Cards with QR codes that can be used were released in 1994 by specialists from Denso Wave, released today by the NT division of Toyota. These methods were not used when mixing components and using vehicles in production. Denso Wave filed a patent, did not distribute its technology, interested in what was appreciated by a wide audience.
QR codes are intended to be used in open, non-existent versions, destroying their own parts. Using QR, you can access websites on the Internet, sign up with business cards, create a menu with coffee, and use plates for dishes and accessories. The QR code is used for several squares, including three squares for the basic orientation.
The codes contain encrypted data and special fragments to correct possible errors, which confirm that in this case the information contained in the code is contained. Interestingly, these QR codes are evolving and becoming more common. So, the first codes could be kept no more than 4 characters, in order to maintain the advancement of your version, 7089 is used. numbers
Source: Tech Cult
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