Shape-changing mobiles: tapering in two-dimensional deformational displays in mobile phones

  • Authors:
  • Fabian Hemmert;Susann Hamann;Matthias Löwe;Josefine Zeipelt;Gesche Joost

  • Affiliations:
  • Deutsche Telekom Laboratories, Berlin, Germany;Deutsche Telekom Laboratories, Berlin, Germany;Deutsche Telekom Laboratories, Berlin, Germany;Deutsche Telekom Laboratories, Berlin, Germany;Deutsche Telekom Laboratories, Berlin, Germany

  • Venue:
  • CHI '10 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2010

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Abstract

This paper presents a novel haptic actuation system for mobile phones: Two-dimensional tapering through an actuated back plate. It proposes this type of shape-change for various applications, e.g. for ergonomically actuating the shape itself, displaying internal contents, and pointing to entities located outside the device. The paper reports a user study in which the accuracy of perceiving the two-dimensional tilt of the phone's back plate is measured, as well as results from a questionnaire and a user interview. The results indicate that two-dimensional shape change may be a suitable addition to existing mobile phone technology.