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My inspiration comes from automobile back a car radar. When a car’s backing up, it can detect and display automatically the distance between the tail of the car and the nearest obstacle. This device uses this principle. 10 acoustic wave sensor are worn on the the blind’s hands, shoulders and feet. The detector can detect and warn the distance between the blind and the nearest obstacle. And host will remind the blind by the earphone.
So this product will solve the problem that the blind man is not convenient to go for walk, they don’t want the other people know he is a blind man and hand, shoulder and transverse width can't detect.
Hubei Institute of Fine Arts