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Secret / QR printer


Secret is a device designed for postcards encryption, It combined with the present popular QR(Quick Response)code, and increases the extracted information prompt, the recipient simply scan code using a mobile phone and answer the correct answer can be extracted the text and pictures information, the QR(Quick Response)code can also add pictures of mailer and postcards tracking code ,effectively reducing the postcard mistakenly collar and lost, its mode of operation including handwriting and spelling input, greatly expanded the use of the crowd, it will make postcard become popular in the world again.


North China University of Technology

North China University of Technology
Beijing, China

Han Yue,
North China University of Technology