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    LICHTSIGNAL
    2.
    发明公开
    LICHTSIGNAL 有权

    公开(公告)号：EP2953833A2

    公开(公告)日：2015-12-16

    申请号：EP14711464.9

    申请日：2014-03-11

    申请人： Siemens Aktiengesellschaft

    发明人： TEMMING, Rudolf

    IPC分类号： B61L5/18 ,  G08G1/095 ,  F21V5/04

    CPC分类号： B61L5/125 ,  B61L5/1845 ,  B61L5/1854 ,  B61L2207/00 ,  F21V5/045 ,  F21V11/08 ,  G08G1/095

    摘要： The invention relates to a light signal, more particularly for rail-bound traffic routes, comprising a light source (10) and an optical system for signal aspect visualization, more particularly into a far range and a near range angled relative thereto. In order to achieve a reduction of phantom light that suffices to be able to dispense with a shield, provision is made for the optical system to comprise a Fresnel lens (13), the light entrance surface of which has Fresnel structures (15) and the light exit surface (16) of which is designed in such a way that every tangent (17) to the light exit surface (16) is at an angle of ≥ 105° relative to an optical axis (14) of the optical system.

    摘要翻译： 本发明涉及一种光信号，更具体地涉及用于有轨交通路线的光信号，其包括光源（10）和用于信号方面可视化的光学系统，更具体地涉及远距离和相对于其成角度的近距离。 为了实现足以能够省去护罩的幻影光的减少，规定光学系统包括菲涅耳透镜（13），其光入射表面具有菲涅耳结构（15），并且 其出光面（16）被设计为使得到光出射面（16）的每个切线（17）相对于光学系统的光轴（14）具有≥105°的角度。