MA18619A1 - Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif - Google Patents
Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositifInfo
- Publication number
- MA18619A1 MA18619A1 MA18819A MA18819A MA18619A1 MA 18619 A1 MA18619 A1 MA 18619A1 MA 18819 A MA18819 A MA 18819A MA 18819 A MA18819 A MA 18819A MA 18619 A1 MA18619 A1 MA 18619A1
- Authority
- MA
- Morocco
- Prior art keywords
- rigorous
- high efficiency
- lighting apparatus
- luminance control
- optical device
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7830604A FR2439940A1 (fr) | 1978-10-27 | 1978-10-27 | Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA18619A1 true MA18619A1 (fr) | 1980-07-01 |
Family
ID=9214237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA18819A MA18619A1 (fr) | 1978-10-27 | 1979-10-19 | Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0011521A1 (fr) |
| DK (1) | DK452179A (fr) |
| ES (1) | ES485436A1 (fr) |
| FR (1) | FR2439940A1 (fr) |
| MA (1) | MA18619A1 (fr) |
| MX (1) | MX148058A (fr) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE753691C (de) * | 1940-05-17 | 1953-01-19 | Schanzenbach & Co G M B H | Breitstrahl-Spiegelreflektor |
| GB543663A (en) * | 1940-12-04 | 1942-03-06 | Robert Richard Hoare | Improvements in adjustable reflectors for electric lamps |
| US2599285A (en) * | 1948-10-06 | 1952-06-03 | Gen Electric | Ovate roadway reflector |
| DE1597993A1 (de) * | 1967-08-16 | 1970-10-08 | Siemens Ag | Leuchte fuer eine Quecksilberdampf-Hochdrucklampe mit zwei gekruemmten stirnseitigen Spiegeln |
-
1978
- 1978-10-27 FR FR7830604A patent/FR2439940A1/fr active Granted
-
1979
- 1979-10-10 EP EP79400730A patent/EP0011521A1/fr not_active Withdrawn
- 1979-10-17 MX MX17966279A patent/MX148058A/es unknown
- 1979-10-19 MA MA18819A patent/MA18619A1/fr unknown
- 1979-10-26 DK DK452179A patent/DK452179A/da not_active Application Discontinuation
- 1979-10-26 ES ES485436A patent/ES485436A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK452179A (da) | 1980-04-28 |
| FR2439940A1 (fr) | 1980-05-23 |
| MX148058A (es) | 1983-03-09 |
| EP0011521A1 (fr) | 1980-05-28 |
| FR2439940B1 (fr) | 1982-04-02 |
| ES485436A1 (es) | 1980-05-16 |
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