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A navigation system using ultrasonic directional speaker with rotating base

Published: 22 July 2007 Publication History
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  • Abstract

    This paper proposes new method for object reference which enables a person to find surrounding objects and develops a navigation system named CoCo. CoCo employs an ultrasonic directional speaker with a rotating base. Ultrasonic wave transmitted by an ultrasonic directional speaker is converted to audible sound when it reflects on floor, wall, or object. Based on this property, CoCo can emit audible sound from arbitrary place using a rotating base. When CoCo navigates a person to an object, CoCo transmits ultrasonic wave so as to hear audible sound continuously from the line between the ultrasonic directional speaker and the object. We designed and implemented an object management system as an application using 3D position sensors and a navigation system CoCo. This paper shows how CoCo navigates a person to an object using position data from an object management system.

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    Cited By

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    • (2015)A Preliminary Study on Network-based ADL Training for the Visually Impaired by Use of a Parametric-speaker RobotProceedings of the 8th International Symposium on Visual Information Communication and Interaction10.1145/2801040.2801043(9-12)Online publication date: 24-Aug-2015
    • (2011)SonalShooterACM SIGGRAPH 2011 Posters10.1145/2037715.2037807(1-1)Online publication date: 7-Aug-2011

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    Published In

    cover image Guide Proceedings
    Proceedings of the 2007 conference on Human interface: Part II
    July 2007
    1161 pages
    ISBN:9783540733539
    • Editors:
    • Michael J. Smith,
    • Gavriel Salvendy

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    Springer-Verlag

    Berlin, Heidelberg

    Publication History

    Published: 22 July 2007

    Author Tags

    1. object reference
    2. position sensor
    3. ultrasonic directional speaker
    4. ultrasonic wave

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    • (2015)A Preliminary Study on Network-based ADL Training for the Visually Impaired by Use of a Parametric-speaker RobotProceedings of the 8th International Symposium on Visual Information Communication and Interaction10.1145/2801040.2801043(9-12)Online publication date: 24-Aug-2015
    • (2011)SonalShooterACM SIGGRAPH 2011 Posters10.1145/2037715.2037807(1-1)Online publication date: 7-Aug-2011

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