Abstract
A movable dynamic tactile display has been developed presenting information to one or several fingertips resting on the display. As a main goal, the virtual line or plane of information to be displayed should be read using the same perceptual and cognitive resources as with real objects like paper braille or tactile graphics. This is achieved by a nonvibratory display comprising an array of tactile pins having a spacing of about 1 mm, at least in the x-direction. These pins can be lifted by piezoelectric bending strips to a variety of heights. A scanned braille dot, for example, is presented by a smooth lateral “wave” of lifted and lowered pins. A special design resulting in a negligible power dissipation even at high bandwidth allows the integration of the bending strip drivers into the display mechanics. First experiences with a prototype are reported, and future research topics are outlined.
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© 1994 Springer-Verlag Berlin Heidelberg
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Fricke, J., Baehring, H. (1994). Displaying laterally moving tactile information. In: Zagler, W.L., Busby, G., Wagner, R.R. (eds) Computers for Handicapped Persons. ICCHP 1994. Lecture Notes in Computer Science, vol 860. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-58476-5_169
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DOI: https://doi.org/10.1007/3-540-58476-5_169
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