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Refreshable braille display
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== Rotation-wheel Braille display == A rotating-wheel Braille display was developed in 2000 by the [[National Institute of Standards and Technology]] (NIST) and another at the [[Katholieke Universiteit Leuven|Leuven University]] in Belgium.<ref>{{cite news| url=https://web.archive.org/web/20131004220126/zdnet.nl/braille/43665/vlaamse-onderzoekster-ontwikkelt-braillecomputermuis| title=Flemish researcher (Tiene Nobels) develops braille computer mouse / Vlaamse onderzoekster (Tiene Nobels) ontwikkelt braillecomputermuis| work=ZDNet}}<br>[https://web.archive.org/web/20070112214727/homes.esat.kuleuven.be/~nobels/braillemuis.html Pictures of the experimental setup]</ref> In these units, braille dots are put on the edge of a spinning [[wheel]], which allows the user to read continuously with a stationary finger while the wheel spins at a selected speed. The braille dots are set in a simple scanning-style fashion as the dots on the wheel spin past a stationary [[actuator]] that sets the braille characters. As a result, manufacturing complexity is greatly reduced and rotating-wheel braille displays, when in actual production, should be less expensive than traditional braille displays.
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