Accurate method should be up after the hand, then quickly read card.
准确的办法应该是起完手牌后，再迅速阅读牌姿。
Method of calculation for the non-contact IC card chip coupling power supply and the read and write distance were analyzed, and the relative low-voltage circuit designs were introduced.
分析了非接触式IC卡芯片耦台电源及读写距离的计算方法，并简要介绍了相关低压电路的设计技术。
Method of calculation for the non-contact IC card chip coupling power supply and the read and write distance were analyzed, and the relative low-voltage circuit designs were introduced.
分析了非接触式IC卡芯片耦台电源及读写距离的计算方法，并简要介绍了相关低压电路的设计技术。
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