Yvonne Jansen
Thorsten Karrer
Jan Borchers
ABSTRACT
MudPad is a system capable of localized active haptic feedback on a touch screen. We use an array of electromagnets combined with an overlay containing magnetorheological (MR) fluid to actuate a tablet-sized area. As MudPad has a very low reaction time, it is able to produce instant multi-point feedback for touch input, ranging from static levels of surface softness to a broad set of dynamically changeable textures. Our system does not only convey global confirmative feedback on user input but allows the UI designer to enrich the whole interface with a tactile layer conveying local semantic information. This also allows users to explore the interface haptically.
Supplemental Material
Index Terms
- MudPad: a tactile memory game
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