Sonicguide™ Helps Blind Ambulate Freely

Ultrasonic Spectacles Use Programmable-Gain Multiplier(AD531)

A mobility aid and environmental sensor for the blind, which was developed in New Zealand and extensively evaluated in the U.S.A. and other countries some years ago, is now in quantity production and is progressively being introduced in many countries around the world. The ultrasonic device, known as the Sonicguide, is built into a spectacle frame and is connected to a pocket-sized electronics package via a lightweight cord. Read full article


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Dr. Russell P. Smith