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Everyone has the experience of umbrella being stolen by others, especially on rainy day. U-Locker makes the umbrella-stealing people hard to open the umbrella, which declines the stolen rate. U-Locker combines the combination lock with umbrella, it can only be unlocked when the users rotate to the correct code.
National Taiwan University
National Taiwan University of Scien
Chang-Chi,Shih / Chih-Hao,Wang / Yin-Kai,Lee