FR664213A - Dispositif retro-réflecteur pour lanternes, projecteurs et autres applications - Google Patents
Dispositif retro-réflecteur pour lanternes, projecteurs et autres applicationsInfo
- Publication number
- FR664213A FR664213A FR664213DA FR664213A FR 664213 A FR664213 A FR 664213A FR 664213D A FR664213D A FR 664213DA FR 664213 A FR664213 A FR 664213A
- Authority
- FR
- France
- Prior art keywords
- spotlights
- lanterns
- retro
- applications
- reflector device
- 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
- F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
-
- 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
- F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
- F21S41/32—Optical layout thereof
- F21S41/36—Combinations of two or more separate reflectors
- F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR664213T | 1928-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR664213A true FR664213A (fr) | 1929-08-30 |
Family
ID=9012519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR664213D Expired FR664213A (fr) | 1928-11-20 | 1928-11-20 | Dispositif retro-réflecteur pour lanternes, projecteurs et autres applications |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR664213A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4845599A (en) * | 1986-12-10 | 1989-07-04 | Cipel & Les Piles Wonder | Bicycle lamp device |
-
1928
- 1928-11-20 FR FR664213D patent/FR664213A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4845599A (en) * | 1986-12-10 | 1989-07-04 | Cipel & Les Piles Wonder | Bicycle lamp device |
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