FR2477744A2 - Appareil lumineux a panneaux transparents illumines par leur tranche - Google Patents
Appareil lumineux a panneaux transparents illumines par leur tranche Download PDFInfo
- Publication number
- FR2477744A2 FR2477744A2 FR8004923A FR8004923A FR2477744A2 FR 2477744 A2 FR2477744 A2 FR 2477744A2 FR 8004923 A FR8004923 A FR 8004923A FR 8004923 A FR8004923 A FR 8004923A FR 2477744 A2 FR2477744 A2 FR 2477744A2
- Authority
- FR
- France
- Prior art keywords
- panels
- cam
- plate
- light
- driven
- Prior art date
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 abstract 1
- 230000008033 biological extinction Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
-
- 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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004923A FR2477744A2 (fr) | 1980-03-05 | 1980-03-05 | Appareil lumineux a panneaux transparents illumines par leur tranche |
| DE19803009162 DE3009162A1 (de) | 1979-03-12 | 1980-03-10 | Leuchtvorrichtung, wie leuchtschirm o.dgl. |
| NL8001431A NL8001431A (nl) | 1979-03-12 | 1980-03-11 | Lichtpaneelinrichting. |
| GB8008291A GB2046977B (en) | 1979-03-12 | 1980-03-12 | Illuminated display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8004923A FR2477744A2 (fr) | 1980-03-05 | 1980-03-05 | Appareil lumineux a panneaux transparents illumines par leur tranche |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2477744A2 true FR2477744A2 (fr) | 1981-09-11 |
| FR2477744B2 FR2477744B2 (cg-RX-API-DMAC10.html) | 1984-11-23 |
Family
ID=9239333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8004923A Granted FR2477744A2 (fr) | 1979-03-12 | 1980-03-05 | Appareil lumineux a panneaux transparents illumines par leur tranche |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2477744A2 (cg-RX-API-DMAC10.html) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB674238A (en) * | 1949-05-10 | 1952-06-18 | Priestley Studios Ltd | Improvements in or relating to advertising or display devices |
| CH293325A (de) * | 1951-08-23 | 1953-09-15 | Bruellhardt & Co | Lichtreklameapparat. |
| FR2110848A5 (cg-RX-API-DMAC10.html) * | 1970-10-29 | 1972-06-02 | Gontier Arrivat Andree |
-
1980
- 1980-03-05 FR FR8004923A patent/FR2477744A2/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB674238A (en) * | 1949-05-10 | 1952-06-18 | Priestley Studios Ltd | Improvements in or relating to advertising or display devices |
| CH293325A (de) * | 1951-08-23 | 1953-09-15 | Bruellhardt & Co | Lichtreklameapparat. |
| FR2110848A5 (cg-RX-API-DMAC10.html) * | 1970-10-29 | 1972-06-02 | Gontier Arrivat Andree |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2477744B2 (cg-RX-API-DMAC10.html) | 1984-11-23 |
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