IT1245284B - Device for eliminating, or at least attenuating the dazzling effect caused to the driver of a vehicle by the headlights of approaching vehicles - Google Patents
Device for eliminating, or at least attenuating the dazzling effect caused to the driver of a vehicle by the headlights of approaching vehiclesInfo
- Publication number
- IT1245284B IT1245284B ITTO910081A ITTO910081A IT1245284B IT 1245284 B IT1245284 B IT 1245284B IT TO910081 A ITTO910081 A IT TO910081A IT TO910081 A ITTO910081 A IT TO910081A IT 1245284 B IT1245284 B IT 1245284B
- Authority
- IT
- Italy
- Prior art keywords
- driver
- vehicle
- road
- headlights
- attenuating
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
Abstract
According to the invention the device comprises an optical screen Sc, forming a zone of reduced transparency in the driver's visual field so as to attenuate all the luminous radiation coming from the part of the road (lane Cr) reserved for vehicles travelling in the opposite direction, and in which said zone of reduced transparency at least a little greater than the theoretical value alpha included, on the vehicle's windscreen Pb, between two ideal half lines s', m, respectively representing the margin of said part of the road (left-hand margin of the lane Cr) and the middle of the road itself, supposed to be straight and of infinite length, and intersecting in a point of convergence A, corresponding to the vanishing point of said half lines for the driver of the vehicle, said screen Sc possibly leaving the part of said theoretical angle close to said point A uncovered. <IMAGE>
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910081A IT1245284B (en) | 1991-02-11 | 1991-02-11 | Device for eliminating, or at least attenuating the dazzling effect caused to the driver of a vehicle by the headlights of approaching vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO910081A IT1245284B (en) | 1991-02-11 | 1991-02-11 | Device for eliminating, or at least attenuating the dazzling effect caused to the driver of a vehicle by the headlights of approaching vehicles |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO910081A0 ITTO910081A0 (en) | 1991-02-11 |
ITTO910081A1 ITTO910081A1 (en) | 1992-08-11 |
IT1245284B true IT1245284B (en) | 1994-09-13 |
Family
ID=11408885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO910081A IT1245284B (en) | 1991-02-11 | 1991-02-11 | Device for eliminating, or at least attenuating the dazzling effect caused to the driver of a vehicle by the headlights of approaching vehicles |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1245284B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2864473A1 (en) * | 2003-12-24 | 2005-07-01 | Renault Sas | Anti-glare system for motor vehicle, has windshield with liquid crystal film placed at left of vertical plane, where film extends between horizon line and bottom of windshield and also between traffic line and edge of windshield |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3056154B1 (en) | 2016-09-20 | 2019-07-05 | Office National D'etudes Et De Recherches Aerospatiales (Onera) | FILTERING VISION ELEMENT FORMING WINDSHIELD OR MIRROR FOR ROAD VEHICLE |
-
1991
- 1991-02-11 IT ITTO910081A patent/IT1245284B/en active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2864473A1 (en) * | 2003-12-24 | 2005-07-01 | Renault Sas | Anti-glare system for motor vehicle, has windshield with liquid crystal film placed at left of vertical plane, where film extends between horizon line and bottom of windshield and also between traffic line and edge of windshield |
Also Published As
Publication number | Publication date |
---|---|
ITTO910081A1 (en) | 1992-08-11 |
ITTO910081A0 (en) | 1991-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19990224 |