POS machine screen display marketing two-dimensional code method and device thereof
A POS machine and two-dimensional code technology, which is applied in point-of-sale network systems, instruments, electrical components, etc., can solve problems such as inability to push messages from merchants, inability to realize value-added services such as precise marketing, and achieve the effect of expanding functions and precise marketing
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[0031] The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection / connection relationships involved in the patent do not simply refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the invention can be combined interactively on the premise of not conflictin...
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