Device for controlling the light width of headlights for vehicle

Details Device for controlling the light width of headlights for vehicle Device for controlling the light width of headlights for vehicle

1998-08-13

1999-04-20

Wong, Don

Electric lamp and discharge devices: systems

Special application

Vehicle

315 77, 362 71, 362285, B60Q 102

Patent

active

058960112

ABSTRACT:
A device for controlling a light width of headlights of a vehicle said displacing units adapted to be associated with the headlights and operative for changing a light width of a light bundle emitted by the headlights, at least one sensor unit provided with at least one deflection sensor which detects a deflection of a vehicle body at least on one axle of the vehicle, an evaluating unit connected with the sensor unit and at least approximately determining an inclination .gamma. of the vehicle body relative to a roadway from signals of the sensor unit and controlling the displacing units for at least approximately maintaining constant the light width of the light bundle emitted by the headlight, the at least one sensor unit being provided additionally with an inclination sensor which determines an inclination .beta. of the vehicle body relative to a direction toward a center of gravity.

REFERENCES:
patent: 4583152 (1986-04-01), Kawai et al.
patent: 4733333 (1988-03-01), Shibata et al.
patent: 4968896 (1990-11-01), Shibata et al.

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