Vehicular headlamp apparatus

Details Vehicular headlamp apparatus Vehicular headlamp apparatus

2008-05-20

2008-05-20

O'Shea, Sandra (Department: 2875)

Illumination

Supported by vehicle structure

Condition responsive

C362S460000, C362S464000, C362S465000, C315S082000

Reexamination Certificate

active

07374320

ABSTRACT:
A control unit of a vehicular headlamp apparatus can selectively perform steering angle control and navigation-cooperative control. The steering angle control operates a drive mechanism based on a steering angle and a speed of a vehicle to control a headlamp's swivel angle. The navigation-cooperative control operates the drive mechanism using a navigation unit to control the swivel angle. When a current position of the vehicle reaches an entry control start point, the control unit starts navigation-cooperative control at the entry into a curved road. The control unit finds a target swivel angle based on a curvature radius and curved road direction information about the curved road. While the vehicle moves from the entry control start point to a curved road start point, the control unit operates the drive mechanism to gradually change the headlamp's swivel angle to the target swivel angle.

REFERENCES:
patent: 5588733 (1996-12-01), Gotou
patent: 5931572 (1999-08-01), Gotoh
patent: 6010237 (2000-01-01), Gotou
patent: 6633027 (2003-10-01), Kobayashi et al.
patent: 6752508 (2004-06-01), Kobayashi
patent: 6755560 (2004-06-01), Horii
patent: 61-211146 (1986-09-01), None
patent: 2-296550 (1990-12-01), None
patent: 2001-221332 (2001-08-01), None

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