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Screen Qr Code Used in Subway Turnstile
Source:Powered | Author:admin | Time:2017-12-05 | Views:460

Shanghai residents can use their mobile phones to access subway stations: they can automatically generate a QR code by using the official mobile phone client APP. Then the embedded barcode scanner reads the screen code and the residents can access the subway station quickly. This new “scanning the barcode through the turnstile”, using the world’s first “QR code offline” technology. Which doesn’t need to read bar code information, only about one second, people can pass through the turnstile machine!

The “generate the screen barcode by mobile phone” function, in the real sense of the passengers, solved the queuing of purchase ticket, cash purchase tickets, and the NFC bus card carrying inconvenient problems. The technology enables passengers on the mobile phone to enter and exit the turnstile without network status. The technology is designed by Shanghai metro and obtained the national patent. The core technology, to make the passengers in the process of the mobile phone screen QR code generation does not rely on the network. So the response time and traffic speed are not affected by the influence of the network speed, improve the working efficiency of the subway.

Screen Qr Code Used in Subway Turnstile

In early 2018, the solution to the “scanning bar code” will cover all metro stations in Shanghai. At that time, there would be four dedicated turnstiles on each station, and passengers could use their phones to access the turnstiles.

What is a good embedded barcode scanner module to recommend for the turnstile?

RD4500R 2d barcode scanner has an interface is USB or RS-232.It reads printed or screen barcodes with 5 to 10mil precision. Its light source is LED white light and the Industrial grade is IP65. At the same time, the small streamlined design makes it perfect for embedding in the various types of self-service machines to use, like Kiosk, turnstile, vending machine, very nice.

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