Head lamp device for vehicle

Details Head lamp device for vehicle Head lamp device for vehicle

1997-06-03

1999-06-08

Sember, Thomas M.

Illumination

Vehicle steering mechanism or element moves pivoted lamp or...

362466, 362465, 315 82, B60Q 108

Patent

active

059099496

ABSTRACT:
A head lamp device for a vehicle capable of changing a lighting region in front of the vehicle in right and left directions, in which change of the lighting region is suppressed so as not to give the driver a sense of incongruity when a steering wheel is operated in one direction and then rapidly in the other as in case of counter-steering. The device comprises a lighting region changing mechanism for changing the lighting region of the head lamp; a steering angle sensor for detecting a steering angle; a turning movement detector for detecting a turning movement of the vehicle body in right and left directions; a first lighting angle calculating mechanism for calculating a first lighting angle based on the steering angle detected by the steering angle sensor; a second lighting angle calculating mechanism for calculating a second lighting angle based on the turning movement detected by the turning movement detector; a lighting angle deciding mechanism for deciding a final lighting angle from the first lighting angle and the second lighting angle; and a controller for controlling the lighting region changing means to change the lighting region on the basis of the final lighting angle.

REFERENCES:
patent: 4858080 (1989-08-01), Oikawa
patent: 4870545 (1989-09-01), Hatanaka et al.
patent: 5526242 (1996-06-01), Takahashi et al.
patent: 5562336 (1996-10-01), Gotou
patent: 5588733 (1996-12-01), Gotou
patent: 5645338 (1997-07-01), Kobayashi

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