FR581451A - Headlight for vehicle - Google Patents
Headlight for vehicleInfo
- Publication number
- FR581451A FR581451A FR581451DA FR581451A FR 581451 A FR581451 A FR 581451A FR 581451D A FR581451D A FR 581451DA FR 581451 A FR581451 A FR 581451A
- Authority
- FR
- France
- Prior art keywords
- headlight
- vehicle
- 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
- 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
-
- 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
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/17—Discharge light sources
- F21S41/173—Fluorescent light sources
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH581451X | 1923-10-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR581451A true FR581451A (en) | 1924-11-29 |
Family
ID=4521531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR581451D Expired FR581451A (en) | 1923-10-17 | 1924-05-09 | Headlight for vehicle |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR581451A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2800576A (en) * | 1955-06-09 | 1957-07-23 | John C Epperson | Street lighting fixture |
US4652983A (en) * | 1986-01-30 | 1987-03-24 | Michael Mytels | Parabolic-shaped reflecting shade |
-
1924
- 1924-05-09 FR FR581451D patent/FR581451A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2800576A (en) * | 1955-06-09 | 1957-07-23 | John C Epperson | Street lighting fixture |
US4652983A (en) * | 1986-01-30 | 1987-03-24 | Michael Mytels | Parabolic-shaped reflecting shade |
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