| 摘要 |
PURPOSE: A 2D code searching and storing device is provided to increase value of a 2D code by validity verification and second processing of a GPS, time, a device, and a platform. CONSTITUTION: A 2D code content server(30) collects 2D codes which are transceived between 2D code providing servers(50) and 2D code devices(10) from a communication network(20). A 2D code database(40) stores the 2D code which is collected from the 2D code content server. The 2D code providing server has a 2D code generator. The 2D code providing server provides 2D codes to the 2D code devices.
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