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US 2018/0009453 A1Published application
Light Signal
AssigneeSiemens Aktiengesellschaft
InventorsROLF ECKL, KAY KOESTER, ZELJKO MARINCIC
Life of this patent
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Abstract
A light signal, in particular for rail-bound traffic routes, includes a control device which controls a light source, and an optical system for visualizing a signal term. In order to more precisely adjust brightness boundaries, light distribution and phantom light intensity, a transmission-controllable smart-glass element is provided in an aperture segment of the light flow.
Claims10
1-8. (canceled)
A light signal, comprising:
- a light source producing a light flow;
- a control device controlling said light source;
- an optical system for visualizing a signal term;
- and
- a transmission-controllable smart-glass element provided in an aperture segment of the light flow.
2 more elements
Dependencies are inferred from the claim text.