| 摘要 |
FIELD: physics, optics.SUBSTANCE: invention relates to a light signal, which is provided with a semiconductor light source and a system of converging lenses for presenting signal indications, particularly on railways. A light signal, which is provided with a semiconductor light source (2) and a system (11) of converging lenses, which serves for presenting signal indications, particularly on railways, wherein the semiconductor light source (2) is in the form of a point white light source, wherein for signal readings one common point light source is provided, which is provided with a white LED or a white power LED - a high-current LED, as well a common system of converging lenses, wherein in the aperture region of the point light source there is an automatic switch for positioning colour filters provided for said signal indications, and a colour filter is in the form of a colour-filtering film made of polycarbonate.EFFECT: simple light signal.3 dwg |
