IN141074B - - Google Patents
Info
- Publication number
- IN141074B IN141074B IN368/CAL/75A IN368CA1975A IN141074B IN 141074 B IN141074 B IN 141074B IN 368CA1975 A IN368CA1975 A IN 368CA1975A IN 141074 B IN141074 B IN 141074B
- Authority
- IN
- India
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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
- F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
-
- 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
- F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
-
- 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
- F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature
-
- 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
- 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
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9752/74A GB1504514A (en) | 1974-03-05 | 1974-03-05 | Vehicle lamp assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN141074B true IN141074B (fi) | 1977-01-15 |
Family
ID=9878095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN368/CAL/75A IN141074B (fi) | 1974-03-05 | 1975-02-26 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3949214A (fi) |
| JP (1) | JPS50121941A (fi) |
| DE (1) | DE2509229A1 (fi) |
| FR (1) | FR2263456B1 (fi) |
| GB (1) | GB1504514A (fi) |
| IN (1) | IN141074B (fi) |
| IT (1) | IT1029915B (fi) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU505317B2 (en) * | 1976-08-23 | 1979-11-15 | Thorn Electrical Industries Limited | Suppression of colour fringing in lamps |
| DE3342919A1 (de) * | 1983-11-26 | 1985-06-05 | Bosch Gmbh Robert | Scheinwerfer fuer kraftfahrzeuge |
| US5280415A (en) * | 1992-06-12 | 1994-01-18 | Barnette Bobby W | Illuminated chart holder |
| CA2175554C (en) * | 1996-05-01 | 2000-07-11 | Dean Grierson | Indirect asymmetric luminaire assembly |
| IL131284A (en) * | 1999-08-05 | 2003-05-29 | Orbotech Ltd | Illumination for inspecting surfaces of articles |
| DE102005025481A1 (de) * | 2005-06-03 | 2006-12-07 | Audi Ag | Beleuchtungseinrichtung für ein Kraftfahrzeug |
| US7950833B1 (en) | 2008-06-17 | 2011-05-31 | Genlyte Thomas Group Llc | Splay frame luminaire |
| DE102011102679B4 (de) * | 2011-05-28 | 2023-02-02 | HELLA GmbH & Co. KGaA | Leuchteinheit für einen Scheinwerfer eines Fahrzeugs |
| DE102011087308B4 (de) | 2011-11-29 | 2024-06-06 | Osram Gmbh | Leuchtvorrichtung mit Reflektor, Linse und Blende |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1589624A (en) * | 1925-10-12 | 1926-06-22 | Harry E Bronson | Headlight |
| US2185438A (en) * | 1938-04-26 | 1940-01-02 | Herman Paul Albert | Automobile headlight |
| US3142444A (en) * | 1961-08-07 | 1964-07-28 | Hotel Doriguzzi | Vehicle fog light |
| JPS4113210Y1 (fi) * | 1964-02-28 | 1966-06-23 | ||
| FR2067925A5 (fi) * | 1969-11-21 | 1971-08-20 | Peugeot & Renault |
-
1974
- 1974-03-05 GB GB9752/74A patent/GB1504514A/en not_active Expired
-
1975
- 1975-02-26 IN IN368/CAL/75A patent/IN141074B/en unknown
- 1975-02-27 US US05/553,824 patent/US3949214A/en not_active Expired - Lifetime
- 1975-03-03 IT IT48411/75A patent/IT1029915B/it active
- 1975-03-04 FR FR7506702A patent/FR2263456B1/fr not_active Expired
- 1975-03-04 JP JP50026437A patent/JPS50121941A/ja active Pending
- 1975-03-04 DE DE19752509229 patent/DE2509229A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE2509229A1 (de) | 1975-09-11 |
| FR2263456A1 (fi) | 1975-10-03 |
| IT1029915B (it) | 1979-03-20 |
| FR2263456B1 (fi) | 1977-04-15 |
| US3949214A (en) | 1976-04-06 |
| GB1504514A (en) | 1978-03-22 |
| JPS50121941A (fi) | 1975-09-25 |