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Nowdays, weight has been seen as a part of personal privacy.When people get on the scale in public place, the height and weight dates are directly on the screen shows.So it cause the privacy disclosure,and have the uncomfortable experience for users.I design a type of meter in height and weight.The product newly added the function of two-dimension code generation,Only selecting the option of "privacy", the machine automatically forms two-dimension code figure after receiving the height data, and display it on the LCD screen, the users can obtain personal data through the phone code, and finish the privacy of data.
east china university of science and technology