FR580397A - - Google Patents
Info
- Publication number
- FR580397A FR580397A FR580397DA FR580397A FR 580397 A FR580397 A FR 580397A FR 580397D A FR580397D A FR 580397DA FR 580397 A FR580397 A FR 580397A
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
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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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR580397A true FR580397A (en) | 1924-11-05 |
Family
ID=1539548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR580397D Expired FR580397A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR580397A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622778A (en) * | 1967-12-19 | 1971-11-23 | Cibie Projecteurs | Vehicle headlamp with two light sources |
| US6575594B1 (en) | 2001-07-17 | 2003-06-10 | Genlyte Thomas Group Llc | High bay compact fluorescent light fixture |
| EP1148290A3 (en) * | 2000-04-20 | 2004-01-02 | Hella KG Hueck & Co. | Reflector for a vehicle lamp |
| US7513646B2 (en) | 2007-02-16 | 2009-04-07 | Jji Lighting Group, Inc. | Luminaire optical system |
-
0
- FR FR580397D patent/FR580397A/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3622778A (en) * | 1967-12-19 | 1971-11-23 | Cibie Projecteurs | Vehicle headlamp with two light sources |
| EP1148290A3 (en) * | 2000-04-20 | 2004-01-02 | Hella KG Hueck & Co. | Reflector for a vehicle lamp |
| US6575594B1 (en) | 2001-07-17 | 2003-06-10 | Genlyte Thomas Group Llc | High bay compact fluorescent light fixture |
| US7513646B2 (en) | 2007-02-16 | 2009-04-07 | Jji Lighting Group, Inc. | Luminaire optical system |