Destination Board
A split-flap display, or sometimes simply a flap display, is a digital electromechanical display device that presents changeable alphanumeric text, and occasionally fixed graphics. They were (from the 1960s to 1990s) commonly used as public transport timetables in airports and railway stations. They were often called Solari boards after the Italian display manufacturer Solari di Udine, or, in Central European countries, Pragotron after the Czech manufacturer. Split-flap displays were once commonly used in consumer digital clocks known as flip clocks. Design Each character position or graphic position has a collection of flaps on which characters or graphics are painted or silkscreened. Larger flaps can display whole words, while smaller flaps display individual characters. The flaps are precisely flipped to display the desired character or graphic. These devices typically show departure or arrival information in railway stations and airports, where they serve as flight info ...
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