| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a double-object headlight for a low beam and a high beam for an automobile. <P>SOLUTION: This double-function headlight for the automobile emits irradiation light with a cutoff, in particular, a low beam as a first function and emits a high beam as a second function. The double-function headlight is provided with: an elliptical reflecting mirror 1 having an inner focal point and an outer focal point on the optical axis; a light source S located close to the inner focal point; a lens located in front of the reflecting mirror, and having a focal point located at the same position as that of the outer focal point of the reflecting mirror or extremely adjacently thereto; and a pull-in type shade plate M capable of taking an operation position for low beam emission and a pull-in position for high beam emission, wherein the upper edge for the cutoff is located in the vicinity of the focal point of the lens at the operation position, and fitting in the pull-in position located in a lower part of the reflecting mirror when rotated to the front side to function as a reflecting surface and contribute to the emission of the high beam. <P>COPYRIGHT: (C)2010,JPO&INPIT |
