METHOD AND APPARATUS FOR PROVIDING SPACE INFORMATION
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United States of America Patent
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May 12, 2016
app pub date -
Nov 5, 2015
filing date -
Nov 5, 2015
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Abstract
A method and an apparatus for providing space information to a visually handicapped person using a reflected sound of ultrasonic wave. The apparatus for providing space information includes: an ultrasonic transmitting and receiving unit transmitting an ultrasonic wave for acquiring the space information to a surrounding space and receiving a reflected sound of ultrasonic wave reflected from obstacles through at least two channels; and a stereophonic sound converting unit converting the received reflected sound into an audible sound and outputting the audible sound.
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