Traffic information display arrangement, esp. for traffic lights assembly, uses digital data projector for sequential display of basic colors: red, yellow, green and blue

摘要

The display arrangement comprises a traffic information device (1) and transmitter (2) for passing information to a display panel (3). As a transmitter at least one digital data projector is provided which sequentially displays basic colors: red, yellow, green and blue. The projector includes a filter segment for saturation of the yellow tone and a green filter for operating in the region below 546 nm. The projector uses a mercury lamp as a discharge lamp.