Designing of 2D Illusory Tactile Feedback for Hand-Held Tablets

  • Youngsun Kim
  • Jaedong Lee
  • Gerard J. Kim
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9299)


In this paper, we investigate whether the “out of body” tactile illusion can be extended or applied to a relatively large hand-held device such as a tablet for which the hands/fingers would not be in direct contact with the vibration motors. We derived guidelines for applying tactile illusion techniques in 2D space with regards to operational conditions such as the size of the device, holding position, minimally required vibration amplitudes, and the effects of matching visual feedback. For this purpose, a series of exploratory pilot experiments were first conducted in 1D space. Based on the results, a 2D illusory tactile rendering method was devised and tested for its effectiveness. We have found that for a tablet sized device (e.g. iPad mini and iPad), the illusory perception was possible with a rectilinear grid resolution of 5 × 7 (with a grid size of 2.5 cm) with matching visual feedback.


Funneling Illusory feedback Vibro-tactile feedback User experience Mobile/Hand-held interaction 



This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (No. 2011-0030079) and funded by the Forensic Research Program of the National Forensic Service (NFS), Ministry of Government Administration and Home Affairs, Korea (NFS-2015-DIGITAL-04).


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Copyright information

© IFIP International Federation for Information Processing 2015

Authors and Affiliations

  1. 1.Digital Experience LaboratoryKorea UniversitySeoulKorea

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