 B1 FR2417819 B1 FR 2417819B1
- Authority
- FR
- France
- 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
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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0026—Wavelength selective element, sheet or layer, e.g. filter or grating
-
- 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
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE864070 | 1978-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2417819A1 FR2417819A1 (fr) | 1979-09-14 |
| FR2417819B1 true FR2417819B1 (es) | 1983-11-10 |
Family
ID=3861638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7903858A Granted FR2417819A1 (fr) | 1978-02-17 | 1979-02-15 | Dispositif de panneaux lumineux |
Country Status (7)
| Country | Link |
|---|---|
| JP (2) | JPS54139396A (es) |
| CA (1) | CA1112446A (es) |
| DE (1) | DE2906022A1 (es) |
| ES (1) | ES477819A1 (es) |
| FR (1) | FR2417819A1 (es) |
| LU (1) | LU80931A1 (es) |
| NL (1) | NL184029C (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4124567A1 (de) * | 1991-07-24 | 1993-01-28 | Siegel Geb Gmbh Co Kg | Kundenfuehrungsanlage fuer selbstbedienungsgeschaefte, baumaerkte, bahnhoefe, flughaefen und dergleichen |
| DE9300991U1 (es) * | 1993-01-26 | 1993-04-29 | Gerecke, Martin, 4350 Recklinghausen, De | |
| DE9310110U1 (de) * | 1993-07-07 | 1994-11-10 | Lumatec S A | Leuchttafel |
| DE4407295A1 (de) * | 1994-03-04 | 1995-09-14 | Borsi Kg F | Leuchttransparent |
| DE4425246A1 (de) * | 1994-07-16 | 1996-01-18 | Schoeniger Karl Heinz | Beleuchtete Anzeigetafel |
| DE19514649A1 (de) * | 1995-04-20 | 1996-10-24 | Msd Auto Und Sportzubehoer Gmb | Anzeigeelement nach dem Lichtleiterprinzip sowie Verfahren zu dessen Herstellung |
| DE19802329A1 (de) * | 1998-01-22 | 1999-07-29 | Erco Leuchten | Leuchte mit mindestens einer an einer Schmalfläche lichtbeaufschlagbaren Lichtleitplatte |
| FR2982196B1 (fr) * | 2011-11-07 | 2015-07-17 | Saint Gobain | Vitrage de signalisation lumineuse pour vehicule |
| WO2015128201A1 (en) | 2014-02-28 | 2015-09-03 | Koninklijke Philips N.V. | Lighting system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR684026A (fr) * | 1928-11-03 | 1930-06-20 | Enseignes lumineuses | |
| US2623313A (en) * | 1948-06-14 | 1952-12-30 | Paul E Fuchs | Edge illuminated sign |
| FR1015173A (fr) * | 1950-02-21 | 1952-08-28 | Procédé pour obtenir des motifs lumineux, incolores, ou colorès, sur une plaque transparente et appareils ou dispositifs publicitaires en résultant | |
| FR2346795A1 (fr) * | 1976-04-01 | 1977-10-28 | Regie Autonome Transports | Panneau d'affichage a eclairage incorpore |
-
1979
- 1979-02-14 NL NL7901162A patent/NL184029C/xx not_active IP Right Cessation
- 1979-02-15 FR FR7903858A patent/FR2417819A1/fr active Granted
- 1979-02-15 LU LU80931A patent/LU80931A1/xx unknown
- 1979-02-16 DE DE19792906022 patent/DE2906022A1/de active Pending
- 1979-02-16 ES ES477819A patent/ES477819A1/es not_active Expired
- 1979-02-16 CA CA321,655A patent/CA1112446A/en not_active Expired
- 1979-02-16 JP JP1623079A patent/JPS54139396A/ja active Pending
-
1983
- 1983-06-10 JP JP8798183U patent/JPS5920285U/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL184029B (nl) | 1988-10-17 |
| CA1112446A (en) | 1981-11-17 |
| NL7901162A (nl) | 1979-08-21 |
| DE2906022A1 (de) | 1979-08-23 |
| FR2417819A1 (fr) | 1979-09-14 |
| JPS54139396A (en) | 1979-10-29 |
| JPS5920285U (ja) | 1984-02-07 |
| ES477819A1 (es) | 1979-11-01 |
| NL184029C (nl) | 1989-03-16 |
| LU80931A1 (fr) | 1979-06-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |