Fiber-optic display
Dynamic fiber optic displays typically display alphanumeric text, and utilize electromechanical shutters to open or close the ends of the fiber strands to display an alphanumeric pixel. These types of displays were commonly used as variable-message signs on highways. Compared to eggcrate displays, dynamic fiber optic displays offered lower energy consumption due to requiring fewer bulbs, and offered improved nighttime legibility. For daytime legibility, they were sometimes combined with flip-disc displays to be ref
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