Illumination – Supported by vehicle structure – Projection-type headlamp
Reexamination Certificate
2007-01-23
2007-01-23
O'Shea, Sandra (Department: 2875)
Illumination
Supported by vehicle structure
Projection-type headlamp
C362S518000, C362S523000, C362S539000
Reexamination Certificate
active
11045591
ABSTRACT:
A headlamp includes a sub-reflector between a main reflector and a projection lens. The sub-reflector has a sub-reflection surface in a form of a paraboloid of revolution. The sub-reflector is movable between a low-beam posture and a high-beam posture. The sub-reflector forms a diffused light distribution pattern superposes the pattern on a low-beam light distribution pattern produced by the main reflector when the sub-reflector is in the low-beam posture and forms a condensed light distribution pattern and superposes the pattern on a high-beam light distribution pattern formed by the main reflector when the sub-reflector is in the high-beam posture.
REFERENCES:
patent: 5060120 (1991-10-01), Kobayashi et al.
patent: 2002/0186565 (2002-12-01), Taniuchi et al.
patent: 2002-324413 (2002-11-01), None
Ohkubo Yasuhiro
Suzuki Eiji
Ichikoh Industries Ltd.
Lee Guiyoung
O'Shea Sandra
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