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This design aims at helping blindmen to get a free city life.On the basis of tradition blind-guide method,here we put touching&hearing interavtive system in it.The blinds could get voice order from bluetooth headphone,and then the touching ball on guide stick will turn as a compass,with it blindmen could walk in city more convenient and safe.What's more,through the SD-card we can download GPS maps for blindmen and detector could help blinds to avoid obstacles and to get fresh walking environment.
Ke Li,Fan Yang,Pengcheng An,Tian Tan