SenseableRays: opto-haptic substitution for touch-enhanced interactive spaces

ABSTRACT

This paper proposes a new haptic interaction system based on optical-haptic substitution. This system combines time-modulated structured light emitted to the workspace and a mobile or finger-mounted module consisting of a photo-detector with a tactile actuator. Unlike other tactile feedback systems, it does not require any complicated mechanism for position sensing and tactile actuation. Instead, it directly converts time-modulated structured light into haptic sensations. By sensing this light with a photo detector, users can feel this time-modulated light as haptic sensations. The system can easily add haptic feedback to a wide variety of applications, including surface computing systems and 3D interactive spaces.

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INDEX TERMS

Primary Classification:
  H. Information Systems
  H.5 INFORMATION INTERFACES AND PRESENTATION (I.7)
      H.5.2 User Interfaces (D.2.2, H.1.2, I.3.6)
          Subjects: Haptic I/O

General Terms:
Human Factors

Keywords:
digital micro-mirror device, haptic interactions, interactive devices, time-modulated structured light