Tactile Graphics Revised: The Novel BrailleDis 9000 Pin-Matrix Device with Multitouch Input
ICCHP '08 Proceedings of the 11th international conference on Computers Helping People with Special Needs
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Tactile braille displays and speech output devices help blind computer users to overcome their inability to receive feedback from a screen; nonetheless user interfaces based on graphics for output and pointing devices for input are still unusable by the blind. For example dragging an icon on the screen cannot verbally be described. A tactile representation of an icon also doesn't fit on the canvas of usual braille displays with 20 - 80 braille cells.