NFC that provides store location within a building store

摘要

Technical Field: The present invention relates to NFC The challenge to be solved: It has a purpose for NFC to provide store location within a building store. Means to solve the problem: The idea is a smart device equipped with an NFC module, NFC tag at the entrance of a complex building, NFC tag at the entrance of individual stores, DB tag information, DB content information, DB coupon information is composed of Effect of invention: It has convenience, simplicity, and saving effect.