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    • 9. 发明授权
    • Non-contact integrated circuit card
    • 非接触式集成电路卡
    • US5274221A
    • 1993-12-28
    • US22882
    • 1993-02-16
    • Toshiyuki Matsubara
    • Toshiyuki Matsubara
    • G06F1/32G06K19/07G06K19/077G06K7/08
    • G06K19/0705G06F1/3215G06F1/3281G06K19/0723G06K19/07749Y02B60/1264
    • A non-contact integrated card includes a data transmitting and receiving circuit, a data processing unit connected with the data transmitting and receiving circuit, a clock generating circuit for generating a clock signal and for supplying the clock signal to the data processing unit, a battery for supplying electrical energy to the data transmitting and receiving circuit, the data processing unit and the clock generating circuit, and a clock stopping circuit for stopping the generation of the clock signal by the clock generating circuit upon receipt of a clock stop signal from outside of the card. The inclusion of the clock stopping circuit which stops the generation of the clock signal in response to a clock stop signal input from an external circuit makes it possible to suspend the consumption of energy produced by the battery after testing, during shipping, and before use of the card.
    • 非接触集成卡包括数据发送和接收电路,与数据发送和接收电路连接的数据处理单元,用于产生时钟信号并将时钟信号提供给数据处理单元的时钟产生电路,电池 用于向数据发送和接收电路,数据处理单元和时钟发生电路提供电能,以及时钟停止电路,用于在从时钟产生电路的外部接收到时钟停止信号时停止由时钟产生电路产生时钟信号 卡片。 包含响应于从外部电路输入的时钟停止信号而产生时钟信号的时钟停止电路使得可以在测试之后,在运输期间和在使用之前,暂停由电池产生的能量的消耗 卡片。