| 摘要 |
<p>The headlamp (P) has a convergent lens (L) including a focal point merged with or next to an exterior focal point (Fe) of an elliptical reflector (1). A retractable shade (M) occupies active and withdrawn positions for dipped and full beams respectively. The shade presents, in the active position, a cut-off edge near the point of the lens. The shade is formed by parabolic complex surfaces (3a-3c) that present reflecting surfaces in the withdrawn position. The reflecting surfaces are turned forward and contribute to the full beam. The shade is placed in a lower part (1b) of the reflector.</p> |
