Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
Short-Range Communication Using Airborne Ultrasonic Wave and Its Application to Support Walking for Visually Handicapped Persons
Kazuhiro KOSHIYoshiaki TADOKORO
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2002 Volume 15 Issue 11 Pages 569-576

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Abstract

This paper presents a short-range communication system using airborne ultrasonic wave. This system is well suited to transmit environmental information in small area. In this paper, we also consider to apply the system to a sign-post system for visually handicapped persons. The sign-post system plays an important role in supporting the visually handicapped who walk without a supporter.

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