FR774594A - Perfectionnement aux lanternes lumineuses de publicité - Google Patents
Perfectionnement aux lanternes lumineuses de publicitéInfo
- Publication number
- FR774594A FR774594A FR774594DA FR774594A FR 774594 A FR774594 A FR 774594A FR 774594D A FR774594D A FR 774594DA FR 774594 A FR774594 A FR 774594A
- Authority
- FR
- France
- Prior art keywords
- lanterns
- improvement
- illuminated advertising
- advertising
- illuminated
- 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
- G02B6/0091—Positioning aspects of the light source relative to the light guide
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR774594T | 1934-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR774594A true FR774594A (fr) | 1934-12-08 |
Family
ID=9199967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR774594D Expired FR774594A (fr) | 1934-06-16 | 1934-06-16 | Perfectionnement aux lanternes lumineuses de publicité |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR774594A (fr) |
-
1934
- 1934-06-16 FR FR774594D patent/FR774594A/fr not_active Expired
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