FR1246347A - Plaque indicatrice lumineuse - Google Patents
Plaque indicatrice lumineuseInfo
- Publication number
- FR1246347A FR1246347A FR807178A FR807178A FR1246347A FR 1246347 A FR1246347 A FR 1246347A FR 807178 A FR807178 A FR 807178A FR 807178 A FR807178 A FR 807178A FR 1246347 A FR1246347 A FR 1246347A
- Authority
- FR
- France
- Prior art keywords
- indicator plate
- illuminated indicator
- illuminated
- plate
- indicator
- 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.)
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR807178A FR1246347A (fr) | 1959-10-09 | 1959-10-09 | Plaque indicatrice lumineuse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR807178A FR1246347A (fr) | 1959-10-09 | 1959-10-09 | Plaque indicatrice lumineuse |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1246347A true FR1246347A (fr) | 1960-11-18 |
Family
ID=8719985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR807178A Expired FR1246347A (fr) | 1959-10-09 | 1959-10-09 | Plaque indicatrice lumineuse |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1246347A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2596533A1 (fr) * | 1986-03-28 | 1987-10-02 | Richer Charles | Dispositif de visualisation d'un dessin ou d'une forme, comprenant un empilage de lames en verre ou en materiau similaire |
EP0573051A1 (fr) * | 1992-06-04 | 1993-12-08 | Tosoh Corporation | Dispositif d'éclairage par l'arrière |
-
1959
- 1959-10-09 FR FR807178A patent/FR1246347A/fr not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2596533A1 (fr) * | 1986-03-28 | 1987-10-02 | Richer Charles | Dispositif de visualisation d'un dessin ou d'une forme, comprenant un empilage de lames en verre ou en materiau similaire |
EP0242312A1 (fr) * | 1986-03-28 | 1987-10-21 | Actua-Verre | Dispositif de visualisation d'un dessin ou d'une forme, comprenant un empilage de lames en verre ou en matériau similaire |
EP0573051A1 (fr) * | 1992-06-04 | 1993-12-08 | Tosoh Corporation | Dispositif d'éclairage par l'arrière |
US5392199A (en) * | 1992-06-04 | 1995-02-21 | Tosoh Corporation | Back lighting device |
US5647655A (en) * | 1992-06-04 | 1997-07-15 | Tosoh Corporation | Back lighting device |
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