Headlamp for vehicle

Details Headlamp for vehicle Headlamp for vehicle

2006-03-07

2006-03-07

Cariaso, Alan (Department: 2875)

Illumination

Supported by vehicle structure

Projection-type headlamp

C362S284000, C362S324000, C362S464000, C362S512000, C362S523000

Reexamination Certificate

active

07008093

ABSTRACT:
A first shade32is properly moved to vertically shift the position of a cutoff line, and furthermore, a lighting unit20is properly tilted in a vertical direction to displace a whole light distribution pattern in the vertical direction. Consequently, a light irradiation is carried out with a light distribution pattern at an irradiation angle corresponding to a vehicle traveling situation. In that case, a second shade34is properly moved to form a dark portion in a central part on the lower end of the light distribution pattern in a predetermined size if necessary. Consequently, the amount of a light irradiation on a short-distance region can be controlled finely, and a road surface on this side can be prevented from becoming too bright in a high-speed travel and a light reflected by the road surface which causes a glare can be prevented from being generated in a rain travel.

REFERENCES:
patent: 5707129 (1998-01-01), Kobayashi
patent: 6309094 (2001-10-01), Woerner
patent: 6457849 (2002-10-01), Tsukamoto
patent: 6457851 (2002-10-01), Hamm
patent: 6837601 (2005-01-01), Tatsukawa
patent: 6848814 (2005-02-01), Watanabe et al.
patent: 2001/0040810 (2001-11-01), Kusagaya
patent: 2001-325816 (2001-11-01), None

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