December 2, 2014
It is not the first time that ultrasounds have been used to create an echolocation device, but in this case a group of students from Wake Forest University has created a watch following the current fever of smartwatches that is being generated lately.
The sonar clock has a pair of ultrasonic distance meters, which are connected to vibration motors to generate a very easy-to-use haptic system that allows knowing the distance at which objects are around.
However, the use of echolocation has barely spread among the blind, so we hope that the interest in this type of device will bring it to those who need it.
via The sonar watch brings echolocation to the wrists of the blind.
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