Head lamp device for vehicle

Details Head lamp device for vehicle Head lamp device for vehicle

1997-05-23

1999-03-02

Cariaso, Alan

Illumination

Supported by vehicle structure

Condition responsive

362276, B60Q 108, B60Q 1100

Patent

active

058761136

ABSTRACT:
A head lamp device for a vehicle capable of changing a lighting region in front of the vehicle in rightward and leftward directions is provided. The device comprises a head lamp, a lighting region changing mechanism for changing the lighting region of the head lamp, a right wheel speed sensor for detecting a rotational speed of a right wheel, a left wheel speed sensor for detecting a rotational speed of a left wheel, a lighting angle calculating mechanism for calculating a lighting angle of the head lamp from the right and left wheel rotational speeds detected by the right wheel speed sensor and the left wheel speed sensor respectively, and a control mechanism for controlling the lighting region changing mechanism on the basis of the lighting angle calculated by the lighting angle calculating mechanism to change the lighting region.

REFERENCES:
patent: 4858080 (1989-08-01), Oikawa
patent: 4870545 (1989-09-01), Hatanaka et al.
patent: 5060120 (1991-10-01), Kobayashi et al.
patent: 5562336 (1996-10-01), Gotou
patent: 5588733 (1996-12-01), Gotou
patent: 5660454 (1997-08-01), Mori et al.
patent: 5787370 (1998-07-01), Kutscher et al.

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