FR797919A - Projecteur ellipsoïdal - Google Patents
Projecteur ellipsoïdalInfo
- Publication number
- FR797919A FR797919A FR797919DA FR797919A FR 797919 A FR797919 A FR 797919A FR 797919D A FR797919D A FR 797919DA FR 797919 A FR797919 A FR 797919A
- Authority
- FR
- France
- Prior art keywords
- ellipsoidal
- projector
- ellipsoidal projector
- 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
- F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE797919X | 1934-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR797919A true FR797919A (fr) | 1936-05-06 |
Family
ID=6711287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR797919D Expired FR797919A (fr) | 1934-12-17 | 1935-11-13 | Projecteur ellipsoïdal |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR797919A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015071529A1 (fr) * | 2013-11-12 | 2015-05-21 | Ledil Oy | Élément feu de croisement pour véhicule |
-
1935
- 1935-11-13 FR FR797919D patent/FR797919A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015071529A1 (fr) * | 2013-11-12 | 2015-05-21 | Ledil Oy | Élément feu de croisement pour véhicule |
| US9822942B2 (en) | 2013-11-12 | 2017-11-21 | Ledil Oy | Low-beam headlight element for a vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR797919A (fr) | Projecteur ellipsoïdal | |
| FR784635A (fr) | Projecteur à miroir ellipsoïdal | |
| FR789734A (fr) | Projecteur cinématographique | |
| FR788419A (fr) | Lanterne de projection | |
| FR794029A (fr) | Projecteur cinématographique | |
| FR795393A (fr) | Projecteur cinématographique | |
| FR781596A (fr) | Projecteur rotatif | |
| ES134865A1 (es) | Aparato proyector cinematográfico. | |
| FR781713A (fr) | Abat-jour | |
| FR769675A (fr) | Projecteur bi-focal | |
| FR784383A (fr) | Perfectionnement aux projecteurs lumineux | |
| FR787269A (fr) | Perfectionnement aux projecteurs lumineux | |
| FR786580A (fr) | Projecteur | |
| FR804220A (fr) | Projecteur | |
| FR815313A (fr) | Projecteur | |
| FR770236A (fr) | Mécanisme démultiplicateur | |
| FI15784A (fi) | Flasklåda | |
| FI15826A (fi) | Malningsmaskin | |
| FI16224A (fi) | Väggventil | |
| FI15994A (fi) | Suksiside | |
| FI15910A (fi) | Hieromaväline | |
| FI15863A (fi) | Garvningsförfarande | |
| FI15862A (fi) | Spjällregleringsmekanism | |
| FI15857A (fi) | Blandgödsel | |
| FI15838A (fi) | Glidhjul |