| 摘要 |
This invention relates to an optical system comprising connection means for the light source and a surface reflecting light rays emitted from this light source. In particular, provision is made for the reflective surface to comprise at least two parabolic-mirror portions 14a, 14b, the axes of which intersect in correspondence with the respective foci and in which the light source is placed at the point of intersection of the axes of the aforementioned parabolic-mirror portions. The invention applies particularly to torches. <IMAGE> |
