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by jackiege

根據Denso Wave公司的網站資料，QR碼是屬於開放式的標準，QR碼的規格公開，而由Denso Wave公司持有的專利權益，則不會被執行。国内也有QR code的研究者和爱好者，推荐一个blog：玩转QR码的Blog