IT944994B - Impianto di illuminazione per veicoli stradali - Google Patents
Impianto di illuminazione per veicoli stradaliInfo
- Publication number
- IT944994B IT944994B IT54161/71A IT5416171A IT944994B IT 944994 B IT944994 B IT 944994B IT 54161/71 A IT54161/71 A IT 54161/71A IT 5416171 A IT5416171 A IT 5416171A IT 944994 B IT944994 B IT 944994B
- Authority
- IT
- Italy
- Prior art keywords
- lighting system
- road vehicles
- vehicles
- road
- lighting
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
-
- 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
- F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
- F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
- F21S41/686—Blades, i.e. screens moving in a vertical plane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5520970A GB1364446A (en) | 1970-11-20 | 1970-11-20 | Road vehicle lighting systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT944994B true IT944994B (it) | 1973-04-20 |
Family
ID=10473275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT54161/71A IT944994B (it) | 1970-11-20 | 1971-11-18 | Impianto di illuminazione per veicoli stradali |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3731141A (it) |
| DE (1) | DE2157459A1 (it) |
| FR (1) | FR2114887A5 (it) |
| GB (1) | GB1364446A (it) |
| IT (1) | IT944994B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2935976C2 (de) * | 1979-09-06 | 1983-04-21 | Hans Raum GmbH & Co KG, 8500 Nürnberg | Vorrichtung zum Verstellen der Reflektoren bzw. Refraktoren von Leuchten für befahrbare, der Witterung ausgesetzte Verkehrsflächen, insbesondere Straßen. |
| US5182502A (en) * | 1991-05-06 | 1993-01-26 | Lectron Products, Inc. | Automatic headlamp dimmer |
| DE19708111A1 (de) * | 1997-02-28 | 1998-09-03 | Hella Kg Hueck & Co | Fernbetätigbares Einstellsystem |
| DE19708109A1 (de) * | 1997-02-28 | 1998-09-03 | Hella Kg Hueck & Co | Scheinwerfer für Fahrzeuge |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2965798A (en) * | 1959-12-03 | 1960-12-20 | Electronics Corp America | Headlight control apparatus |
-
1970
- 1970-11-20 GB GB5520970A patent/GB1364446A/en not_active Expired
-
1971
- 1971-11-15 US US00198534A patent/US3731141A/en not_active Expired - Lifetime
- 1971-11-18 IT IT54161/71A patent/IT944994B/it active
- 1971-11-19 FR FR7141448A patent/FR2114887A5/fr not_active Expired
- 1971-11-19 DE DE19712157459 patent/DE2157459A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2114887A5 (it) | 1972-06-30 |
| GB1364446A (en) | 1974-08-21 |
| US3731141A (en) | 1973-05-01 |
| DE2157459A1 (de) | 1972-05-31 |
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