FR2210157A6 - - Google Patents
Info
- Publication number
- FR2210157A6 FR2210157A6 FR7243773A FR7243773A FR2210157A6 FR 2210157 A6 FR2210157 A6 FR 2210157A6 FR 7243773 A FR7243773 A FR 7243773A FR 7243773 A FR7243773 A FR 7243773A FR 2210157 A6 FR2210157 A6 FR 2210157A6
- 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
-
- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/28—Cover glass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
- F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
- F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
- F21V7/08—Optical design with elliptical curvature
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7243773A FR2210157A6 (de) | 1972-12-08 | 1972-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7243773A FR2210157A6 (de) | 1972-12-08 | 1972-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2210157A6 true FR2210157A6 (de) | 1974-07-05 |
Family
ID=9108417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7243773A Expired FR2210157A6 (de) | 1972-12-08 | 1972-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2210157A6 (de) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2509015A1 (fr) * | 1981-07-01 | 1983-01-07 | Alm | Appareil d'eclairage de champ operatoire |
| EP0798506A2 (de) * | 1996-03-29 | 1997-10-01 | Osram Sylvania Inc. | Kraftfahrzeug-Scheinwerfer |
| EP0950847A3 (de) * | 1998-04-17 | 2000-08-23 | Stanley Electric Co., Ltd. | Lampe |
-
1972
- 1972-12-08 FR FR7243773A patent/FR2210157A6/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2509015A1 (fr) * | 1981-07-01 | 1983-01-07 | Alm | Appareil d'eclairage de champ operatoire |
| EP0798506A2 (de) * | 1996-03-29 | 1997-10-01 | Osram Sylvania Inc. | Kraftfahrzeug-Scheinwerfer |
| EP0798506A3 (de) * | 1996-03-29 | 1998-11-11 | Osram Sylvania Inc. | Kraftfahrzeug-Scheinwerfer |
| EP0950847A3 (de) * | 1998-04-17 | 2000-08-23 | Stanley Electric Co., Ltd. | Lampe |
| US6244732B1 (en) | 1998-04-17 | 2001-06-12 | Stanley Electric Co., Ltd. | Lamp |