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US Patent 7708439 Vehicle headlamp

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7708439
Date of Patent
May 4, 2010
Patent Application Number
11290426
Date Filed
December 1, 2005
Patent Primary Examiner
‌
Sharon E. Payne
Patent abstract

A vehicle headlamp is provided with a lamp unit including a light source bulb having a light source for emitting light, a main reflector for reflecting the light emitted from the light source, a shade for shielding apart of the light reflected by the main reflecting face, and a projector lens for forward projecting the light having passed the shades. The vehicle headlamp unit is further provided with a first sub-reflector for reflecting the light emitted from the light source, a second sub-reflector for forward projecting the light from the first sub-reflector through the shade and the projector lens when the first sub-reflector is situated at a first position and a third sub-reflector having a third sub-reflecting face for forward projecting the light from the first sub-reflector not through the projector lens when the first sub-reflector is situated at a second position.

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