Monday, 22 June 2015

elite and anodyne

Though one thinks of the format of the seven-segment display to have been a fairly recent concept, it predates the electronic control-panels, trusty alarm clocks, pocket calculators and home entertainment gadgets by decades—the design first patented in the USA as early as 1908 with illuminated instrument panels following just two years later. The rendering of numerals—calculator spelling with 1337 and the like—in such a manner was not thrust upon the public all at once, however, with the advent of the liquid crystal display (LED) but was already a familiar sight on the vertical totems of petrol stations, quoting the current price and in the distinctive flip-flap boards of departure terminals.