FR36397E - Improvements to non-glare automotive headlights - Google Patents
Improvements to non-glare automotive headlightsInfo
- Publication number
- FR36397E FR36397E FR36397DA FR36397E FR 36397 E FR36397 E FR 36397E FR 36397D A FR36397D A FR 36397DA FR 36397 E FR36397 E FR 36397E
- Authority
- FR
- France
- Prior art keywords
- automotive headlights
- glare
- glare automotive
- headlights
- automotive
- 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
- 230000004313 glare Effects 0.000 title 1
Classifications
-
- 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
-
- 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
-
- 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
- F21S41/25—Projection lenses
-
- 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
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
-
- 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
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR36397T | 1929-01-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR36397E true FR36397E (en) | 1930-05-10 |
Family
ID=8673161
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR36397D Expired FR36397E (en) | 1929-01-11 | 1929-01-11 | Improvements to non-glare automotive headlights |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR36397E (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2621679A1 (en) * | 1987-10-13 | 1989-04-14 | Cibie Projecteurs | LOW-FLOW RECOVERY HIGH-LEVEL ROAD PROJECTOR FOR MOTOR VEHICLE |
EP1467143A1 (en) * | 2003-04-08 | 2004-10-13 | Valeo Vision | Vehicle headlamp comprising means for spreading transversely the light beam |
-
1929
- 1929-01-11 FR FR36397D patent/FR36397E/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2621679A1 (en) * | 1987-10-13 | 1989-04-14 | Cibie Projecteurs | LOW-FLOW RECOVERY HIGH-LEVEL ROAD PROJECTOR FOR MOTOR VEHICLE |
EP0312442A1 (en) * | 1987-10-13 | 1989-04-19 | Valeo Vision | Low profile main-beam headlamp for motor vehicles with a large recuperation of light |
US4899261A (en) * | 1987-10-13 | 1990-02-06 | Cibie Projecteurs | Automobile headlamp with small height and high flux recovery |
EP1467143A1 (en) * | 2003-04-08 | 2004-10-13 | Valeo Vision | Vehicle headlamp comprising means for spreading transversely the light beam |
FR2853718A1 (en) * | 2003-04-08 | 2004-10-15 | Valeo Vision | LIGHTING PROJECTOR FOR A MOTOR VEHICLE COMPRISING MEANS FOR SPREADING THE LIGHT BEAM |
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