FR2299689B1 - - Google Patents
Info
- Publication number
- FR2299689B1 FR2299689B1 FR7502578A FR7502578A FR2299689B1 FR 2299689 B1 FR2299689 B1 FR 2299689B1 FR 7502578 A FR7502578 A FR 7502578A FR 7502578 A FR7502578 A FR 7502578A FR 2299689 B1 FR2299689 B1 FR 2299689B1
- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/14—Arrangements of reflectors therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/0418—Constructional details
- G09F13/0422—Reflectors
-
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/04—Signs, boards or panels, illuminated from behind the insignia
- G09F13/14—Arrangements of reflectors therein
- G09F2013/145—Arrangements of reflectors therein curved reflectors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7502578A FR2299689A1 (fr) | 1975-01-28 | 1975-01-28 | Support lumineux et ensemble realise avec ce support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7502578A FR2299689A1 (fr) | 1975-01-28 | 1975-01-28 | Support lumineux et ensemble realise avec ce support |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2299689A1 FR2299689A1 (fr) | 1976-08-27 |
FR2299689B1 true FR2299689B1 (enrdf_load_stackoverflow) | 1977-07-15 |
Family
ID=9150396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7502578A Granted FR2299689A1 (fr) | 1975-01-28 | 1975-01-28 | Support lumineux et ensemble realise avec ce support |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2299689A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4336576A (en) * | 1980-04-07 | 1982-06-22 | Crabtree Daniel B | Lighting apparatus |
CN107895531B (zh) * | 2017-12-22 | 2024-03-19 | 中国科学技术馆 | 一种互动展示装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR458361A (fr) * | 1912-06-24 | 1913-10-09 | Alfred William Beuttell | Réflecteur pour sources lumineuses linéaires ou rectilignes |
US2561885A (en) * | 1945-05-31 | 1951-07-24 | Gen Electric | Illuminated dial |
FR1040224A (fr) * | 1950-08-16 | 1953-10-13 | Lampes Sa | Luminaire |
BE785710A (fr) * | 1971-10-08 | 1972-10-16 | North American Rockwell | Structure d'illumination pour un affichage a cristal liquide |
-
1975
- 1975-01-28 FR FR7502578A patent/FR2299689A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2299689A1 (fr) | 1976-08-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |