Development of a Wearable Haptic Tactile Interface as an Aid for the Hearing and/or Visually Impaired

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A wearable haptic tactile interface, TAJODA II, was designed as an aid for the hearing and/or visually impaired. The device includes a small camera, small microphone, accelerometer, and tactile display so that it can be integrated with a mobile device such as a smartphone. The whole device measures 69×115×29 mm and weighs 160 g excluding the batteries (two AAA). The tactile display consists of a 32-channel vibrator matrix, and has the function of representing images or sounds detected by the camera or the microphone as vibration patterns on the fingertip pad. Since the tactile display also functions as a tactile sensor, tactile information obtained by striking or tracing the display is presented on another receiver’s tactile display, enabling it to be used also for deafblind people. This paper describes the design concept and the basic functions of the tactile interface, and explains how the interface is useful for the blind based on the results of preliminary evaluation experiments carried out by a blind person.

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  • NTUT Education of Disabilities

    NTUT Education of Disabilities 13 5-12, 2015-03

    The Committee for Promotion of Academic and Social Contribution, National University Corporation Tsukuba University of Technology

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