Invention Grant
US08801516B2 Card reading device and card game fraud detection device 有权
读卡器和纸牌游戏欺诈检测装置

Card reading device and card game fraud detection device
Abstract:
A card used in a card game includes a code including at least two sets of code elements printed in UV-luminous ink on a surface of the card, the sets of code elements provided on one side of the surface of the card along a reading direction of a code reader.
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