Illumination – Supported by vehicle structure – Light modifier
Reexamination Certificate
2007-06-28
2008-10-21
Tso, Laura (Department: 2875)
Illumination
Supported by vehicle structure
Light modifier
C362S516000, C362S538000, C362S539000, C362S346000, C362S298000
Reexamination Certificate
active
07438456
ABSTRACT:
A vehicle headlight can project a low beam and a high beam in a reasonable and efficient fashion and does not require a maximum output during high beam illumination, which is low in frequency of use. A light source can be arranged so that a main optical axis thereof forms an angle of approximately 30° to 60° with respect to a front-to-back direction of a vehicle/vehicle headlight. An extremity of the light source can extend toward the front and side of the vehicle. Part of a first reflector can be arranged closer to the front and a center of the vehicle than the light source. A second reflector can be configured to collect light from the first reflector and reflect the same light to the front of the vehicle. The second reflector can be located behind and closer to the side of the vehicle than the light source is. A distribution pattern switching unit can be located between the first reflector and the second reflector. The first reflector and the second reflector can be configured to provide a maximum output during low beam illumination. Part of the light from the first reflector that is to be projected to the lower half of the low beam distribution pattern during low beam illumination can be reflected by a reflecting plate of the distribution pattern switching unit and projected towards a location above a horizontal level during high beam illumination.
REFERENCES:
patent: 2004/0246738 (2004-12-01), Taniuchi
patent: 2007/0127255 (2007-06-01), Oyama
patent: 6203612 (1994-07-01), None
patent: 2001006409 (2001-01-01), None
Cermak Kenealy & Vaidya LLP
Stanley Electric Co. Ltd.
Tso Laura
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