Evoked friction on a smooth touch device

  • Authors:
  • Johan Kildal

  • Affiliations:
  • Nokia Research Center, Helsinki, Finland

  • Venue:
  • CHI '11 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2011

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Abstract

Creating realistic virtual friction forces requires using complex hardware setups. In simpler mobile systems, friction is often suggested by mimicking textures with vibration, based on the position on the screen. Even in the simplest implementations, this paper proposes that force sensing should also be used to modulate vibration. In this way, Coulomb's model of friction can be better emulated and it can lead to conclude more easily that friction is the origin of the vibration. A proof-of-concept prototype is described, which received positive first impressions regarding improved user experience. A follow up study is warranted.