FR821492A - Headlights for vehicles - Google Patents
Headlights for vehiclesInfo
- Publication number
- FR821492A FR821492A FR821492DA FR821492A FR 821492 A FR821492 A FR 821492A FR 821492D A FR821492D A FR 821492DA FR 821492 A FR821492 A FR 821492A
- Authority
- FR
- France
- Prior art keywords
- headlights
- vehicles
- 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
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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE821492X | 1936-02-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR821492A true FR821492A (en) | 1937-12-06 |
Family
ID=20349249
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR821492D Expired FR821492A (en) | 1936-02-22 | 1937-02-22 | Headlights for vehicles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR821492A (en) |
-
1937
- 1937-02-22 FR FR821492D patent/FR821492A/en not_active Expired
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