FR531611A - Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glare - Google Patents
Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glareInfo
- Publication number
- FR531611A FR531611A FR531611DA FR531611A FR 531611 A FR531611 A FR 531611A FR 531611D A FR531611D A FR 531611DA FR 531611 A FR531611 A FR 531611A
- Authority
- FR
- France
- Prior art keywords
- controlling
- motor vehicle
- order
- rays emitted
- vehicle headlights
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
-
- 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/47—Attachment thereof
-
- 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 |
---|---|---|---|
GB531611X | 1921-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR531611A true FR531611A (en) | 1922-01-17 |
Family
ID=10466842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR531611D Expired FR531611A (en) | 1921-01-28 | 1921-03-03 | Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glare |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR531611A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2540389A (en) * | 1946-02-21 | 1951-02-06 | Elwood Wiles | Signal light ray director |
US2683799A (en) * | 1951-05-10 | 1954-07-13 | Day Brite Lighting Inc | Electric lighting fixture with louver members |
DE1193443B (en) * | 1961-12-19 | 1965-05-26 | Hemholz & Pauli Beleuchtungste | Anti-glare louvre for lights |
-
1921
- 1921-03-03 FR FR531611D patent/FR531611A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2540389A (en) * | 1946-02-21 | 1951-02-06 | Elwood Wiles | Signal light ray director |
US2683799A (en) * | 1951-05-10 | 1954-07-13 | Day Brite Lighting Inc | Electric lighting fixture with louver members |
DE1193443B (en) * | 1961-12-19 | 1965-05-26 | Hemholz & Pauli Beleuchtungste | Anti-glare louvre for lights |
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