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There are many locks used in our daily life, of course we have many keys. The shapes of keys are too similar to distinguish which is the match key of a lock. “Intelligent Key” is designed to solve the problem. The blind can distinguish the functions of keys by touching the shape on the top of them, which provides people a more convenient way in life and can save time effectively.
Dalian Minzu University
Dalian, China
Xuefei Liu
Di Fang
Menghan Ji
Mingyang Li