White cane navigational device for the visually impaired
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United States of America Patent
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Oct 17, 2017
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N/A
app pub date -
Nov 3, 2015
filing date -
Nov 3, 2014
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Abstract
An improved white cane includes an elongate body having a proximal end adapted to be held by or secured to a human user and a distal tip, and a noise generator located proximate the distal tip, the noise generator being configured to generate sound within a range of frequencies audible to humans. The user is able to interpret differences in reflected sound as the white cane is moved about the user's surroundings to obtain more information about the surroundings than could be obtained using a normal white cane. Additionally, the information about the surroundings may become available to the user before that information might otherwise have been available to the user using a standard white cane.
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