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Hendrik Richter, Matthias Schmidmaier
Towards Simulating Push Button Behavior on Touch Surfaces
6th International ACM Conference on Tangible, Embedded and Embodied Interaction - TEI 2012, Work in Progress, Kingston, ON, Canada, February 19-22. 2012 (bib)

Mechanical push buttons provide various multimodal stimuli before, during and after manual activation. This makes them fast, discriminable and easy to use with virtually no visual or cognitive attention. The transfer of these rich multimodal characteristics to touch based digital interfaces entails complex and costly technology for force sensing. In the paper, we describe a theoretical model, which makes up for the lack of force data by substituting applied input pressure with input time. Subsequently, we demonstrate a working implementation of our model using a remote tactile interface. Finally, we briefly discuss the results gained from 24 user interviews on the feasibility of our approach.